diff options
Diffstat (limited to 'ui/src/main/java/com/wireguard/android/activity/MainActivity.kt')
| -rw-r--r-- | ui/src/main/java/com/wireguard/android/activity/MainActivity.kt | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/ui/src/main/java/com/wireguard/android/activity/MainActivity.kt b/ui/src/main/java/com/wireguard/android/activity/MainActivity.kt index 2276e873..1566c129 100644 --- a/ui/src/main/java/com/wireguard/android/activity/MainActivity.kt +++ b/ui/src/main/java/com/wireguard/android/activity/MainActivity.kt @@ -9,6 +9,8 @@ import android.os.Bundle import android.view.Menu import android.view.MenuItem import android.view.View +import androidx.activity.OnBackPressedCallback +import androidx.activity.addCallback import androidx.appcompat.app.ActionBar import androidx.fragment.app.FragmentManager import androidx.fragment.app.FragmentTransaction @@ -26,27 +28,29 @@ import com.wireguard.android.model.ObservableTunnel class MainActivity : BaseActivity(), FragmentManager.OnBackStackChangedListener { private var actionBar: ActionBar? = null private var isTwoPaneLayout = false + private var backPressedCallback: OnBackPressedCallback? = null - override fun onBackPressed() { + private fun handleBackPressed() { val backStackEntries = supportFragmentManager.backStackEntryCount // If the two-pane layout does not have an editor open, going back should exit the app. if (isTwoPaneLayout && backStackEntries <= 1) { finish() return } - // Deselect the current tunnel on navigating back from the detail pane to the one-pane list. - if (!isTwoPaneLayout && backStackEntries == 1) { + + if (backStackEntries >= 1) supportFragmentManager.popBackStack() + + // Deselect the current tunnel on navigating back from the detail pane to the one-pane list. + if (backStackEntries == 1) selectedTunnel = null - return - } - super.onBackPressed() } override fun onBackStackChanged() { + val backStackEntries = supportFragmentManager.backStackEntryCount + backPressedCallback?.isEnabled = backStackEntries >= 1 if (actionBar == null) return // Do not show the home menu when the two-pane layout is at the detail view (see above). - val backStackEntries = supportFragmentManager.backStackEntryCount val minBackStackEntries = if (isTwoPaneLayout) 2 else 1 actionBar!!.setDisplayHomeAsUpEnabled(backStackEntries >= minBackStackEntries) } @@ -57,6 +61,7 @@ class MainActivity : BaseActivity(), FragmentManager.OnBackStackChangedListener actionBar = supportActionBar isTwoPaneLayout = findViewById<View?>(R.id.master_detail_wrapper) != null supportFragmentManager.addOnBackStackChangedListener(this) + backPressedCallback = onBackPressedDispatcher.addCallback(this) { handleBackPressed() } onBackStackChanged() } @@ -69,7 +74,7 @@ class MainActivity : BaseActivity(), FragmentManager.OnBackStackChangedListener return when (item.itemId) { android.R.id.home -> { // The back arrow in the action bar should act the same as the back button. - onBackPressed() + onBackPressedDispatcher.onBackPressed() true } R.id.menu_action_edit -> { |