auto-resize search suggestion text to avoid horizontal cuts on device…

…s with bigger text sizes

app/src/main/res/values-v26/styles.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+	<!-- When users increase the text size in the accessibility settings, the search suggestions
+	 popup cuts the text (it only shows the top half of the letters), because the height of the
+	 "dropdown menu list item" is fixed somewhere. We solve the bug with this override of the style
+	 used by "dropdown list items" such as the search suggestions -->
+	<style name="ReadableSearchSuggestionListItem" parent="android:Widget.Material.DropDownItem">
+		<!-- we force the text to resize in order to fit the fixed height of the list item -->
+		<item name="android:autoSizeTextType">uniform</item>
+		<item name="android:autoSizeMinTextSize">1sp</item>
+		<item name="android:autoSizeStepGranularity">0.1sp</item>
+		<item name="android:autoSizeMaxTextSize">50sp</item>
+	</style>
+</resources>

app/src/main/res/values/styles.xml

@@ -118,4 +118,13 @@
 		<item name="android:padding">0dp</item>
 	</style>
 
+	<!-- When users increase the text size in the accessibility settings, the search suggestions
+	 popup cuts the text (it only shows the top half of the letters), because the height of the
+	 "dropdown menu list item" is fixed somewhere. We solve the bug with this override of the style
+	 used by "dropdown list items" such as the search suggestions -->
+	<style name="ReadableSearchSuggestionListItem" parent="android:Widget.Material.DropDownItem">
+		<!-- on API versions < 26 the bug is not present
+		 and we don't have the API to fix it, anyway -->
+	</style>
+
 </resources>

app/src/main/res/values/themes.xml

@@ -42,6 +42,7 @@
 		<item name="ListDividerStyle">@style/ListSpaceDividerStyle</item>
 		<item name="ListMarginStyle">@style/ListMarginStyleClassic</item>
 		<item name="LeftDrawerStyle">@style/LeftDrawerStyleDark</item>
+		<item name="android:dropDownItemStyle">@style/ReadableSearchSuggestionListItem</item>
 		<!-- make all dialogs in the app use this dialog theme.
 		 I chose a dark theme consistent with the device's OS design. -->
 		<item name="alertDialogTheme">@style/ThemeNnnDialogDark</item>
@@ -103,6 +104,7 @@
 		<item name="ListMarginStyle">@style/ListMarginStyleCard</item>
 		<item name="LeftDrawerStyle">@style/LeftDrawerStyleLight</item>
 		<item name="colorAccent">@color/accent</item>
+		<item name="android:dropDownItemStyle">@style/ReadableSearchSuggestionListItem</item>
 		<!-- make all dialogs in the app use this dialog theme.
 		 I chose a LIGHT theme consistent with the device's OS design. -->
 		<item name="alertDialogTheme">@style/ThemeNnnDialogLight</item>