android获取手机屏幕分辨率

墨蓝 2022-08-23 14:58 299阅读 0赞

本文主要解决获取手机屏幕的大小：例子很简单，主要通过 DisplayMetrics 类来获取相关的信息,代码如下

效果图：

![Center][]  ![Center 1][]

XML文件

1.   activity\_main.xml

2.strings.xml

<?xml version="1.0" encoding="utf-8"?>
    <resources>
    
        <string name="app_name">DisplayMetricsDemo</string>
        <string name="display_metrics">显示屏幕分辨率:</string>
        <string name="action_settings">Settings</string>
        <string name="metrics">获取屏幕分辨率</string>
    
    </resources>

3.MainActivity.java

private TextView displayMetricsTv;
    	private Button metricsBtn;
    	private DisplayMetrics displayMetrics;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            displayMetricsTv = (TextView) this.findViewById(R.id.display_metrics_tv);
            metricsBtn = (Button) this.findViewById(R.id.metrics_btn);
            
            metricsBtn.setOnClickListener(new OnClickListener(){
    
    			@Override
    			public void onClick(View arg0) {
    				// TODO Auto-generated method stub
    				displayMetrics = new DisplayMetrics();
    				getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
    				
    				displayMetricsTv.setText("显示屏幕分辨率:\r\n" + displayMetrics.widthPixels + " * " + displayMetrics.heightPixels);
    				
    				
    			}
            });
        }

[Center]: https://img-blog.csdn.net/20140616153817546?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYTEyM2RlbWk=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: /images/20220823/f007e8377844455b9cb1a6e5ee9da837.png