├── .gitignore ├── .travis.yml ├── CONTRIBUTING.md ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── ch │ │ └── jiikuy │ │ └── velocitycalculator │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── ch │ │ │ └── jiikuy │ │ │ └── velocitycalculator │ │ │ ├── AboutActivity.java │ │ │ ├── CalculateActivity.java │ │ │ ├── CalibrationActivity.java │ │ │ ├── MainActivity.java │ │ │ └── ShowTranslationsActivity.java │ └── res │ │ ├── layout-land │ │ ├── activity_calculate.xml │ │ ├── activity_calibration.xml │ │ └── activity_main.xml │ │ ├── layout │ │ ├── activity_calculate.xml │ │ ├── activity_calibration.xml │ │ ├── activity_main.xml │ │ └── activity_show_translations.xml │ │ ├── menu │ │ └── main_menu.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-br │ │ └── strings.xml │ │ ├── values-de │ │ └── strings.xml │ │ ├── values-fr │ │ └── strings.xml │ │ ├── values-ja │ │ └── strings.xml │ │ └── values │ │ ├── colors.xml │ │ ├── keys.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── ch │ └── jiikuy │ └── velocitycalculator │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── icon ├── LauncherIcon.svg └── ic_launchernew.xcf └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | /.idea/ 7 | .DS_Store 8 | /build 9 | /captures 10 | .externalNativeBuild 11 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: android 2 | 3 | before_cache: 4 | - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock 5 | - rm -fr $HOME/.gradle/caches/*/plugin-resolution/ 6 | cache: 7 | directories: 8 | - $HOME/.gradle/caches/ 9 | - $HOME/.gradle/wrapper/ 10 | - $HOME/.android/build-cache 11 | 12 | 13 | install: 14 | - echo yes | sdkmanager "extras;m2repository;com;android;support;constraint;constraint-layout;1.0.2" 15 | - echo yes | sdkmanager "extras;m2repository;com;android;support;constraint;constraint-layout-solver;1.0.2" 16 | 17 | android: 18 | components: 19 | - tools 20 | - platform-tools 21 | - tools 22 | - build-tools-26.0.0 23 | - android-25 24 | jdk: 25 | - oraclejdk8 26 | 27 | env: 28 | global: 29 | - GRADLE_USER_HOME="${TRAVIS_BUILD_DIR}/gradle" # Change location for Gradle Wrapper and cache 30 | - TOOLS=${ANDROID_HOME}/tools # PATH order matters, exists more than one emulator script 31 | - PATH=${ANDROID_HOME}:${ANDROID_HOME}/emulator:${TOOLS}:${TOOLS}/bin:${ANDROID_HOME}/platform-tools:${PATH} 32 | 33 | script: ./gradlew build check 34 | -------------------------------------------------------------------------------- /CONTRIBUTING.md: -------------------------------------------------------------------------------- 1 | # Contributing 2 | There are various ways how you can contribute to this app. You can translate it or contribute to the source-code. I thank everyone for helping me. 3 | 4 | 5 | ## Translating the app: 6 | 7 | The translations for this app are hosted on [POEditor](https://www.poeditor.com/join/project/EIvRjgfGRO). You can create a free account there and help translating the app. 8 | 9 | 10 | ## Contributing to the source-code: 11 | 12 | The source-code for this app is hosted on this GitHub repo. It is written in Java. If you want to suggest a feature or report a problem, you can open a GitHub Issue or e-mail me [here](mailto:georg.rieger@eblcom.ch). Pull Requests are also welcome. 13 | 14 | -------------------------------------------------------------------------------- /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. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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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. 