播放陣列列表中的下一首歌曲時，Android應用程序強制關閉
[英]Android app force closes when playing next song in array list
問題描述
我正在創建一個Android應用程序（供我自己使用），可以讓我從GTA V收聽自己喜歡的歌曲。MediaPlayer從我的保管箱帳戶中流過mp3曲目，並且一切正常。
問題在於第一首歌曲結束后，我希望它播放下一首歌曲，但是當我在第一首歌曲結束播放后運行應用程序時，應用程序崩潰，而不是播放列表中的下一首歌曲。
有人可以幫我解決我遇到的這個問題嗎？
謝謝。
碼
public class channelx extends Activity implements MediaPlayer.OnPreparedListener {
Button play, pause, home, refresh;
protected Dialog mSplashDialog;
private int playlistPos = 0;
private List<Uri> myUris = new ArrayList<Uri>();
private MediaPlayer sdrPlayer = new MediaPlayer();
/** Called when the activity is first created. */@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.channelx);
final ProgressDialog progressDialog = new ProgressDialog(channelx.this);
progressDialog.setCancelable(false);
progressDialog.setIndeterminate(true);
progressDialog.setMessage("Loading...");
progressDialog.show();
final Timer t = new Timer();
t.schedule(new TimerTask() {
public void run() {
progressDialog.dismiss();
t.cancel();
}
}, 5000);
play = (Button) findViewById(R.id.play);
pause = (Button) findViewById(R.id.pause);
home = (Button) findViewById(R.id.home);
refresh = (Button) findViewById(R.id.refresh);
myUris.add(Uri.parse("https://db.tt/4ANlGRms"));
myUris.add(Uri.parse("https://db.tt/TpmxsqGJ"));
myUris.add(Uri.parse("https://db.tt/rbkYtuNI"));
myUris.add(Uri.parse("https://db.tt/JYVHp9nm"));
myUris.add(Uri.parse("https://db.tt/xWLATUQp"));
myUris.add(Uri.parse("https://db.tt/WzV2TzFu"));
// Add the others as well...
initSong(myUris.get(playlistPos));
sdrPlayer.setOnCompletionListener(new OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
sdrPlayer.reset();
playlistPos++;
initSong(myUris.get(playlistPos));
sdrPlayer.start(); // Start it as well if you wish
}
});
play.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
sdrPlayer.start();
}
}
);
pause.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
sdrPlayer.pause();
}
});
home.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder1 = new AlertDialog.Builder(channelx.this);
builder1.setMessage("Are you sure you want to leave this station? Playback will be stopped.");
builder1.setCancelable(true);
builder1.setPositiveButton("Continue",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
sdrPlayer.stop();
Intent intent = new Intent(channelx.this, MainActivity.class);
startActivity(intent);
}
});
builder1.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alert11 = builder1.create();
alert11.show();
}
});
refresh.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
sdrPlayer.stop();
Intent intent = new Intent(channelx.this, channelx.class);
startActivity(intent);
}
});
}
@Override
public void onPrepared(MediaPlayer mp) {
}
public void initSong(Uri myUri) {
try {
sdrPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
sdrPlayer.setDataSource(this, myUri);
sdrPlayer.prepareAsync(); // don't use prepareAsync for mp3 playback
}
catch (IOException e) {
e.printStackTrace();
Toast.makeText(channelx.this,
"Please turn on WiFi and try again",
Toast.LENGTH_LONG).show();
}
}
}
LogCat
05-26 15:37:14.574: D/MediaPlayer(16744): mIsAboveSense55:-1
05-26 15:37:14.574: D/MediaPlayer(16744): sense_version:5.5
05-26 15:37:14.574: D/MediaPlayer(16744): ver s1: 55000
05-26 15:37:14.574: D/MediaPlayer(16744): ver s2: 55000
05-26 15:37:14.664: V/MediaPlayer(16744): network type=wifi
05-26 15:37:14.664: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:37:14.694: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:37:14.694: I/MediaPlayer(16744): setLPAflag() in
05-26 15:37:14.704: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:37:14.704: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:37:14.704: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:37:14.704: I/MediaPlayer(16744): setLPAflag() out
05-26 15:37:14.754: D/MediaPlayer(16744): Mediaplayer receives message, message type: 8
