android获取手机屏幕分辨率
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:
XML文件
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);
}
});
}
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