Java tutorial
//package com.java2s; /* * Copyright (C) 2015 Hippo Seven * * 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. */ import android.content.res.ColorStateList; import android.graphics.Color; import android.graphics.PorterDuff; import android.graphics.PorterDuffColorFilter; import android.graphics.drawable.Drawable; public class Main { /** * Ensures the tint filter is consistent with the current tint color and * mode. */ public static PorterDuffColorFilter updateTintFilter(Drawable drawable, PorterDuffColorFilter tintFilter, ColorStateList tint, PorterDuff.Mode tintMode) { if (tint == null || tintMode == null) { return null; } final int color = tint.getColorForState(drawable.getState(), Color.TRANSPARENT); return new PorterDuffColorFilter(color, tintMode); } }