錄音問題的android

我devlope應用，我可以錄製音頻，並將其存儲在SD卡，但這裏提出一些問題，這是我在這裏提到::也迷惑在這行AudioRecorder2 au = new AudioRecorder2("");是我可以設置哪些路徑？錄音問題的android

第三更新::

logcat的::

10-25 11:55:07.726: ERROR/AndroidRuntime(751): Uncaught handler: thread main exiting due to uncaught exception 
10-25 11:55:07.736: ERROR/AndroidRuntime(751): java.lang.IllegalStateException 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.media.MediaRecorder.start(Native Method) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.testAudio.testAudio1.startRecording(testAudio1.java:74) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.testAudio.testAudio1.onRecord(testAudio1.java:31) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.testAudio.testAudio1.access$0(testAudio1.java:29) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.testAudio.testAudio1$RecordButton$1.onClick(testAudio1.java:88) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.View.performClick(View.java:2179) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.View.onTouchEvent(View.java:3828) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.widget.TextView.onTouchEvent(TextView.java:6291) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.View.dispatchTouchEvent(View.java:3368) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1707) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1197) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.app.Activity.dispatchTouchEvent(Activity.java:1993) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1691) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.view.ViewRoot.handleMessage(ViewRoot.java:1525) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.os.Handler.dispatchMessage(Handler.java:99) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.os.Looper.loop(Looper.java:123) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at android.app.ActivityThread.main(ActivityThread.java:3948) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at java.lang.reflect.Method.invokeNative(Native Method) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at java.lang.reflect.Method.invoke(Method.java:521) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 
10-25 11:55:07.736: ERROR/AndroidRuntime(751):  at dalvik.system.NativeStart.main(Native Method)

主要活動：

package com.testAudio; 

import java.io.IOException; 

import android.app.Activity; 
import android.content.Context; 
import android.media.MediaPlayer; 
import android.media.MediaRecorder; 
import android.os.Bundle; 
import android.os.Environment; 
import android.util.Log; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.Button; 
import android.widget.LinearLayout; 


public class testAudio1 extends Activity 
{ 
    private static final String LOG_TAG = "AudioRecordTest"; 
    private static String mFileName = null; 

    private RecordButton mRecordButton = null; 
    private MediaRecorder mRecorder = null; 

    private PlayButton mPlayButton = null; 
    private MediaPlayer mPlayer = null; 

    private void onRecord(boolean start) { 
     if (start) { 
      startRecording(); 
     } else { 
      stopRecording(); 
     } 
    } 

    private void onPlay(boolean start) { 
     if (start) { 
      startPlaying(); 
     } else { 
      stopPlaying(); 
     } 
    } 

    private void startPlaying() { 
     mPlayer = new MediaPlayer(); 
     try { 
      mPlayer.setDataSource(mFileName); 
      mPlayer.prepare(); 
      mPlayer.start(); 
     } catch (IOException e) { 
      Log.e(LOG_TAG, "prepare() failed"); 
     } 
    } 

    private void stopPlaying() { 
     mPlayer.release(); 
     mPlayer = null; 
    } 

    private void startRecording() { 
     mRecorder = new MediaRecorder(); 
     mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); 
     mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
     mRecorder.setOutputFile(mFileName); 
     mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 

     try { 
      mRecorder.prepare(); 
     } catch (IOException e) { 
      Log.e(LOG_TAG, "prepare() failed"); 
     } 

     mRecorder.start(); 
    } 

    private void stopRecording() { 
     mRecorder.stop(); 
     mRecorder.release(); 
     mRecorder = null; 
    } 

    class RecordButton extends Button { 
     boolean mStartRecording = true; 

     OnClickListener clicker = new OnClickListener() { 
      public void onClick(View v) { 
       onRecord(mStartRecording); 
       if (mStartRecording) { 
        setText("Stop recording"); 
       } else { 
        setText("Start recording"); 
       } 
       mStartRecording = !mStartRecording; 
      } 
     }; 

     public RecordButton(Context ctx) { 
      super(ctx); 
      setText("Start recording"); 
      setOnClickListener(clicker); 
     } 
    } 

    class PlayButton extends Button { 
     boolean mStartPlaying = true; 

