Just trying to fix fragment issues.

app/proguard-rules.pro

@@ -30,22 +30,6 @@
     <fields>;
 }
 
-
-##Retrofit
-#-keep class com.google.gson.** { *; }
-#-keep class com.google.inject.** { *; }
-#-keep class org.apache.http.** { *; }
-#-keep class org.apache.james.mime4j.** { *; }
-#-keep class javax.inject.** { *; }
-#-keep class retrofit.** { *; }
-#-keepclassmembernames interface * {
-#    @retrofit.http.* <methods>;
-#}
-#-keep class retrofit.** { *; }
-#-keep class apps.amine.bou.readerforselfoss.api.selfoss.model.** { *; }
-#-keepclassmembernames interface * {
-#    @retrofit.http.* <methods>;
-#}
 -dontwarn okio.**
 -dontwarn retrofit2.Platform$Java8
 -keep class retrofit.** { *; }
@@ -75,4 +59,7 @@
 
 -dontwarn javax.annotation.**
 
--keep class android.support.v7.widget.SearchView { *; }
+-keep class android.support.v7.widget.SearchView { *; }
+
+# maybe remove later ?
+-keep class * extends androidx.fragment.app.Fragment

app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt

@@ -1034,6 +1034,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                             this,
                             items,
                             api,
+                            db,
                             customTabActivityHelper,
                             internalBrowser,
                             articleViewer,
@@ -1050,6 +1051,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                             this,
                             items,
                             api,
+                            db,
                             customTabActivityHelper,
                             internalBrowser,
                             articleViewer,

app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt

@@ -13,14 +13,18 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.room.Room
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
 import apps.amine.bou.readerforselfoss.fragments.ArticleFragment
+import apps.amine.bou.readerforselfoss.persistence.database.AppDatabase
+import apps.amine.bou.readerforselfoss.persistence.migrations.MIGRATION_1_2
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.themes.Toppings
 import apps.amine.bou.readerforselfoss.transformers.DepthPageTransformer
 import apps.amine.bou.readerforselfoss.utils.maybeHandleSilentException
+import apps.amine.bou.readerforselfoss.utils.persistence.toEntity
 import apps.amine.bou.readerforselfoss.utils.succeeded
 import apps.amine.bou.readerforselfoss.utils.toggleStar
 import com.ftinc.scoop.Scoop
@@ -30,6 +34,7 @@ import org.acra.ACRA
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
+import kotlin.concurrent.thread
 
 class ReaderActivity : AppCompatActivity() {
 
@@ -42,6 +47,8 @@ class ReaderActivity : AppCompatActivity() {
 
     private lateinit var toolbarMenu: Menu
 
+    private lateinit var db: AppDatabase
+
     private fun showMenuItem(willAddToFavorite: Boolean) {
         toolbarMenu.findItem(R.id.save).isVisible = willAddToFavorite
         toolbarMenu.findItem(R.id.unsave).isVisible = !willAddToFavorite
@@ -60,6 +67,11 @@ class ReaderActivity : AppCompatActivity() {
 
         setContentView(R.layout.activity_reader)
 
+        db = Room.databaseBuilder(
+            applicationContext,
+            AppDatabase::class.java, "selfoss-database"
+        ).addMigrations(MIGRATION_1_2).build()
+
         val scoop = Scoop.getInstance()
         scoop.bind(this, Toppings.PRIMARY.value, toolBar)
         if  (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
@@ -89,7 +101,7 @@ class ReaderActivity : AppCompatActivity() {
 
         currentItem = intent.getIntExtra("currentItem", 0)
 
-        readItem(allItems[currentItem].id)
+        readItem(allItems[currentItem])
 
         pager.adapter = ScreenSlidePagerAdapter(supportFragmentManager, AppColors(this@ReaderActivity))
         pager.currentItem = currentItem
@@ -113,15 +125,18 @@ class ReaderActivity : AppCompatActivity() {
                     } else {
                         canFavorite()
                     }
-                    readItem(allItems[pager.currentItem].id)
+                    readItem(allItems[pager.currentItem])
                 }
             }
         )
     }
 