05-26 15:37:22.833: W/MediaPlayer(16744): info/warning (1, 902)
05-26 15:37:22.833: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:22.833: D/MediaPlayer(16744): Mediaplayer receives message, message type: 5
05-26 15:37:22.833: D/MediaPlayer(16744): Mediaplayer receives message, message type: 1
05-26 15:37:22.853: E/MediaPlayer(16744): Should have subtitle controller already set
05-26 15:37:24.044: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:37:24.044: D/[MediaPluginDLNA](16744): not in Mirror mode
05-26 15:37:24.044: D/MediaPlayer(16744): doStart() in
05-26 15:37:24.044: D/MediaPlayer(16744): Htc_getIntParameter = 902
05-26 15:37:24.184: D/MediaPlayer(16744): Mediaplayer receives message, message type: 6
05-26 15:37:25.115: D/MediaPlayer(16744): Mediaplayer receives message, message type: 7
05-26 15:37:26.176: W/MediaPlayer(16744): info/warning (703, 0)
05-26 15:37:26.176: W/MediaPlayer(16744): info/warning (701, 0)
05-26 15:37:26.176: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:26.186: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:27.177: W/MediaPlayer(16744): info/warning (702, 0)
05-26 15:37:27.207: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:28.238: D/MediaPlayer(16744): Mediaplayer receives message, message type: 7
05-26 15:37:29.370: W/MediaPlayer(16744): info/warning (703, 0)
05-26 15:37:29.370: W/MediaPlayer(16744): info/warning (701, 0)
05-26 15:37:29.370: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:29.370: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:30.391: W/MediaPlayer(16744): info/warning (702, 0)
05-26 15:37:30.401: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:31.412: D/MediaPlayer(16744): Mediaplayer receives message, message type: 7
05-26 15:37:31.612: W/MediaPlayer(16744): info/warning (703, 0)
05-26 15:37:31.612: W/MediaPlayer(16744): info/warning (701, 0)
05-26 15:37:31.612: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:31.612: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:37:32.433: W/MediaPlayer(16744): info/warning (702, 0)
05-26 15:37:32.433: D/MediaPlayer(16744): Mediaplayer receives message, message type: 200
05-26 15:39:16.584: D/MediaPlayer(16744): Mediaplayer receives message, message type: 7
05-26 15:39:16.764: E/MediaPlayer(16744): internal/external state mismatch corrected
05-26 15:39:16.774: D/MediaPlayer(16744): Mediaplayer receives message, message type: 2
05-26 15:39:16.774: D/MediaPlayer(16744): reset() in
05-26 15:39:16.814: D/MediaPlayer(16744): reset() out
05-26 15:39:16.814: D/MediaPlayer(16744): reset() out
05-26 15:39:16.824: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.864: V/MediaPlayer(16744): network type=wifi
05-26 15:39:16.864: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.894: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:39:16.894: I/MediaPlayer(16744): setLPAflag() in
05-26 15:39:16.894: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:39:16.904: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:39:16.904: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:39:16.904: I/MediaPlayer(16744): setLPAflag() out
05-26 15:39:16.904: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:39:16.904: D/MediaPlayer(16744): doStart() in
05-26 15:39:16.904: D/MediaPlayer(16744): Htc_getIntParameter = 0
05-26 15:39:16.904: E/MediaPlayer(16744): start called in state 4
05-26 15:39:16.904: E/MediaPlayer(16744): error (-38, 0)
05-26 15:39:16.904: D/MediaPlayer(16744): start() out
05-26 15:39:16.904: D/MediaPlayer(16744): U58 Send PlaybackCompleteEvent
05-26 15:39:16.924: D/MediaPlayer(16744): Mediaplayer receives message, message type: 100
05-26 15:39:16.924: E/MediaPlayer(16744): Error (-38,0)
05-26 15:39:16.924: D/MediaPlayer(16744): reset() in
05-26 15:39:16.924: D/MediaPlayer(16744): reset() out
05-26 15:39:16.924: D/MediaPlayer(16744): reset() out
