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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.systemui;
import android.annotation.StyleRes;
import android.content.res.TypedArray;
import android.util.TypedValue;
import android.view.View;
import android.widget.TextView;
/**
* Utility class to update the font size when the configuration has changed.
*/
public final class FontSizeUtils {
private FontSizeUtils() {}
public static void updateFontSize(View parent, int viewId, int dimensId) {
updateFontSize((TextView) parent.findViewById(viewId), dimensId);
}
public static void updateFontSize(TextView v, int dimensId) {
if (v != null) {
v.setTextSize(TypedValue.COMPLEX_UNIT_PX,
v.getResources().getDimensionPixelSize(dimensId));
}
}
/**
* Updates the font size according to the style given.
*
* @param v Text to update.
* @param resId Style applying to the text.
*/
public static void updateFontSizeFromStyle(TextView v, @StyleRes int resId) {
int[] attrs = {android.R.attr.textSize};
int indexOfAttrTextSize = 0;
TypedArray ta = v.getContext().obtainStyledAttributes(resId, attrs);
int updatedTextPixelSize = ta.getDimensionPixelSize(indexOfAttrTextSize,
(int) v.getTextSize());
v.setTextSize(TypedValue.COMPLEX_UNIT_PX, updatedTextPixelSize);
ta.recycle();
}
}
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