-    fun readItem(id: String) {
+    fun readItem(item: Item) {
         if (markOnScroll) {
-            api.markItem(id).enqueue(
+            thread {
+                db.itemsDao().delete(item.toEntity())
+            }
+            api.markItem(item.id).enqueue(
                 object : Callback<SuccessResponse> {
                     override fun onResponse(
                         call: Call<SuccessResponse>,
@@ -145,6 +160,9 @@ class ReaderActivity : AppCompatActivity() {
                         call: Call<SuccessResponse>,
                         t: Throwable
                     ) {
+                        thread {
+                            db.itemsDao().insertAllItems(item.toEntity())
+                        }
                         if (debugReadingItems) {
                             ACRA.getErrorReporter().maybeHandleSilentException(t, this@ReaderActivity)
                         }

app/src/main/java/apps/amine/bou/readerforselfoss/adapters/ItemCardAdapter.kt

@@ -14,6 +14,7 @@ import apps.amine.bou.readerforselfoss.R
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
+import apps.amine.bou.readerforselfoss.persistence.database.AppDatabase
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.utils.buildCustomTabsIntent
 import apps.amine.bou.readerforselfoss.utils.customtabs.CustomTabActivityHelper
@@ -38,6 +39,7 @@ class ItemCardAdapter(
     override val app: Activity,
     override var items: ArrayList<Item>,
     override val api: SelfossApi,
+    override val db: AppDatabase,
     private val helper: CustomTabActivityHelper,
     private val internalBrowser: Boolean,
     private val articleViewer: Boolean,

app/src/main/java/apps/amine/bou/readerforselfoss/adapters/ItemListAdapter.kt

@@ -14,6 +14,7 @@ import apps.amine.bou.readerforselfoss.R
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
+import apps.amine.bou.readerforselfoss.persistence.database.AppDatabase
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.utils.buildCustomTabsIntent
 import apps.amine.bou.readerforselfoss.utils.customtabs.CustomTabActivityHelper
@@ -39,6 +40,7 @@ class ItemListAdapter(
     override val app: Activity,
     override var items: ArrayList<Item>,
     override val api: SelfossApi,
+    override val db: AppDatabase,
     private val helper: CustomTabActivityHelper,
     private val internalBrowser: Boolean,
     private val articleViewer: Boolean,

app/src/main/java/apps/amine/bou/readerforselfoss/adapters/ItemsAdapter.kt

@@ -10,17 +10,21 @@ import apps.amine.bou.readerforselfoss.R
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
+import apps.amine.bou.readerforselfoss.persistence.database.AppDatabase
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.utils.maybeHandleSilentException
+import apps.amine.bou.readerforselfoss.utils.persistence.toEntity
 import apps.amine.bou.readerforselfoss.utils.succeeded
 import org.acra.ACRA
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
+import kotlin.concurrent.thread
 
 abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapter<VH>() {
     abstract var items: ArrayList<Item>
     abstract val api: SelfossApi
+    abstract val db: AppDatabase
     abstract val debugReadingItems: Boolean
     abstract val userIdentifier: String
     abstract val app: Activity
@@ -42,6 +46,9 @@ abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapte
             )
             .setAction(R.string.undo_string) {
                 items.add(position, i)
+                thread {
+                    db.itemsDao().insertAllItems(i.toEntity())
+                }
                 notifyItemInserted(position)
                 updateItems(items)
 
@@ -54,6 +61,9 @@ abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapte
 
                     override fun onFailure(call: Call<SuccessResponse>, t: Throwable) {
                         items.remove(i)
+                        thread {
+                            db.itemsDao().delete(i.toEntity())
+                        }
                         notifyItemRemoved(position)
                         updateItems(items)
                         doUnmark(i, position)
@@ -75,6 +85,12 @@ abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapte
         notifyItemRemoved(position)
         updateItems(items)
 
+        // TODO: Handle network status.
+        // IF offline, delete from cached articles, and add to some table that will replay the calls on network activation.
+
+        thread {
+            db.itemsDao().delete(i.toEntity())
+        }
 
         api.markItem(i.id).enqueue(object : Callback<SuccessResponse> {
             override fun onResponse(
@@ -93,6 +109,7 @@ abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapte
                     ACRA.getErrorReporter().maybeHandleSilentException(Exception(message), app)
                     Toast.makeText(app.baseContext, message, Toast.LENGTH_LONG).show()
                 }
+
                 doUnmark(i, position)
             }
 
@@ -110,6 +127,9 @@ abstract class ItemsAdapter<VH : RecyclerView.ViewHolder?> : RecyclerView.Adapte
                 notifyItemInserted(position)
                 updateItems(items)
 
+                thread {
+                    db.itemsDao().insertAllItems(i.toEntity())
+                }
             }
         })
     }

app/src/main/java/apps/amine/bou/readerforselfoss/persistence/dao/ItemsDao.kt

@@ -1,6 +1,7 @@
 package apps.amine.bou.readerforselfoss.persistence.dao
 
 import androidx.room.Dao
+import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
@@ -15,11 +16,14 @@ interface ItemsDao {
     fun items(): List<ItemEntity>
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun insertAllItems(vararg tags: ItemEntity)
+    fun insertAllItems(vararg items: ItemEntity)
 
     @Query("DELETE FROM items")
     fun deleteAllItems()
 
+    @Delete
+    fun delete(item: ItemEntity)
+
     @Update
     fun updateItem(item: ItemEntity)
 }