05-26 15:39:16.934: E/MediaPlayer(16744): error (1, -107)
05-26 15:39:16.934: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.934: V/MediaPlayer(16744): network type=wifi
05-26 15:39:16.934: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.934: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:39:16.934: I/MediaPlayer(16744): setLPAflag() in
05-26 15:39:16.934: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:39:16.934: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:39:16.934: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:39:16.934: I/MediaPlayer(16744): setLPAflag() out
05-26 15:39:16.934: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:39:16.934: D/MediaPlayer(16744): doStart() in
05-26 15:39:16.944: D/MediaPlayer(16744): Htc_getIntParameter = 0
05-26 15:39:16.944: E/MediaPlayer(16744): start called in state 4
05-26 15:39:16.944: E/MediaPlayer(16744): error (-38, 0)
05-26 15:39:16.944: D/MediaPlayer(16744): start() out
05-26 15:39:16.944: D/MediaPlayer(16744): Mediaplayer receives message, message type: 100
05-26 15:39:16.944: E/MediaPlayer(16744): Error (1,-107)
05-26 15:39:16.944: D/MediaPlayer(16744): reset() in
05-26 15:39:16.944: D/MediaPlayer(16744): reset() out
05-26 15:39:16.944: D/MediaPlayer(16744): reset() out
05-26 15:39:16.944: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.944: E/MediaPlayer(16744): error (1, -107)
05-26 15:39:16.955: V/MediaPlayer(16744): network type=wifi
05-26 15:39:16.955: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.965: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:39:16.965: I/MediaPlayer(16744): setLPAflag() in
05-26 15:39:16.965: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:39:16.975: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:39:16.975: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:39:16.975: I/MediaPlayer(16744): setLPAflag() out
05-26 15:39:16.975: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:39:16.975: D/MediaPlayer(16744): doStart() in
05-26 15:39:16.975: D/MediaPlayer(16744): Htc_getIntParameter = 0
05-26 15:39:16.975: E/MediaPlayer(16744): start called in state 4
05-26 15:39:16.975: E/MediaPlayer(16744): error (-38, 0)
05-26 15:39:16.975: D/MediaPlayer(16744): start() out
05-26 15:39:16.975: D/MediaPlayer(16744): Mediaplayer receives message, message type: 100
05-26 15:39:16.975: E/MediaPlayer(16744): Error (1,-107)
05-26 15:39:16.975: D/MediaPlayer(16744): reset() in
05-26 15:39:16.975: D/MediaPlayer(16744): reset() out
05-26 15:39:16.975: D/MediaPlayer(16744): reset() out
05-26 15:39:16.975: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.985: E/MediaPlayer(16744): error (1, -107)
05-26 15:39:16.985: V/MediaPlayer(16744): network type=wifi
05-26 15:39:16.985: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:16.995: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:39:16.995: I/MediaPlayer(16744): setLPAflag() in
05-26 15:39:16.995: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:39:16.995: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:39:16.995: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:39:16.995: I/MediaPlayer(16744): setLPAflag() out
05-26 15:39:17.005: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:39:17.005: D/MediaPlayer(16744): doStart() in
05-26 15:39:17.005: D/MediaPlayer(16744): Htc_getIntParameter = 0
05-26 15:39:17.005: E/MediaPlayer(16744): start called in state 4
05-26 15:39:17.005: E/MediaPlayer(16744): error (-38, 0)
05-26 15:39:17.005: D/MediaPlayer(16744): start() out
05-26 15:39:17.005: D/MediaPlayer(16744): Mediaplayer receives message, message type: 100
05-26 15:39:17.005: E/MediaPlayer(16744): Error (1,-107)
05-26 15:39:17.005: D/MediaPlayer(16744): reset() in
05-26 15:39:17.005: D/MediaPlayer(16744): reset() out
05-26 15:39:17.005: D/MediaPlayer(16744): reset() out
