获取屏幕宽高



public class ScreenUtils {
 public Context context;
 private DisplayMetrics dm;
 public ScreenUtils(Context context){
  this.context=context;
  dm = context.getResources().getDisplayMetrics();
 }
 
 public int getScreenWidth(){
  return dm.widthPixels;

 }
 public int getScreenHight(){
  return dm.heightPixels;
 }

}