Android获取屏幕尺寸大小代码实例

@override
 protected void oncreate(bundle savedinstancestate) {
 super.oncreate(savedinstancestate);
 setcontentview(r.layout.activity_main);
 
 //获取屏幕的长度和宽度
    displaymetrics dm = new displaymetrics();
    getwindowmanager().getdefaultdisplay().getmetrics(dm);
    int width = dm.widthpixels;
    int heigh = dm.heightpixels;
    
    dialog d = new dialog(this);
    d.settitle(width + "*" + heigh);
    d.show();
 }