05-26 15:39:17.005: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:17.015: E/MediaPlayer(16744): error (1, -107)
05-26 15:39:17.015: V/MediaPlayer(16744): network type=wifi
05-26 15:39:17.015: D/MediaPlayer(16744): mIsAboveSense55:1
05-26 15:39:17.015: D/MediaPlayer(16744): Couldn't open file on client side, trying server side
05-26 15:39:17.025: I/MediaPlayer(16744): setLPAflag() in
05-26 15:39:17.025: D/MediaPlayer(16744): SystemProperties.get htc.audio.mirrorlink.status:
05-26 15:39:17.025: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false +
05-26 15:39:17.025: D/MediaPlayer(16744): set AwesomePlayer LPA flag to false -
05-26 15:39:17.025: I/MediaPlayer(16744): setLPAflag() out
05-26 15:39:17.025: D/[MediaPluginDLNA](16744): [getIsRegionSupported] sRegionCode: 6
05-26 15:39:17.025: D/MediaPlayer(16744): doStart() in
05-26 15:39:17.025: D/MediaPlayer(16744): Htc_getIntParameter = 0
05-26 15:39:17.025: E/MediaPlayer(16744): start called in state 4
05-26 15:39:17.025: E/MediaPlayer(16744): error (-38, 0)
05-26 15:39:17.025: D/MediaPlayer(16744): start() out
05-26 15:39:17.025: D/MediaPlayer(16744): Mediaplayer receives message, message type: 100
05-26 15:39:17.025: E/MediaPlayer(16744): Error (1,-107)
05-26 15:39:17.025: D/MediaPlayer(16744): reset() in
05-26 15:39:17.035: D/MediaPlayer(16744): reset() out
05-26 15:39:17.035: D/MediaPlayer(16744): reset() out
05-26 15:39:17.035: W/dalvikvm(16744): threadid=1: thread exiting with uncaught exception (group=0x4167de18)
05-26 15:39:17.035: E/MediaPlayer(16744): error (1, -107)
05-26 15:39:17.045: E/AndroidRuntime(16744): FATAL EXCEPTION: main
05-26 15:39:17.045: E/AndroidRuntime(16744): Process: com.example.gtavradio, PID: 16744
05-26 15:39:17.045: E/AndroidRuntime(16744): java.lang.IndexOutOfBoundsException: Invalid index 6, size is 6
05-26 15:39:17.045: E/AndroidRuntime(16744): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
05-26 15:39:17.045: E/AndroidRuntime(16744): at java.util.ArrayList.get(ArrayList.java:308)
05-26 15:39:17.045: E/AndroidRuntime(16744): at com.example.gtavradio.channelx$2.onCompletion(channelx.java:75)
05-26 15:39:17.045: E/AndroidRuntime(16744): at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:3162)
05-26 15:39:17.045: E/AndroidRuntime(16744): at android.os.Handler.dispatchMessage(Handler.java:102)
05-26 15:39:17.045: E/AndroidRuntime(16744): at android.os.Looper.loop(Looper.java:157)
05-26 15:39:17.045: E/AndroidRuntime(16744): at android.app.ActivityThread.main(ActivityThread.java:5872)
05-26 15:39:17.045: E/AndroidRuntime(16744): at java.lang.reflect.Method.invokeNative(Native Method)
05-26 15:39:17.045: E/AndroidRuntime(16744): at java.lang.reflect.Method.invoke(Method.java:515)
05-26 15:39:17.045: E/AndroidRuntime(16744): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1069)
05-26 15:39:17.045: E/AndroidRuntime(16744): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:885)
05-26 15:39:17.045: E/AndroidRuntime(16744): at dalvik.system.NativeStart.main(Native Method)
05-26 15:39:19.918: D/Process(16744): killProcess, pid=16744
05-26 15:39:19.918: D/Process(16744): com.android.internal.os.RuntimeInit$UncaughtHandler.uncaughtException:131 java.lang.ThreadGroup.uncaughtException:693 java.lang.ThreadGroup.uncaughtException:690
編輯：忽略對我的代碼的一些愚蠢的評論
新日志
05-26 16:20:11.884: E/MediaPlayer(1530): attachNewPlayer called in state 128
05-26 16:20:11.884: W/dalvikvm(1530): threadid=1: thread exiting with uncaught exception (group=0x4167de18)
05-26 16:20:11.904: E/AndroidRuntime(1530): FATAL EXCEPTION: main
05-26 16:20:11.904: E/AndroidRuntime(1530): Process: com.example.gtavradio, PID: 1530
05-26 16:20:11.904: E/AndroidRuntime(1530): java.lang.IllegalStateException
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer._setDataSource(Native Method)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1236)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1203)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1137)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1032)
