현재 어플을 하나 만들고 있습니다. 초보인지라 이렇게 질문 올립니다.

한 어플을 실행시키고 버튼을 누르면 패키지 명으로 다른 어플을 삭제하기를 구현하려고 하는중입니다.
(어플이 어플을 삭제)
검색해서 설치하는것을 찾아서 응용을 해보았는데요.. api도 볼줄 모르는 초보라 이렇게 질문올립니다.
public class apptest extends Activity {
 /** Called when the activity is first created. */
 Button button1;
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  
        button1 = (Button)findViewById(R.id.btn1);
        findViewById(R.id.btn1).setOnClickListener(mClick1);
}
    Button.OnClickListener mClick1 = new View.OnClickListener() {
   
   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    switch(v.getId()) {
    case R.id.btn1 :
     Intent intent = new Intent(Intent.ACTION_DELETE);
     intent.setPackage("app.test.test2"); 
     startActivity(intent);
//     finish();
    }
    
   }
  };
}

03-11 17:40:20.902: ERROR/AndroidRuntime(7936): FATAL EXCEPTION: main
03-11 17:40:20.902: ERROR/AndroidRuntime(7936): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.DELETE pkg=app.test.test2 }
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1408)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.app.Instrumentation.execStartActivity(Instrumentation.java:1378)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.app.Activity.startActivityForResult(Activity.java:2827)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.app.Activity.startActivity(Activity.java:2933)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at app.test.test.apptest$1.onClick(apptest.java:30)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.view.View.performClick(View.java:2538)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.view.View$PerformClick.run(View.java:9152)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.os.Handler.handleCallback(Handler.java:587)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.os.Handler.dispatchMessage(Handler.java:92)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.os.Looper.loop(Looper.java:123)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at android.app.ActivityThread.main(ActivityThread.java:3651)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at java.lang.reflect.Method.invokeNative(Native Method)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at java.lang.reflect.Method.invoke(Method.java:507)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-11 17:40:20.902: ERROR/AndroidRuntime(7936):     at dalvik.system.NativeStart.main(Native Method)
03-11 17:40:20.906: ERROR/(131): Dumpstate > /data/log/dumpstate_app_app_test_test_error









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