58

在 Android M 中，我们可以使状态栏图标变暗。为此，我们可以在主题的 xml 中指定属性：

<item name="android:windowLightStatusBar">true</item>

或者我们使用以下代码在运行时设置它：

View someView = findViewById(R.id.some_view);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
    someView.setSystemUiVisibility(someView.getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
}

它实际上工作正常。但问题是如何在运行时正确地将状态栏模式设置为暗？

我已经尝试过这些变体：

// Makes status bar mode dark, but also hides it along with all navigation views. 
someView.setSystemUiVisibility(someView.getSystemUiVisibility() | ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);

// Does nothing 
someView.setSystemUiVisibility(someView.getSystemUiVisibility() & ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);

// Also does nothing 
someView.setSystemUiVisibility(someView.getSystemUiVisibility() ^ View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);

那么如何以正确的方式完成呢？

4

14 回答 14

65

@Aracem 发布的解决方案是有效的，但是如果您尝试更改状态栏的背景颜色，则不起作用。就我而言，我按以下方式进行操作。

要启用 windowLightStatusBar（以编程方式，例如在 Utils 类中）：

 public static void setLightStatusBar(View view,Activity activity){


            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

                int flags = view.getSystemUiVisibility();
                flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
                view.setSystemUiVisibility(flags);
                activity.getWindow().setStatusBarColor(Color.WHITE); 
            }
}

要将 StatusBar 恢复到以前的状态：

  public static void clearLightStatusBar(Activity activity) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            Window window = activity.getWindow();
            window.setStatusBarColor(ContextCompat
                 .getColor(activity,R.color.colorPrimaryDark)); 
        }
    }

恢复状态栏的颜色就足够了，它还恢复了图标的颜色。非常重要：在 setLightStatusBar(View view..) 中使用的视图从屏幕上消失（即 view.getVisibility()==GONE|INVISIBLE）之前，不会发生恢复操作。

于 2016-09-20T14:26:06.510 回答
51

根据尼克布彻的项目“格子”

public static void clearLightStatusBar(@NonNull View view) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        int flags = view.getSystemUiVisibility();
        flags &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
        view.setSystemUiVisibility(flags);
    }
}

你可以在这里找到这个文件。

于 2016-07-11T16:57:38.193 回答
31

我基于@Aracem 和@Carlos Hernández Gil，但我认为如果我们使用按位异或（Java 中的^运算符）会很容易理解

private void setLightStatusBar(Activity activity) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        int flags = activity.getWindow().getDecorView().getSystemUiVisibility(); // get current flag
        flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;   // add LIGHT_STATUS_BAR to flag
        activity.getWindow().getDecorView().setSystemUiVisibility(flags); 
        activity.getWindow().setStatusBarColor(Color.GRAY); // optional
    }
}

private void clearLightStatusBar(Activity activity) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        int flags = activity.getWindow().getDecorView().getSystemUiVisibility(); // get current flag
        flags = flags ^ View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR; // use XOR here for remove LIGHT_STATUS_BAR from flags
        activity.getWindow().getDecorView().setSystemUiVisibility(flags);
        activity.getWindow().setStatusBarColor(Color.GREEN); // optional
    }
}

解释

首先，看SYSTEM_UI_FLAG_LIGHT_STATUS_BAR和setSystemUiVisibility

/**
 * Flag for {@link #setSystemUiVisibility(int)}: Requests the status bar to draw in a mode that
 * is compatible with light status bar backgrounds.
 */
public static final int SYSTEM_UI_FLAG_LIGHT_STATUS_BAR = 0x00002000;

public void setSystemUiVisibility(int visibility) {
    if (visibility != mSystemUiVisibility) {
        mSystemUiVisibility = visibility;
        ...
    }
}

我认为下面的两行代码很难理解

flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR; // for set light status bar
flags = flags ^ View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR; // for clear light status bar

乍一看，我只是觉得我们可以使用简单的like

flags = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR; // for set light status bar
flags = 0; // for clear light status bar (0 <=> LIGHT_STATUS_BAR <=> default systemUiVisibility)

但是我们应该使用|and^因为
示例，我们希望将状态栏和导航栏都设置为亮，然后我们将使用

flags = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR | View.View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
activity.getWindow().getDecorView().setSystemUiVisibility(flags);

当我们不想让状态栏变亮时，我们可以使用

flags = View.View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
activity.getWindow().getDecorView().setSystemUiVisibility(flags);

