我正在尝试开发照相机视图,并使用这两种方法在onSurfaceChanged
中设置照相机参数
拍摄的画面是在风景mode.askdnlakncjkcxjkbzjkcxbzjxcbkjzdncjasndjcnadsjknajdnjansdjandueiyqweufwieufwefnjdfnsjdfnjsdnfjdnfjdnfjdfnjdfnjdnfjdfnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
告诉我我在这里做错了。 我正在拍照并在其他活动中显示它。
/**
* Display orientation for Camera is Set so that the view is Rotated when device rotates
*
* @param activity
* Activity Context
* @param cameraId
* Camera type Front or Back{@link CameraInfo}
* @param camera
* Camera instance
* */
private void setCameraDisplayOrientation(Activity activity,
int cameraId, android.hardware.Camera camera) {
android.hardware.Camera.CameraInfo info =
new android.hardware.Camera.CameraInfo();
android.hardware.Camera.getCameraInfo(cameraId, info);
int rotation = activity.getWindowManager().getDefaultDisplay()
.getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
int result;
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
result = (info.orientation + degrees) % 360;
result = (360 - result) % 360; // compensate the mirror
} else { // back-facing
result = (info.orientation - degrees + 360) % 360;
}
camera.setDisplayOrientation(result);
}
/**
* Calculate picture Rotation
*
* @param activity
* Activity Context
* @param cameraId
* Camera type Front or Back{@link CameraInfo}
* @param camera
* Camera instance
*
* @return Rotation require For image depending upon the orientation
* */
private int calculateCameraPictureRotation(Activity activity, Camera camera, int cameraId) {
int orientation = activity.getWindowManager().getDefaultDisplay()
.getRotation();
int degrees = 0;
switch (orientation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
android.hardware.Camera.CameraInfo info =
new android.hardware.Camera.CameraInfo();
android.hardware.Camera.getCameraInfo(cameraId, info);
orientation = (degrees + 45) / 90 * 90;
int rotation = 0;
if (info.facing == CameraInfo.CAMERA_FACING_FRONT) {
rotation = (info.orientation - orientation + 360) % 360;
} else { // back-facing camera
rotation = (info.orientation + orientation) % 360;
}
return rotation ;
}