├── .gitignore ├── CONTRIB.md ├── CONTRIBUTING.md ├── LICENSE ├── README.md ├── app ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── example │ │ └── android │ │ └── mediaplayersample │ │ ├── MainActivity.java │ │ ├── MediaPlayerHolder.java │ │ ├── PlaybackInfoListener.java │ │ └── PlayerAdapter.java │ └── res │ ├── drawable │ └── web_hi_res_512.png │ ├── layout │ └── activity_main.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 │ ├── raw │ └── jazz_in_paris.mp3 │ └── values │ ├── colors.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── screenshots ├── screenshots.gif └── screenshots.png └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Intellij 24 | *.iml 25 | .idea/ 26 | 27 | # Mac Desktop Services 28 | .DS_Store 29 | /TODO.md 30 | -------------------------------------------------------------------------------- /CONTRIB.md: -------------------------------------------------------------------------------- 1 | # How to become a contributor and submit your own code 2 | 3 | ## Contributor License Agreements 4 | 5 | We'd love to accept your sample apps and patches! Before we can take them, we 6 | have to jump a couple of legal hurdles. 7 | 8 | Please fill out either the individual or corporate Contributor License Agreement (CLA). 9 | 10 | * If you are an individual writing original source code and you're sure you 11 | own the intellectual property, then you'll need to sign an [individual CLA] 12 | (https://developers.google.com/open-source/cla/individual). 13 | * If you work for a company that wants to allow you to contribute your work, 14 | then you'll need to sign a [corporate CLA] 15 | (https://developers.google.com/open-source/cla/corporate). 16 | 17 | Follow either of the two links above to access the appropriate CLA and 18 | instructions for how to sign and return it. Once we receive it, we'll be able to 19 | accept your pull requests. 20 | 21 | ## Contributing A Patch 22 | 23 | 1. Submit an issue describing your proposed change to the repo in question. 24 | 1. The repo owner will respond to your issue promptly. 25 | 1. If your proposed change is accepted, and you haven't already done so, sign a 26 | Contributor License Agreement (see details above). 27 | 1. Fork the desired repo, develop and test your code changes. 28 | 1. Ensure that your code adheres to the existing style in the sample to which 29 | you are contributing. Refer to the 30 | [Android Code Style Guide] 31 | (https://source.android.com/source/code-style.html) for the 32 | recommended coding standards for this organization. 33 | 1. Ensure that your code has an appropriate set of unit tests which all pass. 34 | 1. Submit a pull request. 35 | -------------------------------------------------------------------------------- /CONTRIBUTING.md: -------------------------------------------------------------------------------- 1 | # How to become a contributor and submit your own code 2 | 3 | ## Contributor License Agreements 4 | 5 | We'd love to accept your sample apps and patches! Before we can take them, we 6 | have to jump a couple of legal hurdles. 7 | 8 | Please fill out either the individual or corporate Contributor License Agreement (CLA). 9 | 10 | * If you are an individual writing original source code and you're sure you 11 | own the intellectual property, then you'll need to sign an [individual CLA] 12 | (https://cla.developers.google.com). 13 | * If you work for a company that wants to allow you to contribute your work, 14 | then you'll need to sign a [corporate CLA] 15 | (https://cla.developers.google.com). 16 | 17 | Follow either of the two links above to access the appropriate CLA and 18 | instructions for how to sign and return it. Once we receive it, we'll be able to 19 | accept your pull requests. 20 | 21 | ## Contributing A Patch 22 | 23 | 1. Submit an issue describing your proposed change to the repo in question. 24 | 1. The repo owner will respond to your issue promptly. 