make Trackbook work better with different status bar heights (e.g. on phones with camera cutouts.)

app/build.gradle

@@ -4,13 +4,13 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'androidx.navigation.safeargs.kotlin'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 30
     buildToolsVersion "29.0.3"
 
     defaultConfig {
         applicationId 'org.y20k.trackbook'
         minSdkVersion 25
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 43
         versionName '2.0.6'
         resConfigs "en", "da", "de", "fr", "hr", "id", "it", "ja", "nb-rNO", "nl", "pt-rBR", "sv", "zh-rCN"
@@ -59,7 +59,7 @@ dependencies {
 // AndroidX
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
-    implementation 'androidx.core:core-ktx:1.3.1'
+    implementation 'androidx.core:core-ktx:1.3.2'
     implementation "androidx.navigation:navigation-fragment-ktx:$navigation_version"
     implementation "androidx.navigation:navigation-ui-ktx:$navigation_version"
     implementation 'androidx.preference:preference-ktx:1.1.1'

app/src/main/java/org/y20k/trackbook/MapFragment.kt

@@ -75,7 +75,8 @@ class MapFragment : Fragment(), YesNoDialog.YesNoDialogListener, MapOverlayHelpe
     /* Overrides onStop from Fragment */
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         // initialize layout
-        layout = MapFragmentLayoutHolder(activity as Context, this as MapOverlayHelper.MarkerListener, inflater, container, currentBestLocation, trackingState)
+        val statusBarHeight: Int = UiHelper.getStatusBarHeight(activity as Context)
+        layout = MapFragmentLayoutHolder(activity as Context, this as MapOverlayHelper.MarkerListener, inflater, container, statusBarHeight, currentBestLocation, trackingState)
 
         // set up buttons
         layout.currentLocationButton.setOnClickListener {

app/src/main/java/org/y20k/trackbook/SettingsFragment.kt

@@ -30,10 +30,7 @@ import android.widget.Toast
 import androidx.preference.*
 import kotlinx.coroutines.*
 import org.y20k.trackbook.core.Tracklist
-import org.y20k.trackbook.helpers.AppThemeHelper
+import org.y20k.trackbook.helpers.*
-import org.y20k.trackbook.helpers.FileHelper
-import org.y20k.trackbook.helpers.LengthUnitHelper
-import org.y20k.trackbook.helpers.LogHelper
 
 
 /*
@@ -51,7 +48,7 @@ class SettingsFragment : PreferenceFragmentCompat(), YesNoDialog.YesNoDialogList
         // set the background color
         view.setBackgroundColor(resources.getColor(R.color.app_window_background, null))
         // add padding - necessary because translucent status bar is used
-        val topPadding = this.resources.displayMetrics.density * 24 // 24 dp * display density
+        val topPadding = UiHelper.getStatusBarHeight(activity as Context)
         view.setPadding(0, topPadding.toInt(), 0, 0)
     }
 

app/src/main/java/org/y20k/trackbook/TrackFragment.kt

@@ -39,10 +39,7 @@ import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import org.y20k.trackbook.core.Track
 import org.y20k.trackbook.dialogs.RenameTrackDialog
-import org.y20k.trackbook.helpers.FileHelper
+import org.y20k.trackbook.helpers.*
-import org.y20k.trackbook.helpers.LogHelper
-import org.y20k.trackbook.helpers.MapOverlayHelper
-import org.y20k.trackbook.helpers.TrackHelper
 import org.y20k.trackbook.ui.TrackFragmentLayoutHolder
 
 
@@ -73,7 +70,8 @@ class TrackFragment : Fragment(), RenameTrackDialog.RenameTrackListener, YesNoDi
     /* Overrides onCreateView from Fragment */
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         // initialize layout
-        layout = TrackFragmentLayoutHolder(activity as Context, this as MapOverlayHelper.MarkerListener, inflater, container, track)
+        val statusBarHeight: Int = UiHelper.getStatusBarHeight(activity as Context)
+        layout = TrackFragmentLayoutHolder(activity as Context, this as MapOverlayHelper.MarkerListener, inflater, statusBarHeight, container, track)
 
         // set up share button
         layout.shareButton.setOnClickListener {

app/src/main/java/org/y20k/trackbook/TracklistFragment.kt

@@ -67,6 +67,10 @@ class TracklistFragment : Fragment(), TracklistAdapter.TracklistAdapterListener,
         trackElementList = rootView.findViewById(R.id.track_element_list)
         tracklistOnboarding = rootView.findViewById(R.id.track_list_onboarding)
 
