├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md ├── android ├── .gitignore ├── app │ ├── build.gradle │ └── src │ │ ├── debug │ │ └── AndroidManifest.xml │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── kotlin │ │ │ └── com │ │ │ │ └── example │ │ │ │ └── brol │ │ │ │ └── MainActivity.kt │ │ └── res │ │ │ ├── drawable-v21 │ │ │ └── launch_background.xml │ │ │ ├── drawable │ │ │ └── launch_background.xml │ │ │ ├── mipmap-hdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-mdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xhdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxhdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxxhdpi │ │ │ └── ic_launcher.png │ │ │ ├── values-night │ │ │ └── styles.xml │ │ │ └── values │ │ │ └── styles.xml │ │ └── profile │ │ └── AndroidManifest.xml ├── brol_android.iml ├── build.gradle ├── gradle.properties ├── gradle │ └── wrapper │ │ ├── gradle-wrapper.jar │ │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle ├── ios ├── .gitignore ├── Flutter │ ├── AppFrameworkInfo.plist │ ├── Debug.xcconfig │ ├── Release.xcconfig │ └── flutter_export_environment.sh ├── Runner.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ └── contents.xcworkspacedata │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ └── contents.xcworkspacedata └── Runner │ ├── AppDelegate.h │ ├── AppDelegate.m │ ├── Assets.xcassets │ ├── AppIcon.appiconset │ │ ├── Contents.json │ │ ├── Icon-App-1024x1024@1x.png │ │ ├── Icon-App-20x20@1x.png │ │ ├── Icon-App-20x20@2x.png │ │ ├── Icon-App-20x20@3x.png │ │ ├── Icon-App-29x29@1x.png │ │ ├── Icon-App-29x29@2x.png │ │ ├── Icon-App-29x29@3x.png │ │ ├── Icon-App-40x40@1x.png │ │ ├── Icon-App-40x40@2x.png │ │ ├── Icon-App-40x40@3x.png │ │ ├── Icon-App-60x60@2x.png │ │ ├── Icon-App-60x60@3x.png │ │ ├── Icon-App-76x76@1x.png │ │ ├── Icon-App-76x76@2x.png │ │ └── Icon-App-83.5x83.5@2x.png │ └── LaunchImage.imageset │ │ ├── Contents.json │ │ ├── LaunchImage.png │ │ ├── LaunchImage@2x.png │ │ ├── LaunchImage@3x.png │ │ └── README.md │ ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard │ ├── Info.plist │ └── main.m ├── lib ├── api │ └── tmdb_api.dart ├── blocs │ ├── application_bloc.dart │ ├── bloc_provider.dart │ ├── favorite_bloc.dart │ ├── favorite_movie_bloc.dart │ └── movie_catalog_bloc.dart ├── main.dart ├── models │ ├── movie_card.dart │ ├── movie_filters.dart │ ├── movie_genre.dart │ ├── movie_genres_list.dart │ └── movie_page_result.dart ├── pages │ ├── details.dart │ ├── favorites.dart │ ├── filters.dart │ ├── home.dart │ ├── list.dart │ └── list_one_page.dart └── widgets │ ├── favorite_button.dart │ ├── favorite_widget.dart │ ├── filters_summary.dart │ ├── movie_card_widget.dart │ ├── movie_details_container.dart │ └── movie_details_widget.dart ├── pubspec.lock └── pubspec.yaml /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | .dart_tool/ 3 | 4 | .packages 5 | .pub/ 6 | 7 | build/ 8 | 9 | .flutter-plugins 10 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Streams - BLoC - Reactive Programming 2 | 3 | Sample application to illustrate the article available on [didierboelens.com](https://www.didierboelens.com/2018/08/reactive-programming---streams---bloc/). 4 | 5 | This article is an introduction to the notions of **Streams**, **BLoC Pattern** and **Reactive Programming** in Flutter. 6 | 7 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion flutter.compileSdkVersion 30 | ndkVersion flutter.ndkVersion 31 | 32 | compileOptions { 33 | sourceCompatibility JavaVersion.VERSION_1_8 34 | targetCompatibility JavaVersion.VERSION_1_8 35 | } 36 | 37 | kotlinOptions { 38 | jvmTarget = '1.8' 39 | } 40 | 41 | sourceSets { 42 | main.java.srcDirs += 'src/main/kotlin' 43 | } 44 | 45 | defaultConfig { 46 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 47 | applicationId "com.example.brol" 48 | // You can update the following values to match your application needs. 49 | // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration. 50 | minSdkVersion flutter.minSdkVersion 51 | targetSdkVersion flutter.targetSdkVersion 52 | versionCode flutterVersionCode.toInteger() 53 | versionName flutterVersionName 54 | } 55 | 56 | buildTypes { 57 | release { 58 | // TODO: Add your own signing config for the release build. 59 | // Signing with the debug keys for now, so `flutter run --release` works. 60 | signingConfig signingConfigs.debug 61 | } 62 | } 63 | } 64 | 65 | flutter { 66 | source '../..' 67 | } 68 | 69 | dependencies { 70 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 71 | } 72 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /android/app/src/main/kotlin/com/example/brol/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.brol 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /android/brol_android.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.7.10' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:7.2.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | mavenCentral() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/boeledi/Streams-Block-Reactive-Programming-in-Flutter/553cf12672d02222ea6adeed298032a5ddda4d3e/android/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | zipStoreBase=GRADLE_USER_HOME 4 | zipStorePath=wrapper/dists 5 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip 6 | -------------------------------------------------------------------------------- /android/gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /android/gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /ios/.gitignore: -------------------------------------------------------------------------------- 1 | .idea/ 2 | .vagrant/ 3 | .sconsign.dblite 4 | .svn/ 5 | 6 | .DS_Store 7 | *.swp 8 | profile 9 | 10 | DerivedData/ 11 | build/ 12 | GeneratedPluginRegistrant.h 13 | GeneratedPluginRegistrant.m 14 | 15 | .generated/ 16 | 17 | *.pbxuser 18 | *.mode1v3 19 | *.mode2v3 20 | *.perspectivev3 21 | 22 | !default.pbxuser 23 | !default.mode1v3 24 | !default.mode2v3 25 | !default.perspectivev3 26 | 27 | xcuserdata 28 | 29 | *.moved-aside 30 | 31 | *.pyc 32 | *sync/ 33 | Icon? 34 | .tags* 35 | 36 | /Flutter/app.flx 37 | /Flutter/app.zip 38 | /Flutter/flutter_assets/ 39 | /Flutter/App.framework 40 | /Flutter/Flutter.framework 41 | /Flutter/Generated.xcconfig 42 | /ServiceDefinitions.json 43 | 44 | Pods/ 45 | .symlinks/ 46 | -------------------------------------------------------------------------------- /ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /ios/Flutter/flutter_export_environment.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # This is a generated file; do not edit or check into version control. 3 | export "FLUTTER_ROOT=d:\flutter" 4 | export "FLUTTER_APPLICATION_PATH=D:\Trash\Streams-Block-Reactive-Programming-in-Flutter" 5 | export "COCOAPODS_PARALLEL_CODE_SIGN=true" 6 | export "FLUTTER_TARGET=lib\main.dart" 7 | export "FLUTTER_BUILD_DIR=build" 8 | export "FLUTTER_BUILD_NAME=0.0.2" 9 | export "FLUTTER_BUILD_NUMBER=0.0.2" 10 | export "DART_OBFUSCATION=false" 11 | export "TRACK_WIDGET_CREATION=true" 12 | export "TREE_SHAKE_ICONS=false" 13 | export "PACKAGE_CONFIG=.dart_tool/package_config.json" 14 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; }; 11 | 2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */ = {isa = PBXBuildFile; fileRef = 2D5378251FAA1A9400D5DBA9 /* flutter_assets */; }; 12 | 3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; }; 13 | 3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; }; 14 | 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object */; 438 | } 439 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 31 | 32 | 33 | 34 | 40 | 41 | 42 | 43 | 44 | 45 | 56 | 58 | 64 | 65 | 66 | 67 | 68 | 69 | 75 | 77 | 83 | 84 | 85 | 86 | 88 | 89 | 92 | 93 | 94 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.h: -------------------------------------------------------------------------------- 1 | #import 2 | #import 3 | 4 | @interface AppDelegate : FlutterAppDelegate 5 | 6 | @end 7 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.m: -------------------------------------------------------------------------------- 1 | #include "AppDelegate.h" 2 | #include "GeneratedPluginRegistrant.h" 3 | 4 | @implementation AppDelegate 5 | 6 | - (BOOL)application:(UIApplication *)application 7 | didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 8 | [GeneratedPluginRegistrant registerWithRegistry:self]; 9 | // Override point for customization after application launch. 