Android 沉浸式状态栏-编程知识

Android 沉浸式状态栏

过时的API

  //设置默认隐藏虚拟按键，虚拟按键显示后为半透明protected open fun hideNavigationBarAndFullScreen() {val flags: Int// This work only for android 4.4+flags = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {// This work only for android 4.4+// hide navigation bar permanently in android activity// touch the screen, the navigation bar will not showwindow.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) //虚拟按键透明(View.SYSTEM_UI_FLAG_LAYOUT_STABLEor View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATIONor View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREENor View.SYSTEM_UI_FLAG_HIDE_NAVIGATION // hide nav// baror View.SYSTEM_UI_FLAG_FULLSCREEN // hide status baror View.SYSTEM_UI_FLAG_IMMERSIVE)//            flags = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION//                    | View.SYSTEM_UI_FLAG_IMMERSIVE//                    | View.SYSTEM_UI_FLAG_FULLSCREEN;} else {View.SYSTEM_UI_FLAG_HIDE_NAVIGATION}window.decorView.systemUiVisibility = flags}

上面这一大堆，全都是过时的api，当然也能用

新的方法

theme

  <style name="Goscam_AppTheme" parent="Theme.AppCompat.Light.NoActionBar"><item name="colorPrimary">@color/white</item><item name="colorPrimaryDark">@color/white</item><item name="colorAccent">@color/colorAccent</item><item name="android:textAllCaps">false</item><item name="android:textDirection">locale</item><item name="android:windowTranslucentStatus">true</item><item name="android:windowIsTranslucent">false</item><item name="android:windowDisablePreview">true</item><item name="android:windowTranslucentNavigation">false</item><item name="android:windowLightStatusBar">true</item></style>

theme是必不可少的

window

    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.O) {window.isNavigationBarContrastEnforced = false}window.statusBarColor = Color.TRANSPARENTwindow.navigationBarColor = Color.TRANSPARENTWindowCompat.setDecorFitsSystemWindows(window, true)

设置状态栏颜色，设置底部导航栏颜色

setDecorFitsSystemWindows

函数就是用来替换过时的函数 setSystemUiVisibility

setDecorfitsSystemWindows的解释

/*** Sets whether the decor view should fit root-level content views for* {@link WindowInsetsCompat}.* <p>* If set to {@code false}, the framework will not fit the content view to the insets and will* just pass through the {@link WindowInsetsCompat} to the content view.* </p>* <p>* Please note: using the {@link View#setSystemUiVisibility(int)} API in your app can* conflict with this method. Please discontinue use of {@link View#setSystemUiVisibility(int)}.* </p>** @param window                 The current window.* @param decorFitsSystemWindows Whether the decor view should fit root-level content views for*                               insets.*/public static void setDecorFitsSystemWindows(@NonNull Window window,final boolean decorFitsSystemWindows) {if (Build.VERSION.SDK_INT >= 30) {Api30Impl.setDecorFitsSystemWindows(window, decorFitsSystemWindows);} else if (Build.VERSION.SDK_INT >= 16) {Api16Impl.setDecorFitsSystemWindows(window, decorFitsSystemWindows);}}

可以看到函数内部已经做了版本适配