Android中获取当前屏幕的尺寸大小

<supports-screens
android:smallScreens="true"
android:normalScreens="true"
android:largeScreens="true"

android:resizeable="true"
android:anyDensity="true"/>

/**
* 获取当前屏幕的尺寸大小
* @param context
* @return
*/
public static DisplayMetrics getMetrics(Context context) {
DisplayMetrics metrics = new DisplayMetrics();
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
manager.getDefaultDisplay().getMetrics(metrics);
return metrics;
}

int width = getMetrics(context).widthPixels;

int height = getMetrics(context).heightPixels;

float density = metric.density;

int densityDpi = metric.densityDpi;