     OnClickListener clicker = new OnClickListener() { 
      public void onClick(View v) { 
       onPlay(mStartPlaying); 
       if (mStartPlaying) { 
        setText("Stop playing"); 
       } else { 
        setText("Start playing"); 
       } 
       mStartPlaying = !mStartPlaying; 
      } 
     }; 

     public PlayButton(Context ctx) { 
      super(ctx); 
      setText("Start playing"); 
      setOnClickListener(clicker); 
     } 
    } 

    public testAudio1() { 
     mFileName = Environment.getExternalStorageDirectory().getAbsolutePath(); 
     mFileName += "/audiorecordtest.3gp"; 
    } 

    @Override 
    public void onCreate(Bundle icicle) { 
     super.onCreate(icicle); 

     LinearLayout ll = new LinearLayout(this); 
     mRecordButton = new RecordButton(this); 
     ll.addView(mRecordButton, 
      new LinearLayout.LayoutParams(
       ViewGroup.LayoutParams.WRAP_CONTENT, 
       ViewGroup.LayoutParams.WRAP_CONTENT, 
       0)); 
     mPlayButton = new PlayButton(this); 
     ll.addView(mPlayButton, 
      new LinearLayout.LayoutParams(
       ViewGroup.LayoutParams.WRAP_CONTENT, 
       ViewGroup.LayoutParams.WRAP_CONTENT, 
       0)); 
     setContentView(ll); 
    } 

    @Override 
    public void onPause() { 
     super.onPause(); 
     if (mRecorder != null) { 
      mRecorder.release(); 
      mRecorder = null; 
     } 

     if (mPlayer != null) { 
      mPlayer.release(); 
      mPlayer = null; 
     } 
    } 
}

艙單

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
     package="com.testAudio" 
     android:versionCode="1" 
     android:versionName="1.0"> 
    <uses-sdk android:minSdkVersion="3" /> 
    <uses-permission android:name="android.permission.RECORD_AUDIO"></uses-permission> 
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission> 

    <application android:icon="@drawable/icon" android:label="@string/app_name"> 
     <activity android:name=".testAudio1" 
        android:label="@string/app_name"> 
      <intent-filter> 
       <action android:name="android.intent.action.MAIN" /> 
       <category android:name="android.intent.category.LAUNCHER" /> 
      </intent-filter> 
     </activity> 

    </application> 
</manifest>

來源

2011-10-25 Nikunj Patel

從你的這個異常：

10-25 10:33:21.063: ERROR/AndroidRuntime(783): Caused by: java.lang.ClassNotFoundException: com.ShaneshRecording.ShaneshRecording in loader [email protected] 
10-25 10:33:21.063: ERROR/AndroidRuntime(783):  at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) 
10-25 10:33:21.063: ERROR/AndroidRuntime(783):  at java.lang.ClassLoader.loadClass(ClassLoader.java:573) 
10-25 10:33:21.063: ERROR/AndroidRuntime(783):  at java.lang.ClassLoader.loadClass(ClassLoader.java:532) 
10-25 10:33:21.063: ERROR/AndroidRuntime(783):  at android.app.Instrumentation.newActivity(Instrumentation.java:1097) 
10-25 10:33:21.063: ERROR/AndroidRuntime(783):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2186) 
10-

此異常說，一流的缺失在運行時加載，所以我敢肯定你已經定義android:name屬性在AndroidManifest.xml文件中<application>標籤。

如果定義了這個屬性然後將其刪除並重新進行檢查。

來源

2011-10-25 05:36:30

@ Dr.nik我無法找到它了你究竟是什麼更新？ –

在這裏發佈你的清單xml代碼 –

沒有它沒有解決。 –

錄音問題的android

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