├── .gitignore ├── LICENSE.txt ├── README.md ├── build.gradle ├── demo ├── .gitignore ├── build.gradle └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── net │ │ └── cachapa │ │ └── bottomnavigationdemo │ │ ├── MainActivity.java │ │ └── PlaceholderFragment.java │ └── res │ ├── anim │ ├── fade_out.xml │ └── slide_in_bottom.xml │ ├── drawable │ ├── menu_1.xml │ ├── menu_2.xml │ ├── menu_3.xml │ └── menu_4.xml │ ├── layout │ ├── main_activity.xml │ └── placeholder_fragment.xml │ ├── menu │ └── bottom_navigation.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-w820dp │ └── dimens.xml │ └── values │ ├── colors.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── images └── bottomnav.gif ├── lib ├── .gitignore ├── build.gradle └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── net │ │ └── cachapa │ │ └── bottomnavigation │ │ ├── BottomNavigationItemHolder.java │ │ ├── BottomNavigationView.java │ │ ├── Circle.java │ │ ├── ColorHelper.java │ │ └── DisplayHelper.java │ └── res │ ├── layout │ └── item.xml │ └── values │ └── attrs.xml └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Build folder 2 | build 3 | 4 | # Maven artifact 5 | maven 6 | 7 | # Android Studio local 8 | local.properties 9 | .gradle 10 | .idea 11 | *.iml 12 | 13 | # MacOS 14 | .DS_Store 15 | 16 | # Signing key 17 | *.jks 18 | 19 | # Helper scripts 20 | publish_jcenter.sh 21 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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The text should be enclosed in the appropriate 185 | comment syntax for the file format. We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # BottomNavigationView 2 | 3 | An implementation of the Material Design [Bottom Navigation Drawer](https://material.io/guidelines/components/bottom-navigation.html) for Android. 4 | 5 | ![simple](images/bottomnav.gif) 6 | 7 | For sake of simplicity, this library only implements a limited subset of the features described in the guidelines. Specifically: 8 | - Only the "shifting icons" with hidden labels mode is available 9 | - Fixed icons mode, intended for 3 or less items, isn't implemented 10 | - Tablet mode isn't implemented since it's hard to do in a single component without making a lot of assumptions 11 | - Exact element padding and sizing may be slightly different from the guideline dimensions 12 | 13 | The code is pretty compact since it offloads as much work as possible to the LinearLayout and Android Transitions API. 14 | 15 | ### Usage 16 | 17 | Currently the library isn't published anywhere. You'll have to import the project manually. 18 | 19 | Add `BottomNavigationView` as to the bottom of your layout: 20 | 21 | ``` xml 22 | 30 | ``` 31 | 32 | A full demo of the library is included with the project. 33 | 34 | ### License 35 | 36 | Copyright 2016 Daniel Cachapa. 37 | 38 | Licensed under the Apache License, Version 2.0 (the "License"); 39 | you may not use this file except in compliance with the License. 40 | You may obtain a copy of the License at 41 | 42 | http://www.apache.org/licenses/LICENSE-2.0 43 | 44 | Unless required by applicable law or agreed to in writing, software 45 | distributed under the License is distributed on an "AS IS" BASIS, 46 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 47 | See the License for the specific language governing permissions and 48 | limitations under the License. 49 | 50 | ### Footnotes 51 | 52 | Gifs were generated using the following script: https://gist.github.com/cachapa/aa829bfc717fc4f1d52c568d7ae8521e 53 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:2.2.3' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | jcenter() 18 | } 19 | } 20 | 21 | task clean(type: Delete) { 22 | delete rootProject.buildDir 23 | } 24 | -------------------------------------------------------------------------------- /demo/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /demo/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "25.0.2" 6 | 7 | defaultConfig { 8 | applicationId "net.cachapa.bottomnavigationdemo" 9 | minSdkVersion 14 10 | targetSdkVersion 25 11 | versionCode 1 12 | versionName "1.0" 13 | 14 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 15 | } 16 | 17 | dataBinding { 18 | enabled = true 19 | } 20 | } 21 | 22 | dependencies { 23 | compile project(':lib') 24 | 25 | compile 'com.android.support:appcompat-v7:25.2.0' 26 | } 27 | -------------------------------------------------------------------------------- /demo/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /demo/src/main/java/net/cachapa/bottomnavigationdemo/MainActivity.