android前置摄像头的调用

Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra("camerasensortype", 2); // 调用前置摄像头
intent.putExtra("autofocus", true); // 自动对焦
intent.putExtra("fullScreen", false); // 全屏
intent.putExtra("showActionIcons", false);
startActivityForResult(intent, 1);

int cameraCount = 0;
Camera cam = null;
Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
cameraCount = Camera.getNumberOfCameras(); // 摄像头数量

for ( int camIdx = 0; camIdx < cameraCount;camIdx++ ) {
Camera.getCameraInfo( camIdx, cameraInfo );
if ( cameraInfo.facing ==Camera.CameraInfo.CAMERA_FACING_FRONT ) { // 代表摄像头的方位，目前有定义值两个分别为CAMERA_FACING_FRONT前置和CAMERA_FACING_BACK后置
try {
cam = Camera.open( camIdx );
} catch (RuntimeExceptione) {
e.printStackTrace();
}
}