Android : ProgressBar 작동하지 않음

Question

미디어 플레이어를 사용하고 있습니다. 연결 URL 및 미디어 플레이어 준비가 진행되는 동안 진행률 표시 줄을 표시하고 싶지만 표시 할 수 없습니다. 실행 방법에

public class MainActivity extends Activity implements OnClickListener, Runnable{ 

MediaPlayer mPlayer; 
ProgressBar pBar = null; 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
    Continue(); 
} 


@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    getMenuInflater().inflate(R.menu.main, menu); 
    return true; 
} 
public void Connect() 
{   
    try { 
     Toast.makeText(getApplicationContext(),"Yayın Açılana Kadar Lütfen Bekleyiniz" , Toast.LENGTH_SHORT).show(); 
     mPlayer.prepare(); 
    } catch (IllegalStateException e) { 
     Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show(); 
     e.printStackTrace(); 
    } catch (IOException e) { 
     Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show(); 
     e.printStackTrace(); 
    } 

    mPlayer.start(); 
    pBar.setVisibility(ProgressBar.VISIBLE); 
    pBar.setProgress(0); 
    pBar.setMax(mPlayer.getDuration()); 
    new Thread(this).start(); 
    if(mPlayer!=null)pBar.setVisibility(ProgressBar.GONE); 
} 
public void Continue() 
{ 
    mPlayer = new MediaPlayer(); 
    String str = "http:MyURL"; 
    mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); 
    try { 
     mPlayer.setDataSource(str); 
    } catch (IllegalArgumentException e) { 
     // TODO Auto-generated catch block 
     Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show(); 
     e.printStackTrace(); 
    } catch (IllegalStateException e) { 
     // TODO Auto-generated catch block 
     e.printStackTrace(); 
     Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show(); 
    } catch (IOException e) { 
     // TODO Auto-generated catch block 
     Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show(); 
     e.printStackTrace(); 
    } 
    Connect(); 
} 
public void run() { 
    // TODO Auto-generated method stub 
    int currentPosition =0; 
    int total = mPlayer.getDuration(); 
    while(mPlayer!=null && currentPosition<total){ 
     try{ 
      Thread.sleep(1000); 
      currentPosition = mPlayer.getCurrentPosition(); 
     }catch(InterruptedException e){ 
      return; 
     }catch(Exception e){ 
      return; 
     } 
     pBar.setProgress(currentPosition); 
     } 
    } 
} 

Answer 1

당신이 바로 표시됩니다 thread..it를 시작한 후 pBar.setVisibility(ProgressBar.GONE);를 호출 한 후 즉시 사라진다 ..
이동 그것은 처리가 완료된 후.