Fix subscription picker colors on API 19

Author: krlvm

app/src/main/java/org/schabi/newpipe/local/subscription/dialog/FeedGroupDialog.kt

@@ -1,6 +1,7 @@
 package org.schabi.newpipe.local.subscription.dialog
 
 import android.app.Dialog
+import android.content.res.ColorStateList
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -12,6 +13,7 @@ import androidx.core.content.getSystemService
 import androidx.core.os.bundleOf
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
+import androidx.core.widget.ImageViewCompat
 import androidx.core.widget.doOnTextChanged
 import androidx.fragment.app.DialogFragment
 import androidx.lifecycle.Observer
@@ -123,6 +125,14 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
         _feedGroupCreateBinding = DialogFeedGroupCreateBinding.bind(view)
         _searchLayoutBinding = feedGroupCreateBinding.subscriptionsHeaderSearchContainer
 
+        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
+            // KitKat doesn't apply container's theme to <include> content
+            val contrastColor = ColorStateList.valueOf(resources.getColor(R.color.contrastColor))
+            searchLayoutBinding.toolbarSearchEditText.setTextColor(contrastColor)
+            searchLayoutBinding.toolbarSearchEditText.setHintTextColor(contrastColor.withAlpha(128))
+            ImageViewCompat.setImageTintList(searchLayoutBinding.toolbarSearchClearIcon, contrastColor)
+        }
+
         viewModel = ViewModelProvider(
             this,
             FeedGroupDialogViewModel.Factory(

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

@@ -42,6 +42,7 @@
             android:background="?attr/selectableItemBackgroundBorderless" />
 
         <ImageView
+            android:id="@+id/toolbar_search_clear_icon"
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_gravity="center"