关于Flutter沉浸式状态栏

项目地址（github）

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效果图

image.png
image.png

1、在MainActivity的onCreate方法，在super.onCreate(savedInstanceState);前添加判断setStatus(this)

  public void setStatus(Activity activity){
        if(!isNavigationBarShow(activity)) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);//窗口透明的状态栏
                activity.requestWindowFeature(Window.FEATURE_NO_TITLE);//隐藏标题栏
                activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);//窗口透明的导航栏
            }
        }else{
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
            }
        }
    }

     //是否是虚拟按键的设备
    private boolean isNavigationBarShow(Activity activity){
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            Display display = activity.getWindowManager().getDefaultDisplay();
            Point size = new Point();
            Point realSize = new Point();
            display.getSize(size);
            display.getRealSize(realSize);
            boolean  result  = realSize.y!=size.y;
            return realSize.y!=size.y;
        }else {
            boolean menu = ViewConfiguration.get(activity).hasPermanentMenuKey();
            boolean back = KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_BACK);
            if(menu || back) {
                return false;
            }else {
                return true;
            }
        }
    }

2、Flutter项目中添加及调用

 static setBarStatus(bool isDarkIcon, {Color color: Colors.transparent}) async{
    if (Platform.isAndroid) {
      if (isDarkIcon) {
        SystemUiOverlayStyle systemUiOverlayStyle = SystemUiOverlayStyle(
            statusBarColor: color, statusBarIconBrightness: Brightness.dark);
        SystemChrome.setSystemUIOverlayStyle(systemUiOverlayStyle);
      } else {
        SystemUiOverlayStyle systemUiOverlayStyle = SystemUiOverlayStyle(
            statusBarColor: color, statusBarIconBrightness: Brightness.light);
        SystemChrome.setSystemUIOverlayStyle(systemUiOverlayStyle);
      }
    }
  }

class LoginPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    DeviceUtil.setBarStatus(true); //这个地方调用
    return new MaterialApp(
        title: "登录",
        theme: ThemeData(
            primaryColor: ObjectUtil.getThemeColor(color: 'white'),
            platform: TargetPlatform.iOS),
        home: new Login(),
        routes: {
          '/MainPage': (ctx) => MainPage(),
        });
  }
}