本文共 1636 字，大约阅读时间需要 5 分钟。

MainActivity如下:

package cc.teststatusbarheight;import java.lang.reflect.Field;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.app.Activity;import android.content.Context;/** * Demo描述: * 利用反射获取状态栏StatusBar的高度 *  * 反射基础: * http://blog.csdn.net/lfdfhl/article/details/10311505 *  * 参考资料: * http://blog.csdn.net/lilu_leo/article/details/10211327 * http://blog.csdn.net/dany1202/article/details/6571010 * Thank you very much */public class MainActivity extends Activity {    private Button mButton;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		init();	}	private void init(){		mButton=(Button) findViewById(R.id.button);		mButton.setOnClickListener(new OnClickListener() {			@Override			public void onClick(View view) {				getStatusBarHeight(MainActivity.this);			}		});	}		private void getStatusBarHeight(Context context){		int statusBarHeight=0;		try {			Class clazz=Class.forName("com.android.internal.R$dimen");			Object object=clazz.newInstance();			Field field=clazz.getField("status_bar_height");			//反射出该对象中status_bar_height字段所对应的在R文件的id值			//该id值由系统工具自动生成,文档描述如下:			//The desired resource identifier, as generated by the aapt tool.			int id = Integer.parseInt(field.get(object).toString());  			System.out.println("id="+id);			//依据id值获取到状态栏的高度,单位为像素			statusBarHeight = context.getResources().getDimensionPixelSize(id); 			System.out.println("statusBarHeight="+statusBarHeight+"pixel");		} catch (Exception e) {			// TODO: handle exception		}	}	}

main.xml如下:

转载地址：https://it9527.blog.csdn.net/article/details/10358325 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！