DisplayMetrics.java revision 493861dfa011f482987c7a49d147d6e50a90c692
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.util; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19e2515eebf42c763c0a2d9f873a153711778cfc17Dianne Hackbornimport android.os.SystemProperties; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A structure describing general information about a display, such as its 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * size, density, and font scaling. 2571d4b289a7a934ecd16c3036b812d40db6d3a74dScott Main * <p>To access the DisplayMetrics members, initialize an object like this:</p> 2671d4b289a7a934ecd16c3036b812d40db6d3a74dScott Main * <pre> DisplayMetrics metrics = new DisplayMetrics(); 2771d4b289a7a934ecd16c3036b812d40db6d3a74dScott Main * getWindowManager().getDefaultDisplay().getMetrics(metrics);</pre> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DisplayMetrics { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 31a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * Standard quantized DPI for low-density screens. 32a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn */ 33a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn public static final int DENSITY_LOW = 120; 34a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn 35a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn /** 36a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * Standard quantized DPI for medium-density screens. 37a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn */ 38a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn public static final int DENSITY_MEDIUM = 160; 39a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn 40a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn /** 41493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * This is a secondary density, added for some common screen configurations. 42493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * It is recommended that applications not generally target this as a first 43493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * class density -- that is, don't supply specific graphics for this 44493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * density, instead allow the platform to scale from other densities 45493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * (typically {@link #DENSITY_HIGH}) as 46493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * appropriate. In most cases (such as using bitmaps in 47493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * {@link android.graphics.drawable.Drawable}) the platform 48493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * can perform this scaling at load time, so the only cost is some slight 49493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * startup runtime overhead. 50493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * 51493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * <p>This density was original introduced to correspond with a 52493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * 720p TV screen: the density for 1080p televisions is 53493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * {@link #DENSITY_XHIGH}, and the value here provides the same UI 54493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * size for a TV running at 720p. It has also found use in 7" tablets, 55493861dfa011f482987c7a49d147d6e50a90c692Dianne Hackborn * when these devices have 1280x720 displays. 56b96cbbd11c4590bec846212c33361e02293f18b5Dianne Hackborn */ 57b96cbbd11c4590bec846212c33361e02293f18b5Dianne Hackborn public static final int DENSITY_TV = 213; 58b96cbbd11c4590bec846212c33361e02293f18b5Dianne Hackborn 59b96cbbd11c4590bec846212c33361e02293f18b5Dianne Hackborn /** 60a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * Standard quantized DPI for high-density screens. 61a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn */ 62a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn public static final int DENSITY_HIGH = 240; 63a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn 64a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn /** 65a0b46c9c441f017a2008ca8ee2c864987465996bDianne Hackborn * Standard quantized DPI for extra-high-density screens. 66a0b46c9c441f017a2008ca8ee2c864987465996bDianne Hackborn */ 67a0b46c9c441f017a2008ca8ee2c864987465996bDianne Hackborn public static final int DENSITY_XHIGH = 320; 68a0b46c9c441f017a2008ca8ee2c864987465996bDianne Hackborn 69a0b46c9c441f017a2008ca8ee2c864987465996bDianne Hackborn /** 70d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn * Standard quantized DPI for extra-extra-high-density screens. Applications 71d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn * should not generally worry about this density; relying on XHIGH graphics 72d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn * being scaled up to it should be sufficient for almost all cases. 73d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn */ 74d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn public static final int DENSITY_XXHIGH = 480; 75d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn 76d96e3dfa02b203b1fc826e80d6f9aa074ba9c250Dianne Hackborn /** 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The reference density used throughout the system. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 79a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn public static final int DENSITY_DEFAULT = DENSITY_MEDIUM; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 812e3d3b9ce74cb9c906e5cc0e9898d757d45c4237Mitsuru Oshima /** 822e3d3b9ce74cb9c906e5cc0e9898d757d45c4237Mitsuru Oshima * The device's density. 83a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @hide becase eventually this should be able to change while 84a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * running, so shouldn't be a constant. 852e3d3b9ce74cb9c906e5cc0e9898d757d45c4237Mitsuru Oshima */ 86a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn public static final int DENSITY_DEVICE = getDeviceDensity(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The absolute width of the display in pixels. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int widthPixels; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The absolute height of the display in pixels. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int heightPixels; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The logical density of the display. This is a scaling factor for the 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Density Independent Pixel unit, where one DIP is one pixel on an 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * approximately 160 dpi screen (for example a 240x320, 1.5"x2" screen), 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * providing the baseline of the system's display. Thus on a 160dpi screen 1016b13bc043e715b5415b701e93141daa0d49fa364Dirk Dougherty * this density value will be 1; on a 120 dpi screen it would be .75; etc. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>This value does not exactly follow the real screen size (as given by 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #xdpi} and {@link #ydpi}, but rather is used to scale the size of 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the overall UI in steps based on gross changes in the display dpi. For 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * example, a 240x320 screen will have a density of 1 even if its width is 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1.8", 1.3", etc. However, if the screen resolution is increased to 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 320x480 but the screen size remained 1.5"x2" then the density would be 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * increased (probably to 1.5). 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 111a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn * @see #DENSITY_DEFAULT 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float density; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11511ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * The screen density expressed as dots-per-inch. May be either 11611ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn * {@link #DENSITY_LOW}, {@link #DENSITY_MEDIUM}, or {@link #DENSITY_HIGH}. 