如何记录和保存，并在Android中播放视频 [英] How to record and save and play a video in Android

问题描述

它可能看起来像一个愚蠢的或旧的问题，但我不能够找到从previous问题适当的解决方案。所以，请尝试在一个简单的和理解的方式来回答。
我在Android的初学者。我试图让一个应用程序中，我可以使用摄像头的Andr​​oid手机上录制视频。我想保存在SD卡上的视频，所以我可以再次播放视频。我走过整个的previous的问题和可能的答案和谷歌也看了，但不能这样做。
任何帮助鸭preciated。 :)
这是我的资料来源$ C ​​$ C

it may seem like a stupid or old question but am not able to find an appropriate solution from previous questions. So please try to answer in a easy and understanding way. I am a beginner in Android. I am trying to make an app in which i can record video using camera on Android phone. I want to save that video on sd card so i can play again that video. I have looked through whole of the previous questions and possible answers and on Google also but couldn't do it. Any Help Appreciated. :) Here is my Source code

public class Camcorder extends Activity {

     private CamcorderView camcorderView; 
     private boolean recording = false; 

     /** Called when the activity is first created. */ 
     @Override 
     public void onCreate(Bundle savedInstanceState) { 
          super.onCreate(savedInstanceState); 
          requestWindowFeature(Window.FEATURE_NO_TITLE); 
          setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 
          setContentView(R.layout.camcorder_preview); 

          setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
          camcorderView = (CamcorderView) findViewById(R.id.camcorder_preview); 
     } 

     @Override 
     public boolean onKeyDown(int keyCode, KeyEvent event) 
     { 
         if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) 
         { 
          if (recording) { 
                camcorderView.stopRecording();
                finish(); 
            } else { 
                recording = true; 
                camcorderView.startRecording(); 
            } 
             return true; 
         } 
         return super.onKeyDown(keyCode, event); 
     }       
}

现在，这是CamcorderView类的源$ C ​​$ C

Now this is the source code of CamcorderView class

public class CamcorderView extends SurfaceView implements
    SurfaceHolder.Callback {

MediaRecorder recorder;
SurfaceHolder holder;
String outputFile = "/sdcard/default.mp4";

public CamcorderView(Context context, AttributeSet attrs) {
    super(context, attrs);

    holder = getHolder();
    holder.addCallback(this);
    holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    recorder = new MediaRecorder();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    recorder.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP);
    // recorder.setVideoSize(480, 320);
    // recorder.setVideoFrameRate(15);
    // recorder.setMaxDuration(10000);
}

public void surfaceCreated(SurfaceHolder holder) {
    recorder.setOutputFile(outputFile);
    recorder.setPreviewDisplay(holder.getSurface());
    if (recorder != null) {
        try {
            recorder.prepare();
        } catch (IllegalStateException e) {
            Log.e("IllegalStateException", e.toString());
        } catch (IOException e) {
            Log.e("IOException", e.toString());
        }
    }
}

public void surfaceChanged(SurfaceHolder holder, int format, int width,
        int height) {
}

public void surfaceDestroyed(SurfaceHolder holder) {
}

public void setOutputFile(String filename)
{
    outputFile = filename;
    recorder.setOutputFile(filename);
}

public void startRecording()
{
    recorder.start();
}

public void stopRecording()
{
    recorder.stop();
    recorder.release();
}

}

推荐答案

嘿，我想你没有尝试这一个。所以请检查该链接，如果您有任何问题，然后让我知道
录像例如

hey i think you didn't try this one. so please check this link and if you have any problem then let me know video recording example

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