Various Android TV homepage fixes

app/src/main/java/com/lagradost/cloudstream3/MainActivity.kt

@@ -1,6 +1,7 @@
 package com.lagradost.cloudstream3
 
 import android.content.ComponentName
+import android.content.DialogInterface
 import android.content.Intent
 import android.content.res.ColorStateList
 import android.content.res.Configuration
@@ -102,6 +103,7 @@ import java.net.URI
 import java.net.URLDecoder
 import java.nio.charset.Charset
 import kotlin.reflect.KClass
+import kotlin.system.exitProcess
 
 
 //https://github.com/videolan/vlc-android/blob/3706c4be2da6800b3d26344fc04fab03ffa4b860/application/vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.kt#L1898
@@ -505,10 +507,13 @@ class MainActivity : AppCompatActivity(), ColorPickerDialogListener {
         val builder: AlertDialog.Builder = AlertDialog.Builder(this)
         builder.setTitle(R.string.confirm_exit_dialog)
         builder.apply {
-            setPositiveButton(R.string.yes) { _, _ -> super.onBackPressed() }
+            // Forceful exit since back button can actually go back to setup
+            setPositiveButton(R.string.yes) { _, _ -> exitProcess(0) }
             setNegativeButton(R.string.no) { _, _ -> }
         }
-        builder.show()
+        builder.show().also {
+            it.getButton(DialogInterface.BUTTON_NEGATIVE).requestFocus()
+        }
     }
 
     private fun backPressed() {

app/src/main/java/com/lagradost/cloudstream3/ui/APIRepository.kt

@@ -81,6 +81,8 @@ class APIRepository(val api: MainAPI) {
             }
 
             api.load(fixedUrl)?.also { response ->
+                // Remove all blank tags as early as possible
+                response.tags = response.tags?.filter { it.isNotBlank() }
                 val add = SavedLoadResponse(unixTime, response, lookingForHash)
 
                 synchronized(cache) {
@@ -122,7 +124,6 @@ class APIRepository(val api: MainAPI) {
         delay(delta)
     }
 
-    @OptIn(DelicateCoroutinesApi::class)
     suspend fun getMainPage(page: Int, nameIndex: Int? = null): Resource<List<HomePageResponse?>> {
         return safeApiCall {
             api.lastHomepageRequest = unixTimeMS

app/src/main/java/com/lagradost/cloudstream3/ui/home/HomeParentItemAdapterPreview.kt

@@ -268,11 +268,23 @@ class HomeParentItemAdapterPreview(
                                     )
                                 )
                             }
+
+                            // This makes the hidden next buttons only available when on the info button
+                            // Otherwise you might be able to go to the next item without being at the info button
+                            itemView.home_preview_info_btt?.setOnFocusChangeListener { _, hasFocus ->
+                                itemView.home_preview_hidden_next_focus?.isFocusable = hasFocus
+                            }
+                            itemView.home_preview_play_btt?.setOnFocusChangeListener { _, hasFocus ->
+                                itemView.home_preview_hidden_prev_focus?.isFocusable = hasFocus
+                            }
+
+
                             itemView.home_preview_info_btt?.setOnClickListener { view ->
                                 clickCallback?.invoke(
                                     LoadClickCallback(0, view, position, this)
                                 )
                             }
+
                             itemView.home_preview_hidden_next_focus?.setOnFocusChangeListener { _, hasFocus ->
                                 if (hasFocus) {
                                     previewViewpager?.apply {
@@ -281,6 +293,7 @@ class HomeParentItemAdapterPreview(
                                     itemView.home_preview_info_btt?.requestFocus()
                                 }
                             }
+
                             itemView.home_preview_hidden_prev_focus?.setOnFocusChangeListener { _, hasFocus ->
                                 if (hasFocus) {
                                     previewViewpager?.apply {

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

@@ -20,6 +20,7 @@
         android:layout_height="wrap_content">
 
         <androidx.viewpager2.widget.ViewPager2
+            android:descendantFocusability="blocksDescendants"
             android:id="@+id/home_preview_viewpager"
             android:layout_width="match_parent"
             android:layout_height="400dp"
@@ -87,7 +88,7 @@
                     android:id="@+id/home_preview_hidden_prev_focus"
                     android:layout_width="1dp"
                     android:layout_height="1dp"
-                    android:focusable="true" />
+                    android:focusable="false" />
 
                 <com.google.android.material.button.MaterialButton
                     android:id="@+id/home_preview_play_btt"
@@ -119,7 +120,7 @@
                     android:id="@+id/home_preview_hidden_next_focus"
                     android:layout_width="1dp"
                     android:layout_height="1dp"
-                    android:focusable="true" />
+                    android:focusable="false" />
             </LinearLayout>
         </LinearLayout>
     </FrameLayout>