11711ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn */ 11811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn public int densityDpi; 11911ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn /** 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A scaling factor for fonts displayed on the display. This is the same 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as {@link #density}, except that it may be adjusted in smaller 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * increments at runtime based on a user preference for the font size. 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float scaledDensity; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The exact physical pixels per inch of the screen in the X dimension. 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float xdpi; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The exact physical pixels per inch of the screen in the Y dimension. 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float ydpi; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13481e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn /** 13581e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * The reported display width prior to any compatibility mode scaling 13681e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * being applied. 13781e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * @hide 13881e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn */ 1392b31d53161789358de57fd396716a6503855c5daDianne Hackborn public int noncompatWidthPixels; 14081e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn /** 14181e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * The reported display height prior to any compatibility mode scaling 14281e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * being applied. 14381e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn * @hide 14481e56d535c853d73ff537357da5b935f51cb779dDianne Hackborn */ 1452b31d53161789358de57fd396716a6503855c5daDianne Hackborn public int noncompatHeightPixels; 1462b31d53161789358de57fd396716a6503855c5daDianne Hackborn /** 1472b31d53161789358de57fd396716a6503855c5daDianne Hackborn * The reported display density prior to any compatibility mode scaling 1482b31d53161789358de57fd396716a6503855c5daDianne Hackborn * being applied. 1492b31d53161789358de57fd396716a6503855c5daDianne Hackborn * @hide 1502b31d53161789358de57fd396716a6503855c5daDianne Hackborn */ 1512b31d53161789358de57fd396716a6503855c5daDianne Hackborn public float noncompatDensity; 1522b31d53161789358de57fd396716a6503855c5daDianne Hackborn /** 1532b31d53161789358de57fd396716a6503855c5daDianne Hackborn * The reported scaled density prior to any compatibility mode scaling 1542b31d53161789358de57fd396716a6503855c5daDianne Hackborn * being applied. 1552b31d53161789358de57fd396716a6503855c5daDianne Hackborn * @hide 1562b31d53161789358de57fd396716a6503855c5daDianne Hackborn */ 1572b31d53161789358de57fd396716a6503855c5daDianne Hackborn public float noncompatScaledDensity; 1582b31d53161789358de57fd396716a6503855c5daDianne Hackborn /** 1592b31d53161789358de57fd396716a6503855c5daDianne Hackborn * The reported display xdpi prior to any compatibility mode scaling 1602b31d53161789358de57fd396716a6503855c5daDianne Hackborn * being applied. 1612b31d53161789358de57fd396716a6503855c5daDianne Hackborn * @hide 1622b31d53161789358de57fd396716a6503855c5daDianne Hackborn */ 1632b31d53161789358de57fd396716a6503855c5daDianne Hackborn public float noncompatXdpi; 1642b31d53161789358de57fd396716a6503855c5daDianne Hackborn /** 1652b31d53161789358de57fd396716a6503855c5daDianne Hackborn * The reported display ydpi prior to any compatibility mode scaling 1662b31d53161789358de57fd396716a6503855c5daDianne Hackborn * being applied. 1672b31d53161789358de57fd396716a6503855c5daDianne Hackborn * @hide 1682b31d53161789358de57fd396716a6503855c5daDianne Hackborn */ 1692b31d53161789358de57fd396716a6503855c5daDianne Hackborn public float noncompatYdpi; 170e2515eebf42c763c0a2d9f873a153711778cfc17Dianne Hackborn 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DisplayMetrics() { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTo(DisplayMetrics o) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthPixels = o.widthPixels; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightPixels = o.heightPixels; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project density = o.density; 17811ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn densityDpi = o.densityDpi; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaledDensity = o.scaledDensity; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xdpi = o.xdpi; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ydpi = o.ydpi; 1822b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatWidthPixels = o.noncompatWidthPixels; 1832b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatHeightPixels = o.noncompatHeightPixels; 1842b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatDensity = o.noncompatDensity; 1852b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatScaledDensity = o.noncompatScaledDensity; 1862b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatXdpi = o.noncompatXdpi; 1872b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatYdpi = o.noncompatYdpi; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setToDefaults() { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project widthPixels = 0; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project heightPixels = 0; 193a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn density = DENSITY_DEVICE / (float) DENSITY_DEFAULT; 19411ea33471e1a14a8594f0b2cd012d86340dd3bd8Dianne Hackborn densityDpi = DENSITY_DEVICE; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project scaledDensity = density; 196a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn xdpi = DENSITY_DEVICE; 197a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn ydpi = DENSITY_DEVICE; 1982b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatWidthPixels = 0; 1992b31d53161789358de57fd396716a6503855c5daDianne Hackborn noncompatHeightPixels = 0; 20058feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima } 20158feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima 20264f59342d41849bd365cb43fad7505d5e3daa417Mitsuru Oshima @Override 20358feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima public String toString() { 20458feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima return "DisplayMetrics{density=" + density + ", width=" + widthPixels + 20558feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima ", height=" + heightPixels + ", scaledDensity=" + scaledDensity + 20658feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima ", xdpi=" + xdpi + ", ydpi=" + ydpi + "}"; 20758feea74b42bbaaa0552d76af23873bdd0b5dca2Mitsuru Oshima } 2082a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner 2092a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner private static int getDeviceDensity() { 2102a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner // qemu.sf.lcd_density can be used to override ro.sf.lcd_density 2112a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner // when running in the emulator, allowing for dynamic configurations. 2122a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner // The reason for this is that ro.sf.lcd_density is write-once and is 2132a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner // set by the init process when it parses build.prop before anything else. 2142a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner return SystemProperties.getInt("qemu.sf.lcd_density", 215a53b828635fce8b6b2d3e3377d74d72070056623Dianne Hackborn SystemProperties.getInt("ro.sf.lcd_density", DENSITY_DEFAULT)); 2162a578ae518ff3d8a2d4768b3d190e4702509e82cDavid 'Digit' Turner } 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 218