| /* |
| * Copyright (C) 2010 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.resources; |
| |
| |
| /** |
| * Density enum. |
| * <p/>This is used in the manifest in the uses-configuration node and in the resource folder names |
| * as well as other places needing to know the density values. |
| */ |
| public enum Density implements ResourceEnum { |
| XXXHIGH("xxxhdpi", "XXX-High Density", 640, 18), //$NON-NLS-1$ |
| DPI_560("560dpi", "560 DPI Density", 560, 1), //$NON-NLS-1$ |
| XXHIGH( "xxhdpi", "XX-High Density", 480, 16), //$NON-NLS-1$ |
| DPI_400("400dpi", "400 DPI Density", 400, 1), //$NON-NLS-1$ |
| XHIGH( "xhdpi", "X-High Density", 320, 8), //$NON-NLS-1$ |
| DPI_280("280dpi", "280 DPI Density", 280, 22), //$NON-NLS-1$ |
| HIGH( "hdpi", "High Density", 240, 4), //$NON-NLS-1$ |
| TV( "tvdpi", "TV Density", 213, 13), //$NON-NLS-1$ |
| MEDIUM( "mdpi", "Medium Density", 160, 4), //$NON-NLS-1$ |
| LOW( "ldpi", "Low Density", 120, 4), //$NON-NLS-1$ |
| ANYDPI( "anydpi", "Any Density", 0, 21), //$NON-NLS-1$ |
| NODPI( "nodpi", "No Density", 0, 4); //$NON-NLS-1$ |
| |
| public static final int DEFAULT_DENSITY = 160; |
| |
| private final String mValue; |
| private final String mDisplayValue; |
| private final int mDensity; |
| private final int mSince; |
| |
| Density(String value, String displayValue, int density, int since) { |
| mValue = value; |
| mDisplayValue = displayValue; |
| mDensity = density; |
| mSince = since; |
| } |
| |
| /** |
| * Returns the enum matching the provided qualifier value. |
| * @param value The qualifier value. |
| * @return the enum for the qualifier value or null if no match was found. |
| */ |
| public static Density getEnum(String value) { |
| for (Density orient : values()) { |
| if (orient.mValue.equals(value)) { |
| return orient; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the enum matching the given density value |
| * @param value The density value. |
| * @return the enum for the density value or null if no match was found. |
| */ |
| public static Density getEnum(int value) { |
| for (Density d : values()) { |
| if (d.mDensity == value) { |
| return d; |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public String getResourceValue() { |
| return mValue; |
| } |
| |
| public int getDpiValue() { |
| return mDensity; |
| } |
| |
| public int since() { |
| return mSince; |
| } |
| |
| public String getLegacyValue() { |
| if (this != NODPI && this != ANYDPI) { |
| return String.format("%1$ddpi", getDpiValue()); |
| } |
| |
| return ""; |
| } |
| |
| @Override |
| public String getShortDisplayValue() { |
| return mDisplayValue; |
| } |
| |
| @Override |
| public String getLongDisplayValue() { |
| return mDisplayValue; |
| } |
| |
| public static int getIndex(Density value) { |
| int i = 0; |
| for (Density input : values()) { |
| if (value == input) { |
| return i; |
| } |
| |
| i++; |
| } |
| |
| return -1; |
| } |
| |
| public static Density getByIndex(int index) { |
| Density[] values = values(); |
| if (index >=0 && index < values.length) { |
| return values[index]; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns true if this density is relevant for app developers (e.g. |
| * a density you should consider providing resources for) |
| */ |
| public boolean isRecommended() { |
| switch (this) { |
| case TV: |
| case DPI_280: |
| case DPI_400: |
| case DPI_560: |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| @Override |
| public boolean isFakeValue() { |
| return false; |
| } |
| |
| @Override |
| public boolean isValidValueForDevice() { |
| return this != NODPI && this != ANYDPI; // nodpi/anydpi is not a valid config for devices. |
| } |
| } |