10 | return [super application:application didFinishLaunchingWithOptions:launchOptions]; 11 | } 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- 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| 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | movies_streams 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /ios/Runner/main.m: -------------------------------------------------------------------------------- 1 | #import 2 | #import 3 | #import "AppDelegate.h" 4 | 5 | int main(int argc, char* argv[]) { 6 | @autoreleasepool { 7 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /lib/api/tmdb_api.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:convert'; 3 | import 'dart:io'; 4 | 5 | import 'package:movies_streams/models/movie_genres_list.dart'; 6 | import 'package:movies_streams/models/movie_page_result.dart'; 7 | 8 | /// 9 | /// TMDB API 10 | /// 11 | /// To get an API key, it is FREE => go to "https://www.themoviedb.org/" 12 | /// 13 | 14 | class TmdbApi { 15 | static const String TMDB_API_KEY = "PUT YOUR KEY, HERE"; 16 | static const String baseUrl = 'api.themoviedb.org'; 17 | final String imageBaseUrl = 'http://image.tmdb.org/t/p/w185/'; 18 | final _httpClient = HttpClient(); 19 | 20 | /// 21 | /// Returns the list of movies/tv-show, based on criteria: 22 | /// [type]: movie or tv (show) 23 | /// [pageIndex]: page 24 | /// [minYear, maxYear]: release dates range 25 | /// [genre]: genre 26 | /// 27 | Future pagedList({ 28 | String type = "movie", 29 | int pageIndex = 1, 30 | int minYear = 2016, 31 | int maxYear = 2017, 32 | int genre = 28, 33 | }) async { 34 | var uri = Uri.https( 35 | baseUrl, 36 | '3/discover/$type', 37 | { 38 | 'api_key': TMDB_API_KEY, 39 | 'language': 'en-US', 40 | 'sort_by': 'popularity.desc', 41 | 'include_adult': 'false', 42 | 'include_video': 'false', 43 | 'page': '$pageIndex', 44 | 'release_date.gte': '$minYear', 45 | 'release_date.lte': '$maxYear', 46 | 'with_genres': '$genre', 47 | }, 48 | ); 49 | 50 | var response = await _getRequest(uri); 51 | MoviePageResult list = MoviePageResult.fromJSON(json.decode(response)); 52 | 53 | // Give some additional delay to simulate slow network 54 | await Future.delayed(const Duration(seconds: 1)); 55 | 56 | return list; 57 | } 58 | 59 | /// 60 | /// Returns the list of all genres 61 | /// 62 | Future movieGenres({String type = "movie"}) async { 63 | var uri = Uri.https( 64 | baseUrl, 65 | '3/genre/$type/list', 66 | { 67 | 'api_key': TMDB_API_KEY, 68 | 'language': 'en-US', 69 | }, 70 | ); 71 | 72 | var response = await _getRequest(uri); 73 | MovieGenresList list = MovieGenresList.fromJSON(json.decode(response)); 74 | 75 | return list; 76 | } 77 | 78 | /// 79 | /// Routine to invoke the TMDB Web Server to get answers 80 | /// 81 | Future _getRequest(Uri uri) async { 82 | var request = await _httpClient.getUrl(uri); 83 | var response = await request.close(); 84 | 85 | return response.transform(utf8.decoder).join(); 86 | } 87 | } 88 | 89 | TmdbApi api = TmdbApi(); 90 | -------------------------------------------------------------------------------- /lib/blocs/application_bloc.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:collection'; 3 | 4 | import 'package:movies_streams/api/tmdb_api.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/models/movie_genre.dart'; 7 | import 'package:movies_streams/models/movie_genres_list.dart'; 8 | 9 | class ApplicationBloc implements BlocBase { 10 | /// 11 | /// Synchronous Stream to handle the provision of the movie genres 12 | /// 13 | final StreamController?> _syncController = 14 | StreamController?>.broadcast(); 15 | Stream?> get outMovieGenres => _syncController.stream; 16 | 17 | /// 18 | final StreamController?> _cmdController = 19 | StreamController?>.broadcast(); 20 | StreamSink get getMovieGenres => _cmdController.sink; 21 | 22 | ApplicationBloc() { 23 | // Read all genres from Internet 24 | api.movieGenres().then((list) { 25 | _genresList = list; 26 | }); 27 | 28 | _cmdController.stream.listen((_) { 29 | _syncController.sink 30 | .add(UnmodifiableListView(_genresList?.genres ?? [])); 31 | }); 32 | } 33 | 34 | void dispose() { 35 | _syncController.close(); 36 | _cmdController.close(); 37 | } 38 | 39 | MovieGenresList? _genresList; 40 | } 41 | -------------------------------------------------------------------------------- /lib/blocs/bloc_provider.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | // Generic Interface for all BLoCs 4 | abstract class BlocBase { 5 | void dispose(); 6 | } 7 | 8 | // Generic BLoC provider 9 | class BlocProvider extends StatefulWidget { 10 | const BlocProvider({ 11 | super.key, 12 | required this.child, 13 | required this.bloc, 14 | }); 15 | 16 | final T bloc; 17 | final Widget child; 18 | 19 | @override 20 | State> createState() => _BlocProviderState(); 21 | 22 | static T? of(BuildContext context) { 23 | BlocProvider? provider = 24 | context.findAncestorWidgetOfExactType>(); 25 | return provider?.bloc; 26 | } 27 | } 28 | 29 | class _BlocProviderState extends State> { 30 | @override 31 | void dispose() { 32 | widget.bloc.dispose(); 33 | super.dispose(); 34 | } 35 | 36 | @override 37 | Widget build(BuildContext context) { 38 | return widget.child; 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /lib/blocs/favorite_bloc.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:collection'; 3 | 4 | import 'package:movies_streams/blocs/bloc_provider.dart'; 5 | import 'package:movies_streams/models/movie_card.dart'; 6 | import 'package:rxdart/rxdart.dart'; 7 | 8 | class FavoriteBloc implements BlocBase { 9 | /// 10 | /// Unique list of all favorite movies 11 | /// 12 | final Set _favorites = Set(); 13 | 14 | // ########## STREAMS ############## 15 | /// 16 | /// Interface that allows to add a new favorite movie 17 | /// 18 | final BehaviorSubject _favoriteAddController = 19 | BehaviorSubject(); 20 | Sink get inAddFavorite => _favoriteAddController.sink; 21 | 22 | /// 23 | /// Interface that allows to remove a movie from the list of favorites 24 | /// 25 | final BehaviorSubject _favoriteRemoveController = 26 | BehaviorSubject(); 27 | Sink get inRemoveFavorite => _favoriteRemoveController.sink; 28 | 29 | /// 30 | /// Interface that allows to get the total number of favorites 31 | /// 32 | final BehaviorSubject _favoriteTotalController = 33 | BehaviorSubject.seeded(0); 34 | Sink get _inTotalFavorites => _favoriteTotalController.sink; 35 | Stream get outTotalFavorites => _favoriteTotalController.stream; 36 | 37 | /// 38 | /// Interface that allows to get the list of all favorite movies 39 | /// 40 | final BehaviorSubject> _favoritesController = 41 | BehaviorSubject>.seeded([]); 42 | Sink> get _inFavorites => _favoritesController.sink; 43 | Stream> get outFavorites => _favoritesController.stream; 44 | 45 | /// 46 | /// Constructor 47 | /// 48 | FavoriteBloc() { 49 | _favoriteAddController.listen(_handleAddFavorite); 50 | _favoriteRemoveController.listen(_handleRemoveFavorite); 51 | } 52 | 53 | void dispose() { 54 | _favoriteAddController.close(); 55 | _favoriteRemoveController.close(); 56 | _favoriteTotalController.close(); 57 | _favoritesController.close(); 58 | } 59 | 60 | // ############# HANDLING ##################### 61 | 62 | void _handleAddFavorite(MovieCard movieCard) { 63 | // Add the movie to the list of favorite ones 64 | _favorites.add(movieCard); 65 | 66 | _notify(); 67 | } 68 | 69 | void _handleRemoveFavorite(MovieCard movieCard) { 70 | _favorites.remove(movieCard); 71 | 72 | _notify(); 73 | } 74 | 75 | void _notify() { 76 | // Send to whomever is interested... 