日常开发工具类,获取屏幕的宽高和像素密度等功能;
import android.content.Context; import android.util.DisplayMetrics; import android.view.Display; import android.view.WindowManager; public class ScreenUtil { /** * 获取屏幕相关参数 * * @param context * @return DisplayMetrics 屏幕宽高 */ public static DisplayMetrics getScreenSize(Context context){ DisplayMetrics metrics = new DisplayMetrics(); WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = windowManager.getDefaultDisplay(); display.getMetrics(metrics); return metrics; } /** * 获取屏幕density(密度) * * @param context * @return density 屏幕 density */ public static float getDeviceDensity(Context context){ DisplayMetrics metrics = new DisplayMetrics(); WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); windowManager.getDefaultDisplay().getMetrics(metrics); return metrics.density; } }