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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 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 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 | {project} Copyright (C) {year} {fullname} 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 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # VelocityCalculator [![Build Status](https://travis-ci.org/Jiikuy/VelocityCalculator.svg?branch=master)](https://travis-ci.org/Jiikuy/VelocityCalculator) 2 | Android app for calculating the speed of objects in videos. See the [wiki](https://github.com/Jiikuy/VelocityCalculator/wiki/) for more information. 3 | 4 | [Get it on F-Droid](https://f-droid.org/repository/browse/?fdid=ch.jiikuy.velocitycalculator) 5 | 6 | ## Contributing 7 | See [CONTRIBUTING.md](CONTRIBUTING.md). 8 | 9 | ## License 10 | This software is licensed under the terms of the [GNU General Public License](http://www.gnu.org/licenses/gpl-3.0.html). 11 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "26.0.0" 6 | defaultConfig { 7 | applicationId "ch.jiikuy.velocitycalculator" 8 | minSdkVersion 14 9 | targetSdkVersion 25 10 | versionCode 6 11 | versionName "1.3.1" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | productFlavors { 21 | } 22 | compileOptions { 23 | sourceCompatibility 1.7 24 | targetCompatibility 1.7 25 | } 26 | lintOptions { 27 | abortOnError false 28 | } 29 | } 30 | 31 | dependencies { 32 | compile fileTree(include: ['*.jar'], dir: 'libs') 33 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 34 | exclude group: 'com.android.support', module: 'support-annotations' 35 | }) 36 | 37 | compile('com.mikepenz:aboutlibraries:5.9.6@aar') { 38 | transitive = true 39 | } 40 | 41 | compile 'com.android.support:appcompat-v7:25.3.1' 42 | compile 'com.android.support.constraint:constraint-layout:1.0.2' 43 | compile 'com.github.daniel-stoneuk:material-about-library:2.1.0' 44 | compile 'com.mikepenz:iconics-core:2.8.9@aar' 45 | compile 'com.mikepenz:google-material-typeface:3.0.1.1.original@aar' 46 | compile 'com.mikepenz:community-material-typeface:1.9.32.2@aar' 47 | compile 'com.android.support:support-v4:25.3.1' 48 | testCompile 'junit:junit:4.12' 49 | } 50 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /home/familie/Android/Sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | 19 | # Uncomment this to preserve the line number information for 20 | # debugging stack traces. 21 | #-keepattributes SourceFile,LineNumberTable 22 | 23 | # If you keep the line number information, uncomment this to 24 | # hide the original source file name. 25 | #-renamesourcefileattribute SourceFile 26 | -------------------------------------------------------------------------------- /app/src/androidTest/java/ch/jiikuy/velocitycalculator/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("ch.jiikuy.velocitycalculator", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 8 | 9 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 25 | 28 | 29 | 32 | 35 | 36 | 40 | 43 | 44 | 45 | 48 | 49 | 50 | 51 | -------------------------------------------------------------------------------- /app/src/main/java/ch/jiikuy/velocitycalculator/AboutActivity.