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Fix getting window insets for Lollipop and above

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Don't use the static `windowInsets` when `setWindowInsetListener()`
is called because this is just for pre-Lollipop devices where
`ViewCompat.setOnApplyWindowInsetsListener(view)` *never* fires.
This commit is contained in:
Markus Fisch 2020-03-11 21:42:55 +01:00
parent 1639e73738
commit 6574a5d651
1 changed files with 6 additions and 1 deletions
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7
app/src/main/kotlin/de/markusfisch/android/binaryeye/app/SystemBars.kt
View File

@ -82,8 +82,9 @@ private fun getAppCompatActivity(context: Context): AppCompatActivity? {
}
private var windowInsetsListener: ((insets: Rect) -> Unit)? = null
// invoke this from Fragment.onCreateView() *or* Activity.onCreate()
fun setWindowInsetListener(listener: (insets: Rect) -> Unit) {
if (windowInsets.top > 0) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
listener(windowInsets)
} else {
windowInsetsListener = listener
@ -91,14 +92,18 @@ fun setWindowInsetListener(listener: (insets: Rect) -> Unit) {
}
private val windowInsets = Rect()
// invoke this from Activity.onCreate() to setup listening for insets
fun setupInsets(view: View, toolbar: Toolbar) {
val toolBarHeight = toolbar.layoutParams.height
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
// save insets so setWindowInsetListener() can return them
// when it's called from Fragment.onCreateView() later on
windowInsets.set(0, toolBarHeight, 0, 0)
windowInsetsListener?.also { it(windowInsets) }
return
}
ViewCompat.setOnApplyWindowInsetsListener(view) { _, insets ->
// runs *after* layout and thus *after* Fragment.onCreateView()
if (insets.hasSystemWindowInsets()) {
windowInsets.set(
insets.systemWindowInsetLeft,