android camera preview方向
16lz
2021-01-23
在surfacechange中执行:
int mDisplayRotation = 0;int mDisplayOrientation = getWindowManager().getDefaultDisplay().getRotation() * 90;CameraInfo mCameraInfo = new CameraInfo();Camera.getCameraInfo(Camera.CameraInfo.CAMERA_FACING_BACK, mCameraInfo);int mCameraOrientation = mCameraInfo.orientation;if (mCameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) {mDisplayRotation = (mCameraOrientation - mDisplayOrientation + 360) % 360;} else {mDisplayRotation = (mCameraOrientation + mDisplayOrientation) % 360;mDisplayRotation = (360 - mDisplayRotation) % 360;}mCamera.setDisplayOrientation(mDisplayRotation);
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