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | 3 | import android.content.Context; 4 | import android.content.Intent; 5 | import android.content.pm.PackageManager; 6 | import android.graphics.Color; 7 | import android.net.Uri; 8 | 9 | import com.danielstone.materialaboutlibrary.MaterialAboutActivity; 10 | import com.danielstone.materialaboutlibrary.items.MaterialAboutActionItem; 11 | import com.danielstone.materialaboutlibrary.items.MaterialAboutItemOnClickAction; 12 | import com.danielstone.materialaboutlibrary.items.MaterialAboutTitleItem; 13 | import com.danielstone.materialaboutlibrary.model.MaterialAboutCard; 14 | import com.danielstone.materialaboutlibrary.model.MaterialAboutList; 15 | import com.danielstone.materialaboutlibrary.ConvenienceBuilder; 16 | import com.mikepenz.aboutlibraries.LibsBuilder; 17 | import com.mikepenz.community_material_typeface_library.CommunityMaterial; 18 | import com.mikepenz.google_material_typeface_library.GoogleMaterial; 19 | import com.mikepenz.iconics.IconicsDrawable; 20 | 21 | public class AboutActivity extends MaterialAboutActivity { 22 | 23 | @Override 24 | protected MaterialAboutList getMaterialAboutList(Context context) { 25 | // Build the cards 26 | MaterialAboutCard.Builder appCardBuilder = new MaterialAboutCard.Builder(); 27 | buildApp(this, appCardBuilder); 28 | 29 | MaterialAboutCard.Builder authorCardBuilder = new MaterialAboutCard.Builder(); 30 | buildAuthor(this, authorCardBuilder); 31 | 32 | MaterialAboutCard.Builder contributeCardBuilder = new MaterialAboutCard.Builder(); 33 | buildContribute(this, contributeCardBuilder); 34 | 35 | return new MaterialAboutList.Builder() 36 | .addCard(appCardBuilder.build()) 37 | .addCard(authorCardBuilder.build()) 38 | .addCard(contributeCardBuilder.build()) 39 | .build(); 40 | } 41 | 42 | @Override 43 | protected CharSequence getActivityTitle() { 44 | // Set activity title 45 | return getString(R.string.about); 46 | } 47 | 48 | 49 | 50 | private void buildApp(final Context context, MaterialAboutCard.Builder appCardBuilder) { 51 | appCardBuilder.addItem(new MaterialAboutTitleItem.Builder() 52 | .text(getString(R.string.app_name)) 53 | .icon(R.mipmap.ic_launcher) 54 | .build()); 55 | try { 56 | appCardBuilder.addItem(ConvenienceBuilder.createVersionActionItem(context, new IconicsDrawable(context) 57 | .icon(GoogleMaterial.Icon.gmd_info) 58 | .color(Color.GRAY) 59 | .sizeDp(18), getString(R.string.about_version), false)); 60 | } catch (PackageManager.NameNotFoundException e) { 61 | e.printStackTrace(); 62 | } 63 | 64 | appCardBuilder.addItem(new MaterialAboutActionItem.Builder() 65 | .text(getString(R.string.about_sourcecode)) 66 | .icon(new IconicsDrawable(context) 67 | .icon(CommunityMaterial.Icon.cmd_github_circle) 68 | .color(Color.GRAY) 69 | .sizeDp(18)) 70 | .setOnClickAction(ConvenienceBuilder.createWebsiteOnClickAction(context, Uri.parse("https://github.com/Jiikuy/VelocityCalculator"))) 71 | .build()) 72 | .addItem(new MaterialAboutActionItem.Builder() 73 | .text(getString(R.string.about_license)) 74 | .subText(getString(R.string.about_gpl)) 75 | .icon(new IconicsDrawable(context) 76 | .icon(GoogleMaterial.Icon.gmd_book) 77 | .color(Color.GRAY) 78 | .sizeDp(18)) 79 | .setOnClickAction(ConvenienceBuilder.createWebsiteOnClickAction(context, Uri.parse("https://www.gnu.org/licenses/gpl.html"))) 80 | .build()) 81 | .addItem(ConvenienceBuilder.createWebsiteActionItem(context, new IconicsDrawable(context) 82 | .icon(CommunityMaterial.Icon.cmd_book_open) 83 | .color(Color.GRAY) 84 | .sizeDp(18), getString(R.string.about_documentation), false, Uri.parse("https://github.com/Jiikuy/VelocityCalculator/wiki/"))) 85 | .addItem(new MaterialAboutActionItem.Builder() 