05-26 16:20:11.904: E/AndroidRuntime(1530): at com.example.gtavradio.channelx.initSong(channelx.java:155)
05-26 16:20:11.904: E/AndroidRuntime(1530): at com.example.gtavradio.channelx$2.onCompletion(channelx.java:78)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:3089)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.os.Handler.dispatchMessage(Handler.java:102)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.os.Looper.loop(Looper.java:157)
05-26 16:20:11.904: E/AndroidRuntime(1530): at android.app.ActivityThread.main(ActivityThread.java:5872)
05-26 16:20:11.904: E/AndroidRuntime(1530): at java.lang.reflect.Method.invokeNative(Native Method)
05-26 16:20:11.904: E/AndroidRuntime(1530): at java.lang.reflect.Method.invoke(Method.java:515)
05-26 16:20:11.904: E/AndroidRuntime(1530): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1069)
05-26 16:20:11.904: E/AndroidRuntime(1530): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:885)
05-26 16:20:11.904: E/AndroidRuntime(1530): at dalvik.system.NativeStart.main(Native Method)
現在編輯此代碼不會使應用程序崩潰，但仍不會自動播放下一首歌曲，我必須抑制播放才能使其播放下一首歌曲
sdrPlayer.setOnCompletionListener(new OnCompletionListener() {
public void onCompletion(MediaPlayer mp) {
sdrPlayer.stop();
sdrPlayer.reset();
playlistPos++;
if (playlistPos == myUris.size()) {
playlistPos = 0;
}
initSong(myUris.get(playlistPos));
//sdrPlayer.start(); // Start it as well if you wish
}
});
3 個解決方案
解決方案1
1 已采納 2014-05-26 14:59:18
您有一個數組索引超出范圍異常-我認為這是由
playlistPos++;
initSong(myUris.get(playlistPos));
只需檢查playlistPos是否大於播放列表大小即可：
playlistPos++;
if (playlistPos == myUris.size()) {
playlistPos = 0;
}
initSong(myUris.get(playlistPos));
它將為您循環播放列表。
現在，為防止出現其他錯誤，請嘗試從onCompletionListener刪除sdrPlayer.start() ，並且僅在准備播放器時調用start。
sdrPlayer.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
sdrPlayer.start();
}
});
編輯：這是一些工作代碼：
public class MainActivity extends Activity {
private MediaPlayer mp;
private int playlistPos = 0;
private List<Uri> playlist;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
playlist = createPlaylist();
mp = new MediaPlayer();
initMediaPlayer();
initSong();
}
private void initMediaPlayer() {
mp.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
playlistPos++;
if (playlistPos == playlist.size()) {
playlistPos = 0;
}
initSong();
}
});
mp.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
mp.start();
}
});
}
private void initSong() {
mp.reset();
try {
mp.setDataSource(this, playlist.get(playlistPos));
}
catch (IOException e) {
e.printStackTrace();
}
mp.prepareAsync();
}
private List<Uri> createPlaylist() {
List<Uri> myUris = new ArrayList<Uri>();
myUris.add(Uri.parse("https://db.tt/4ANlGRms"));
myUris.add(Uri.parse("https://db.tt/TpmxsqGJ"));
myUris.add(Uri.parse("https://db.tt/rbkYtuNI"));
myUris.add(Uri.parse("https://db.tt/JYVHp9nm"));
myUris.add(Uri.parse("https://db.tt/xWLATUQp"));
myUris.add(Uri.parse("https://db.tt/WzV2TzFu"));
return myUris;
}
}
解決方案2
0 2014-05-26 14:57:32
錯誤代碼與數組大小有關。
java.lang.IndexOutOfBoundsException: Invalid index 6, size is 6
在代碼中的某個位置，您的代碼竟然播放了索引號為6的下一首歌曲。我不確定這是從Dropbox API獲得還是您正在制作。 但是錯誤是這樣的
int[6] songIds = [10, 14, 12, 54, 24, 54];
/* then somewhere while playing
* you reference the array as */
songIds[6];
這清楚地表明您要播放的歌曲不是數組的一部分。 您需要播放5號歌曲，或者您需要返回第一首歌曲。 您應該記住，數組索引從0開始，一直到arraysize - 1 。
也許在playlistPos的初始化中將playlistPos設置為6 。 您應該確保這一點。
解決方案3
-1 2015-03-12 12:17:24
我在android和java中很漂亮：（但我認為可以解決此問題：
public class QueuePlay extends Thread {
private Vector<SoundPair> mVoiceQueue = new Vector<SoundPair>();
private PlaySound playSound;
Object lock = new Object();
public QueuePlay() {
};
// *********************************************************
public synchronized QueuePlay setPlaySound(PlaySound playSound) {
this.playSound = playSound;
