Java tutorial
/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.hang.exoplayer; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.Service; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.media.AudioManager; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.support.annotation.Nullable; import android.support.v4.app.FragmentActivity; import android.support.v4.app.NotificationCompat; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import android.widget.RemoteViews; import android.widget.Toast; import com.google.android.exoplayer.demo.R; import com.google.android.exoplayer.demo.Samples; import com.google.android.exoplayer.demo.player.ExoApplication; import com.google.android.exoplayer.demo.player.SimplePlayer; import com.google.android.exoplayer.util.Util; import java.util.ArrayList; import java.util.List; /** * An activity for selecting from a number of samples. */ public class PlayService extends Service { public static final String KEY_LIST = "play list"; public static final String ACTION_PLAY_PAUSE = "action play pause"; public static final String ACTION_LOAD = "action load"; public static final String ACTION_EXIT = "action exit"; public static final String ACTION_PREVIOUS = "action previous"; public static final String ACTION_NEXT = "action next"; public static final String KEY_POS = "audio position"; private AudioManager mAm; private ArrayList<String> playAddresses = new ArrayList<>(); private int mCurrentPosition; public static final String TAG = "PlayService"; PlayHandler playHandler; PlayStatusReceiver playStatusReceiver; NetworkStateReceiver networkStateReceiver; @Nullable @Override public IBinder onBind(Intent intent) { return new Binder(); } class Binder extends android.os.Binder { public PlayService getService() { return PlayService.this; } } public static void loadMedia(Context packageContext, List<String> playingAddress, int position) { boolean isNativeAudio = (playingAddress != null && playingAddress.size() > 0) ? playingAddress.get(0).startsWith("file:") : false; Intent intent = new Intent(packageContext, PlayService.class); intent.putExtra(PlayService.ACTION_LOAD, true); ArrayList<String> playingAddresses = new ArrayList<>(playingAddress); intent.putExtra(PlayService.KEY_LIST, playingAddresses); intent.putExtra(PlayService.KEY_POS, position); if (isNativeAudio || com.hang.exoplayer.bean.Util.canPlay()) { packageContext.startService(intent); } else if (com.hang.exoplayer.bean.Util.getNetType() > -1) { Bundle bundle = intent.getExtras(); if (packageContext instanceof FragmentActivity) { NetInfoFragment netInfoFragment = NetInfoFragment.newInstance(bundle); netInfoFragment.show(((FragmentActivity) packageContext).getSupportFragmentManager(), "netInfo"); } else { throw new RuntimeException("loadMedia Activity must be FragmentActivity"); } } else { Toast.makeText(ExoApplication.getApplication(), "???~", Toast.LENGTH_LONG).show(); } } @Override public void onCreate() { super.onCreate(); mAm = (AudioManager) getSystemService(AUDIO_SERVICE); playStatusReceiver = new PlayStatusReceiver(); networkStateReceiver = new NetworkStateReceiver(); IntentFilter netFilter = new IntentFilter("android.net.conn.CONNECTIVITY_CHANGE"); registerReceiver(networkStateReceiver, netFilter); IntentFilter intentFilter = new IntentFilter(SimplePlayer.ACTION_PLAY_STUTUS); LocalBroadcastManager.getInstance(this).registerReceiver(playStatusReceiver, intentFilter); Log.d(TAG, "registerReceiver"); HandlerThread playThread = new HandlerThread("exoplayer"); playThread.start(); playHandler = new PlayHandler(playThread.getLooper()); } AudioManager.OnAudioFocusChangeListener mOnAudioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() { @Override public void onAudioFocusChange(int focusChange) { switch (focusChange) { case AudioManager.AUDIOFOCUS_GAIN: if (com.hang.exoplayer.bean.Util.clearStopPlayByLossFocusLastTime()) { play(); } break; case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT: if (com.hang.exoplayer.bean.Util.clearStopPlayByLossFocusLastTime()) { play(); } break; case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK: if (com.hang.exoplayer.bean.Util.clearStopPlayByLossFocusLastTime()) { play(); } break; case