[Feature] Add TV support.

Fixes: #987

Author: zhanghai

app/src/main/AndroidManifest.xml

@@ -9,7 +9,9 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-feature android:name="android.hardware.touchscreen" android:required="false" />
     <uses-feature android:name="android.hardware.wifi" android:required="false" />
+    <uses-feature android:name="android.software.leanback" android:required="false" />
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
@@ -38,6 +40,7 @@
       -->
     <application
         android:allowBackup="true"
+        android:banner="@drawable/banner"
         android:fullBackupContent="true"
         android:icon="@mipmap/launcher_icon"
         android:label="@string/app_name"
@@ -57,6 +60,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>
             <intent-filter tools:ignore="AppLinkUrlError">
                 <action android:name="android.intent.action.VIEW" />

app/src/main/res/drawable-xhdpi/banner.png

@@ -18,6 +18,9 @@
         <item name="android:colorBackground">?colorSurface</item>
         <item name="dropDownListViewStyle">@style/Widget.MaterialFiles.ListView.DropDown</item>
         <item name="windowActionBar">false</item>
+        <!-- https://developer.android.com/training/tv/start/start#transition-color -->
+        <item name="android:windowAllowEnterTransitionOverlap">true</item>
+        <item name="android:windowAllowReturnTransitionOverlap">true</item>
         <item name="windowNoTitle">true</item>
 
         <item name="colorPrimary">@color/color_primary</item>
@@ -67,6 +70,9 @@
         <item name="android:colorBackground">?colorSurface</item>
         <item name="dropDownListViewStyle">@style/Widget.MaterialFiles.ListView.DropDown</item>
         <item name="windowActionBar">false</item>
+        <!-- https://developer.android.com/training/tv/start/start#transition-color -->
+        <item name="android:windowAllowEnterTransitionOverlap">true</item>
+        <item name="android:windowAllowReturnTransitionOverlap">true</item>
         <item name="android:windowBackground">@android:color/black</item>
         <item name="windowNoTitle">true</item>
 

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

@@ -18,6 +18,9 @@
         <item name="android:colorBackground">?colorSurface</item>
         <item name="dropDownListViewStyle">@style/Widget.MaterialFiles.ListView.DropDown</item>
         <item name="windowActionBar">false</item>
+        <!-- https://developer.android.com/training/tv/start/start#transition-color -->
+        <item name="android:windowAllowEnterTransitionOverlap">true</item>
+        <item name="android:windowAllowReturnTransitionOverlap">true</item>
         <item name="windowNoTitle">true</item>
 
         <item name="colorAccent">?colorPrimary</item>
@@ -71,6 +74,9 @@
         <item name="android:colorBackground">?colorSurface</item>
         <item name="dropDownListViewStyle">@style/Widget.MaterialFiles.ListView.DropDown</item>
         <item name="windowActionBar">false</item>
+        <!-- https://developer.android.com/training/tv/start/start#transition-color -->
+        <item name="android:windowAllowEnterTransitionOverlap">true</item>
+        <item name="android:windowAllowReturnTransitionOverlap">true</item>
         <item name="android:windowBackground">@android:color/black</item>
         <item name="windowNoTitle">true</item>
 

app/src/main/res/values/themes_material3.xml

@@ -13,3 +13,6 @@ for shortcut in directory downloads file ftp_server; do
         cp "${shortcut}_shortcut_icon-${dpi}.png" "../app/src/main/res/mipmap-${dpi}/${shortcut}_shortcut_icon.png"
     done
 done
+
+cp banner-xhdpi.png ../app/src/main/res/drawable-xhdpi/banner.png
+cp banner-play.png ../fastlane/metadata/android/en-US/images/tvBanner.png

art/banner-play.png

@@ -29,3 +29,6 @@ for shortcut in directory downloads file ftp_server; do
     inkscape -o "${shortcut}_shortcut_icon-xxhdpi.png" --export-area=15:15:93:93 -w 144 -h 144 "${shortcut}_shortcut_icon.svg"
     inkscape -o "${shortcut}_shortcut_icon-xxxhdpi.png" --export-area=15:15:93:93 -w 192 -h 192 "${shortcut}_shortcut_icon.svg"
 done
+
+inkscape -o banner-xhdpi.png --export-area=0:0:320:180 -w 320 -h 180 banner.svg
+inkscape -o banner-play.png --export-area=0:0:320:180 -w 1280 -h 720 banner.svg