ActionBar的移除与显示

activity_main.xml:

ActionBarHiddenActivity.java:

package com.example.demoactionbar;import android.app.ActionBar;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.widget.Button;public class ActionBarHiddenActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);final ActionBar bar = getActionBar();final Button button = (Button)findViewById(R.id.button);button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {if(bar.isShowing()){bar.hide();button.setText("显示动作栏");}else{bar.show();button.setText("隐藏动作栏");}}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>

更多相关文章

随机推荐