按钮单击强制关闭应用程序

-2

每当我单击按钮1时，应用程序崩溃（强制关闭）。我无法弄清楚原因。将目录更改为Environment.getExternalStorageDirectory（）。getAbsolutePath（）+“/ test.3gp”也不起作用。的代码是：按钮单击强制关闭应用程序

package com.example.newaa; 
import java.io.IOException; 
import android.os.Environment; 

import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.media.MediaRecorder; 
import android.os.Bundle; 
import android.widget.Button; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.os.Bundle; 
import android.annotation.SuppressLint; 
import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.Button; 
import android.widget.Toast; 
import android.support.v4.app.NavUtils; 
import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.os.Bundle; 
import android.widget.Button; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.os.Bundle; 
import android.widget.Button; 
import android.view.View; 
import android.view.View.OnClickListener; 

import android.os.Bundle; 

public class Record extends Activity{ 
    Button btn1,btn2; 
    MediaRecorder recorder; 
    public void onCreate(Bundle savedInstanceState) { 
      super.onCreate(savedInstanceState); 
      setContentView(R.layout.record); 
      btn1=(Button)findViewById(R.id.button1); 
      btn2=(Button)findViewById(R.id.button2); 
      btn1.setOnClickListener(new View.OnClickListener() { 

       @Override 
       public void onClick(View v) { 
        // TODO Auto-generated method stub 
        recorder = new MediaRecorder(); 

        recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 
        recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
        recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 
        recorder.setOutputFile(Environment.getExternalStorageDirectory().getAbsolutePath()+"/test.3gp"); 
        //recorder.setOutputFile("file:///sdcard/sample.3gp"); 

       // recorder.setOnErrorListener(errorListener); 
        //recorder.setOnInfoListener(infoListener); 

        try { 
         recorder.prepare(); 
         recorder.start(); 
        } catch (IllegalStateException e) { 
         e.printStackTrace(); 
        } catch (IOException e) { 
         e.printStackTrace(); 
        } 
       } 
      }); 
      btn2.setOnClickListener(new View.OnClickListener() { 

       @Override 
       public void onClick(View v) { 
        // TODO Auto-generated method stub 
        recorder.stop(); 
        recorder.reset(); 
        recorder.release(); 

        recorder = null; 
       } 
      }); 
    } 

}

的logcat的是

07-05 11:36:35.050: E/AndroidRuntime(220): Uncaught handler: thread main exiting due to 
uncaught exception 
07-05 11:36:35.070: E/AndroidRuntime(220): java.lang.RuntimeException: setAudioSource failed. 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.media.MediaRecorder.setAudioSource(Native Method) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.example.newaa.Record$1.onClick(Record.java:56) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.View.performClick(View.java:2364) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.View.onTouchEvent(View.java:4179) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.widget.TextView.onTouchEvent(TextView.java:6541) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.View.dispatchTouchEvent(View.java:3709) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.os.Handler.dispatchMessage(Handler.java:99) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.os.Looper.loop(Looper.java:123) 
07-05 11:36:35.070: E/AndroidRuntime(220): at android.app.ActivityThread.main(ActivityThread.java:4363) 
07-05 11:36:35.070: E/AndroidRuntime(220): at java.lang.reflect.Method.invokeNative(Native Method) 
07-05 11:36:35.070: E/AndroidRuntime(220): at java.lang.reflect.Method.invoke(Method.java:521) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 
07-05 11:36:35.070: E/AndroidRuntime(220): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
07-05 11:36:35.070: E/AndroidRuntime(220): at dalvik.system.NativeStart.main(Native Method)

来源

2012-07-05 Aakash Anuj

请确保您有'<机器人：名字= “android.permission.RECORD_AUDIO”>'在manifast.xml –

在清单文件中给出 – RAAAAM