1 /* 2 * Copyright (C) 2010 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.resources; 18 19 20 /** 21 * Density enum. 22 * <p/>This is used in the manifest in the uses-configuration node and in the resource folder names 23 * as well as other places needing to know the density values. 24 */ 25 public enum Density implements ResourceEnum { 26 XXHIGH("xxhdpi", "XX-High Density", 480, 16), //$NON-NLS-1$ 27 XHIGH("xhdpi", "X-High Density", 320, 8), //$NON-NLS-1$ 28 HIGH("hdpi", "High Density", 240, 4), //$NON-NLS-1$ 29 TV("tvdpi", "TV Density", 213, 13), //$NON-NLS-1$ 30 MEDIUM("mdpi", "Medium Density", 160, 4), //$NON-NLS-1$ 31 LOW("ldpi", "Low Density", 120, 4), //$NON-NLS-1$ 32 NODPI("nodpi", "No Density", 0, 4); //$NON-NLS-1$ 33 34 public final static int DEFAULT_DENSITY = 160; 35 36 private final String mValue; 37 private final String mDisplayValue; 38 private final int mDensity; 39 private final int mSince; 40 Density(String value, String displayValue, int density, int since)41 private Density(String value, String displayValue, int density, int since) { 42 mValue = value; 43 mDisplayValue = displayValue; 44 mDensity = density; 45 mSince = since; 46 } 47 48 /** 49 * Returns the enum matching the provided qualifier value. 50 * @param value The qualifier value. 51 * @return the enum for the qualifier value or null if no match was found. 52 */ getEnum(String value)53 public static Density getEnum(String value) { 54 for (Density orient : values()) { 55 if (orient.mValue.equals(value)) { 56 return orient; 57 } 58 } 59 60 return null; 61 } 62 63 /** 64 * Returns the enum matching the given density value 65 * @param value The density value. 66 * @return the enum for the density value or null if no match was found. 67 */ getEnum(int value)68 public static Density getEnum(int value) { 69 for (Density d : values()) { 70 if (d.mDensity == value) { 71 return d; 72 } 73 } 74 75 return null; 76 } 77 78 @Override getResourceValue()79 public String getResourceValue() { 80 return mValue; 81 } 82 getDpiValue()83 public int getDpiValue() { 84 return mDensity; 85 } 86 since()87 public int since() { 88 return mSince; 89 } 90 getLegacyValue()91 public String getLegacyValue() { 92 if (this != NODPI) { 93 return String.format("%1$ddpi", getDpiValue()); 94 } 95 96 return ""; 97 } 98 99 @Override getShortDisplayValue()100 public String getShortDisplayValue() { 101 return mDisplayValue; 102 } 103 104 @Override getLongDisplayValue()105 public String getLongDisplayValue() { 106 return mDisplayValue; 107 } 108 getIndex(Density value)109 public static int getIndex(Density value) { 110 int i = 0; 111 for (Density input : values()) { 112 if (value == input) { 113 return i; 114 } 115 116 i++; 117 } 118 119 return -1; 120 } 121 getByIndex(int index)122 public static Density getByIndex(int index) { 123 int i = 0; 124 for (Density value : values()) { 125 if (i == index) { 126 return value; 127 } 128 i++; 129 } 130 return null; 131 } 132 133 @Override isFakeValue()134 public boolean isFakeValue() { 135 return false; 136 } 137 138 @Override isValidValueForDevice()139 public boolean isValidValueForDevice() { 140 return this != NODPI; // nodpi is not a valid config for devices. 141 } 142 } 143