fix(ui): edge-to-edge insets for preference screens and log viewer FAB

Preference list content was sitting under the bottom system bar, and the
log viewer's share FAB lost its margin when system bar insets changed.

Author: growse

project/app/src/main/java/org/owntracks/android/ui/preferences/AbstractPreferenceFragment.kt

@@ -1,6 +1,10 @@
 package org.owntracks.android.ui.preferences
 
 import android.os.Bundle
+import android.view.View
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updatePadding
 import androidx.preference.PreferenceFragmentCompat
 import javax.inject.Inject
 import org.owntracks.android.R
@@ -17,6 +21,16 @@ abstract class AbstractPreferenceFragment : PreferenceFragmentCompat() {
     preferenceManager.preferenceDataStore = preferenceDataStore
   }
 
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    super.onViewCreated(view, savedInstanceState)
+    ViewCompat.setOnApplyWindowInsetsListener(listView) { v, insets ->
+      val systemBarsInsets = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+      v.updatePadding(bottom = systemBarsInsets.bottom)
+      insets
+    }
+    ViewCompat.requestApplyInsets(view)
+  }
+
   protected val connectionMode: String
     get() =
         when (preferences.mode) {

project/app/src/main/java/org/owntracks/android/ui/status/logs/LogViewerActivity.kt

@@ -12,8 +12,10 @@ import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.app.ShareCompat
 import androidx.core.net.toUri
+import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.Lifecycle
@@ -57,9 +59,14 @@ class LogViewerActivity : AppCompatActivity() {
               setSupportActionBar(appbar.toolbar)
 
               // Handle window insets for edge-to-edge
+              val fabBaseMarginBottom =
+                  (shareFab.layoutParams as CoordinatorLayout.LayoutParams).bottomMargin
               ViewCompat.setOnApplyWindowInsetsListener(frame) { _, windowInsets ->
                 val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
                 appbar.root.updatePadding(top = insets.top)
+                shareFab.updateLayoutParams<CoordinatorLayout.LayoutParams> {
+                  bottomMargin = fabBaseMarginBottom + insets.bottom
+                }
                 WindowInsetsCompat.CONSUMED
               }
             }