86 | .text(getString(R.string.about_translations)) 87 | .icon(new IconicsDrawable(context) 88 | .icon(CommunityMaterial.Icon.cmd_translate) 89 | .color(Color.GRAY) 90 | .sizeDp(18)) 91 | .setOnClickAction(new MaterialAboutItemOnClickAction() { 92 | @Override 93 | public void onClick() { 94 | Intent intent = new Intent(AboutActivity.this, ShowTranslationsActivity.class); 95 | startActivity(intent); 96 | } 97 | }) 98 | .build()) 99 | .addItem(new MaterialAboutActionItem.Builder() 100 | .text(getString(R.string.about_opensourcelibs)) 101 | .icon(new IconicsDrawable(context) 102 | .icon(CommunityMaterial.Icon.cmd_git) 103 | .color(Color.GRAY) 104 | .sizeDp(18)) 105 | .setOnClickAction(new MaterialAboutItemOnClickAction() { 106 | @Override 107 | public void onClick() { 108 | LibsBuilder builder = new LibsBuilder(); 109 | builder.withActivityTheme(R.style.AboutLibrariesTheme) 110 | .withAboutVersionShown(false) 111 | .withAutoDetect(true) 112 | .withAboutIconShown(false) 113 | .start(context); 114 | } 115 | 116 | }) 117 | .build()); 118 | } 119 | 120 | private void buildAuthor(Context context, MaterialAboutCard.Builder authorCardBuilder) { 121 | authorCardBuilder.title(getString(R.string.about_author)) 122 | .addItem(new MaterialAboutActionItem.Builder() 123 | .text(getString(R.string.about_authorname)) 124 | .subText(getString(R.string.about_country)) 125 | .icon(new IconicsDrawable(context) 126 | .icon(GoogleMaterial.Icon.gmd_person) 127 | .color(Color.GRAY) 128 | .sizeDp(18)) 129 | .build()) 130 | .addItem(ConvenienceBuilder.createEmailItem(context, new IconicsDrawable(context) 131 | .icon(GoogleMaterial.Icon.gmd_email) 132 | .color(Color.GRAY) 133 | .sizeDp(18), getString(R.string.about_sendemail), true, getString(R.string.about_emailaddress), "")) 134 | .addItem(new MaterialAboutActionItem.Builder() 135 | .text(getString(R.string.about_github)) 136 | .subText(getString(R.string.about_githubusername)) 137 | .icon(new IconicsDrawable(context) 138 | .icon(CommunityMaterial.Icon.cmd_github_circle) 139 | .color(Color.GRAY) 140 | .sizeDp(18)) 141 | .setOnClickAction(ConvenienceBuilder.createWebsiteOnClickAction(context, Uri.parse("https://github.com/Jiikuy/") )) 142 | .build()); 143 | } 144 | 145 | private void buildContribute(Context context, MaterialAboutCard.Builder contributeCardBuilder) { 146 | contributeCardBuilder.title(getString(R.string.about_contribute)) 147 | .addItem(new MaterialAboutActionItem.Builder() 148 | .text(getString(R.string.about_reportissue)) 149 | .subText(getString(R.string.about_reportissuehere)) 150 | .icon(new IconicsDrawable(context) 151 | .icon(GoogleMaterial.Icon.gmd_bug_report) 152 | .color(Color.GRAY) 153 | .sizeDp(18)) 154 | .setOnClickAction(ConvenienceBuilder.createWebsiteOnClickAction(context, Uri.parse("https://github.com/Jiikuy/VelocityCalculator/issues"))) 155 | .build()) 156 | .addItem(new MaterialAboutActionItem.Builder() 157 | .text(getString(R.string.about_translate)) 158 | .subText(getString(R.string.about_translatehere)) 159 | .icon(new IconicsDrawable(context) 160 | .icon(GoogleMaterial.Icon.gmd_translate) 161 | .color(Color.GRAY) 162 | .sizeDp(18)) 163 | .setOnClickAction(ConvenienceBuilder.createWebsiteOnClickAction(context, Uri.parse("https://www.poeditor.com/join/project/EIvRjgfGRO"))) 164 | .build()); 165 | } 166 | 167 | } 168 | -------------------------------------------------------------------------------- /app/src/main/java/ch/jiikuy/velocitycalculator/CalculateActivity.