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigationdemo; 2 | 3 | import android.databinding.DataBindingUtil; 4 | import android.os.Bundle; 5 | import android.support.v4.app.Fragment; 6 | import android.support.v7.app.AppCompatActivity; 7 | import android.view.MenuItem; 8 | 9 | import net.cachapa.bottomnavigation.BottomNavigationView; 10 | import net.cachapa.bottomnavigationdemo.databinding.MainActivityBinding; 11 | 12 | public class MainActivity extends AppCompatActivity implements BottomNavigationView.OnMenuItemClickListener { 13 | public static final String CURRENT_FRAGMENT = "current_fragment"; 14 | 15 | @Override 16 | protected void onCreate(Bundle savedInstanceState) { 17 | super.onCreate(savedInstanceState); 18 | MainActivityBinding binding = DataBindingUtil.setContentView(this, R.layout.main_activity); 19 | 20 | binding.bottomNavigationView.setOnMenuItemClickListener(this); 21 | 22 | if (savedInstanceState == null) { 23 | String title = binding.bottomNavigationView.getSelectedItem().getTitle().toString(); 24 | showFragment(PlaceholderFragment.create(title)); 25 | } 26 | } 27 | 28 | @Override 29 | public void onMenuItemSelected(MenuItem item) { 30 | showFragment(PlaceholderFragment.create(item.getTitle().toString())); 31 | } 32 | 33 | @Override 34 | public void onMenuItemReselected() { 35 | PlaceholderFragment fragment = (PlaceholderFragment) getSupportFragmentManager().findFragmentByTag(CURRENT_FRAGMENT); 36 | fragment.onReselected(); 37 | } 38 | 39 | private void showFragment(Fragment fragment) { 40 | getSupportFragmentManager().beginTransaction() 41 | .setCustomAnimations(R.anim.slide_in_bottom, R.anim.fade_out) 42 | .replace(R.id.container, fragment, CURRENT_FRAGMENT) 43 | .commit(); 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /demo/src/main/java/net/cachapa/bottomnavigationdemo/PlaceholderFragment.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigationdemo; 2 | 3 | import android.databinding.DataBindingUtil; 4 | import android.os.Bundle; 5 | import android.support.annotation.Nullable; 6 | import android.support.v4.app.Fragment; 7 | import android.view.LayoutInflater; 8 | import android.view.View; 9 | import android.view.ViewGroup; 10 | import android.widget.Toast; 11 | 12 | import net.cachapa.bottomnavigationdemo.databinding.PlaceholderFragmentBinding; 13 | 14 | public class PlaceholderFragment extends Fragment { 15 | public static Fragment create(String title) { 16 | Bundle args = new Bundle(); 17 | args.putString("title", title); 18 | 19 | Fragment fragment = new PlaceholderFragment(); 20 | fragment.setArguments(args); 21 | return fragment; 22 | } 23 | 24 | @Nullable 25 | @Override 26 | public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { 27 | PlaceholderFragmentBinding binding = DataBindingUtil.inflate(inflater, R.layout.placeholder_fragment, container, false); 28 | 29 | String title = getArguments().getString("title"); 30 | binding.textView.setText(title); 31 | 32 | return binding.getRoot(); 33 | } 34 | 35 | public void onReselected() { 36 | Toast.makeText(getContext(), "Fragment reselected", Toast.LENGTH_SHORT).show(); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /demo/src/main/res/anim/fade_out.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /demo/src/main/res/anim/slide_in_bottom.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 10 | 11 | 14 | 15 | -------------------------------------------------------------------------------- /demo/src/main/res/drawable/menu_1.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | -------------------------------------------------------------------------------- /demo/src/main/res/drawable/menu_2.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | -------------------------------------------------------------------------------- /demo/src/main/res/drawable/menu_3.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | -------------------------------------------------------------------------------- /demo/src/main/res/drawable/menu_4.