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 XHIGH("xhdpi", "X-High Density", 320), //$NON-NLS-1$ 27 HIGH("hdpi", "High Density", 240), //$NON-NLS-1$ 28 TV("tvdpi", "TV Density", 213), //$NON-NLS-1$ 29 MEDIUM("mdpi", "Medium Density", 160), //$NON-NLS-1$ 30 LOW("ldpi", "Low Density", 120), //$NON-NLS-1$ 31 NODPI("nodpi", "No Density", 0); //$NON-NLS-1$ 32 33 public final static int DEFAULT_DENSITY = 160; 34 35 private final String mValue; 36 private final String mDisplayValue; 37 private final int mDensity; 38 Density(String value, String displayValue, int density)39 private Density(String value, String displayValue, int density) { 40 mValue = value; 41 mDisplayValue = displayValue; 42 mDensity = density; 43 } 44 45 /** 46 * Returns the enum matching the provided qualifier value. 47 * @param value The qualifier value. 48 * @return the enum for the qualifier value or null if no match was found. 49 */ getEnum(String value)50 public static Density getEnum(String value) { 51 for (Density orient : values()) { 52 if (orient.mValue.equals(value)) { 53 return orient; 54 } 55 } 56 57 return null; 58 } 59 60 /** 61 * Returns the enum matching the given density value 62 * @param value The density value. 63 * @return the enum for the density value or null if no match was found. 64 */ getEnum(int value)65 public static Density getEnum(int value) { 66 for (Density d : values()) { 67 if (d.mDensity == value) { 68 return d; 69 } 70 } 71 72 return null; 73 } 74 getResourceValue()75 public String getResourceValue() { 76 return mValue; 77 } 78 getDpiValue()79 public int getDpiValue() { 80 return mDensity; 81 } 82 getLegacyValue()83 public String getLegacyValue() { 84 if (this != NODPI) { 85 return String.format("%1$ddpi", getDpiValue()); 86 } 87 88 return ""; 89 } 90 getShortDisplayValue()91 public String getShortDisplayValue() { 92 return mDisplayValue; 93 } 94 getLongDisplayValue()95 public String getLongDisplayValue() { 96 return mDisplayValue; 97 } 98 getIndex(Density value)99 public static int getIndex(Density value) { 100 int i = 0; 101 for (Density input : values()) { 102 if (value == input) { 103 return i; 104 } 105 106 i++; 107 } 108 109 return -1; 110 } 111 getByIndex(int index)112 public static Density getByIndex(int index) { 113 int i = 0; 114 for (Density value : values()) { 115 if (i == index) { 116 return value; 117 } 118 i++; 119 } 120 return null; 121 } 122 isFakeValue()123 public boolean isFakeValue() { 124 return false; 125 } 126 isValidValueForDevice()127 public boolean isValidValueForDevice() { 128 return this != NODPI; // nodpi is not a valid config for devices. 129 } 130 } 131