AudioManager.AUDIOFOCUS_LOSS: if (SimplePlayer.getInstance().isPlaying()) { pause(); com.hang.exoplayer.bean.Util.saveStopPlayByLossFocus(); } break; case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT: if (SimplePlayer.getInstance().isPlaying()) { pause(); com.hang.exoplayer.bean.Util.saveStopPlayByLossFocus(); } break; case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK: Log.e(TAG, "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK"); // Lower the volume break; } } }; private boolean requestFocus() { // Request audio focus for playback int result = mAm.requestAudioFocus(mOnAudioFocusChangeListener, // Use the music stream. AudioManager.STREAM_MUSIC, // Request permanent focus. AudioManager.AUDIOFOCUS_GAIN); return result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED; } public void pause() { Message message = playHandler.obtainMessage(); message.what = 2; message.sendToTarget(); } public void play() { Message message = playHandler.obtainMessage(); message.what = 1; int playType = Util.TYPE_HLS; if (playAddresses.get(mCurrentPosition).startsWith("file://")) { playType = Util.TYPE_OTHER; } Samples.Sample sample = new Samples.Sample("", playAddresses.get(mCurrentPosition), playType); message.obj = sample; message.sendToTarget(); requestFocus(); } public boolean hasNext() { if (mCurrentPosition < playAddresses.size()) { return true; } return false; } public boolean hasPrevious() { return mCurrentPosition > 0; } public void next() { if (mCurrentPosition < playAddresses.size() - 1) { SimplePlayer.getInstance().sendPlayStatusBroadcast(false, true, true, false); } else { Toast.makeText(this, "??~", Toast.LENGTH_SHORT).show(); } } public void previous() { if (mCurrentPosition > 0) { SimplePlayer.getInstance().sendPlayStatusBroadcast(false, true, false, false); } else { Toast.makeText(this, "?~", Toast.LENGTH_SHORT).show(); } } @Override public int onStartCommand(Intent intent, int flags, int startId) { if (intent != null) { boolean playOrPauseAction = intent.getBooleanExtra(ACTION_PLAY_PAUSE, false); boolean loadAction = intent.getBooleanExtra(ACTION_LOAD, false); boolean exitAction = intent.getBooleanExtra(ACTION_EXIT, false); boolean previousAction = intent.getBooleanExtra(ACTION_PREVIOUS, false); boolean nextAction = intent.getBooleanExtra(ACTION_NEXT, false); if (playOrPauseAction) { boolean isPlaying = SimplePlayer.getInstance().isPlaying(); if (isPlaying) { pause(); } else { play(); } } else if (loadAction) { ArrayList<String> audioList = intent.getStringArrayListExtra(KEY_LIST); int currentPosition = intent.getIntExtra(KEY_POS, 0); if (playAddresses.containsAll(audioList) && mCurrentPosition == currentPosition) { } else { mCurrentPosition = currentPosition; playAddresses.clear(); playAddresses.addAll(audioList); } play(); } else if (exitAction) { Log.d(TAG, "start exitAction"); stopForeground(true); pause(); if (playStatusReceiver != null) { LocalBroadcastManager.getInstance(this).unregisterReceiver(playStatusReceiver); playStatusReceiver = null; Log.d(TAG, "unregisterReceiver exitAction"); } dismissNotification(); stopSelf(); Log.d(TAG, "end exitAction"); } else if (previousAction) { if (mCurrentPosition > 0) { --mCurrentPosition; play(); } else { Toast.makeText(this, "?~", Toast.LENGTH_SHORT).show(); } } else if (nextAction) { if (mCurrentPosition < playAddresses.size() - 1) { ++mCurrentPosition; play(); } else { Toast.makeText(this, "??~", Toast.LENGTH_SHORT).show(); } } } return super.onStartCommand(intent, flags, startId); } class PlayHandler extends Handler { SimplePlayer player; public PlayHandler(Looper looper) { super(looper); this.player = SimplePlayer.getInstance(); } @Override public void handleMessage(Message msg) { switch (msg.what) { case 1: { Samples.Sample sample = (Samples.Sample) msg.obj; player.play(sample); break; } case 2: { player.releasePlayer(); break; } } } } public static final int ID_NOTIFICATION = 123; class PlayStatusReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (intent != null) { if (intent.getBooleanExtra(SimplePlayer.KEY_SWITCH, false)) { if (intent.getBooleanExtra(SimplePlayer.KEY_IS_NEXT, true)) { if (mCurrentPosition < playAddresses.size() - 1) { ++mCurrentPosition; play(); } } else { if (mCurrentPosition > 0) { --mCurrentPosition; play(); } } } new AsyncTask<Void, Void, Void>() { @Override protected Void doInBackground(Void... voids) { try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(Void aVoid) { showNotification(); } }.execute(); } } } @Override public void onDestroy() { super.onDestroy(); Log.d(TAG, "onDestroy"); if (networkStateReceiver != null) { unregisterReceiver(networkStateReceiver); } if (playStatusReceiver != null) { unregisterReceiver(playStatusReceiver); Log.d(TAG, "unregisterReceiver"); } } private void dismissNotification() { NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); manager.cancel(ID_NOTIFICATION); } public void showNotification() { String title = "XXXXXXXX"; String description = "YYYYYYYYYYYYY"; NotificationCompat.Builder builder = new NotificationCompat.Builder(PlayService.this).setAutoCancel(false) .setOngoing(true); Class<?> targetClass = PlayActivity.class; Intent notificationIntent = new Intent(PlayService.this, targetClass); PendingIntent pendingIntent = PendingIntent.getActivity(PlayService.this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT); builder.setContentIntent(pendingIntent); Intent playPauseIntent = new Intent(ExoApplication.getApplication(), PlayService.class); playPauseIntent.putExtra(ACTION_PLAY_PAUSE, true); Intent previousIntent = new Intent(ExoApplication.getApplication(), PlayService.class); previousIntent.putExtra(ACTION_PREVIOUS, true); Intent nextIntent = new Intent(ExoApplication.getApplication(), PlayService.class); nextIntent.putExtra(ACTION_NEXT, true); Intent dismissIntent = new Intent(ExoApplication.getApplication(), PlayService.class); dismissIntent.putExtra(ACTION_EXIT, true); PendingIntent playPendingIntent = PendingIntent.getService(PlayService.this, 1, playPauseIntent, PendingIntent.FLAG_UPDATE_CURRENT); PendingIntent previousPendingIntent = PendingIntent.getService(PlayService.this, 2, previousIntent, PendingIntent.FLAG_UPDATE_CURRENT); PendingIntent nextPendingIntent = PendingIntent.getService(PlayService.this, 3, nextIntent, PendingIntent.FLAG_UPDATE_CURRENT); PendingIntent dismissPendingIntent = PendingIntent.getService(PlayService.this, 4, dismissIntent, PendingIntent.FLAG_UPDATE_CURRENT); RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.notification_high_version_no_live); contentView.setTextViewText(R.id.songName, title); contentView.setTextViewText(R.id.artist, description); boolean isPlaying = SimplePlayer.getInstance().isPlaying(); // Log.d(TAG, "Notification is Playing?" + isPlaying); contentView.setImageViewResource(R.id.play_pause, isPlaying ? R.drawable.ic_noti_play_normal : R.drawable.ic_noti_pause_normal); contentView.setOnClickPendingIntent(R.id.play_pause, playPendingIntent); contentView.setOnClickPendingIntent(R.id.play_pre, previousPendingIntent); contentView.setOnClickPendingIntent(R.id.forward, nextPendingIntent); contentView.setOnClickPendingIntent(R.id.stop, dismissPendingIntent); // builder.setCustomContentView(contentView); builder.setContent(contentView); Notification notification = builder.setSmallIcon(R.mipmap.ic_launcher).build(); startForeground(ID_NOTIFICATION, notification); NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); manager.notify(ID_NOTIFICATION, notification); } public class NetworkStateReceiver extends BroadcastReceiver { public void onReceive(Context context, Intent intent) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = cm.getActiveNetworkInfo(); if (networkInfo == null || com.hang.exoplayer.bean.Util.getNetType() == -1) { if (SimplePlayer.getInstance().isPlaying()) { com.hang.exoplayer.bean.Util.saveStopPlayByLeaveNet(); Toast.makeText(ExoApplication.getApplication(), "save", Toast.LENGTH_SHORT).show(); com.hang.exoplayer.bean.Util.appendLog("saved"); return; } } if (com.hang.exoplayer.bean.Util.canPlay() && com.hang.exoplayer.bean.Util.clearStopPlayByLeaveNetLastTime()) { play(); com.hang.exoplayer.bean.Util.appendLog("play"); Toast.makeText(ExoApplication.getApplication(), "play", Toast.LENGTH_LONG).show(); } } } }