Avoid to reload feeds on every click of navigation drawer

alirezaeiii · Dec 15, 2023 · 5c9e480 · 5c9e480
1 parent 3f7be0b
commit 5c9e480
Showing 1 changed file with 24 additions and 8 deletions.
diff --git a/app/src/main/java/com/sample/android/tmdb/ui/feed/FeedFragment.kt b/app/src/main/java/com/sample/android/tmdb/ui/feed/FeedFragment.kt
@@ -4,6 +4,8 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.compose.runtime.Composable
+import com.sample.android.tmdb.domain.model.FeedWrapper
 import com.sample.android.tmdb.domain.model.TmdbItem
 import com.sample.android.tmdb.ui.base.BaseNavigationFragment
 import com.sample.android.tmdb.ui.common.Content
@@ -12,22 +14,36 @@ import com.sample.android.tmdb.ui.common.composeView
 
 abstract class FeedFragment<T : TmdbItem> : BaseNavigationFragment<Nothing>() {
 
+    private var feeds: List<FeedWrapper<T>>? = null
+
     protected abstract val viewModel: FeedViewModel<T>
 
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View = composeView {
-        TmdbTheme {
-            Content(viewModel) {
-                FeedCollectionList(
-                    navType,
-                    it
-                ) { tmdbItem ->
-                    startDetailActivity(tmdbItem)
+    ): View {
+        return composeView {
+            TmdbTheme {
+                if (feeds == null) {
+                    Content(viewModel) {
+                        feeds = it
+                        FeedCollectionScreen()
+                    }
+                } else {
+                    FeedCollectionScreen()
                 }
             }
         }
     }
+
+    @Composable
+    private fun FeedCollectionScreen() {
+        FeedCollectionList(
+            navType,
+            feeds!!
+        ) { tmdbItem ->
+            startDetailActivity(tmdbItem)
+        }
+    }
 }