25 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2017 The Android Open Source Project 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Simple MediaPlayer Sample 2 | ========================= 3 | 4 | This sample has been deprecated/archived meaning it's read-only and it's no longer actively maintained (more details on archiving can be found [here][1]). 5 | 6 | For other related samples, check out the new [github.com/android/media-samples][2] repo. Thank you! 7 | 8 | [1]: https://help.github.com/en/articles/about-archiving-repositories 9 | [2]: https://github.com/android/media-samples 10 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | apply plugin: 'com.android.application' 18 | 19 | android { 20 | compileSdkVersion 25 21 | buildToolsVersion "25.0.3" 22 | defaultConfig { 23 | applicationId "com.example.android.mediaplayersample" 24 | minSdkVersion 25 25 | targetSdkVersion 25 26 | versionCode 1 27 | versionName "1.0" 28 | } 29 | buildTypes { 30 | release { 31 | minifyEnabled false 32 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 33 | } 34 | } 35 | } 36 | 37 | dependencies { 38 | compile fileTree(dir: 'libs', include: ['*.jar']) 39 | compile 'com.android.support:appcompat-v7:25.4.0' 40 | } 41 | -------------------------------------------------------------------------------- /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 /Users/nazmul/Library/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/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 20 | 21 | 28 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/mediaplayersample/MainActivity.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.mediaplayersample; 18 | 19 | import android.os.Bundle; 20 | import android.support.v7.app.AppCompatActivity; 21 | import android.util.Log; 22 | import android.view.View; 23 | import android.widget.Button; 24 | import android.widget.ScrollView; 25 | import android.widget.SeekBar; 26 | import android.widget.TextView; 27 | 28 | /** 29 | * Allows playback of a single MP3 file via the UI. It contains a {@link MediaPlayerHolder} 30 | * which implements the {@link PlayerAdapter} interface that the activity uses to control 31 | * audio playback. 32 | */ 33 | public final class MainActivity extends AppCompatActivity { 34 | 35 | public static final String TAG = "MainActivity"; 36 | public static final int MEDIA_RES_ID = R.raw.jazz_in_paris; 37 | 38 | private TextView mTextDebug; 39 | private SeekBar mSeekbarAudio; 40 | private ScrollView mScrollContainer; 41 | private PlayerAdapter mPlayerAdapter; 42 | private boolean mUserIsSeeking = false; 43 | 44 | @Override 45 | protected void onCreate(Bundle savedInstanceState) { 46 | super.onCreate(savedInstanceState); 47 | setContentView(R.layout.activity_main); 48 | initializeUI(); 49 | initializeSeekbar(); 50 | initializePlaybackController(); 51 | Log.d(TAG, "onCreate: finished"); 52 | } 53 | 54 | @Override 55 | protected void onStart() { 56 | super.onStart(); 57 | mPlayerAdapter.loadMedia(MEDIA_RES_ID); 58 | Log.d(TAG, "onStart: create MediaPlayer"); 59 | } 60 | 61 | @Override 62 | protected void onStop() { 63 | super.onStop(); 64 | if (isChangingConfigurations() && mPlayerAdapter.isPlaying()) { 65 | Log.d(TAG, "onStop: don't release MediaPlayer as screen is rotating & playing"); 66 | } else { 67 | mPlayerAdapter.release(); 68 | Log.d(TAG, "onStop: release MediaPlayer"); 69 | } 70 | } 71 | 72 | private void initializeUI() { 73 | mTextDebug = (TextView) findViewById(R.id.text_debug); 74 | Button mPlayButton = (Button) findViewById(R.id.button_play); 75 | Button mPauseButton = (Button) findViewById(R.id.button_pause); 76 | Button mResetButton = (Button) findViewById(R.id.button_reset); 77 | mSeekbarAudio = (SeekBar) findViewById(R.id.seekbar_audio); 78 | mScrollContainer = (ScrollView) findViewById(R.id.scroll_container); 79 | 80 | mPauseButton.setOnClickListener( 81 | new View.OnClickListener() { 82 | @Override 83 | public void onClick(View view) { 84 | mPlayerAdapter.pause(); 85 | } 86 | }); 87 | mPlayButton.setOnClickListener( 88 | new View.OnClickListener() { 89 | @Override 90 | public void onClick(View view) { 91 | mPlayerAdapter.play(); 92 | } 93 | }); 94 | mResetButton.setOnClickListener( 95 | new View.OnClickListener() { 96 | @Override 97 | public void onClick(View view) { 98 | mPlayerAdapter.reset(); 99 | } 100 | }); 101 | } 102 | 103 | private void initializePlaybackController() { 104 | MediaPlayerHolder mMediaPlayerHolder = new MediaPlayerHolder(this); 105 | Log.d(TAG, "initializePlaybackController: created MediaPlayerHolder"); 106 | mMediaPlayerHolder.setPlaybackInfoListener(new PlaybackListener()); 107 | mPlayerAdapter = mMediaPlayerHolder; 108 | Log.d(TAG, "initializePlaybackController: MediaPlayerHolder progress callback set"); 109 | } 110 | 111 | private void initializeSeekbar() { 112 | mSeekbarAudio.setOnSeekBarChangeListener( 113 | new SeekBar.OnSeekBarChangeListener() { 114 | int userSelectedPosition = 0; 115 | 116 | @Override 117 | public void onStartTrackingTouch(SeekBar seekBar) { 118 | mUserIsSeeking = true; 119 | } 120 | 121 | @Override 122 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 123 | if (fromUser) { 124 | userSelectedPosition = progress; 125 | } 126 | } 127 | 128 | @Override 129 | public void onStopTrackingTouch(SeekBar seekBar) { 130 | mUserIsSeeking = false; 131 | mPlayerAdapter.seekTo(userSelectedPosition); 132 | } 133 | }); 134 | } 135 | 136 | public class PlaybackListener extends PlaybackInfoListener { 137 | 138 | @Override 139 | public void onDurationChanged(int duration) { 140 | mSeekbarAudio.setMax(duration); 141 | Log.d(TAG, String.format("setPlaybackDuration: setMax(%d)", duration)); 142 | } 143 | 144 | @Override 145 | public void onPositionChanged(int position) { 146 | if (!mUserIsSeeking) { 147 | mSeekbarAudio.setProgress(position, true); 148 | Log.d(TAG, String.format("setPlaybackPosition: setProgress(%d)", position)); 149 | } 150 | } 151 | 152 | @Override 153 | public void onStateChanged(@State int state) { 154 | String stateToString = PlaybackInfoListener.convertStateToString(state); 155 | onLogUpdated(String.format("onStateChanged(%s)", stateToString)); 156 | } 157 | 158 | @Override 159 | public void onPlaybackCompleted() { 160 | } 161 | 162 | @Override 163 | public void onLogUpdated(String message) { 164 | if (mTextDebug != null) { 165 | mTextDebug.append(message); 166 | mTextDebug.append("\n"); 167 | // Moves the scrollContainer focus to the end. 168 | mScrollContainer.post( 169 | new Runnable() { 170 | @Override 171 | public void run() { 172 | mScrollContainer.fullScroll(ScrollView.FOCUS_DOWN); 173 | } 174 | }); 175 | } 176 | } 177 | } 178 | } -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/mediaplayersample/MediaPlayerHolder.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.mediaplayersample; 18 | 19 | import android.content.Context; 20 | import android.content.res.AssetFileDescriptor; 21 | import android.media.MediaPlayer; 22 | 23 | import java.util.concurrent.Executors; 24 | import java.util.concurrent.ScheduledExecutorService; 25 | import java.util.concurrent.TimeUnit; 26 | 27 | /** 28 | * Exposes the functionality of the {@link MediaPlayer} and implements the {@link PlayerAdapter} 29 | * so that {@link MainActivity} can control music playback. 30 | */ 31 | public final class MediaPlayerHolder implements PlayerAdapter { 32 | 33 | public static final int PLAYBACK_POSITION_REFRESH_INTERVAL_MS = 1000; 34 | 35 | private final Context mContext; 36 | private MediaPlayer mMediaPlayer; 37 | private int mResourceId; 38 | private PlaybackInfoListener mPlaybackInfoListener; 39 | private ScheduledExecutorService mExecutor; 40 | private Runnable mSeekbarPositionUpdateTask; 41 | 42 | public MediaPlayerHolder(Context context) { 43 | mContext = context.getApplicationContext(); 44 | } 45 | 46 | /** 47 | * Once the {@link MediaPlayer} is released, it can't be used again, and another one has to be 48 | * created. In the onStop() method of the {@link MainActivity} the {@link MediaPlayer} is 49 | * released. Then in the onStart() of the {@link MainActivity} a new {@link MediaPlayer} 50 | * object has to be created. That's why this method is private, and called by load(int) and 51 | * not the constructor. 