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我用下面的代碼與攝像頭的工作:如何檢查當前設備上是否有前置攝像頭?
mMediaRecorderVideo=new MediaRecorder();
mCamera=Camera.open();
mCamera.setDisplayOrientation(90);
mCamera.unlock();
mMediaRecorderVideo.setCamera(mCamera);
mMediaRecorderVideo.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
mMediaRecorderVideo.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
mMediaRecorderVideo.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
所以,我用設備的默認的攝像頭,但我需要設置前置攝像頭,如果有可能。請告訴我,我該如何檢查它?