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | import android.content.Intent; 3 | import android.graphics.Bitmap; 4 | import android.graphics.Canvas; 5 | import android.graphics.Color; 6 | import android.graphics.Matrix; 7 | import android.graphics.Paint; 8 | import android.media.MediaMetadataRetriever; 9 | import android.net.Uri; 10 | import android.support.v7.app.AlertDialog; 11 | import android.support.v7.app.AppCompatActivity; 12 | import android.os.Bundle; 13 | import android.view.MotionEvent; 14 | import android.view.View; 15 | import android.widget.EditText; 16 | import android.widget.ImageView; 17 | 18 | import java.text.DecimalFormat; 19 | import java.text.NumberFormat; 20 | import java.util.Locale; 21 | 22 | 23 | public class CalculateActivity extends AppCompatActivity { 24 | private int selections = 0; 25 | private final Double[] values = new Double[4]; 26 | private final Bitmap[] bms = new Bitmap[2]; 27 | private Bitmap bmOverlay; 28 | private ImageView imageView; 29 | private long endOfVideo = 0; 30 | @Override 31 | protected void onCreate(Bundle savedInstanceState) { 32 | super.onCreate(savedInstanceState); 33 | setContentView(R.layout.activity_calculate); 34 | 35 | // Get the URI of the video 36 | Intent intent = getIntent(); 37 | final Uri videoUri = intent.getParcelableExtra(getString(R.string.main_extra_video)); 38 | // Get the ImageView 39 | imageView = (ImageView) findViewById(R.id.imageView); 40 | final AlertDialog.Builder loadingDialogBuilder = new AlertDialog.Builder(this); 41 | // Show loading dialog 42 | loadingDialogBuilder.setMessage(getString(R.string.text_loading)) 43 | .setCancelable(false); 44 | final AlertDialog loadingDialog = loadingDialogBuilder.create(); 45 | loadingDialog.show(); 46 | Runnable runnable = new Runnable() { 47 | public void run() { 48 | // Construct MediaMetadataRetriever 49 | MediaMetadataRetriever retriever = new MediaMetadataRetriever(); 50 | try { 51 | // Get the first and the last frame of the video 52 | retriever.setDataSource(CalculateActivity.this, videoUri); 53 | bms[0] = retriever.getFrameAtTime(0, MediaMetadataRetriever.OPTION_CLOSEST); 54 | endOfVideo = Long.parseLong(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)) * 1000; 55 | bms[1] = retriever.getFrameAtTime(endOfVideo); 56 | while(bms[1] == null ) { 57 | bms[1] = retriever.getFrameAtTime(endOfVideo-=10000); 58 | } 59 | // Calculate Pixel/Centimeter from the calibration width and calibration distance 60 | CalibrationActivity.PX_PER_CM = Double.parseDouble(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH)) / CalibrationActivity.calibrationWidth * CalibrationActivity.calibrationDistance; 61 | retriever.release(); 62 | runOnUiThread(new Runnable() { 63 | @Override 64 | public void run() { 65 | loadingDialog.cancel(); 66 | imageView.requestFocus(); 67 | // Overlay first and last frame 68 | overlay(bms[0], bms [1]); 69 | // Set the ImageView 70 | imageView.setImageBitmap(bmOverlay); 71 | // Set the listener of the ImageView 72 | imageView.setOnTouchListener(new View.OnTouchListener() { 73 | @Override 74 | public boolean onTouch(View v, MotionEvent event) { 75 | double bmWidth = bms[0].getWidth(); 76 | double imWidth = imageView.getWidth(); 77 | double width = bmWidth / imWidth; 78 | if (selections < 2 && event.getAction() == MotionEvent.ACTION_DOWN) { 79 | selections++; 80 | if (selections == 1) { 81 | values[0] = event.getX() * width; 82 | values[1] = event.getY() * width; 83 | } else if (selections == 2) { 84 | values[2] = event.getX() * width; 