Android实现隐藏状态栏和标题栏

隐藏标题栏需要使用预定义样式：android:theme=”@android:style/Theme.NoTitleBar”.
隐藏状态栏：android:theme=”@android:style/Theme.NoTitleBar.Fullscreen”.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="de.vogella.android.temperature"
   android:versionCode="1"
   android:versionName="1.0">
  <application android:icon="@drawable/icon" android:label="@string/app_name">
    <activity android:name=".Convert"
         android:label="@string/app_name"
          android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>
 
  </application>
  <uses-sdk android:minSdkVersion="9" />
 
</manifest>

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  // hide titlebar of application
  // must be before setting the layout
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  // hide statusbar of Android
  // could also be done later
  getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
      WindowManager.LayoutParams.FLAG_FULLSCREEN);
  setContentView(R.layout.main);
  text = (EditText) findViewById(R.id.EditText01);
 
}

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