77 | // The total number of favorites 78 | _inTotalFavorites.add(_favorites.length); 79 | 80 | // The new list of all favorite movies 81 | _inFavorites.add(UnmodifiableListView(_favorites)); 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /lib/blocs/favorite_movie_bloc.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:movies_streams/blocs/bloc_provider.dart'; 4 | import 'package:movies_streams/models/movie_card.dart'; 5 | import 'package:rxdart/rxdart.dart'; 6 | 7 | class FavoriteMovieBloc implements BlocBase { 8 | /// 9 | /// A stream only meant to return whether THIS movie is part of the favorites 10 | /// 11 | final BehaviorSubject _isFavoriteController = BehaviorSubject(); 12 | Stream get outIsFavorite => _isFavoriteController.stream; 13 | 14 | /// 15 | /// Stream of all the favorites 16 | /// 17 | final StreamController> _favoritesController = StreamController>(); 18 | Sink> get inFavorites => _favoritesController.sink; 19 | 20 | /// 21 | /// Constructor 22 | /// 23 | FavoriteMovieBloc(MovieCard movieCard){ 24 | // 25 | // We are listening to all favorites 26 | // 27 | _favoritesController.stream 28 | // but, we only consider the one that matches THIS one 29 | .map((list) => list.any((MovieCard item) => item.id == movieCard.id)) 30 | // if any, we notify that it is part of the Favorites 31 | .listen((isFavorite) => _isFavoriteController.add(isFavorite)); 32 | } 33 | 34 | void dispose(){ 35 | _favoritesController.close(); 36 | _isFavoriteController.close(); 37 | } 38 | } -------------------------------------------------------------------------------- /lib/blocs/movie_catalog_bloc.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:collection'; 3 | 4 | import 'package:movies_streams/api/tmdb_api.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/models/movie_card.dart'; 7 | import 'package:movies_streams/models/movie_filters.dart'; 8 | import 'package:movies_streams/models/movie_page_result.dart'; 9 | import 'package:rxdart/rxdart.dart'; 10 | 11 | class MovieCatalogBloc implements BlocBase { 12 | /// 13 | /// Max number of movies per fetched page 14 | /// 15 | final int _moviesPerPage = 20; 16 | 17 | /// 18 | /// Genre 19 | /// 20 | int _genre = 28; 21 | 22 | /// 23 | /// Release date min 24 | /// 25 | int _minReleaseDate = 2000; 26 | 27 | /// 28 | /// Release date max 29 | /// 30 | int _maxReleaseDate = 2005; 31 | 32 | /// 33 | /// Total number of movies in the catalog 34 | /// 35 | int _totalMovies = -1; 36 | 37 | /// 38 | /// List of all the movie pages that have been fetched from Internet. 39 | /// We use a [Map] to store them, so that we can identify the pageIndex 40 | /// more easily. 41 | /// 42 | final _fetchPages = {}; 43 | 44 | /// 45 | /// List of the pages, currently being fetched from Internet 46 | /// 47 | final _pagesBeingFetched = Set(); 48 | 49 | // ########## STREAMS ############## 50 | 51 | /// 52 | /// We are going to need the list of movies to be displayed 53 | /// 54 | final PublishSubject> _moviesController = 55 | PublishSubject>(); 56 | Sink> get _inMoviesList => _moviesController.sink; 57 | Stream> get outMoviesList => _moviesController.stream; 58 | 59 | /// 60 | /// Each time we need to render a MovieCard, we will pass its [index] 61 | /// so that, we will be able to check whether it has already been fetched 62 | /// If not, we will automatically fetch the page 63 | /// 64 | final PublishSubject _indexController = PublishSubject(); 65 | Sink get inMovieIndex => _indexController.sink; 66 | 67 | /// 68 | /// Let's put to the limits of the automation... 69 | /// Let's consider listeners interested in knowing if a modification 70 | /// has been applied to the filters and total of movies, fetched so far 71 | /// 72 | final BehaviorSubject _totalMoviesController = 73 | BehaviorSubject.seeded(0); 74 | final BehaviorSubject> _releaseDatesController = 75 | BehaviorSubject>.seeded([2000, 2005]); 76 | final BehaviorSubject _genreController = BehaviorSubject.seeded(28); 77 | Sink get _inTotalMovies => _totalMoviesController.sink; 78 | Stream get outTotalMovies => _totalMoviesController.stream; 79 | Sink> get _inReleaseDates => _releaseDatesController.sink; 80 | Stream> get outReleaseDates => _releaseDatesController.stream; 81 | Sink get _inGenre => _genreController.sink; 82 | Stream get outGenre => _genreController.stream; 83 | 84 | /// 85 | /// We also want to handle changes to the filters 86 | /// 87 | BehaviorSubject _filtersController = 88 | BehaviorSubject.seeded( 89 | MovieFilters(genre: 28, minReleaseDate: 2000, maxReleaseDate: 2005)); 90 | Sink get inFilters => _filtersController.sink; 91 | Stream get outFilters => _filtersController.stream; 92 | 93 | /// 94 | /// Constructor 95 | /// 96 | MovieCatalogBloc() { 97 | // 98 | // As said, each time we will have to render a MovieCard, the latter will send us 99 | // the [index] of the movie to render. If the latter has not yet been fetched 100 | // we will need to fetch the page from the Internet. 101 | // Therefore, we need to listen to such request in order to handle the request. 102 | // 103 | _indexController.stream 104 | // take some time before jumping into the request (there might be several ones in a row) 105 | .bufferTime(Duration(microseconds: 500)) 106 | // and, do not update where this is no need 107 | .where((batch) => batch.isNotEmpty) 108 | .listen(_handleIndexes); 109 | 110 | // 111 | // When filters are changed, we need to consider the changes 112 | // 113 | outFilters.listen(_handleFilters); 114 | } 115 | 116 | void dispose() { 117 | _moviesController.close(); 118 | _indexController.close(); 119 | _totalMoviesController.close(); 120 | _releaseDatesController.close(); 121 | _genreController.close(); 122 | _filtersController.close(); 123 | } 124 | 125 | // ############# HANDLING ##################### 126 | 127 | /// 128 | /// For each of the movie index(es), we need to check if the latter 129 | /// has already been fetched. As the user might scroll rapidly, this 130 | /// might end up with multiple pages (since a page contains max 20 movies) 131 | /// to be fetched from Internet. 132 | /// 133 | void _handleIndexes(List indexes) { 134 | // Iterate all the requested indexes and, 135 | // get the index of the page corresponding to the index 136 | indexes.forEach((int index) { 137 | final int pageIndex = 1 + ((index + 1) ~/ _moviesPerPage); 138 | 139 | // check if the page has already been fetched 140 | if (!_fetchPages.containsKey(pageIndex)) { 141 | // the page has NOT yet been fetched, so we need to 142 | // fetch it from Internet 143 | // (except if we are already currently fetching it) 144 | if (!