作者Dmitry (Dmitry)
看板AndroidDev
标题[问题] 使用范例程式码编译成功但不能执行
时间Sat Apr 6 14:39:01 2013
使用ADT内建的范例程式来编译成功
不过使用模拟器或实际测试2.1的手机却都不能执行
请问一下会是什麽问题呢?
错误讯息显示:
Sorry! The application has stopped unexpectedly. Please try again.
package com.example.mp3test;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
public class MainActivity extends Activity {
private static final String TAG = "MediaPlayerDemo";
private MediaPlayer mMediaPlayer;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
private String path;
private TextView tx;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
tx = new TextView(this);
setContentView(tx);
Bundle extras = getIntent().getExtras();
playAudio(extras.getInt(MEDIA));
}
private void playAudio(Integer media) {
try {
switch (media) {
case LOCAL_AUDIO:
/**
* TODO: Set the path variable to a local audio file path.
*/
path = "";
if (path == "") {
// Tell the user to provide an audio file URL.
Toast
.makeText(
MainActivity.this,
"Please edit MediaPlayer_Audio Activity, "
+ "and set the path variable to your audio file path."
+ " Your audio file must be stored on sdcard.",
Toast.LENGTH_LONG).show();
}
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.prepare();
mMediaPlayer.start();
break;
case RESOURCES_AUDIO:
/**
* TODO: Upload a audio file to res/raw folder and provide
* its resid in MediaPlayer.create() method.
*/
mMediaPlayer = MediaPlayer.create(this, R.raw.test_cbr);
mMediaPlayer.start();
}
tx.setText("Playing audio...");
} catch (Exception e) {
Log.e(TAG, "error: " + e.getMessage(), e);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is
present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 114.42.216.70
※ 编辑: Dmitry 来自: 114.42.216.70 (04/06 14:43)
1F：→ nonebelieve:Androidmanifest.xml 有加activity吗? 04/06 20:00
2F：→ ckvir:我直觉也是想到xml没加active 04/07 12:27
3F：→ ckvir:不然就是没加权限 04/07 12:28
4F：→ Dmitry:後来发现是Bundle那一行的问题 04/13 00:37