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | -------------------------------------------------------------------------------- /demo/src/main/res/layout/main_activity.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 11 | 16 | 17 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /demo/src/main/res/layout/placeholder_fragment.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /demo/src/main/res/menu/bottom_navigation.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 8 | 9 | 13 | 14 | 18 | 19 | 23 | 24 | -------------------------------------------------------------------------------- /demo/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/demo/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/demo/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/demo/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/demo/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/demo/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /demo/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | 8 | #485b62 9 | #0a8768 10 | #886c61 11 | #6b4945 12 | 13 | 14 | -------------------------------------------------------------------------------- /demo/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /demo/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | BottomNavigationView Demo 3 | 4 | -------------------------------------------------------------------------------- /demo/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | org.gradle.jvmargs=-Xmx1536m 13 | 14 | # When configured, Gradle will run in incubating parallel mode. 15 | # This option should only be used with decoupled projects. More details, visit 16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 17 | # org.gradle.parallel=true 18 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Dec 28 10:00:20 PST 2015 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip 7 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /images/bottomnav.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/cachapa/BottomNavigation/71b69e200e0907dcd18a19cab6d2f02e0ed868b4/images/bottomnav.gif -------------------------------------------------------------------------------- /lib/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /lib/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "25.0.2" 6 | 7 | defaultConfig { 8 | minSdkVersion 14 9 | targetSdkVersion 25 10 | versionCode 1 11 | versionName "1.0" 12 | 13 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 14 | } 15 | } 16 | 17 | dependencies { 18 | compile 'com.andkulikov:transitionseverywhere:1.7.0' 19 | compile 'com.android.support:appcompat-v7:25.2.0' 20 | } 21 | -------------------------------------------------------------------------------- /lib/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /lib/src/main/java/net/cachapa/bottomnavigation/BottomNavigationItemHolder.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigation; 2 | 3 | import android.view.LayoutInflater; 4 | import android.view.MenuItem; 5 | import android.view.ViewGroup; 6 | import android.widget.ImageView; 7 | import android.widget.TextView; 8 | 9 | import static android.view.View.GONE; 10 | import static android.view.View.VISIBLE; 11 | 12 | public class BottomNavigationItemHolder { 13 | private static final float SELECTED_ALPHA = 1f; 14 | private static final float DESELECTED_ALPHA = 0.6f; 15 | 16 | private MenuItem item; 17 | 18 | private ViewGroup rootView; 19 | private ViewGroup container; 20 | private TextView titleView; 21 | private ImageView iconView; 22 | 23 | BottomNavigationItemHolder(ViewGroup parent, MenuItem item) { 24 | this.item = item; 25 | 26 | rootView = (ViewGroup) LayoutInflater.from(parent.getContext()).inflate(R.layout.item, parent, false); 27 | container = (ViewGroup) rootView.findViewById(R.id.container); 28 | titleView = (TextView) rootView.findViewById(R.id.title); 29 | iconView = (ImageView) rootView.findViewById(R.id.icon); 30 | 31 | titleView.setText(item.getTitle()); 32 | iconView.setImageDrawable(item.getIcon()); 33 | } 34 | 35 | public MenuItem getIitem() { 36 | return item; 37 | } 38 | 39 | void setSelected(boolean selected) { 40 | titleView.setVisibility(selected ? VISIBLE : GONE); 41 | iconView.setAlpha(selected ? SELECTED_ALPHA : DESELECTED_ALPHA); 42 | } 43 | 44 | ViewGroup getRootView() { 45 | return rootView; 46 | } 47 | 48 | public ViewGroup getContainer() { 49 | return container; 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /lib/src/main/java/net/cachapa/bottomnavigation/BottomNavigationView.