85 | values[3] = event.getY() * width; 86 | } 87 | Canvas canvas = new Canvas(bmOverlay); 88 | // Draw red point 89 | Paint paint = new Paint(); 90 | paint.setColor(Color.RED); 91 | canvas.drawCircle(event.getX() * (float)width, event.getY() * (float)width, 15, paint); 92 | imageView.setImageBitmap(bmOverlay); 93 | } 94 | return true; 95 | } 96 | }); 97 | } 98 | }); 99 | }catch(Exception e) { 100 | e.printStackTrace(); 101 | } 102 | } 103 | }; 104 | 105 | // Start Thread 106 | Thread loadImages = new Thread(runnable); 107 | loadImages.start(); 108 | } 109 | 110 | private void overlay(Bitmap bm1, Bitmap bm2) { 111 | // Combine bitmaps 112 | bmOverlay = Bitmap.createBitmap(bm1.getWidth(), bm1.getHeight(), bm1.getConfig()); 113 | Canvas canvas = new Canvas(bmOverlay); 114 | Paint paint = new Paint(); 115 | paint.setAlpha(128); 116 | canvas.drawBitmap(bm1, new Matrix(), null); 117 | canvas.drawBitmap(bm2, 0, 0, paint); 118 | } 119 | public void selectCoordinates(View view) { 120 | EditText distanceEditText = (EditText)findViewById(R.id.editText); 121 | try { 122 | if (selections == 2 && !distanceEditText.getText().toString().isEmpty()) { 123 | // Get distance on combined image in Pixels 124 | int distanceOnVideo = (int) Math.sqrt(Math.pow(values[0] - values[2], 2) + Math.pow(values[1] - values[3], 2)); 125 | // Calculate speed in m/s and format to three digits 126 | double speedMetersPerSecond = 1 / ((CalibrationActivity.PX_PER_CM / Double.parseDouble(distanceEditText.getText().toString())) / distanceOnVideo) / (endOfVideo / 1000000) / 100; 127 | DecimalFormat decimalFormat = (DecimalFormat) NumberFormat.getNumberInstance(Locale.ENGLISH); 128 | decimalFormat.applyPattern("0.000"); 129 | speedMetersPerSecond = Double.parseDouble(decimalFormat.format(speedMetersPerSecond)); 130 | double speedKilometersPerHour = Double.parseDouble(decimalFormat.format(speedMetersPerSecond * 3.6)); 131 | // Display speed in dialog 132 | AlertDialog.Builder distanceSelectDialogBuilder = new AlertDialog.Builder(this); 133 | distanceSelectDialogBuilder.setMessage(getString(R.string.text_speed) + ": " + speedMetersPerSecond + "m/s" + "\n" + speedKilometersPerHour + "km/h") 134 | .show(); 135 | 136 | } else { 137 | // Display alert 138 | AlertDialog.Builder infoDialogBuilder = new AlertDialog.Builder(this); 139 | infoDialogBuilder.setMessage(getString(R.string.text_notCompleted)) 140 | .show(); 141 | } 142 | } catch (NullPointerException e) { 143 | e.printStackTrace(); 144 | AlertDialog.Builder infoDialogBuilder = new AlertDialog.Builder(this); 145 | infoDialogBuilder.setMessage(getString(R.string.text_notCompleted)) 146 | .show(); 147 | } 148 | } 149 | 150 | } 151 | -------------------------------------------------------------------------------- /app/src/main/java/ch/jiikuy/velocitycalculator/CalibrationActivity.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | 3 | import android.content.DialogInterface; 4 | import android.content.SharedPreferences; 5 | import android.preference.PreferenceManager; 6 | import android.support.v7.app.AlertDialog; 7 | import android.support.v7.app.AppCompatActivity; 8 | import android.os.Bundle; 9 | import android.view.View; 10 | import android.widget.EditText; 11 | 12 | public class CalibrationActivity extends AppCompatActivity { 13 | static double calibrationWidth = 0; 14 | static double calibrationDistance = 0; 15 | static double PX_PER_CM = 0; 16 | 17 | @Override 18 | protected void onCreate(Bundle savedInstanceState) { 