52 | */ 53 | private void initializeMediaPlayer() { 54 | if (mMediaPlayer == null) { 55 | mMediaPlayer = new MediaPlayer(); 56 | mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { 57 | @Override 58 | public void onCompletion(MediaPlayer mediaPlayer) { 59 | stopUpdatingCallbackWithPosition(true); 60 | logToUI("MediaPlayer playback completed"); 61 | if (mPlaybackInfoListener != null) { 62 | mPlaybackInfoListener.onStateChanged(PlaybackInfoListener.State.COMPLETED); 63 | mPlaybackInfoListener.onPlaybackCompleted(); 64 | } 65 | } 66 | }); 67 | logToUI("mMediaPlayer = new MediaPlayer()"); 68 | } 69 | } 70 | 71 | public void setPlaybackInfoListener(PlaybackInfoListener listener) { 72 | mPlaybackInfoListener = listener; 73 | } 74 | 75 | // Implements PlaybackControl. 76 | @Override 77 | public void loadMedia(int resourceId) { 78 | mResourceId = resourceId; 79 | 80 | initializeMediaPlayer(); 81 | 82 | AssetFileDescriptor assetFileDescriptor = 83 | mContext.getResources().openRawResourceFd(mResourceId); 84 | try { 85 | logToUI("load() {1. setDataSource}"); 86 | mMediaPlayer.setDataSource(assetFileDescriptor); 87 | } catch (Exception e) { 88 | logToUI(e.toString()); 89 | } 90 | 91 | try { 92 | logToUI("load() {2. prepare}"); 93 | mMediaPlayer.prepare(); 94 | } catch (Exception e) { 95 | logToUI(e.toString()); 96 | } 97 | 98 | initializeProgressCallback(); 99 | logToUI("initializeProgressCallback()"); 100 | } 101 | 102 | @Override 103 | public void release() { 104 | if (mMediaPlayer != null) { 105 | logToUI("release() and mMediaPlayer = null"); 106 | mMediaPlayer.release(); 107 | mMediaPlayer = null; 108 | } 109 | } 110 | 111 | @Override 112 | public boolean isPlaying() { 113 | if (mMediaPlayer != null) { 114 | return mMediaPlayer.isPlaying(); 115 | } 116 | return false; 117 | } 118 | 119 | @Override 120 | public void play() { 121 | if (mMediaPlayer != null && !mMediaPlayer.isPlaying()) { 122 | logToUI(String.format("playbackStart() %s", 123 | mContext.getResources().getResourceEntryName(mResourceId))); 124 | mMediaPlayer.start(); 125 | if (mPlaybackInfoListener != null) { 126 | mPlaybackInfoListener.onStateChanged(PlaybackInfoListener.State.PLAYING); 127 | } 128 | startUpdatingCallbackWithPosition(); 129 | } 130 | } 131 | 132 | @Override 133 | public void reset() { 134 | if (mMediaPlayer != null) { 135 | logToUI("playbackReset()"); 136 | mMediaPlayer.reset(); 137 | loadMedia(mResourceId); 138 | if (mPlaybackInfoListener != null) { 139 | mPlaybackInfoListener.onStateChanged(PlaybackInfoListener.State.RESET); 140 | } 141 | stopUpdatingCallbackWithPosition(true); 142 | } 143 | } 144 | 145 | @Override 146 | public void pause() { 147 | if (mMediaPlayer != null && mMediaPlayer.isPlaying()) { 148 | mMediaPlayer.pause(); 149 | if (mPlaybackInfoListener != null) { 150 | mPlaybackInfoListener.onStateChanged(PlaybackInfoListener.State.PAUSED); 151 | } 152 | logToUI("playbackPause()"); 153 | } 154 | } 155 | 156 | @Override 157 | public void seekTo(int position) { 158 | if (mMediaPlayer != null) { 159 | logToUI(String.format("seekTo() %d ms", position)); 160 | mMediaPlayer.seekTo(position); 161 | } 162 | } 163 | 164 | /** 165 | * Syncs the mMediaPlayer position with mPlaybackProgressCallback via recurring task. 166 | */ 167 | private void startUpdatingCallbackWithPosition() { 168 | if (mExecutor == null) { 169 | mExecutor = Executors.newSingleThreadScheduledExecutor(); 170 | } 171 | if (mSeekbarPositionUpdateTask == null) { 172 | mSeekbarPositionUpdateTask = new Runnable() { 173 | @Override 174 | public void run() { 175 | updateProgressCallbackTask(); 176 | } 177 | }; 178 | } 179 | mExecutor.scheduleAtFixedRate( 180 | mSeekbarPositionUpdateTask, 181 | 0, 182 | PLAYBACK_POSITION_REFRESH_INTERVAL_MS, 183 | TimeUnit.MILLISECONDS 184 | ); 185 | } 186 | 187 | // Reports media playback position to mPlaybackProgressCallback. 