Android设备的显示信息

package com.keyisoftware.utils;import android.app.Activity;import android.util.DisplayMetrics;/*** * 实现获取设备的显示信息<br/> * 主要包括设备的分辨率，dpi，缩放率等；全部继承自DisplayMetrics *  * @author [email protected] * @version 1.0.0 *  */public class DeviceDisplayInfo {private int screenWidth;private int screenHeight;private int densityDpi;private float scale;private float fontScale;private float xdpi;private float ydpi;public DeviceDisplayInfo(Activity activity) {DisplayMetrics displayMetrics = new DisplayMetrics();activity.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);screenWidth = displayMetrics.widthPixels;screenHeight = displayMetrics.heightPixels;densityDpi = displayMetrics.densityDpi;scale = displayMetrics.density;fontScale = displayMetrics.scaledDensity;xdpi = displayMetrics.xdpi;ydpi = displayMetrics.ydpi;}/** * 获取屏幕宽度，单位为px *  * @return */public int getScreenWidth() {return screenWidth;}public void setScreenWidth(int screenWidth) {this.screenWidth = screenWidth;}/** * 获取屏幕高度，单位为px *  * @return */public int getScreenHeight() {return screenHeight;}public void setScreenHeight(int screenHeight) {this.screenHeight = screenHeight;}/** * 获取屏幕密度，单位为dpi *  * @return */public int getDensityDpi() {return densityDpi;}public void setDensityDpi(int densityDpi) {this.densityDpi = densityDpi;}/** * 获取缩放系数，值为 densityDpi/160 *  * @return */public float getScale() {return scale;}public void setScale(float scale) {this.scale = scale;}/** * 获取文字缩放系数，同scale *  * @return */public float getFontScale() {return fontScale;}public void setFontScale(float fontScale) {this.fontScale = fontScale;}public float getXdpi() {return xdpi;}public void setXdpi(float xdpi) {this.xdpi = xdpi;}public float getYdpi() {return ydpi;}public void setYdpi(float ydpi) {this.ydpi = ydpi;}}
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