Improve DataSourceSelectFragment UI

Tablet layout: scroll down automatically to reveal "Let's go" button

Author: johan12345

app/src/main/java/net/vonforst/evmap/fragment/OnboardingFragment.kt

@@ -6,17 +6,14 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.graphics.drawable.AnimatedVectorDrawable
 import android.os.Bundle
-import android.text.SpannableString
-import android.text.SpannableStringBuilder
-import android.text.style.URLSpan
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.animation.DecelerateInterpolator
 import android.widget.ImageView
+import android.widget.ScrollView
 import androidx.core.content.ContextCompat
 import androidx.core.text.HtmlCompat
-import androidx.core.text.getSpans
 import androidx.core.text.method.LinkMovementMethodCompat
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
@@ -31,7 +28,6 @@ import net.vonforst.evmap.databinding.FragmentOnboardingWelcomeBinding
 import net.vonforst.evmap.model.FILTERS_DISABLED
 import net.vonforst.evmap.navigation.safeNavigate
 import net.vonforst.evmap.storage.PreferenceDataSource
-import net.vonforst.evmap.ui.CustomUrlSpan
 import net.vonforst.evmap.ui.replaceUrlSpansWithCustom
 import net.vonforst.evmap.waitForLayout
 
@@ -267,6 +263,9 @@ class DataSourceSelectFragment : OnboardingPageFragment() {
                     ObjectAnimator.ofFloat(binding.btnGetStarted, "alpha", 0f, 1f).apply {
                         interpolator = DecelerateInterpolator()
                     }.start()
+                    (binding.root as? ScrollView)?.let {
+                        it.smoothScrollBy(0, it.height)
+                    }
                 }
             }
         }

app/src/main/res/layout-land/fragment_onboarding_data_source.xml

@@ -12,6 +12,7 @@
         android:layout_marginStart="24dp"
         android:layout_marginTop="16dp"
         android:layout_marginBottom="16dp"
+        android:requiresFadingEdge="vertical"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@+id/welcomeTitle"
         app:layout_constraintHorizontal_bias="0.5"

app/src/main/res/layout-sw720dp/fragment_onboarding_data_source.xml

@@ -4,7 +4,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     xmlns:tools="http://schemas.android.com/tools"
-    android:fillViewport="true">
+    android:fillViewport="true"
+    android:requiresFadingEdge="vertical">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
@@ -30,13 +31,16 @@
             android:layout_marginStart="32dp"
             android:layout_marginEnd="32dp"
             android:layout_marginBottom="16dp"
+            android:layout_marginTop="32dp"
             android:gravity="center"
             android:text="@string/pref_data_source"
             android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall"
             app:layout_constraintBottom_toTopOf="@+id/welcomeText2"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintHorizontal_bias="0.5"
-            app:layout_constraintStart_toStartOf="parent" />
+            app:layout_constraintVertical_bias="1.0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
 
         <TextView
             android:id="@+id/welcomeText2"
@@ -61,7 +65,7 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="32dp"
             android:layout_marginEnd="32dp"
-            android:layout_marginBottom="32dp"
+            android:layout_marginBottom="16dp"
             android:gravity="center"
             android:text="@string/data_sources_hint"
             android:textAppearance="@style/TextAppearance.Material3.BodySmall"