19 | super.onCreate(savedInstanceState); 20 | setContentView(R.layout.activity_calibration); 21 | } 22 | 23 | public void calibrate(View view) { 24 | // Show calibration screen 25 | EditText editText2 = (EditText)findViewById(R.id.editText2); 26 | EditText editText3 = (EditText)findViewById(R.id.editText3); 27 | SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); 28 | SharedPreferences.Editor editor = sharedPreferences.edit(); 29 | AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this); 30 | try { 31 | if (!editText2.getText().toString().isEmpty() && !editText3.getText().toString().isEmpty()) { 32 | // Save valuesget vid 33 | calibrationWidth = Double.parseDouble(editText2.getText().toString()); 34 | calibrationDistance = Double.parseDouble(editText3.getText().toString()); 35 | editor.putLong(getString(R.string.calibration_distance_key), Double.doubleToLongBits(calibrationDistance)); 36 | editor.putLong(getString(R.string.calibration_width_key), Double.doubleToLongBits(calibrationWidth)); 37 | editor.apply(); 38 | alertDialogBuilder.setMessage(getString(R.string.text_calibrationsuccess)) 39 | .setCancelable(false) 40 | .setPositiveButton(getString(android.R.string.ok), new DialogInterface.OnClickListener() { 41 | @Override 42 | public void onClick(DialogInterface dialog, int which) { 43 | finish(); 44 | } 45 | }) 46 | .show(); 47 | 48 | 49 | } else { 50 | alertDialogBuilder.setMessage(R.string.text_notCalibrated) 51 | .show(); 52 | 53 | } 54 | } catch (NullPointerException e) { 55 | e.printStackTrace(); 56 | alertDialogBuilder.setMessage(R.string.text_notCalibrated) 57 | .show(); 58 | } 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /app/src/main/java/ch/jiikuy/velocitycalculator/MainActivity.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | 3 | import android.content.DialogInterface; 4 | import android.content.Intent; 5 | import android.content.SharedPreferences; 6 | import android.net.Uri; 7 | import android.os.Build; 8 | import android.preference.PreferenceManager; 9 | import android.provider.MediaStore; 10 | import android.support.v7.app.AlertDialog; 11 | import android.support.v7.app.AppCompatActivity; 12 | import android.os.Bundle; 13 | import android.view.Menu; 14 | import android.view.MenuInflater; 15 | import android.view.MenuItem; 16 | import android.view.View; 17 | 18 | public class MainActivity extends AppCompatActivity { 19 | private static final int REQUEST_VIDEO_CAPTURE = 1; 20 | private static final int REQUEST_ViDEO_OPEN = 2; 21 | 22 | 23 | 24 | @Override 25 | protected void onCreate(Bundle savedInstanceState) { 26 | super.onCreate(savedInstanceState); 27 | setContentView(R.layout.activity_main); 28 | SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); 29 | // Get calibration values 30 | CalibrationActivity.calibrationDistance = Double.longBitsToDouble(sharedPreferences.getLong(getString(R.string.calibration_distance_key), 0)); 31 | CalibrationActivity.calibrationWidth = Double.longBitsToDouble(sharedPreferences.getLong(getString(R.string.calibration_width_key), 0)); 32 | if(CalibrationActivity.calibrationDistance == 0 && CalibrationActivity.calibrationWidth == 0) { 33 | // Show AlertDialog to calibrate app 34 | AlertDialog.Builder builder = new AlertDialog.Builder(this); 35 | builder.setCancelable(false) 36 | .setMessage(getString(R.string.text_calibrationneeded)) 37 | .setPositiveButton(getString(android.R.string.ok), new DialogInterface.OnClickListener() { 38 | @Override 39 | public void