或者

flags = activity.getWindow().getDecorView().getSystemUiVisibility();
flags = flags ^ View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR; 
activity.getWindow().getDecorView().setSystemUiVisibility(flags);

要了解更多我们为什么使用|and ^，我认为下面的教程可能会有所帮助 https://medium.com/@JakobUlbrich/flag-attributes-in-android-how-to-use-them-ac4ec8aee7d1 这是我的理解。希望这有帮助

于 2018-07-26T06:41:45.667 回答
5

我将这个简单的实用程序对象放在一起，它允许您在任何片段中更改状态栏颜色和亮状态栏的开/关。但是，这依赖于使用 Android Jetpack Navigation 组件进行导航 (Kotlin)：

object StatusBarUtil {
    fun changeStatusBarColor(activity: Activity, @ColorInt color: Int, lightStatusBar: Boolean) {
        activity.window?.let { win ->
            val nav = Navigation.findNavController(activity, R.id.your_nav_host_fragmen /* TODO: Use the ID of your nav host fragment */)
            val currentDest = nav.currentDestination?.id
            val oldColor = win.statusBarColor
            val oldFlags = win.decorView.systemUiVisibility
            win.statusBarColor = color

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                var flags = oldFlags
                flags = if (lightStatusBar) {
                    flags or View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
                } else {
                    flags and View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.inv()
                }
                win.decorView.systemUiVisibility = flags
            }

            nav.addOnNavigatedListener { _, dest ->
                if (dest.id != currentDest) {
                    win.statusBarColor = oldColor
                    win.decorView.systemUiVisibility = oldFlags
                }
            }
        }
    }
}

要使用它，请从任何片段中调用以下内容onViewCreated：

StatusBarUtil.changeStatusBarColor(requireActivity(), someDarkColor, false)
于 2018-10-01T13:20:11.827 回答
5

SDK 的 API 30 略有变化，现在灯光状态栏的外观由WindowInsetsController控制，可以从Window获得。下面是 Kotlin 中的示例方法（在 Activity 中），将新 API 与之前用于旧 Android SDK 版本的View.setSystemUiVisibility结合起来。请记住，这只会改变状态栏的系统图标外观，状态栏的实际颜色仍然可以通过Window.setStatusBarColor设置。

@Suppress("DEPRECATION")
private fun setSystemUiLightStatusBar(isLightStatusBar: Boolean) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            val systemUiAppearance = if (isLightStatusBar) {
                WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS
            } else {
                0
            }
            window.insetsController?.setSystemBarsAppearance(systemUiAppearance,
                                                             WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS)
        } else {
            val systemUiVisibilityFlags = if (isLightStatusBar) {
                window.decorView.systemUiVisibility or SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
            } else {
                window.decorView.systemUiVisibility and SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.inv()
            }
            window.decorView.systemUiVisibility = systemUiVisibilityFlags
        }
    }
}
于 2020-11-11T13:04:27.837 回答
5

我为 API 23-30 切换明暗的方式与这些有点不同。这是一个科特林版本

由于我使用 Compose 和 Crossfade 动画来更改主题，在某些情况下会调用此函数两次，因此会xor自行撤消。另一种方法是逆or运算。我的灯光主题切换器最终看起来像这样

@Suppress("DEPRECATION")
fun invertInsets(darkTheme: Boolean, window: Window) {
    if (Build.VERSION.SDK_INT >= 30) {
        //Correct way of doing things
        val statusBar = APPEARANCE_LIGHT_STATUS_BARS
        val navBar = APPEARANCE_LIGHT_NAVIGATION_BARS
        if (!darkTheme) {
            window.insetsController?.setSystemBarsAppearance(statusBar, statusBar)
            window.insetsController?.setSystemBarsAppearance(navBar, navBar)
        } else {
            window.insetsController?.setSystemBarsAppearance(0, statusBar)
            window.insetsController?.setSystemBarsAppearance(0, navBar)
        }
    } else {
        // Does bitwise operations (or to add, inverse or to remove)
        // This is depreciated but the new version is API 30+ so I should have this here
        val flags = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR or
            if (Build.VERSION.SDK_INT >= 26) View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR else 0

        if (!darkTheme) {
            window.decorView.systemUiVisibility = 
                window.decorView.systemUiVisibility or flags
        } else {
            window.decorView.systemUiVisibility = 
                (window.decorView.systemUiVisibility.inv() or flags).inv()
        }
    }
}

API 30+ 的位没有贬值，但实际上 API 30 的手机并不多，因此也有较低 API 的位

它只是为了简洁而预先计算标志（因为设置LIGHT_NAVIGATION_BARS是 API 26+），然后明确设置或重置这些确切的标志。没有and或xor有趣的生意。or将始终将标志设置为1，反之或事物将始终将标志设置为0。然而，这只是可能的，因为两者SYSTEM_UI_FLAG_LIGHT_STATUS_BAR都是SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR一位。否则它可能需要使用xor.