+        // add padding - necessary because translucent status bar is used
+        val topPadding = UiHelper.getStatusBarHeight(activity as Context)
+        trackElementList.setPadding(0, topPadding.toInt(), 0, 0)
+
         // set up recycler view
         trackElementList.layoutManager = CustomLinearLayoutManager(activity as Context)
         trackElementList.itemAnimator = DefaultItemAnimator()

app/src/main/java/org/y20k/trackbook/helpers/UiHelper.kt

@@ -65,6 +65,24 @@ object UiHelper {
     }
 
 
+    /* Get the height of the system's top status bar */
+    fun getStatusBarHeight(context: Context): Int {
+        var result: Int = 0
+        val resourceId: Int = context.resources.getIdentifier("status_bar_height", "dimen", "android")
+        if (resourceId > 0) {
+            result = context.resources.getDimensionPixelSize(resourceId)
+        }
+        return result
+    }
+
+
+    /* Get scaling factor from display density */
+    fun getDensityScalingFactor(context: Context): Float {
+        return context.resources.displayMetrics.density
+    }
+
+
+
     /*
      * Inner class: Callback that detects a left swipe
      * Credit: https://github.com/kitek/android-rv-swipe-delete/blob/master/app/src/main/java/pl/kitek/rvswipetodelete/SwipeToDeleteCallback.kt

app/src/main/java/org/y20k/trackbook/ui/MapFragmentLayoutHolder.kt

@@ -42,16 +42,13 @@ import org.osmdroid.views.overlay.compass.InternalCompassOrientationProvider
 import org.y20k.trackbook.Keys
 import org.y20k.trackbook.R
 import org.y20k.trackbook.core.Track
-import org.y20k.trackbook.helpers.AppThemeHelper
+import org.y20k.trackbook.helpers.*
-import org.y20k.trackbook.helpers.LogHelper
-import org.y20k.trackbook.helpers.MapOverlayHelper
-import org.y20k.trackbook.helpers.PreferencesHelper
 
 
 /*
  * MapFragmentLayoutHolder class
  */
-data class MapFragmentLayoutHolder(private var context: Context, private var markerListener: MapOverlayHelper.MarkerListener, private var inflater: LayoutInflater, private var container: ViewGroup?, private val startLocation: Location, private val trackingState: Int) {
+data class MapFragmentLayoutHolder(private var context: Context, private var markerListener: MapOverlayHelper.MarkerListener, private var inflater: LayoutInflater, private var container: ViewGroup?, private var statusBarHeight: Int ,private val startLocation: Location, private val trackingState: Int) {
 
     /* Define log tag */
     private val TAG: String = LogHelper.makeLogTag(MapFragmentLayoutHolder::class.java)
@@ -104,7 +101,7 @@ data class MapFragmentLayoutHolder(private var context: Context, private var mar
         // add compass to map
         val compassOverlay = CompassOverlay(context, InternalCompassOrientationProvider(context), mapView)
         compassOverlay.enableCompass()
-        compassOverlay.setCompassCenter(36f, 60f)
+        compassOverlay.setCompassCenter(36f, 36f + (statusBarHeight / UiHelper.getDensityScalingFactor(context)))
 
         mapView.overlays.add(compassOverlay)
 

app/src/main/java/org/y20k/trackbook/ui/TrackFragmentLayoutHolder.kt

@@ -53,7 +53,7 @@ import kotlin.math.roundToInt
 /*
  * TrackFragmentLayoutHolder class
  */
-data class TrackFragmentLayoutHolder(private var context: Context, private var markerListener: MapOverlayHelper.MarkerListener, private var inflater: LayoutInflater, private var container: ViewGroup?, var track: Track): MapListener {
+data class TrackFragmentLayoutHolder(private var context: Context, private var markerListener: MapOverlayHelper.MarkerListener, private var inflater: LayoutInflater, private var statusBarHeight: Int, private var container: ViewGroup?, var track: Track): MapListener {
 
     /* Define log tag */
     private val TAG: String = LogHelper.makeLogTag(TrackFragmentLayoutHolder::class.java)
@@ -140,7 +140,7 @@ data class TrackFragmentLayoutHolder(private var context: Context, private var m
         // add compass to map
         val compassOverlay = CompassOverlay(context, InternalCompassOrientationProvider(context), mapView)
         compassOverlay.enableCompass()
-        compassOverlay.setCompassCenter(36f, 60f)
+        compassOverlay.setCompassCenter(36f, 36f + (statusBarHeight / UiHelper.getDensityScalingFactor(context)))
         mapView.overlays.add(compassOverlay)
 
         // create map overlay

app/src/main/res/layout/fragment_tracklist.xml

@@ -12,7 +12,7 @@
             android:id="@+id/track_element_list"
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:layout_marginTop="28dp"
+            android:layout_marginTop="4dp"
             android:layout_marginBottom="4dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"