android中全屏的步骤

1.直接代码编写

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@Override     protected void onCreate(Bundle savedInstanceState)     {         requestWindowFeature(Window.FEATURE_NO_TITLE);         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);         super.onCreate(savedInstanceState);         setContentView(R.layout.welcome);     }

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2.配置AndroidManifest.xml

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      <application          android:icon="@drawable/ic_launcher" 

         android:label="@string/app_name" >          <activity              android:name=".Welcome"

             android:label="@string/app_name" 

            android:theme="@android:style/Theme.NoTitleBar.Fullscreen" 8         >              <intent-filter>                <action android:name="android.intent.action.MAIN" />                 <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>         </activity>         <activity             android:name=".AboutApp"

            android:label="@string/aboutapp_title"

              android:theme="@android:style/Theme.Dialog"

        />    </application>