private void updateCameraParametersPreference() {
// Set picture size.
String pictureSize = mPreferences.getString(KEY_PICTURE_SIZE, null);
if (pictureSize == null) {
initialCameraPictureSize(this, mParameters);
} else {
List<Size> supported = mParameters.getSupportedPictureSizes();
setCameraPictureSize(pictureSize, supported, mParameters);
}
// Set the preview frame aspect ratio according to the picture size.
Size size = mParameters.getPictureSize();
PreviewFrameLayout frameLayout = (PreviewFrameLayout) findViewById(R.id.frame_layout);
frameLayout.setAspectRatio((double) size.width / size.height);
// Set a preview size that is closest to the viewfinder height and has
// the right aspect ratio.
List<Size> sizes = mParameters.getSupportedPreviewSizes();
Size optimalSize = getOptimalPreviewSize(sizes, (double) size.width / size.height);
if (optimalSize != null) {
mParameters.setPreviewSize(optimalSize.width, optimalSize.height);
}
mParameters.setJpegQuality(85);
updateFlashModeParameter();
}
public static List<Camera.Size> getResolutionList(Camera camera) {
Parameters parameters = camera.getParameters();
List<Camera.Size> previewSizes = parameters.getSupportedPreviewSizes();
return previewSizes;
}
public void setCamera(Camera cameraObj) {
this.camera = cameraObj;
Parameters parameters = camera.getParameters();
supportedPreviewSizes = parameters.getSupportedPreviewSizes();
requestLayout();
}