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public class MainActivity extends ActionBarActivitoy{protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);/**标题是属于View的,所以窗口所有的修饰部分被隐藏后标题依然有效*/requestWindowFeature(Window.FEATURE_NO_TITLE);/**全屏设置,隐藏窗口所有装饰*/getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.iv);}
以上是在参考网上的代码,但这样会引起空指针错误,细想原来是继承的并不是Activity
继承ActionBarActivity的话
//将requestWindowFeature(Window.FEATURE_NO_TITLE);换写为ActionBar actionBar = getSupportActionBar();actionBar.hide();
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原文地址:http://www.cnblogs.com/dddq39/p/4399335.html