Intent 获取视频，音频等

//选择图片 requestCode 返回的标识 

           Intent innerIntent = new Intent(Intent.ACTION_GET_CONTENT); //"android.intent.action.GET_CONTENT" 

            innerIntent.setType(contentType);    //查看类型 String IMAGE_UNSPECIFIED = "image/*"; 详细的类型在 com.google.android.mms.ContentType 中 

            Intent wrapperIntent = Intent.createChooser(innerIntent, null); 

            ((Activity) context).startActivityForResult(wrapperIntent, requestCode); 

          //视频 
           Intent innerIntent = new Intent(Intent.ACTION_GET_CONTENT); 

            innerIntent.setType(contentType);    //String VIDEO_UNSPECIFIED = "video/*"; 

            Intent wrapperIntent = Intent.createChooser(innerIntent, null); 

            ((Activity) context).startActivityForResult(wrapperIntent, requestCode); 
        //添加音频 
          Intent innerIntent = new Intent(Intent.ACTION_GET_CONTENT); 
            innerIntent.setType(contentType); //String VIDEO_UNSPECIFIED = "video/*"; 
            Intent wrapperIntent = Intent.createChooser(innerIntent, null); 
            ((Activity) context).startActivityForResult(wrapperIntent, requestCode); 
       //录音 
          Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
            intent.setType(ContentType.AUDIO_AMR); //String AUDIO_AMR         = "audio/amr"; 
            intent.setClassName("com.android.soundrecorder", 
                    "com.android.soundrecorder.SoundRecorder"); 
            ((Activity) context).startActivityForResult(intent, requestCode); 

//幻灯片头大 不做详细 


     //拍摄视频 
      int durationLimit = getVideoCaptureDurationLimit();   //SystemProperties.getInt("ro.media.enc.lprof.duration", 60); 
       Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); 
       intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); 
                                intent.putExtra(MediaStore.EXTRA_SIZE_LIMIT, sizeLimit); 
                                intent.putExtra(MediaStore.EXTRA_DURATION_LIMIT, durationLimit); 
                                startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO); 


       //拍照 REQUEST_CODE_TAKE_PICTURE 为返回的标识 
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);               //"android.media.action.IMAGE_CAPTURE"; 
        intent.putExtra(MediaStore.EXTRA_OUTPUT, Mms.ScrapSpace.CONTENT_URI);     // output,Uri.parse("content://mms/scrapSpace"); 
        startActivityForResult(intent, REQUEST_CODE_TAKE_PICTURE);