android 驱动闪光灯

最新推荐文章于 2022-10-30 20:31:23 发布

卖火柴的小男孩2020

最新推荐文章于 2022-10-30 20:31:23 发布

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分类专栏：闪光灯

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public class ledFlash {
    Context context;
    CameraManager mCameraManager;
    String mCameraID;
    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    ledFlash(Context context){
        this.context = context;
        mCameraManager = (CameraManager)context.getSystemService(Context.CAMERA_SERVICE);
        try {
            final String[] list = mCameraManager.getCameraIdList();
            mCameraID = list[0];
        } catch (CameraAccessException e) {
            Toast.makeText(context, e.getMessage(), Toast.LENGTH_SHORT).show();
        }
    }


    @RequiresApi(api = Build.VERSION_CODES.M)
    public void toggle(boolean enable)
    {
        try {
            mCameraManager.setTorchMode(mCameraID, enable);
        }catch (Exception e)
        {
            Toast.makeText(context, e.getMessage(), Toast.LENGTH_SHORT).show();
        }
    }
}