于 2021-07-20T22:58:09.967 回答
3

基于@phan-van-linh 的回答，我为 Xamarin Android 编写了这个类

public static class ActivityExtensions
{
    public static void SetLightStatusBar(this Activity activity)
    {
        int flags = (int)activity.Window.DecorView.SystemUiVisibility; // get current flag
        flags |= (int)SystemUiFlags.LightStatusBar;   // add LIGHT_STATUS_BAR to flag
        activity.Window.DecorView.SystemUiVisibility = (StatusBarVisibility)flags;
        //activity.Window.SetStatusBarColor(Color.GRAY); // optional
    }

    public static void ClearLightStatusBar(this Activity activity)
    {
        int flags = (int)activity.Window.DecorView.SystemUiVisibility; // get current flag
        flags = flags ^ (int)SystemUiFlags.LightStatusBar; // use XOR here for remove LIGHT_STATUS_BAR from flags
        activity.Window.DecorView.SystemUiVisibility = (StatusBarVisibility)flags;
        //activity.Window.setStatusBarColor(Color.GREEN); // optional
    }
}
于 2018-11-19T14:30:22.697 回答
2

我将对上述答案进行一些更改。

上课

 public class DarkStatusBar {
    public static void setLightStatusBar(View view, Activity activity){

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

            int flags = view.getSystemUiVisibility();
            flags |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
            view.setSystemUiVisibility(flags);
            activity.getWindow().setStatusBarColor(Color.WHITE);
        }
    }
}

并像这样在任何你想要的地方调用它

        Window window = getWindow();
        View view = window.getDecorView();
        DarkStatusBar.setLightStatusBar(view,this);
于 2018-05-23T04:13:30.913 回答
2

要更改为轻状态栏，请使用：-

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) 
     activity?.window?.decorView?.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR

要改回深色状态栏：-

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) 
     activity?.window?.decorView?.systemUiVisibility = 0
于 2020-04-01T08:46:29.377 回答
0

设置带有浅色文本颜色kotlin版本的蓝色背景状态栏

fun setBlueStatusBarColor(window: Window, context: Context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            window.statusBarColor = context.getColor(R.color.colorBlue)
        }else {
            window.statusBarColor = context.resources.getColor(R.color.colorBlue)
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            var flags: Int = window.decorView.systemUiVisibility
            flags = flags and View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
            window.decorView.systemUiVisibility = flags
        }
    }
}
于 2020-06-27T05:12:55.247 回答
0 
/**
 * Changes color of the status bar icons
 * @param isLight if true - shows dark icons, light else
 */
fun setStatusBarUiTheme(activity: Activity?, isLight: Boolean) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        activity?.window?.decorView?.let {
            it.systemUiVisibility = if (isLight)
                it.systemUiVisibility or View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR // dark icons
            else
                it.systemUiVisibility and View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.inv() // light icons
        }
    }
}
于 2020-12-05T23:48:57.230 回答
0

在 res/styles.xml

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

<style name="AppTheme.DarkStatus" parent="AppTheme" tools:targetApi="23" >
    <item name="android:windowLightStatusBar">false</item>
    <item name="android:statusBarColor" >@color/status_bar_color</item>
</style>

在代码中

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setTheme(R.style.AppTheme_DarkStatus);  //To set DarkStatusBar theme
    setContentView(R.layout.activity_drawer);
    ....
}
于 2021-01-28T14:41:05.723 回答
0

这个对我有用

fun Activity.clearLightStatusBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        val window = window
        window.statusBarColor = ContextCompat
            .getColor(this, R.color.ultramarine_blue)
    }
}
于 2022-01-17T11:30:25.323 回答
0

systemUiVisibility- 现在已弃用。你可以WindowInsetsControllerCompat改用。

private val insetsController: WindowInsetsControllerCompat? by lazy {
    activity?.window?.let { window -> WindowInsetsControllerCompat(window, window.decorView) }
}

private fun setLightStatusBar(light: Boolean) {
    insetsController?.isAppearanceLightStatusBars = light
}
于 2022-02-08T15:44:55.680 回答