我按照制作手势导航的文档将应用程序边缘扩展到边缘。但我看不到导航栏变成透明的。
build.gradle 设置,
compileSdkVersion 'android-Q'
minSdkVersion 21
targetSdkVersion 28
样式值,
<!-- Testing Edge to Edge app content -->
<item name="android:navigationBarColor">@android:color/transparent</item>
<!-- Optional, but recommended for full edge-to-edge rendering -->
<item name="android:statusBarColor">@android:color/transparent</item>
onCreate()
我在方法中设置了 UI 可见性标志
// Adding UI Visibility flag for edge to edge app content
View view = findViewById(R.id.mainView);
// hide navigation
// view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
// layout stable
// view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
// view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
// view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_FULLSCREEN);
// having two flags hide navigation or layout fullscreen
// view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
// having two flags hide navigation or layout stable
view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);