_pagesBeingFetched.contains(pageIndex)) { 145 | // Remember that we are fetching it 146 | _pagesBeingFetched.add(pageIndex); 147 | // Fetch it 148 | api 149 | .pagedList( 150 | pageIndex: pageIndex, 151 | genre: _genre, 152 | minYear: _minReleaseDate, 153 | maxYear: _maxReleaseDate) 154 | .then((MoviePageResult fetchedPage) => 155 | _handleFetchedPage(fetchedPage, pageIndex)); 156 | } 157 | } 158 | }); 159 | } 160 | 161 | /// 162 | /// Once a page has been fetched from Internet, we need to 163 | /// 1) record it 164 | /// 2) notify everyone who might be interested in knowing it 165 | /// 166 | void _handleFetchedPage(MoviePageResult page, int pageIndex) { 167 | // Remember the page 168 | _fetchPages[pageIndex] = page; 169 | // Remove it from the ones being fetched 170 | _pagesBeingFetched.remove(pageIndex); 171 | 172 | // Notify anyone interested in getting access to the content 173 | // of all pages... however, we need to only return the pages 174 | // which respect the sequence (since MovieCard are in sequence) 175 | // therefore, we need to iterate through the pages that are 176 | // actually fetched and stop if there is a gap. 177 | List movies = []; 178 | List pageIndexes = _fetchPages.keys.toList(); 179 | pageIndexes.sort((a, b) => a.compareTo(b)); 180 | 181 | final int minPageIndex = pageIndexes[0]; 182 | final int maxPageIndex = pageIndexes[pageIndexes.length - 1]; 183 | 184 | // If the first page being fetched does not correspond to the first one, skip 185 | // and as soon as it will become available, it will be time to notify 186 | if (minPageIndex == 1) { 187 | for (int i = 1; i <= maxPageIndex; i++) { 188 | if (!_fetchPages.containsKey(i)) { 189 | // As soon as there is a hole, stop 190 | break; 191 | } 192 | // Add the list of fetched movies to the list 193 | movies.addAll(_fetchPages[i]!.movies); 194 | } 195 | } 196 | 197 | // Take the opportunity to remember the number of movies 198 | // and notify who might be interested in knowing it 199 | if (_totalMovies == -1) { 200 | _totalMovies = page.totalResults; 201 | _inTotalMovies.add(_totalMovies); 202 | } 203 | 204 | // Only notify when there are movies 205 | if (movies.length > 0) { 206 | _inMoviesList.add(UnmodifiableListView(movies)); 207 | } 208 | } 209 | 210 | /// 211 | /// We want to set new filters 212 | /// 213 | void _handleFilters(MovieFilters result) { 214 | // First, let's record the new filter information 215 | _minReleaseDate = result.minReleaseDate; 216 | _maxReleaseDate = result.maxReleaseDate; 217 | _genre = result.genre; 218 | 219 | // Then, we need to reset 220 | _totalMovies = -1; 221 | _fetchPages.clear(); 222 | _pagesBeingFetched.clear(); 223 | 224 | // Let's notify who needs to know 225 | _inGenre.add(_genre); 226 | _inReleaseDates.add([_minReleaseDate, _maxReleaseDate]); 227 | _inTotalMovies.add(0); 228 | 229 | // we need to tell about a change so that we pick another list of movies 230 | _inMoviesList.add([]); 231 | } 232 | } 233 | -------------------------------------------------------------------------------- /lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/blocs/application_bloc.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 7 | import 'package:movies_streams/pages/home.dart'; 8 | 9 | Future main() async { 10 | // debugPrintRebuildDirtyWidgets = true; 11 | return runApp( 12 | BlocProvider( 13 | bloc: ApplicationBloc(), 14 | child: BlocProvider( 15 | bloc: FavoriteBloc(), 16 | child: MyApp(), 17 | ), 18 | ) 19 | ); 20 | } 21 | 22 | class MyApp extends StatelessWidget { 23 | // This widget is the root of your application. 24 | @override 25 | Widget build(BuildContext context) { 26 | return MaterialApp( 27 | title: 'Movies', 28 | theme: ThemeData( 29 | primarySwatch: Colors.blue, 30 | ), 31 | home: HomePage(), 32 | ); 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /lib/models/movie_card.dart: -------------------------------------------------------------------------------- 1 | 2 | class MovieCard extends Object { 3 | final int id; 4 | final voteAverage; 5 | final String title; 6 | final String posterPath; 7 | final String overview; 8 | 9 | MovieCard(this.id, this.voteAverage, this.title, this.posterPath, this.overview); 10 | 11 | MovieCard.fromJSON(Map json) 12 | : id = json['id'], 13 | voteAverage = json['vote_average'], 14 | title = json['title'], 15 | posterPath = json['poster_path'], 16 | overview = json['overview']; 17 | 18 | @override 19 | bool operator==(dynamic other) => identical(this, other) || this.id == other.id; 20 | 21 | @override 22 | int get hashCode => id; 23 | } 24 | -------------------------------------------------------------------------------- /lib/models/movie_filters.dart: -------------------------------------------------------------------------------- 1 | class MovieFilters { 2 | MovieFilters({ 3 | required this.minReleaseDate, 4 | required this.maxReleaseDate, 5 | required this.genre, 6 | }); 7 | 8 | final int minReleaseDate; 9 | final int maxReleaseDate; 10 | final int genre; 11 | } 12 | -------------------------------------------------------------------------------- /lib/models/movie_genre.dart: -------------------------------------------------------------------------------- 1 | class MovieGenre { 2 | final String text; 3 | final int genre; 4 | 5 | MovieGenre(this.text, this.genre); 6 | 7 | MovieGenre.fromJSON(Map json) 8 | : genre = json["id"], 9 | text = json["name"]; 10 | } -------------------------------------------------------------------------------- /lib/models/movie_genres_list.dart: -------------------------------------------------------------------------------- 1 | import 'package:movies_streams/models/movie_genre.dart'; 2 | 3 | class MovieGenresList { 4 | List genres = []; 5 | 6 | MovieGenresList.fromJSON(Map json) 7 | : genres = (json["genres"] as List) 8 | .map((item) => MovieGenre.fromJSON(item)).toList(); 9 | 10 | // 11 | // Return the genre by its id 12 | // 13 | MovieGenre findById(int genre) => genres.firstWhere((g) => g.genre == genre); 14 | } -------------------------------------------------------------------------------- /lib/models/movie_page_result.dart: -------------------------------------------------------------------------------- 1 | import 'package:movies_streams/models/movie_card.dart'; 2 | 3 | class MoviePageResult { 4 | final int pageIndex; 5 | final int totalResults; 6 | final int totalPages; 7 | final List movies; 8 | 9 | MoviePageResult.fromJSON(Map json) 10 | : pageIndex = json['page'], 11 | totalResults = json['total_results'], 12 | totalPages = json['total_pages'], 13 | movies = (json['results'] as List) 14 | .map((json) => MovieCard.fromJSON(json)) 15 | .toList(); 16 | } 17 | -------------------------------------------------------------------------------- /lib/pages/details.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 4 | import 'package:movies_streams/models/movie_card.dart'; 5 | import 'package:movies_streams/widgets/movie_details_widget.dart'; 6 | 7 | class DetailsPage extends StatelessWidget { 8 | DetailsPage({ 9 | super.key, 10 | required this.data, 11 | }); 12 | 13 | final MovieCard data; 14 | 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(data.title), 20 | ), 21 | body: MovieDetailsWidget( 22 | movieCard: data, 23 | favoritesStream: BlocProvider.of(context)!.outFavorites, 24 | ), 25 | ); 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /lib/pages/favorites.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 4 | import 'package:movies_streams/models/movie_card.dart'; 5 | import 'package:movies_streams/widgets/favorite_widget.dart'; 6 | 7 | class FavoritesPage extends StatelessWidget { 8 | @override 9 | Widget build(BuildContext context) { 10 | final FavoriteBloc bloc = BlocProvider.of(context)!; 11 | return Scaffold( 12 | appBar: AppBar( 13 | title: Text('Favorites Page'), 14 | ), 15 | body: StreamBuilder( 16 | stream: bloc.outFavorites, 17 | // Display as many FavoriteWidgets 18 | builder: 19 | (BuildContext context, AsyncSnapshot> snapshot) { 20 | if (snapshot.hasData) { 21 | return ListView.builder( 22 | itemCount: snapshot.data!.length, 23 | itemBuilder: (BuildContext context, int index) { 24 | return FavoriteWidget( 25 | data: snapshot.data![index], 26 | ); 27 | }, 28 | ); 29 | } 30 | return Container(); 31 | }, 32 | ), 33 | ); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /lib/pages/filters.