在Android中调用图片、视频、音频、录音、拍照

       //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/*";

　　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);

　　//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);