1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3; 18 19 import android.content.res.Resources; 20 import android.util.DisplayMetrics; 21 import android.util.TypedValue; 22 23 public class ResourceUtils { 24 public static final int DEFAULT_NAVBAR_VALUE = 48; 25 public static final int INVALID_RESOURCE_HANDLE = -1; 26 public static final String NAVBAR_LANDSCAPE_LEFT_RIGHT_SIZE = "navigation_bar_width"; 27 public static final String NAVBAR_BOTTOM_GESTURE_SIZE = "navigation_bar_gesture_height"; 28 public static final String NAVBAR_BOTTOM_GESTURE_LARGER_SIZE = 29 "navigation_bar_gesture_larger_height"; 30 getNavbarSize(String resName, Resources res)31 public static int getNavbarSize(String resName, Resources res) { 32 return getDimenByName(resName, res, DEFAULT_NAVBAR_VALUE); 33 } 34 getDimenByName(String resName, Resources res, int defaultValue)35 public static int getDimenByName(String resName, Resources res, int defaultValue) { 36 final int frameSize; 37 final int frameSizeResID = res.getIdentifier(resName, "dimen", "android"); 38 if (frameSizeResID != 0) { 39 frameSize = res.getDimensionPixelSize(frameSizeResID); 40 } else { 41 frameSize = pxFromDp(defaultValue, res.getDisplayMetrics()); 42 } 43 return frameSize; 44 } 45 getBoolByName(String resName, Resources res, boolean defaultValue)46 public static boolean getBoolByName(String resName, Resources res, boolean defaultValue) { 47 final boolean val; 48 final int resId = res.getIdentifier(resName, "bool", "android"); 49 if (resId != 0) { 50 val = res.getBoolean(resId); 51 } else { 52 val = defaultValue; 53 } 54 return val; 55 } 56 getIntegerByName(String resName, Resources res, int defaultValue)57 public static int getIntegerByName(String resName, Resources res, int defaultValue) { 58 int resId = res.getIdentifier(resName, "integer", "android"); 59 return resId != 0 ? res.getInteger(resId) : defaultValue; 60 } 61 pxFromDp(float size, DisplayMetrics metrics)62 public static int pxFromDp(float size, DisplayMetrics metrics) { 63 return pxFromDp(size, metrics, 1f); 64 } 65 pxFromDp(float size, DisplayMetrics metrics, float scale)66 public static int pxFromDp(float size, DisplayMetrics metrics, float scale) { 67 return size < 0 ? INVALID_RESOURCE_HANDLE : Math.round(scale 68 * TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, size, metrics)); 69 } 70 } 71