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/blocs/application_bloc.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/blocs/movie_catalog_bloc.dart'; 7 | import 'package:movies_streams/models/movie_filters.dart'; 8 | import 'package:movies_streams/models/movie_genre.dart'; 9 | 10 | typedef FiltersPageCallback(MovieFilters result); 11 | 12 | class FiltersPage extends StatefulWidget { 13 | FiltersPage({ 14 | super.key, 15 | }); 16 | 17 | @override 18 | FiltersPageState createState() => FiltersPageState(); 19 | } 20 | 21 | class FiltersPageState extends State { 22 | late ApplicationBloc _appBloc; 23 | late MovieCatalogBloc _movieBloc; 24 | late double _minReleaseDate; 25 | late double _maxReleaseDate; 26 | MovieGenre? _movieGenre; 27 | List? _genres; 28 | 29 | bool _isInit = false; 30 | 31 | @override 32 | void didChangeDependencies() { 33 | super.didChangeDependencies(); 34 | 35 | // As the context of not yet available at initState() level, 36 | // if not yet initialized, we get the list of all genres 37 | // and retrieve the currently selected one, as well as the 38 | // filter parameters 39 | if (_isInit == false) { 40 | _appBloc = BlocProvider.of(context)!; 41 | _movieBloc = BlocProvider.of(context)!; 42 | 43 | _getFilterParameters(); 44 | } 45 | } 46 | 47 | @override 48 | Widget build(BuildContext context) { 49 | return _isInit == false 50 | ? Container() 51 | : Scaffold( 52 | appBar: AppBar( 53 | leading: Container(), 54 | title: Text('Filters'), 55 | actions: [ 56 | IconButton( 57 | icon: const Icon(Icons.close), 58 | onPressed: () { 59 | Navigator.of(context).pop(); 60 | }, 61 | ), 62 | ], 63 | ), 64 | body: Padding( 65 | padding: const EdgeInsets.fromLTRB(10.0, 50.0, 10.0, 10.0), 66 | child: Column( 67 | mainAxisAlignment: MainAxisAlignment.start, 68 | crossAxisAlignment: CrossAxisAlignment.start, 69 | children: [ 70 | // Release dates range selector 71 | 72 | Text( 73 | 'Years:', 74 | style: TextStyle(decoration: TextDecoration.underline), 75 | ), 76 | Container( 77 | width: double.infinity, 78 | child: Row( 79 | children: [ 80 | Container( 81 | constraints: BoxConstraints( 82 | minWidth: 40.0, 83 | maxWidth: 40.0, 84 | ), 85 | child: Text('${_minReleaseDate.toStringAsFixed(0)}'), 86 | ), 87 | Expanded( 88 | child: RangeSlider( 89 | min: 2000.0, 90 | max: 2017.0, 91 | values: 92 | RangeValues(_minReleaseDate, _maxReleaseDate), 93 | divisions: 18, 94 | onChanged: (RangeValues? values) { 95 | if (mounted) { 96 | setState(() { 97 | _minReleaseDate = values!.start; 98 | _maxReleaseDate = values.end; 99 | }); 100 | } 101 | }, 102 | ), 103 | ), 104 | Container( 105 | constraints: BoxConstraints( 106 | minWidth: 40.0, 107 | maxWidth: 40.0, 108 | ), 109 | child: Text('${_maxReleaseDate.toStringAsFixed(0)}'), 110 | ), 111 | ], 112 | ), 113 | ), 114 | 115 | Divider(), 116 | 117 | // Genre Selector 118 | 119 | Row( 120 | mainAxisAlignment: MainAxisAlignment.start, 121 | children: [ 122 | Text('Genre:'), 123 | SizedBox(width: 24.0), 124 | DropdownButton( 125 | items: _genres?.map((MovieGenre movieGenre) { 126 | return DropdownMenuItem( 127 | value: movieGenre, 128 | child: Text(movieGenre.text), 129 | ); 130 | }).toList(), 131 | value: _movieGenre, 132 | onChanged: (MovieGenre? newMovieGenre) { 133 | _movieGenre = newMovieGenre!; 134 | if (mounted) { 135 | setState(() {}); 136 | } 137 | }, 138 | ), 139 | ], 140 | ), 141 | ], 142 | ), 143 | ), 144 | 145 | // Filters acceptance 146 | 147 | floatingActionButton: FloatingActionButton( 148 | child: const Icon(Icons.check), 149 | onPressed: () { 150 | // 151 | // When the user accepts the changes to the filters, 152 | // we need to send the new filters to the MovieCatalogBloc filters sink. 153 | // 154 | _movieBloc.inFilters.add(MovieFilters( 155 | minReleaseDate: _minReleaseDate.round(), 156 | maxReleaseDate: _maxReleaseDate.round(), 157 | genre: _movieGenre!.genre, 158 | )); 159 | 160 | // close the screen 161 | Navigator.of(context).pop(); 162 | }, 163 | ), 164 | ); 165 | } 166 | 167 | /// 168 | /// Very tricky. 169 | /// 170 | /// As we want to be 100% BLoC compliant, we need to retrieve 171 | /// everything from the BLoCs, using Streams... 172 | /// 173 | /// This is ugly but to be considered as a study case. 174 | /// 175 | void _getFilterParameters() { 176 | StreamSubscription? subscriptionMovieGenres; 177 | StreamSubscription? subscriptionFilters; 178 | 179 | subscriptionMovieGenres = 180 | _appBloc.outMovieGenres.listen((List? data) { 181 | _genres = data ?? []; 182 | 183 | subscriptionFilters = 184 | _movieBloc.outFilters.listen((MovieFilters filters) { 185 | _minReleaseDate = filters.minReleaseDate.toDouble(); 186 | _maxReleaseDate = filters.maxReleaseDate.toDouble(); 187 | _movieGenre = _genres!.firstWhere((g) => g.genre == filters.genre); 188 | 189 | // Simply to make sure the subscriptions are released 190 | subscriptionMovieGenres?.cancel(); 191 | subscriptionFilters?.cancel(); 192 | 193 | // Now that we have all parameters, we may build the actual page 194 | if (mounted) { 195 | setState(() { 196 | _isInit = true; 197 | }); 198 | } 199 | }); 200 | }); 201 | 202 | // Send a request to get the list of the movie genres via stream 203 | _appBloc.getMovieGenres.add(null); 204 | } 205 | } 206 | -------------------------------------------------------------------------------- /lib/pages/home.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/movie_catalog_bloc.dart'; 4 | import 'package:movies_streams/pages/list.dart'; 5 | import 'package:movies_streams/pages/list_one_page.dart'; 6 | import 'package:movies_streams/widgets/favorite_button.dart'; 7 | 8 | class HomePage extends StatelessWidget { 9 | @override 10 | Widget build(BuildContext context) { 11 | return Scaffold( 12 | appBar: AppBar(title: Text('My Movies')), 13 | body: Center( 14 | child: Column( 15 | mainAxisAlignment: MainAxisAlignment.spaceEvenly, 16 | children: [ 17 | ElevatedButton( 18 | child: Text('Movies List'), 19 | onPressed: () { 20 | _openPage(context); 21 | }, 22 | ), 23 | FavoriteButton( 24 | child: Text('Favorite Movies'), 25 | ), 26 | ElevatedButton( 27 | child: Text('One Page'), 28 | onPressed: () { 29 | _openOnePage(context); 30 | }, 31 | ), 32 | ], 33 | ), 34 | ), 35 | ); 36 | } 37 | 38 | void _openPage(BuildContext context) { 39 | Navigator.of(context) 40 | .push(MaterialPageRoute(builder: (BuildContext context) { 41 | return BlocProvider( 42 | bloc: MovieCatalogBloc(), 43 | child: ListPage(), 44 | ); 45 | })); 46 | } 47 | 48 | void _openOnePage(BuildContext context) { 49 | Navigator.of(context) 50 | .push(MaterialPageRoute(builder: (BuildContext context) { 51 | return BlocProvider( 52 | bloc: MovieCatalogBloc(), 53 | child: ListOnePage(), 54 | ); 55 | })); 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /lib/pages/list.