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add setImmersiveFullscreen to toggle navbar in android #380

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add setImmersiveFullscreen to toggle navbar in android #380

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36 changes: 34 additions & 2 deletions app/src/main/java/org/koreader/launcher/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ import android.view.*
import android.widget.Toast
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import org.koreader.launcher.device.Device
import org.koreader.launcher.dialog.LightDialog
import org.koreader.launcher.extensions.*
Expand Down Expand Up @@ -564,7 +566,8 @@ class MainActivity : NativeActivity(), LuaInterface,

override fun isFullscreen(): Boolean {
return if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR2 ||
Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) {
Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1 ||
Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
fullscreen
} else if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN) {
isFullscreenDeprecated()
Expand Down Expand Up @@ -681,12 +684,39 @@ class MainActivity : NativeActivity(), LuaInterface,
}
}

fun setFullscreenImmersive(enabled: Boolean) {
val windowInsetsController = ViewCompat.getWindowInsetsController(window.decorView) ?: return

val cd = CountDownLatch(1)
runOnUiThread {
try {
if (enabled) {
windowInsetsController.hide(WindowInsetsCompat.Type.navigationBars())
} else {
windowInsetsController.show(WindowInsetsCompat.Type.navigationBars())
}
} catch (e: Exception) {
e.printStackTrace()
}
cd.countDown()
}

try {
cd.await()
fullscreen = enabled
} catch (ex: InterruptedException) {
ex.printStackTrace()
}
}

override fun setFullscreen(enabled: Boolean) {
if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR2 ||
Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) {
fullscreen = enabled
} else if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.JELLY_BEAN) {
setFullscreenDeprecated(enabled)
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
setFullscreenImmersive(enabled)
}
}

Expand Down Expand Up @@ -811,13 +841,15 @@ class MainActivity : NativeActivity(), LuaInterface,
private fun setFullscreenLayout() {
val decorView = window.decorView
when {
Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT ->
Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT -> {
decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_FULLSCREEN or
View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY or
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
setFullscreenImmersive(fullscreen)
}
Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN ->
decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_FULLSCREEN or
View.SYSTEM_UI_FLAG_LOW_PROFILE
Expand Down