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigation; 2 | 3 | import android.animation.Animator; 4 | import android.animation.ObjectAnimator; 5 | import android.animation.ValueAnimator; 6 | import android.content.Context; 7 | import android.content.res.TypedArray; 8 | import android.graphics.Canvas; 9 | import android.graphics.Color; 10 | import android.graphics.Paint; 11 | import android.graphics.Rect; 12 | import android.os.Build; 13 | import android.os.Bundle; 14 | import android.os.Parcelable; 15 | import android.support.v4.view.animation.FastOutSlowInInterpolator; 16 | import android.util.AttributeSet; 17 | import android.view.MenuItem; 18 | import android.view.View; 19 | import android.view.ViewGroup; 20 | import android.view.animation.Interpolator; 21 | import android.widget.ImageView; 22 | import android.widget.LinearLayout; 23 | import android.widget.PopupMenu; 24 | 25 | import com.transitionseverywhere.ChangeBounds; 26 | import com.transitionseverywhere.Fade; 27 | import com.transitionseverywhere.Transition; 28 | import com.transitionseverywhere.TransitionManager; 29 | import com.transitionseverywhere.TransitionSet; 30 | import com.transitionseverywhere.TransitionValues; 31 | 32 | import java.util.ArrayList; 33 | import java.util.List; 34 | 35 | public class BottomNavigationView extends LinearLayout implements View.OnClickListener { 36 | private static final int MAX_WIDTH = 600; // DPs 37 | private static final int DURATION = 400; 38 | private static final int WEIGHT_DESELECTED = 2; 39 | private static final int WEIGHT_SELECTED = 3; 40 | 41 | private static final Interpolator INTERPOLATOR = new FastOutSlowInInterpolator(); 42 | 43 | private static final String SUPER_STATE = "super_state"; 44 | private static final String SELECTED = "selectedIndex"; 45 | 46 | private int selectedIndex; 47 | private List items; 48 | private OnMenuItemClickListener onMenuItemClickListener; 49 | 50 | private Rect insets = new Rect(); 51 | 52 | private Transition changeBounds; 53 | private TransitionSet visibility; 54 | 55 | private int[] colors; 56 | private ArrayList circles = new ArrayList<>(); 57 | private Paint paint; 58 | 59 | public BottomNavigationView(Context context, AttributeSet attrs) { 60 | super(context, attrs); 61 | 62 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { 63 | setElevation(DisplayHelper.dpToPx(context, 8)); 64 | } 65 | 66 | setWillNotDraw(false); 67 | paint = new Paint(Paint.ANTI_ALIAS_FLAG); 68 | paint.setStyle(Paint.Style.FILL); 69 | 70 | TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BottomNavigationView); 71 | int menuRes = a.getResourceId(R.styleable.BottomNavigationView_bnv_menu, 0); 72 | int colorListRes = a.getResourceId(R.styleable.BottomNavigationView_bnv_colors, 0); 73 | a.recycle(); 74 | 75 | // Load menu 76 | PopupMenu popupMenu = new PopupMenu(context, null); 77 | popupMenu.getMenuInflater().inflate(menuRes, popupMenu.getMenu()); 78 | items = new ArrayList<>(popupMenu.getMenu().size()); 79 | 80 | // Load color list 81 | if (!isInEditMode() && colorListRes != 0) { 82 | a = context.getResources().obtainTypedArray(colorListRes); 83 | colors = new int[a.length()]; 84 | for (int i = 0; i < a.length(); i++) { 85 | colors[i] = a.getColor(i, 0); 86 | } 87 | a.recycle(); 88 | } 89 | 90 | for (int i = 0; i < popupMenu.getMenu().size(); i++) { 91 | MenuItem menuItem = popupMenu.getMenu().getItem(i); 92 | 93 | BottomNavigationItemHolder item = new BottomNavigationItemHolder(this, menuItem); 94 | item.getRootView().setOnClickListener(this); 95 | 96 | items.add(item); 97 | addView(item.getRootView()); 98 | } 99 | 100 | changeBounds = new ChangeBounds() 101 | .setInterpolator(INTERPOLATOR) 102 | .setDuration(DURATION); 103 | 104 | visibility = new TransitionSet() 105 | .addTransition(new Alpha()) 106 | .addTransition(new Fade()) 107 | .setInterpolator(INTERPOLATOR) 108 | .setDuration(DURATION); 109 | 110 | updateSelectedItem(); 111 | } 112 | 113 | @Override 114 | protected Parcelable onSaveInstanceState() { 115 | Bundle state = new Bundle(); 116 | 117 | state.putParcelable(SUPER_STATE, super.onSaveInstanceState()); 118 | state.putInt(SELECTED, selectedIndex); 119 | 120 | return state; 121 | } 122 | 123 | @Override 124 | protected void onRestoreInstanceState(Parcelable state) { 125 | if (state instanceof Bundle) { 126 | Bundle bundle = (Bundle) state; 127 | state = bundle.getParcelable(SUPER_STATE); 128 | selectedIndex = bundle.getInt(SELECTED); 129 | updateSelectedItem(); 130 | } 131 | super.onRestoreInstanceState(state); 132 | } 133 | 134 | @Override 135 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 136 | int w = MeasureSpec.getSize(widthMeasureSpec) - insets.left - insets.right; 137 | 138 | float widthInDps = DisplayHelper.pxToDp(getContext(), w); 139 | int horizontalPadding = widthInDps > MAX_WIDTH 140 | ? (int) DisplayHelper.dpToPx(getContext(), (widthInDps - MAX_WIDTH) / 2) 141 | : 0; 142 | setPadding(horizontalPadding + insets.left, 0, horizontalPadding + insets.right, insets.bottom); 143 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); 144 | } 145 | 146 | @SuppressWarnings("deprecation") 147 | @Override 148 | protected boolean fitSystemWindows(Rect insets) { 149 | this.insets = insets; 150 | return true; 151 | } 152 | 153 | @Override 154 | protected void onDraw(Canvas canvas) { 155 | for (Circle circle : circles) { 156 | int x = circle.view.getLeft() + circle.view.getWidth() / 2; 157 | int y = circle.view.getHeight() / 2; 158 | 159 | if (circle.color != 0) { 160 | int radius = Math.max(x, getWidth() - x); 161 | radius *= 1.05f; // Slightly increase radius to reach the corners 162 | paint.setColor(circle.color); 163 | canvas.drawCircle(x, y, radius * circle.progress, paint); 164 | } 165 | 166 | // Show selected feedback 167 | paint.setColor(Color.WHITE); 168 | paint.setAlpha((int) ((1 - circle.progress) * 100)); 169 | canvas.drawCircle(x, y, circle.view.getWidth() / 2f * circle.progress, paint); 170 | paint.setAlpha(255); 171 | } 172 | } 173 | 174 | @Override 175 | public void onClick(View v) { 176 | setSelectedIndex(indexOfChild(v)); 177 | } 178 | 179 | private class CircleAnimatorListener implements Animator.AnimatorListener, ValueAnimator.AnimatorUpdateListener { 180 | private Circle circle; 181 | 182 | CircleAnimatorListener(View view, int color) { 183 | circle = new Circle(view, color, 0f); 184 | } 185 | 186 | @Override 187 | public void onAnimationStart(Animator animation) { 188 | circles.add(circle); 189 | } 190 | 191 | @Override 192 | public void onAnimationEnd(Animator animation) { 193 | circles.remove(circle); 194 | setBackgroundColor(circle.color); 195 | } 196 | 197 | @Override 198 | public void onAnimationCancel(Animator animation) { 199 | circles.remove(circle); 200 | } 201 | 202 | @Override 203 | public void onAnimationRepeat(Animator animation) { 204 | } 205 | 206 | @Override 207 | public void onAnimationUpdate(ValueAnimator animation) { 208 | circle.progress = animation.getAnimatedFraction(); 209 | invalidate(); 210 | } 211 | } 212 | 213 | public void setOnMenuItemClickListener(OnMenuItemClickListener onMenuItemClickListener) { 214 | this.onMenuItemClickListener = onMenuItemClickListener; 215 | } 216 | 217 | public void setSelectedIndex(int index) { 218 | CircleAnimatorListener listener = new CircleAnimatorListener(getChildAt(index), getColor(index)); 219 | ValueAnimator animator = ValueAnimator.ofFloat(0, 1).setDuration(DURATION); 220 | animator.setInterpolator(new FastOutSlowInInterpolator()); 221 | animator.addListener(listener); 222 | animator.addUpdateListener(listener); 223 | animator.start(); 224 | 225 | if (index == selectedIndex) { 226 | if (onMenuItemClickListener != null) { 227 | onMenuItemClickListener.onMenuItemReselected(); 228 | } 229 | return; 230 | } 231 | 232 | // Prepare to animate all item locations 233 | for (int i = 0; i < getChildCount(); i++) { 234 | BottomNavigationItemHolder item = items.get(i); 235 | 236 | // Animate changing bounds for all views 237 | TransitionManager.beginDelayedTransition(item.getRootView(), changeBounds); 238 | 239 | if (i == selectedIndex || i == index) { 240 | // Animate visibility changes for