Android隐藏状态栏和标题栏，相当于全屏效果

2015/12/18 53019

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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”.
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<?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>
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@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);
  
}