onClick(DialogInterface dialog, int which) { 40 | Intent intent = new Intent(MainActivity.this, CalibrationActivity.class); 41 | startActivity(intent); 42 | } 43 | }) 44 | .show(); 45 | } 46 | 47 | } 48 | 49 | @Override 50 | public boolean onCreateOptionsMenu(Menu menu) { 51 | // Show calibration ActionBar item 52 | MenuInflater menuInflater = getMenuInflater(); 53 | menuInflater.inflate(R.menu.main_menu, menu); 54 | return true; 55 | } 56 | 57 | @Override 58 | public boolean onOptionsItemSelected(MenuItem item) { 59 | // Start calibration activity 60 | int id = item.getItemId(); 61 | if(id == R.id.action_calibrate) { 62 | Intent intent = new Intent(this, CalibrationActivity.class); 63 | startActivity(intent); 64 | return true; 65 | }else if(id == R.id.action_about) { 66 | Intent intent = new Intent(this, AboutActivity.class); 67 | startActivity(intent); 68 | } 69 | return super.onOptionsItemSelected(item); 70 | } 71 | public void recordVideo(View view) { 72 | // Capture video 73 | Intent takeVideoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); 74 | if(takeVideoIntent.resolveActivity(getPackageManager()) != null) { 75 | startActivityForResult(takeVideoIntent, REQUEST_VIDEO_CAPTURE); 76 | } 77 | } 78 | 79 | public void openVideo(View view) { 80 | // Open video 81 | Intent openVideoIntent = new Intent(); 82 | openVideoIntent.setType("video/*"); 83 | if(Build.VERSION.SDK_INT >= 19) { 84 | openVideoIntent.addCategory(Intent.CATEGORY_OPENABLE); 85 | startActivityForResult(openVideoIntent, REQUEST_ViDEO_OPEN); 86 | }else { 87 | openVideoIntent.setAction(Intent.ACTION_PICK) 88 | .setData(MediaStore.Video.Media.EXTERNAL_CONTENT_URI); 89 | startActivityForResult(openVideoIntent, REQUEST_ViDEO_OPEN); 90 | } 91 | } 92 | 93 | @Override 94 | protected void onActivityResult(int requestCode, int resultCode, Intent resultData) { 95 | // Start CalculationActivity 96 | if(requestCode == REQUEST_VIDEO_CAPTURE && resultCode == RESULT_OK || requestCode == REQUEST_ViDEO_OPEN && resultCode == RESULT_OK) { 97 | Uri videoUri = null; 98 | if(resultData != null) { 99 | videoUri = resultData.getData(); 100 | } 101 | Intent calc = new Intent(this, CalculateActivity.class); 102 | calc.putExtra(getResources().getString(R.string.main_extra_video), videoUri); 103 | startActivity(calc); 104 | } 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /app/src/main/java/ch/jiikuy/velocitycalculator/ShowTranslationsActivity.java: -------------------------------------------------------------------------------- 1 | package ch.jiikuy.velocitycalculator; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.text.Html; 6 | import android.text.method.LinkMovementMethod; 7 | import android.widget.TextView; 8 | 9 | public class ShowTranslationsActivity extends AppCompatActivity { 10 | 11 | @Override 12 | protected void onCreate(Bundle savedInstanceState) { 13 | super.onCreate(savedInstanceState); 14 | setContentView(R.layout.activity_show_translations); 15 | try { 16 | getSupportActionBar().setTitle(getString(R.string.about_translations)); 17 | }catch(NullPointerException e) { 18 | e.printStackTrace(); 19 | } 20 | TextView textView = (TextView)findViewById(R.id.textView2); 21 | textView.setMovementMethod(LinkMovementMethod.getInstance()); 22 | textView.setText(Html.fromHtml(getString(R.string.html_translations))); 23 | 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /app/src/main/res/layout-land/activity_calculate.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 25 | 26 |