selected and deselected views 241 | TransitionManager.beginDelayedTransition(item.getContainer(), visibility); 242 | } 243 | } 244 | 245 | selectedIndex = index; 246 | updateSelectedItem(); 247 | 248 | if (onMenuItemClickListener != null) { 249 | onMenuItemClickListener.onMenuItemSelected(items.get(index).getIitem()); 250 | } 251 | } 252 | 253 | public int getSelectedIndex() { 254 | return selectedIndex; 255 | } 256 | 257 | public MenuItem getSelectedItem() { 258 | return items.get(selectedIndex).getIitem(); 259 | } 260 | 261 | @Override 262 | public void setBackgroundColor(int color) { 263 | if (color != 0) { 264 | super.setBackgroundColor(color); 265 | } 266 | } 267 | 268 | private void updateSelectedItem() { 269 | for (int i = 0; i < getChildCount(); i++) { 270 | BottomNavigationItemHolder item = items.get(i); 271 | item.setSelected(i == selectedIndex); 272 | ((LayoutParams) item.getRootView().getLayoutParams()).weight = i == selectedIndex ? WEIGHT_SELECTED : WEIGHT_DESELECTED; 273 | } 274 | 275 | if (circles.isEmpty()) { 276 | setBackgroundColor(getColor(selectedIndex)); 277 | } 278 | } 279 | 280 | private int getColor(int index) { 281 | return colors == null || colors.length < index ? 0 : colors[index]; 282 | } 283 | 284 | public interface OnMenuItemClickListener { 285 | void onMenuItemSelected(MenuItem item); 286 | 287 | void onMenuItemReselected(); 288 | } 289 | 290 | private class Alpha extends Transition { 291 | @Override 292 | public void captureStartValues(TransitionValues transitionValues) { 293 | captureValues(transitionValues); 294 | } 295 | 296 | @Override 297 | public void captureEndValues(TransitionValues transitionValues) { 298 | captureValues(transitionValues); 299 | } 300 | 301 | private void captureValues(TransitionValues transitionValues) { 302 | transitionValues.values.put("alpha", transitionValues.view.getAlpha()); 303 | } 304 | 305 | @Override 306 | public Animator createAnimator(ViewGroup sceneRoot, TransitionValues startValues, TransitionValues endValues) { 307 | if (startValues.view instanceof ImageView) { 308 | return ObjectAnimator.ofFloat(startValues.view, View.ALPHA, (float) startValues.values.get("alpha"), (float) endValues.values.get("alpha")); 309 | } 310 | return null; 311 | } 312 | } 313 | } 314 | -------------------------------------------------------------------------------- /lib/src/main/java/net/cachapa/bottomnavigation/Circle.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigation; 2 | 3 | import android.view.View; 4 | 5 | class Circle { 6 | View view; 7 | int color; 8 | float progress; 9 | 10 | Circle(View view, int color, float progress) { 11 | this.view = view; 12 | this.color = color; 13 | this.progress = progress; 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /lib/src/main/java/net/cachapa/bottomnavigation/ColorHelper.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigation; 2 | 3 | import android.graphics.Color; 4 | 5 | public class ColorHelper { 6 | /** 7 | * Lightens a color by a given ammount 8 | * 9 | * @param amount a value between 0 and 1 10 | */ 11 | public static int lightenColor(int color, float amount) { 12 | float[] hsv = new float[3]; 13 | Color.colorToHSV(color, hsv); 14 | 15 | hsv[2] = hsv[2] * (1 + amount); 16 | return Color.HSVToColor(hsv); 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /lib/src/main/java/net/cachapa/bottomnavigation/DisplayHelper.java: -------------------------------------------------------------------------------- 1 | package net.cachapa.bottomnavigation; 2 | 3 | import android.content.Context; 4 | 5 | public class DisplayHelper { 6 | public static float pxToDp(Context context, float px) { 7 | return px / context.getResources().getDisplayMetrics().density; 8 | } 9 | 10 | public static float dpToPx(Context context, float dp) { 11 | return dp * context.getResources().getDisplayMetrics().density; 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /lib/src/main/res/layout/item.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 13 | 14 | 18 | 19 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /lib/src/main/res/values/attrs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':lib', ':demo' 2 | --------------------------------------------------------------------------------