Improved TV Back Button UX (extension content -> extension selection Bttn -> home nav Bttn -> exit dialog)

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

@@ -15,6 +15,7 @@ import android.widget.ImageView
 import android.widget.ListView
 import android.widget.TextView
 import android.widget.Toast
+import androidx.activity.ComponentActivity
 import androidx.appcompat.app.AlertDialog
 import androidx.core.net.toUri
 import androidx.core.view.isGone
@@ -64,6 +65,9 @@ import com.lagradost.cloudstream3.utils.AppContextUtils.loadSearchResult
 import com.lagradost.cloudstream3.utils.AppContextUtils.ownHide
 import com.lagradost.cloudstream3.utils.AppContextUtils.ownShow
 import com.lagradost.cloudstream3.utils.AppContextUtils.setDefaultFocus
+import com.lagradost.cloudstream3.utils.BackPressedCallbackHelper
+import com.lagradost.cloudstream3.utils.BackPressedCallbackHelper.attachBackPressedCallback
+import com.lagradost.cloudstream3.utils.BackPressedCallbackHelper.detachBackPressedCallback
 import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
 import com.lagradost.cloudstream3.utils.DataStoreHelper
 import com.lagradost.cloudstream3.utils.EmptyEvent
@@ -566,6 +570,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(
     }
 
     override fun onDestroyView() {
+        (activity as? ComponentActivity)?.detachBackPressedCallback("HomeFragment_BackPress")
         bottomSheetDialog?.ownHide()
         super.onDestroyView()
     }
@@ -626,6 +631,9 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(
     @SuppressLint("SetTextI18n")
     override fun onBindingCreated(binding: FragmentHomeBinding) {
         context?.let { HomeChildItemAdapter.updatePosterSize(it) }
+        (activity as? ComponentActivity)?.attachBackPressedCallback("HomeFragment_BackPress") {
+            handleTvBackPress(this)
+        }
         binding.apply {
             //homeChangeApiLoading.setOnClickListener(apiChangeClickListener)
             //homeChangeApiLoading.setOnClickListener(apiChangeClickListener)
@@ -884,4 +892,41 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(
             }
         }*/
     }
+
+    private fun handleTvBackPress(helper: BackPressedCallbackHelper.CallbackHelper) {
+        // Only apply custom behavior on TV interface
+        if (!isLayout(TV)) {
+            helper.runDefault()
+            return
+        }
+        val currentFocus = activity?.currentFocus ?: run {
+            helper.runDefault()
+            return
+        }
+        // Check if focus is inside home_master_recycler
+        var parent = currentFocus.parent
+        var isInsideRecycler = false
+        while (parent != null) {
+            if (parent is View && parent.id == R.id.home_master_recycler) {
+                isInsideRecycler = true
+                break
+            }
+            parent = parent.parent
+        }
+        when {
+            // Case 1: Focus is within plugin content -> Move to plugin selector
+            isInsideRecycler -> {
+                binding?.homeMasterRecycler?.smoothScrollToPosition(0)
+                binding?.homeChangeApi?.requestFocus()
+            }            
+            // Case 2: Focus is on plugin selector or nearby buttons -> Move to home navigation
+            currentFocus.id == R.id.home_change_api ||
+            currentFocus.id == R.id.home_preview_reload_provider ||
+            currentFocus.id == R.id.home_preview_search_button -> {
+                activity?.findViewById<View>(R.id.navigation_home)?.requestFocus()
+            }
+            // Case 3: Any other location -> Use default back behavior
+            else -> helper.runDefault()
+        }
+    }
 }