如何在一个 activity 中隐藏 android 中的状态栏

How to hide status bar in android in just one activity

我想在我正在使用的启动画面中隐藏状态栏/通知栏 风格:<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar"> 这个不隐藏状态栏,我该怎么办?

如果你想删除状态栏然后在 onCreateView 方法中的 setContentView(layout) 之前使用这个

    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
    WindowManager.LayoutParams.FLAG_FULLSCREEN);

credits

要使您的 activity 全屏显示,请在 onCreate 中的 setContentView 之前添加此代码:

requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

试试这个:

 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_NO_TITLE);
        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }

使用下面的代码来解决你的问题。

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //Add Below line to hide 
        getSupportActionBar().hide();
    }

尝试使用此完整解决方案向后 android 版本 16 和向前兼容的解决方案

    if (Build.VERSION.SDK_INT < 16)
    {
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }
    else
    {
        View decorView = getWindow().getDecorView();
        // Hide the status bar.
        int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
        decorView.setSystemUiVisibility(uiOptions);
    }

我做了一些神奇的代码。可以单击状态栏中的按钮,但很难。 4.4 的部分无法正常工作。

    /** Скрывает статус-бар */
    private void hideStatusBar(View decorView)
    {
        int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
        decorView.setSystemUiVisibility(uiOptions);

        android.app.ActionBar actionBar = getActionBar();

        if (actionBar != null)
            actionBar.hide();
    }

    @Override protected void onCreate(Bundle savedInstanceState)
    {
            super.onCreate(savedInstanceState);

            try
            {
                // for < 4.0
                if (Build.VERSION.SDK_INT < 16)
                    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
                // for > 4.0
                else
                {
                    final View decorView = getWindow().getDecorView();

                    hideStatusBar(decorView);

                    decorView.setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener()
                    {
                        @Override public void onSystemUiVisibilityChange(int visibility)
                        {
                            if (visibility != View.SYSTEM_UI_FLAG_FULLSCREEN)
                                hideStatusBar(decorView);
                        }
                    });
                }
            }
            catch (Throwable t)
            {
                Util.log("Ошибка при попытке свернуть статус бар");
                t.printStackTrace();
            }

            setContentView(R.layout.activity_main);
}

您可以像下面这样为您的特定 activity -

适当设置主题
<style name="SplashTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="android:windowBackground">@drawable/launch_theme</item>
        <item name="android:windowTranslucentNavigation">false</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowActionBar">true</item>
        <item name="android:windowFullscreen">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
 </style>

这是我用过的,效果很好。

将此代码添加到您的 activity onCreate 之前 setContentView:

    @Override
      protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

    }

对于 Kotlin 用户。

styles.xml中添加新样式:

<style name="NoActionBarTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

现在在 AndroidManifest.xml 添加新创建的样式:

 <activity
            android:name=".MainActivity"
            android:theme="@style/NoActionBarTheme"
            android:screenOrientation="portrait"
            android:windowSoftInputMode="adjustResize"

 >...</activity>

最后在 MainActivity.kt 中进行以下更改:

override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //Add below line to hide status bar
        window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_FULLSCREEN
}

现在状态栏应该消失了:

试试这个:

<style name="SplashTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="android:windowFullscreen">true</item>
</style>

如果您在主题应用中使用它

Theme.MaterialComponents.NoActionBar

改为

Theme.AppCompat.NoActionBar

并在activity中添加代码:

fun fullScreen(activity: Activity) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
    if (activity.window.insetsController != null) {
        val insetsController = activity.window.insetsController
        if (insetsController != null) {
            insetsController.hide(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
            insetsController.systemBarsBehavior =
                WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
        }
    }
} else {
    activity.window.setFlags(
        WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
        WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
    )
}

}

如果你想隐藏状态栏线和操作栏,你必须改变线在themes.xml

   <style name="Theme.MyApp" 
           parent="Theme.MaterialComponents.DayNight.DarkActionBar">

   <style name="Theme.MyApp" 
            parent="Theme.MaterialComponents.DayNight.NoActionBar">

和这个 activity class 你不想要状态栏行..

     requestWindowFeature(Window.FEATURE_NO_TITLE)
        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
           WindowManager.LayoutParams.FLAG_FULLSCREEN);

请确保您必须在 onCreate() 方法中在此之上添加这些行。

        setContentView(R.layout.activity_main)