playSound.setEventListenerPlay(new OnEventListenerPlay() {
@Override
public void onPlaySound(SoundPair soundPair) {
Log.i("MSH", "onPlaySound->" + soundPair.toString());
}
@Override
public void onFinishSound(SoundPair soundPair) {
Log.e("MSH", "onFinishSound->" + soundPair.toString());
synchronized (lock) {
lock.notify();
}
}
@Override
public void onErrorOccurred(String errorMsg) {
// TODO Auto-generated method stub
Log.i("MSH", "onErrorOccurred->" + errorMsg);
}
});
return this;
}
// -------------------------------------------
public synchronized void addToVoiceQueue(SoundPair soundPair) {
mVoiceQueue.add(soundPair);
Log.i("MSH", "addToVoiceQueue->" + soundPair.toString());
notify();
}
// -----------------------------------------
private synchronized SoundPair getNextVoiceFromQueue()
throws InterruptedException {
while (mVoiceQueue.size() == 0)
wait();
SoundPair soundPair = (SoundPair) mVoiceQueue.get(0);
Log.i("MSH", "getNextVoiceFromQueue->" + soundPair.toString());
mVoiceQueue.removeElementAt(0);
return soundPair;
}
private synchronized void playSound_(SoundPair aMessage) throws Exception {
if (playSound != null) {
playSound._play_numbers(aMessage);
}
}
@Override
public void run() {
try {
while (!isInterrupted()) {
SoundPair message = getNextVoiceFromQueue();
playSound_(message);
synchronized (lock) {
lock.wait();
}
}
} catch (Exception e) {
Log.e("MSH", e.getMessage()
+ "->RUN->Exception (Queue Play voice) ");
} finally {
}
}
}
所以
public class PlaySound {
private final int MAX_NUMBER_NO = 41;
private final int MAX_QUEUE_NO = 101;
private Context context;
private AppController ac = new AppController();
private MediaPlayer mPlayer;
int number_no[] = new int[MAX_NUMBER_NO];// یک
int queue_no[] = new int[MAX_QUEUE_NO];// شماره 1 به باجه
public interface OnEventListenerPlay {
public void onPlaySound(SoundPair soundPair);
public void onFinishSound(SoundPair soundPair);
public void onErrorOccurred(String errorMsg);
}
private OnEventListenerPlay mOnEventListenerPlay = null;
public void setEventListenerPlay(OnEventListenerPlay mOnEventListener) {
this.mOnEventListenerPlay = mOnEventListener;
}
// ----------------------------------------------------------------------
public PlaySound(Context context) {
this.context = AppController.mContext;
getRawResource();
}
private void getRawResource() {
for (int i = 1; i < queue_no.length; i++) {
queue_no[i] = context.getResources().getIdentifier("raw/s" + i,
"raw", context.getPackageName());
}
for (int i = 1; i < number_no.length; i++) {
number_no[i] = context.getResources().getIdentifier("raw/n" + i,
"raw", context.getPackageName());
}
}
public void _play_numbers(final SoundPair soundPair) throws Exception {
if (soundPair != null) {
final int baje = soundPair.getBaje();
final int shoamre = soundPair.getShoamre();
try {
if ((shoamre > 0 && shoamre < queue_no.length)) {
mPlayer = MediaPlayer.create(context, queue_no[shoamre]);
mPlayer.start();
if (mOnEventListenerPlay != null)
mOnEventListenerPlay.onPlaySound(soundPair);
mPlayer.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mPlayer.stop();
if (baje > 0 && baje < number_no.length) {
mPlayer = MediaPlayer.create(context,
number_no[baje]);
mPlayer.start();
mPlayer.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mPlayer.stop();
if (mOnEventListenerPlay != null)
mOnEventListenerPlay.onFinishSound(soundPair);
}
});
} else
ac.logError(getClass(), "number: " + baje
+ " Not In Range:"
+ (number_no.length - 1));
}
});
} else {
ac.logError(getClass(), "queue: " + shoamre
+ " Not In Range:" + (queue_no.length - 1));
}
} catch (Exception ex) {
ac.logError(getClass(), ex.getMessage());
if (mOnEventListenerPlay != null)
mOnEventListenerPlay.onErrorOccurred( ex.getMessage());
}
}
}
}
Android應用程序強制關閉並帶有arrayindexoutofbounds異常
[英]Android app force closes with arrayindexoutofbounds exception
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