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/blocs/bloc_provider.dart'; 5 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 6 | import 'package:movies_streams/blocs/movie_catalog_bloc.dart'; 7 | import 'package:movies_streams/models/movie_card.dart'; 8 | import 'package:movies_streams/pages/details.dart'; 9 | import 'package:movies_streams/pages/filters.dart'; 10 | import 'package:movies_streams/widgets/favorite_button.dart'; 11 | import 'package:movies_streams/widgets/filters_summary.dart'; 12 | import 'package:movies_streams/widgets/movie_card_widget.dart'; 13 | 14 | class ListPage extends StatelessWidget { 15 | final GlobalKey _scaffoldKey = GlobalKey(); 16 | 17 | @override 18 | Widget build(BuildContext context) { 19 | final MovieCatalogBloc movieBloc = 20 | BlocProvider.of(context)!; 21 | final FavoriteBloc favoriteBloc = BlocProvider.of(context)!; 22 | 23 | return Scaffold( 24 | key: _scaffoldKey, 25 | appBar: AppBar( 26 | title: Text('List Page'), 27 | actions: [ 28 | // Icon that gives direct access to the favorites 29 | // Also displays "real-time", the number of favorites 30 | FavoriteButton(child: const Icon(Icons.favorite)), 31 | // Icon to open the filters 32 | IconButton( 33 | icon: const Icon(Icons.more_horiz), 34 | onPressed: () { 35 | _scaffoldKey.currentState?.openEndDrawer(); 36 | }, 37 | ), 38 | ], 39 | ), 40 | body: Column( 41 | mainAxisAlignment: MainAxisAlignment.start, 42 | children: [ 43 | FiltersSummary(), 44 | Expanded( 45 | // Display an infinite GridView with the list of all movies in the catalog, 46 | // that meet the filters 47 | child: StreamBuilder>( 48 | stream: movieBloc.outMoviesList, 49 | builder: (BuildContext context, 50 | AsyncSnapshot> snapshot) { 51 | return GridView.builder( 52 | gridDelegate: SliverGridDelegateWithFixedCrossAxisCount( 53 | crossAxisCount: 2, 54 | childAspectRatio: 1.0, 55 | ), 56 | itemBuilder: (BuildContext context, int index) { 57 | return _buildMovieCard(context, movieBloc, index, 58 | snapshot.data, favoriteBloc.outFavorites); 59 | }, 60 | itemCount: 61 | (snapshot.data == null ? 0 : snapshot.data!.length) + 62 | 30, 63 | ); 64 | }), 65 | ), 66 | ], 67 | ), 68 | endDrawer: FiltersPage(), 69 | ); 70 | } 71 | 72 | Widget _buildMovieCard( 73 | BuildContext context, 74 | MovieCatalogBloc movieBloc, 75 | int index, 76 | List? movieCards, 77 | Stream> favoritesStream) { 78 | // Notify the MovieCatalogBloc that we are rendering the MovieCard[index] 79 | movieBloc.inMovieIndex.add(index); 80 | 81 | // Get the MovieCard data 82 | final MovieCard? movieCard = 83 | (movieCards != null && movieCards.length > index) 84 | ? movieCards[index] 85 | : null; 86 | 87 | if (movieCard == null) { 88 | return Center( 89 | child: CircularProgressIndicator(), 90 | ); 91 | } 92 | 93 | return MovieCardWidget( 94 | key: Key('movie_${movieCard.id}'), 95 | movieCard: movieCard, 96 | favoritesStream: favoritesStream, 97 | onPressed: () { 98 | Navigator.of(context) 99 | .push(MaterialPageRoute(builder: (BuildContext context) { 100 | return DetailsPage( 101 | data: movieCard, 102 | ); 103 | })); 104 | }); 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /lib/pages/list_one_page.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/blocs/bloc_provider.dart'; 5 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 6 | import 'package:movies_streams/blocs/movie_catalog_bloc.dart'; 7 | import 'package:movies_streams/models/movie_card.dart'; 8 | import 'package:movies_streams/pages/filters.dart'; 9 | import 'package:movies_streams/widgets/favorite_button.dart'; 10 | import 'package:movies_streams/widgets/filters_summary.dart'; 11 | import 'package:movies_streams/widgets/movie_card_widget.dart'; 12 | import 'package:movies_streams/widgets/movie_details_container.dart'; 13 | 14 | class ListOnePage extends StatelessWidget { 15 | final GlobalKey _scaffoldKey = GlobalKey(); 16 | final GlobalKey _movieDetailsKey = 17 | GlobalKey(); 18 | 19 | @override 20 | Widget build(BuildContext context) { 21 | final MovieCatalogBloc movieBloc = 22 | BlocProvider.of(context)!; 23 | final FavoriteBloc favoriteBloc = BlocProvider.of(context)!; 24 | 25 | return Scaffold( 26 | key: _scaffoldKey, 27 | appBar: AppBar( 28 | title: Text('List One Page'), 29 | actions: [ 30 | // Icon that gives direct access to the favorites 31 | // It also displays "real-time" the number of favorites 32 | FavoriteButton( 33 | child: const Icon(Icons.favorite), 34 | ), 35 | // Icon to open the filters 36 | IconButton( 37 | icon: const Icon(Icons.more_horiz), 38 | onPressed: () { 39 | _scaffoldKey.currentState?.openEndDrawer(); 40 | }, 41 | ), 42 | ], 43 | ), 44 | body: Column( 45 | mainAxisAlignment: MainAxisAlignment.start, 46 | children: [ 47 | // Displays the filters currently being defined 48 | FiltersSummary(), 49 | Container( 50 | height: 150.0, 51 | // Horizontal list of all movies in the catalog 52 | // based on the filters 53 | child: StreamBuilder>( 54 | stream: movieBloc.outMoviesList, 55 | builder: (BuildContext context, 56 | AsyncSnapshot> snapshot) { 57 | return ListView.builder( 58 | scrollDirection: Axis.horizontal, 59 | itemBuilder: (BuildContext context, int index) { 60 | return _buildMovieCard(movieBloc, index, snapshot.data!, 61 | favoriteBloc.outFavorites); 62 | }, 63 | itemCount: 64 | (snapshot.data == null ? 0 : snapshot.data!.length) + 65 | 30, 66 | ); 67 | }), 68 | ), 69 | Divider(), 70 | Expanded( 71 | child: Padding( 72 | padding: const EdgeInsets.all(10.0), 73 | // Container to show the details related to a movie, 74 | // selected by the user 75 | child: MovieDetailsContainer( 76 | key: _movieDetailsKey, 77 | ), 78 | ), 79 | ), 80 | ], 81 | ), 82 | endDrawer: FiltersPage(), 83 | ); 84 | } 85 | 86 | Widget _buildMovieCard(MovieCatalogBloc movieBloc, int index, 87 | List? movieCards, Stream> favoritesStream) { 88 | // Notify the MovieCatalogBloc that we are rendering the MovieCard[index] 89 | movieBloc.inMovieIndex.add(index); 90 | 91 | // Get the MovieCard data 92 | MovieCard? movieCard = (movieCards != null && movieCards.length > index) 93 | ? movieCards[index] 94 | : null; 95 | 96 | // If the movie card is not yet available, display a progress indicator 97 | if (movieCard == null) { 98 | return Center( 99 | child: CircularProgressIndicator(), 100 | ); 101 | } 102 | 103 | // Otherwise, display the movie card 104 | return SizedBox( 105 | width: 150.0, 106 | child: MovieCardWidget( 107 | key: Key('movie_${movieCard.id}'), 108 | movieCard: movieCard, 109 | favoritesStream: favoritesStream, 110 | noHero: true, 111 | onPressed: () { 112 | _movieDetailsKey.currentState?.movieCard = movieCard; 113 | }, 114 | ), 115 | ); 116 | } 117 | } 118 | -------------------------------------------------------------------------------- /lib/widgets/favorite_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 4 | import 'package:movies_streams/pages/favorites.dart'; 5 | 6 | class FavoriteButton extends StatelessWidget { 7 | FavoriteButton({ 8 | super.key, 9 | required this.child, 10 | }); 11 | 12 | final Widget child; 13 | 14 | @override 15 | Widget build(BuildContext context) { 16 | final FavoriteBloc bloc = BlocProvider.of(context)!; 17 | return ElevatedButton( 18 | onPressed: () { 19 | Navigator.of(context) 20 | .push(MaterialPageRoute(builder: (BuildContext context) { 21 | return FavoritesPage(); 22 | })); 23 | }, 24 | child: Stack( 25 | clipBehavior: Clip.none, 26 | children: [ 27 | child, 28 | Positioned( 29 | top: -12.0, 30 | right: -6.0, 31 | child: Material( 32 | type: MaterialType.circle, 33 | elevation: 2.0, 34 | color: Colors.red, 35 | child: Padding( 36 | padding: const EdgeInsets.all(5.0), 37 | child: StreamBuilder( 38 | stream: bloc.outTotalFavorites, 39 | initialData: 0, 40 | builder: (BuildContext context, AsyncSnapshot snapshot) { 41 | return Text( 42 | snapshot.data.toString(), 43 | style: TextStyle( 44 | fontSize: 13.0, 45 | color: Colors.white, 46 | fontWeight: FontWeight.bold, 47 | ), 48 | ); 49 | }, 50 | ), 51 | ), 52 | ), 53 | ), 54 | ], 55 | ), 56 | ); 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /lib/widgets/favorite_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/api/tmdb_api.dart'; 3 | import 'package:movies_streams/blocs/bloc_provider.dart'; 4 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 5 | import 'package:movies_streams/models/movie_card.dart'; 6 | 7 | class FavoriteWidget extends StatelessWidget { 8 | FavoriteWidget({ 9 | super.key, 10 | required this.data, 11 | }); 12 | 13 | final MovieCard data; 14 | 15 | @override 16 | Widget build(BuildContext context) { 17 | final FavoriteBloc bloc = BlocProvider.of(context)!; 18 | 19 | return Container( 20 | width: double.infinity, 21 | decoration: BoxDecoration( 22 | border: Border( 23 | bottom: BorderSide( 24 | width: 1.0, 25 | color: Colors.black54, 26 | ), 27 | ), 28 | ), 29 | child: ListTile( 30 | leading: Container( 31 | width: 100.0, 32 | height: 100.0, 33 | child: Image.network(api.imageBaseUrl + data.posterPath, 34 | fit: BoxFit.contain), 35 | ), 36 | title: Text(data.title), 37 | subtitle: Text(data.overview, style: TextStyle(fontSize: 10.0)), 38 | trailing: IconButton( 39 | icon: const Icon( 40 | Icons.close, 41 | color: Colors.red, 42 | ), 43 | onPressed: () { 44 | bloc.inRemoveFavorite.add(data); 45 | }, 46 | ), 47 | ), 48 | ); 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /lib/widgets/filters_summary.