android.app.SuperNotCalledException: l'Activité n'a pas d'appel par le biais de super.onCreate()

Voici mon Android Media player code. Je ne sais pas ce que je suis en manque dans ce code, quand je les ai point d'arrêt à la ligne MediaPlayer mp = new MediaPlayer() dans Debug mode. Tous les fichiers dans zip dossier est joué. Mais quand je lance l'application en mode normal, le premier fichier est joué et puis j'ai cette erreur:

android.app.SuperNotCalledException: Activity {com.example.mediaplayer/com.example.mediaplayer.MainActivity} did not call through to super.onCreate()

Code:

package com.example.mediaplayer;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.apache.commons.io.IOUtils;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.widget.Button;
public class MainActivity extends Activity {     
private MediaPlayer mp;    
private static final String MAIN_TAG ="ERROR";
@Override
protected void onCreate(Bundle savedInstanceState) {
try {
//final String file_loc= Environment.getExternalStorageDirectory().toString();
//Log.i("location",file_loc);
ZipFile zip = new ZipFile("/storage/emulated/0/AjeshDocument/sample.zip");
for(int i=1;i<7;i++){
ZipEntry entry = zip.getEntry("sample/rihanna_"+i+".mp3");                        
if (entry != null) {
InputStream in = zip.getInputStream(entry);
//see Note #3.
File tempFile = File.createTempFile("_AUDIO_", ".wav");
FileOutputStream out = new FileOutputStream(tempFile);
IOUtils.copy(in, out);
//do something with tempFile (like play it)
File f = tempFile;   
try {
if (f.exists())
{
Log.i(MAIN_TAG,"Audio file found!");
MediaPlayer mp = new MediaPlayer();
FileInputStream fis = new FileInputStream(f);
mp.setDataSource(fis.getFD());
mp.prepare();
//mp.setLooping(false);
mp.start();                         
//mp.stop();
//mp.release();
Log.i(MAIN_TAG,"Pronounciation finished!");
}  
else
{
Log.i(MAIN_TAG,"File doesn't exist!!");
}
}
catch (IOException e)
{
Log.i(MAIN_TAG,e.toString());
}
}
else {
//no such entry in the zip
}
} //for end
mp.release();
}  
catch (Exception e) {
//handle your exception cases...
Log.i(MAIN_TAG,e.toString());
}       
}
@Override
protected void onResume() {
Log.w("Info", "App Resume");
super.onResume();
}
@Override
protected void onStop() {
Log.w("Info", "App stopped");
super.onStop();
}
@Override
protected void onDestroy() {
Log.w("Info", "App destoryed");
super.onDestroy();
}
}
InformationsquelleAutor azesh | 2014-05-25