package MyJar; 
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import android.os.Build; 
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import android.view.View; 
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public final class Common { 
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    /** 
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     * 隐藏虚拟按键 
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     * @param activity 
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     */ 
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    public static void HideVirtualButtons(android.app.Activity activity) {//hideVirtualButtons 
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//        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { 
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//            activity.getWindow().getDecorView() 
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//                    .setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE 
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//                            //|View.SYSTEM_UI_FLAG_FULLSCREEN 
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//                            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION  
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//                            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
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//                            | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); 
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//        } 
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        //隐藏虚拟按键,并且全屏 
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        if (Build.VERSION.SDK_INT > 11 &&Build.VERSION.SDK_INT < 19) { // lower api 
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         View v = activity.getWindow().getDecorView(); 
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            v.setSystemUiVisibility(View.GONE); 
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        } else if (Build.VERSION.SDK_INT >= 19) { 
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            //for new api versions. 
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            View decorView = activity.getWindow().getDecorView(); 
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            int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION //隐藏虚拟按键 
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                    | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 
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                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY ; 
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                    //| View.SYSTEM_UI_FLAG_FULLSCREEN; //隐藏状态栏 
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            decorView.setSystemUiVisibility(uiOptions); 
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        } 
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    } 
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} 
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