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/movie_catalog_bloc.dart'; 4 | 5 | class FiltersSummary extends StatelessWidget { 6 | FiltersSummary({ 7 | super.key, 8 | }); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | // final MovieGenre? genre = ApplicationProvider.of(context).genres.firstWhere((g) => g.genre == data.genre); 13 | final MovieCatalogBloc movieBloc = 14 | BlocProvider.of(context)!; 15 | 16 | return Container( 17 | width: double.infinity, 18 | height: 40.0, 19 | decoration: BoxDecoration( 20 | border: Border.all( 21 | color: Colors.black, 22 | width: 1.0, 23 | ), 24 | ), 25 | child: Row( 26 | mainAxisAlignment: MainAxisAlignment.spaceEvenly, 27 | children: [ 28 | StreamBuilder( 29 | stream: movieBloc.outGenre, 30 | builder: (BuildContext context, AsyncSnapshot snapshot) { 31 | return Text('Genre: ${snapshot.data}'); 32 | }, 33 | ), 34 | StreamBuilder>( 35 | stream: movieBloc.outReleaseDates, 36 | builder: (BuildContext context, AsyncSnapshot> snapshot) { 37 | if (snapshot.hasData) { 38 | return Text( 39 | 'Years: [${snapshot.data![0]} - ${snapshot.data![1]}]'); 40 | } 41 | return Container(); 42 | }, 43 | ), 44 | StreamBuilder( 45 | stream: movieBloc.outTotalMovies, 46 | builder: (BuildContext context, AsyncSnapshot snapshot) { 47 | return Text('Total: ${snapshot.data}'); 48 | }, 49 | ), 50 | ], 51 | ), 52 | ); 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /lib/widgets/movie_card_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/api/tmdb_api.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 7 | import 'package:movies_streams/blocs/favorite_movie_bloc.dart'; 8 | import 'package:movies_streams/models/movie_card.dart'; 9 | 10 | class MovieCardWidget extends StatefulWidget { 11 | MovieCardWidget({ 12 | super.key, 13 | required this.movieCard, 14 | required this.favoritesStream, 15 | required this.onPressed, 16 | this.noHero = false, 17 | }); 18 | 19 | final MovieCard movieCard; 20 | final VoidCallback onPressed; 21 | final Stream> favoritesStream; 22 | final bool noHero; 23 | 24 | @override 25 | MovieCardWidgetState createState() => MovieCardWidgetState(); 26 | } 27 | 28 | class MovieCardWidgetState extends State { 29 | late FavoriteMovieBloc _bloc; 30 | 31 | /// 32 | /// In order to determine whether this particular Movie is 33 | /// part of the list of favorites, we need to inject the stream 34 | /// that gives us the list of all favorites to THIS instance 35 | /// of the BLoC 36 | /// 37 | StreamSubscription? _subscription; 38 | 39 | @override 40 | void initState() { 41 | super.initState(); 42 | _createBloc(); 43 | } 44 | 45 | /// 46 | /// As Widgets can be changed by the framework at any time, 47 | /// we need to make sure that if this happens, we keep on 48 | /// listening to the stream that notifies us about favorites 49 | /// 50 | @override 51 | void didUpdateWidget(MovieCardWidget oldWidget) { 52 | super.didUpdateWidget(oldWidget); 53 | _disposeBloc(); 54 | _createBloc(); 55 | } 56 | 57 | @override 58 | void dispose() { 59 | _disposeBloc(); 60 | super.dispose(); 61 | } 62 | 63 | void _createBloc() { 64 | _bloc = FavoriteMovieBloc(widget.movieCard); 65 | 66 | // Simple pipe from the stream that lists all the favorites into 67 | // the BLoC that processes THIS particular movie 68 | _subscription = widget.favoritesStream.listen(_bloc.inFavorites.add); 69 | } 70 | 71 | void _disposeBloc() { 72 | _subscription?.cancel(); 73 | _bloc.dispose(); 74 | } 75 | 76 | @override 77 | Widget build(BuildContext context) { 78 | final FavoriteBloc bloc = BlocProvider.of(context)!; 79 | List children = [ 80 | ClipRect( 81 | clipper: _SquareClipper(), 82 | child: widget.noHero 83 | ? Image.network(api.imageBaseUrl + widget.movieCard.posterPath, 84 | fit: BoxFit.cover) 85 | : Hero( 86 | child: Image.network( 87 | api.imageBaseUrl + widget.movieCard.posterPath, 88 | fit: BoxFit.cover), 89 | tag: 'movie_${widget.movieCard.id}', 90 | ), 91 | ), 92 | Container( 93 | decoration: _buildGradientBackground(), 94 | padding: const EdgeInsets.only( 95 | bottom: 16.0, 96 | left: 16.0, 97 | right: 16.0, 98 | ), 99 | child: _buildTextualInfo(widget.movieCard), 100 | ), 101 | ]; 102 | 103 | // 104 | // If the movie is part of the favorites, put an icon to indicate it 105 | // A better way of doing this, would be to create a dedicated widget for this. 106 | // This would minimize the rebuild in case the icon would be toggled. 107 | // In this case, only the button would be rebuilt, not the whole movie card widget. 108 | // 109 | children.add( 110 | StreamBuilder( 111 | stream: _bloc.outIsFavorite, 112 | initialData: false, 113 | builder: (BuildContext context, AsyncSnapshot snapshot) { 114 | if (snapshot.data == true) { 115 | return Positioned( 116 | top: 0.0, 117 | right: 0.0, 118 | child: Container( 119 | decoration: BoxDecoration( 120 | color: Colors.white30, 121 | borderRadius: BorderRadius.circular(50.0), 122 | ), 123 | padding: const EdgeInsets.all(4.0), 124 | child: InkWell( 125 | child: const Icon( 126 | Icons.favorite, 127 | color: Colors.red, 128 | ), 129 | onTap: () { 130 | bloc.inRemoveFavorite.add(widget.movieCard); 131 | }, 132 | )), 133 | ); 134 | } 135 | return Container(); 136 | }), 137 | ); 138 | 139 | return InkWell( 140 | onTap: widget.onPressed, 141 | child: Card( 142 | child: Stack( 143 | fit: StackFit.expand, 144 | children: children, 145 | ), 146 | ), 147 | ); 148 | } 149 | 150 | BoxDecoration _buildGradientBackground() { 151 | return const BoxDecoration( 152 | gradient: LinearGradient( 153 | begin: Alignment.bottomCenter, 154 | end: Alignment.topCenter, 155 | stops: [0.0, 0.7, 0.7], 156 | colors: [ 157 | Colors.black, 158 | Colors.transparent, 159 | Colors.transparent, 160 | ], 161 | ), 162 | ); 163 | } 164 | 165 | Widget _buildTextualInfo(MovieCard movieCard) { 166 | return Column( 167 | mainAxisAlignment: MainAxisAlignment.end, 168 | crossAxisAlignment: CrossAxisAlignment.center, 169 | children: [ 170 | Text( 171 | movieCard.title, 172 | style: const TextStyle( 173 | fontWeight: FontWeight.w500, 174 | fontSize: 16.0, 175 | color: Colors.white, 176 | ), 177 | ), 178 | const SizedBox(height: 4.0), 179 | Text( 180 | movieCard.voteAverage.toString(), 181 | style: const TextStyle( 182 | fontSize: 12.0, 183 | color: Colors.white70, 184 | ), 185 | ), 186 | ], 187 | ); 188 | } 189 | } 190 | 191 | class _SquareClipper extends CustomClipper { 192 | @override 193 | Rect getClip(Size size) { 194 | return Rect.fromLTWH(0.0, 0.0, size.width, size.width); 195 | } 196 | 197 | @override 198 | bool shouldReclip(CustomClipper oldClipper) { 199 | return false; 200 | } 201 | } 202 | -------------------------------------------------------------------------------- /lib/widgets/movie_details_container.