無法播放從htts協議的url中的MP3文件android

Question

我從一個包含https協議擴展的url播放mp3文件，我得到一個mediaplayer未能準備異常，但是當我使用http協議代碼運行良好

/* *

      import com.erkutaras.media.audio.url.R; 

          import android.app.Activity; 
          import android.media.MediaPlayer; 
          import android.media.MediaPlayer.OnBufferingUpdateListener; 
          import android.media.MediaPlayer.OnCompletionListener; 
          import android.media.MediaPlayer.OnPreparedListener; 
          import android.os.Bundle; 
          import android.os.Handler; 
          import android.util.Log; 
          import android.view.MotionEvent; 
          import android.view.View; 
          import android.view.View.OnClickListener; 
          import android.view.View.OnTouchListener; 
          import android.widget.Button; 
          import android.widget.SeekBar; 

          public class StreamAudioFromUrlSampleActivity extends Activity implements OnClickListener, OnTouchListener, OnCompletionListener, OnBufferingUpdateListener{ 
           private Button btn_play, 
           btn_pause, 
           btn_stop; 
          private SeekBar seekBar; 
          private MediaPlayer mediaPlayer; 
          private int lengthOfAudio; 
          // private final String URL = "http://android.erkutaras.com/media/audio.mp3"; 
          private final String URL = "https://icanbeanything.com/en/Fearless/afraid-of-change.mp3"; 
           private final Handler handler = new Handler(); 
          private final Runnable r = new Runnable() { 
          @Override 
          public void run() { 
          updateSeekProgress(); 
          } 
          }; 
          /** Called when the activity is first created. */ 
           @Override 
           public void onCreate(Bundle savedInstanceState) { 
            super.onCreate(savedInstanceState); 
            setContentView(R.layout.main); 
            init(); 
           } 

          private void init() { 
          btn_play = (Button)findViewById(R.id.btn_play); 
          btn_play.setOnClickListener(this); 
          btn_pause = (Button)findViewById(R.id.btn_pause); 
          btn_pause.setOnClickListener(this); 
          btn_pause.setEnabled(false); 
          btn_stop = (Button)findViewById(R.id.btn_stop); 
          btn_stop.setOnClickListener(this); 
          btn_stop.setEnabled(false); 
          seekBar = (SeekBar)findViewById(R.id.seekBar); 
          seekBar.setOnTouchListener(this); 
          mediaPlayer = new MediaPlayer(); 
          mediaPlayer.setOnBufferingUpdateListener(this); 
          mediaPlayer.setOnCompletionListener(this); 
          } 

          @Override 
          public void onBufferingUpdate(MediaPlayer mediaPlayer, int percent) { 
          seekBar.setSecondaryProgress(percent); 
          } 

          @Override 
          public void onCompletion(MediaPlayer mp) { 
          btn_play.setEnabled(true); 
          btn_pause.setEnabled(false); 
          btn_stop.setEnabled(false); 
          } 

          @Override 
          public boolean onTouch(View v, MotionEvent event) { 
          if (mediaPlayer.isPlaying()) { 
          SeekBar tmpSeekBar = (SeekBar)v; 
          mediaPlayer.seekTo((lengthOfAudio/100) * tmpSeekBar.getProgress()); 
          } 
          return false; 
          } 

          @Override 
          public void onClick(View view) { 

          try { 
          mediaPlayer.setDataSource(URL); 
          mediaPlayer.prepare(); 
          lengthOfAudio = mediaPlayer.getDuration(); 
          } catch (Exception e) { 
          Log.e("Error", e.getMessage()); 
          } 
          switch (view.getId()) { 
          case R.id.btn_play: 
          playAudio(); 
          break; 
          case R.id.btn_pause: 
          pauseAudio(); 
          break; 
          case R.id.btn_stop: 
          stopAudio(); 
          break; 
          default: 
          break; 
          } 
          updateSeekProgress(); 
          } 

          private void updateSeekProgress() { 
          if (mediaPlayer.isPlaying()) { 
          seekBar.setProgress((int)(((float)mediaPlayer.getCurrentPosition()/lengthOfAudio) * 100)); 
          handler.postDelayed(r, 1000); 
          } 
          } 

          private void stopAudio() { 
          mediaPlayer.stop(); 
          btn_play.setEnabled(true); 
          btn_pause.setEnabled(false); 
          btn_stop.setEnabled(false); 
          seekBar.setProgress(0); 
          } 

          private void pauseAudio() { 
          mediaPlayer.pause(); 
          btn_play.setEnabled(true); 
          btn_pause.setEnabled(false); 
          } 

          private void playAudio() { 
          mediaPlayer.start(); 
          btn_play.setEnabled(false); 
          btn_pause.setEnabled(true); 
          btn_stop.setEnabled(true); 
          } 


          } 

                ///////////////////////////////////////////////////////////////////// 

/////////////////////////////////// ///////////////////////0

*/

Answer 1

如果你的Android 3.1

HTTPS之前開發在Android 3.1之前，不支持。

請參閱此鏈接

Android Supported Media Formats