188 | private void stopUpdatingCallbackWithPosition(boolean resetUIPlaybackPosition) { 189 | if (mExecutor != null) { 190 | mExecutor.shutdownNow(); 191 | mExecutor = null; 192 | mSeekbarPositionUpdateTask = null; 193 | if (resetUIPlaybackPosition && mPlaybackInfoListener != null) { 194 | mPlaybackInfoListener.onPositionChanged(0); 195 | } 196 | } 197 | } 198 | 199 | private void updateProgressCallbackTask() { 200 | if (mMediaPlayer != null && mMediaPlayer.isPlaying()) { 201 | int currentPosition = mMediaPlayer.getCurrentPosition(); 202 | if (mPlaybackInfoListener != null) { 203 | mPlaybackInfoListener.onPositionChanged(currentPosition); 204 | } 205 | } 206 | } 207 | 208 | @Override 209 | public void initializeProgressCallback() { 210 | final int duration = mMediaPlayer.getDuration(); 211 | if (mPlaybackInfoListener != null) { 212 | mPlaybackInfoListener.onDurationChanged(duration); 213 | mPlaybackInfoListener.onPositionChanged(0); 214 | logToUI(String.format("firing setPlaybackDuration(%d sec)", 215 | TimeUnit.MILLISECONDS.toSeconds(duration))); 216 | logToUI("firing setPlaybackPosition(0)"); 217 | } 218 | } 219 | 220 | private void logToUI(String message) { 221 | if (mPlaybackInfoListener != null) { 222 | mPlaybackInfoListener.onLogUpdated(message); 223 | } 224 | } 225 | 226 | } 227 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/mediaplayersample/PlaybackInfoListener.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.mediaplayersample; 18 | 19 | import android.support.annotation.IntDef; 20 | 21 | import java.lang.annotation.Retention; 22 | import java.lang.annotation.RetentionPolicy; 23 | 24 | /** 25 | * Allows {@link MediaPlayerHolder} to report media playback duration and progress updates to 26 | * the {@link MainActivity}. 27 | */ 28 | public abstract class PlaybackInfoListener { 29 | 30 | @IntDef({State.INVALID, State.PLAYING, State.PAUSED, State.RESET, State.COMPLETED}) 31 | @Retention(RetentionPolicy.SOURCE) 32 | @interface State { 33 | 34 | int INVALID = -1; 35 | int PLAYING = 0; 36 | int PAUSED = 1; 37 | int RESET = 2; 38 | int COMPLETED = 3; 39 | } 40 | 41 | public static String convertStateToString(@State int state) { 42 | String stateString; 43 | switch (state) { 44 | case State.COMPLETED: 45 | stateString = "COMPLETED"; 46 | break; 47 | case State.INVALID: 48 | stateString = "INVALID"; 49 | break; 50 | case State.PAUSED: 51 | stateString = "PAUSED"; 52 | break; 53 | case State.PLAYING: 54 | stateString = "PLAYING"; 55 | break; 56 | case State.RESET: 57 | stateString = "RESET"; 58 | break; 59 | default: 60 | stateString = "N/A"; 61 | } 62 | return stateString; 63 | } 64 | 65 | void onLogUpdated(String formattedMessage) { 66 | } 67 | 68 | void onDurationChanged(int duration) { 69 | } 70 | 71 | void onPositionChanged(int position) { 72 | } 73 | 74 | void onStateChanged(@State int state) { 75 | } 76 | 77 | void onPlaybackCompleted() { 78 | } 79 | } -------------------------------------------------------------------------------- /app/src/main/java/com/example/android/mediaplayersample/PlayerAdapter.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Google Inc. All rights reserved. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.example.android.mediaplayersample; 18 | 19 | /** 20 | * Allows {@link MainActivity} to control media playback of {@link MediaPlayerHolder}. 21 | */ 22 | public interface PlayerAdapter { 23 | 24 | void loadMedia(int resourceId); 25 | 26 | void release(); 27 | 28 | boolean isPlaying(); 29 | 30 | void play(); 31 | 32 | void reset(); 33 | 34 | void pause(); 35 | 36 | void initializeProgressCallback(); 37 | 38 | void seekTo(int position); 39 | } 40 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/web_hi_res_512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/android-SimpleMediaPlayer/b33953390d4240c803aab524835ca4e99a88ea85/app/src/main/res/drawable/web_hi_res_512.png -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 22 | 23 | 29 | 30 | 37 | 38 | 39 | 40 | 46 | 47 | 53 | 54 |