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:movies_streams/blocs/bloc_provider.dart'; 3 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 4 | import 'package:movies_streams/models/movie_card.dart'; 5 | import 'package:movies_streams/widgets/movie_details_widget.dart'; 6 | 7 | class MovieDetailsContainer extends StatefulWidget { 8 | MovieDetailsContainer({ 9 | super.key, 10 | }); 11 | 12 | @override 13 | MovieDetailsContainerState createState() => MovieDetailsContainerState(); 14 | } 15 | 16 | class MovieDetailsContainerState extends State { 17 | MovieCard? _movieCard; 18 | 19 | set movieCard(MovieCard newMovieCard) { 20 | if (mounted) { 21 | setState(() { 22 | _movieCard = newMovieCard; 23 | }); 24 | } 25 | } 26 | 27 | @override 28 | Widget build(BuildContext context) { 29 | return (_movieCard == null) 30 | ? Center( 31 | child: Text('Click on a movie to see the details...'), 32 | ) 33 | : MovieDetailsWidget( 34 | movieCard: _movieCard!, 35 | boxFit: BoxFit.contain, 36 | favoritesStream: 37 | BlocProvider.of(context)!.outFavorites, 38 | ); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /lib/widgets/movie_details_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:movies_streams/api/tmdb_api.dart'; 5 | import 'package:movies_streams/blocs/bloc_provider.dart'; 6 | import 'package:movies_streams/blocs/favorite_bloc.dart'; 7 | import 'package:movies_streams/blocs/favorite_movie_bloc.dart'; 8 | import 'package:movies_streams/models/movie_card.dart'; 9 | 10 | class MovieDetailsWidget extends StatefulWidget { 11 | MovieDetailsWidget({ 12 | super.key, 13 | required this.favoritesStream, 14 | required this.movieCard, 15 | this.boxFit = BoxFit.cover, 16 | }); 17 | 18 | final MovieCard movieCard; 19 | final BoxFit boxFit; 20 | final Stream> favoritesStream; 21 | 22 | @override 23 | _MovieDetailsWidgetState createState() => _MovieDetailsWidgetState(); 24 | } 25 | 26 | class _MovieDetailsWidgetState extends State { 27 | late FavoriteMovieBloc _bloc; 28 | 29 | /// 30 | /// In order to determine whether this particular Movie is 31 | /// part of the list of favorites, we need to inject the stream 32 | /// that gives us the list of all favorites to THIS instance 33 | /// of the BLoC 34 | /// 35 | StreamSubscription? _subscription; 36 | 37 | @override 38 | void initState() { 39 | super.initState(); 40 | _createBloc(); 41 | } 42 | 43 | /// 44 | /// As Widgets can be changed by the framework at any time, 45 | /// we need to make sure that if this happens, we keep on 46 | /// listening to the stream that notifies us about favorites 47 | /// 48 | @override 49 | void didUpdateWidget(MovieDetailsWidget oldWidget) { 50 | super.didUpdateWidget(oldWidget); 51 | _disposeBloc(); 52 | _createBloc(); 53 | } 54 | 55 | @override 56 | void dispose() { 57 | _disposeBloc(); 58 | super.dispose(); 59 | } 60 | 61 | void _createBloc() { 62 | _bloc = FavoriteMovieBloc(widget.movieCard); 63 | 64 | // Simple pipe from the stream that lists all the favorites into 65 | // the BLoC that processes THIS particular movie 66 | _subscription = widget.favoritesStream.listen(_bloc.inFavorites.add); 67 | } 68 | 69 | void _disposeBloc() { 70 | _subscription?.cancel(); 71 | _bloc.dispose(); 72 | } 73 | 74 | @override 75 | Widget build(BuildContext context) { 76 | final FavoriteBloc bloc = BlocProvider.of(context)!; 77 | 78 | return SingleChildScrollView( 79 | child: Column( 80 | mainAxisAlignment: MainAxisAlignment.start, 81 | children: [ 82 | AspectRatio( 83 | aspectRatio: 1.0, 84 | child: Stack( 85 | fit: StackFit.expand, 86 | children: [ 87 | Hero( 88 | child: Image.network( 89 | api.imageBaseUrl + widget.movieCard.posterPath, 90 | fit: widget.boxFit, 91 | ), 92 | tag: 'movie_${widget.movieCard.id}', 93 | ), 94 | StreamBuilder( 95 | stream: _bloc.outIsFavorite, 96 | initialData: false, 97 | builder: 98 | (BuildContext context, AsyncSnapshot snapshot) { 99 | return Positioned( 100 | top: 16.0, 101 | right: 16.0, 102 | child: InkWell( 103 | onTap: () { 104 | if (snapshot.data == true) { 105 | bloc.inRemoveFavorite.add(widget.movieCard); 106 | } else { 107 | bloc.inAddFavorite.add(widget.movieCard); 108 | } 109 | }, 110 | child: Container( 111 | decoration: BoxDecoration( 112 | color: Colors.black54, 113 | borderRadius: BorderRadius.circular(50.0), 114 | ), 115 | padding: const EdgeInsets.all(4.0), 116 | child: Icon( 117 | snapshot.data == true 118 | ? Icons.favorite 119 | : Icons.favorite_border, 120 | color: snapshot.data == true 121 | ? Colors.red 122 | : Colors.white, 123 | )), 124 | ), 125 | ); 126 | }, 127 | ), 128 | ], 129 | ), 130 | ), 131 | SizedBox(height: 6.0), 132 | Text('Vote average: ${widget.movieCard.voteAverage}', 133 | style: TextStyle( 134 | fontSize: 12.0, 135 | )), 136 | SizedBox(height: 4.0), 137 | Divider(), 138 | Container( 139 | padding: const EdgeInsets.fromLTRB(4.0, 4.0, 4.0, 8.0), 140 | child: Text(widget.movieCard.overview), 141 | ), 142 | ], 143 | ), 144 | ); 145 | } 146 | } 147 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | characters: 5 | dependency: transitive 6 | description: 7 | name: characters 8 | sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c 9 | url: "https://pub.dev" 10 | source: hosted 11 | version: "1.2.1" 12 | collection: 13 | dependency: transitive 14 | description: 15 | name: collection 16 | sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0 17 | url: "https://pub.dev" 18 | source: hosted 19 | version: "1.17.0" 20 | cupertino_icons: 21 | dependency: "direct main" 22 | description: 23 | name: cupertino_icons 24 | sha256: e35129dc44c9118cee2a5603506d823bab99c68393879edb440e0090d07586be 25 | url: "https://pub.dev" 26 | source: hosted 27 | version: "1.0.5" 28 | flutter: 29 | dependency: "direct main" 30 | description: flutter 31 | source: sdk 32 | version: "0.0.0" 33 | js: 34 | dependency: transitive 35 | description: 36 | name: js 37 | sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7" 38 | url: "https://pub.dev" 39 | source: hosted 40 | version: "0.6.5" 41 | material_color_utilities: 42 | dependency: transitive 43 | description: 44 | name: material_color_utilities 45 | sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724 46 | url: "https://pub.dev" 47 | source: hosted 48 | version: "0.2.0" 49 | meta: 50 | dependency: transitive 51 | description: 52 | name: meta 53 | sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42" 54 | url: "https://pub.dev" 55 | source: hosted 56 | version: "1.8.0" 57 | rxdart: 58 | dependency: "direct main" 59 | description: 60 | name: rxdart 61 | sha256: "0c7c0cedd93788d996e33041ffecda924cc54389199cde4e6a34b440f50044cb" 62 | url: "https://pub.dev" 63 | source: hosted 64 | version: "0.27.7" 65 | sky_engine: 66 | dependency: transitive 67 | description: flutter 68 | source: sdk 69 | version: "0.0.99" 70 | vector_math: 71 | dependency: transitive 72 | description: 73 | name: vector_math 74 | sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" 75 | url: "https://pub.dev" 76 | source: hosted 77 | version: "2.1.4" 78 | sdks: 79 | dart: ">=2.18.0 <3.0.0" 80 | flutter: ">=3.7.0" 81 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: movies_streams 2 | description: Project aimed at explaining Streams and BLoC. 3 | author: Didier Boelens 4 | version: 0.0.2 5 | 6 | environment: 7 | sdk: ">=2.18.0 <3.0.0" 8 | flutter: ">=3.7.0" 9 | 10 | dependencies: 11 | flutter: 12 | sdk: flutter 13 | 14 | cupertino_icons: 15 | rxdart: 16 | 17 | flutter: 18 | uses-material-design: true 19 | 20 | --------------------------------------------------------------------------------