Android VideoRecording 오류, 파일 경로를 만들 수 없습니다.

Question

java.lang.IOException, 파일 경로를 만들 수 없습니다. 내 캐치가 작동하지 않는 이유는 무엇입니까?

임이 오류가 메신저, 내가 파일을 만드는 것)을 setOutputFile을 (가정 왜 어떤 도움이 DDMS

에 몇 가지 오류가 있기 때문에이 내 viderecorder 클래스입니다, 감사

.. 확실하지 이 내 주요 활동

package com.sg86.quickrecord; 

    import java.io.File; 
    import java.io.IOException; 

    import android.media.MediaRecorder; 
    import android.os.Environment; 

    public class VideoRecorder { 

    final MediaRecorder recorder = new MediaRecorder(); 
    final String path; 

    /** 
    * create a new video recording stored in SDcard Root 
    */ 
public VideoRecorder(String path) { 
    this.path = organisePath(path); 
    } 

private String organisePath(String path) { 
    if (!path.startsWith("/")) { 
    path = "/" + path; 
    } 
    if (!path.contains(".")) { 
     path += ".3gp"; 
    } 
    return Environment.getExternalStorageDirectory().getAbsolutePath() + path; 
    } 
    public void start() throws IOException { 
    String state = android.os.Environment.getExternalStorageState(); 
     if(!state.equals(android.os.Environment.MEDIA_MOUNTED)) { 
      throw new IOException("SD Card is not mounted. It is " + state + "."); 
     } 

     // make sure the directory we plan to store the recording in exists 
     File directory = new File(path).getParentFile(); 
     if (!directory.exists() && !directory.mkdirs()) { 
      throw new IOException("Path to file could not be created."); 
     } 
     recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); 
     recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
     recorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264); 
     recorder.setOutputFile(path); 
     recorder.prepare(); 
     recorder.start(); 
    } 
    public void stop() throws IOException { 
     recorder.stop(); 
     recorder.release(); 
    } 
} 

입니다

package com.sg86.quickrecord; 

import java.io.File; 
import java.io.IOException; 
import java.lang.IllegalStateException; 

import android.app.Activity; 
import android.media.MediaRecorder; 
import android.os.Bundle; 
import android.os.Environment; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 

@SuppressWarnings("unused") 
public class QuickRecord extends Activity { 

public static final String WRITE_EXTERNAL_STORAGE = "android.permission.WRITE_EXTERNAL_STORAGE"; 

    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.main); 

     Button recordBtn = (Button) findViewById(R.id.button01); 
     Button stopBtn = (Button) findViewById(R.id.button02); 
     final VideoRecorder record = new VideoRecorder("/QuickRecord/recording"); 

     recordBtn.setOnClickListener(new OnClickListener() { 
    public void onClick(View v) { 
    // TODO Auto-generated method stub 
    try { 
    record.start(); 
    } catch (IOException e) { 
    // TODO Auto-generated catch block 
    e.printStackTrace(); 
    } 
    } 
    }); 

     stopBtn.setOnClickListener(new OnClickListener() { 
    public void onClick(View v) { 
    try { 
    record.stop(); 
    } catch (IOException e) { 
    // TODO Auto-generated catch block 
    e.printStackTrace(); 
    } 
    } 
    }); 

    } 
} 

,536,

Answer 1

AndroidManifest.xml 파일에 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />을 추가 했습니까?

자세한 내용은 Security and Permissions을 참조하십시오.