0.4.7

Author: A.Badakhshan

app/src/main/java/com/alirezabdn/whygoogle/MainFragment.kt

@@ -1,5 +1,6 @@
 package com.alirezabdn.whygoogle
 
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
@@ -27,6 +28,11 @@ class MainFragment : WhyGoogleFragment<MainFragmentBinding>() {
         }
     }
 
+    override fun onBackToFragment() {
+        super.onBackToFragment()
+        Log.d("WhG", "backtofrag")
+    }
+
     override val bindingInflater: (LayoutInflater, ViewGroup?, Boolean) -> MainFragmentBinding
         get() = MainFragmentBinding::inflate
 }

whygoogle/build.gradle

@@ -11,7 +11,7 @@ android {
         minSdkVersion 17
         targetSdkVersion 30
         versionCode 1
-        versionName "0.4.6"
+        versionName "0.4.7"
     }
     buildFeatures {
         viewBinding true

whygoogle/src/main/java/ir/ayantech/whygoogle/activity/SwipableWhyGoogleActivity.kt

@@ -45,19 +45,22 @@ abstract class SwipableWhyGoogleActivity<T : ViewBinding> : AppCompatActivity(),
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(binding.root)
-        fragmentHost.registerOnPageChangeCallback(object : NonFinalViewPager2.OnPageChangeCallback() {
+        fragmentHost.registerOnPageChangeCallback(object :
+            NonFinalViewPager2.OnPageChangeCallback() {
             override fun onPageScrollStateChanged(state: Int) {
                 super.onPageScrollStateChanged(state)
                 if (state == ViewPager2.SCROLL_STATE_IDLE) {
                     val previousCount = getFragmentCount()
                     while (fragmentHost.currentItem <= getFragmentCount() - 2) {
                         fragmentStack.removeLast()
                     }
-                    if (previousCount >= fragmentHost.currentItem + 2)
+                    if (previousCount >= fragmentHost.currentItem + 2) {
                         whyGoogleFragmentAdapter.notifyItemRangeRemoved(
                             fragmentHost.currentItem + 1,
                             previousCount - fragmentHost.currentItem - 1
                         )
+                        fragmentStack.lastOrNull()?.onBackToFragment()
+                    }
                     onTopFragmentChanged(fragmentStack.last())
                     fragmentStack.last().onFragmentVisible()
                 }
@@ -173,7 +176,9 @@ abstract class SwipableWhyGoogleActivity<T : ViewBinding> : AppCompatActivity(),
         when {
             fragmentStack.lastOrNull()?.onBackPressed() == true -> {
             }
-            getFragmentCount() > 1 -> trying { pop() }
+            getFragmentCount() > 1 -> trying {
+                pop()
+            }
             else -> ActivityCompat.finishAfterTransition(this)
         }
     }

whygoogle/src/main/java/ir/ayantech/whygoogle/fragment/WhyGoogleFragment.kt

@@ -173,4 +173,6 @@ abstract class WhyGoogleFragment<T : ViewBinding> : Fragment() {
     fun popAll() {
         (activity as? WhyGoogleInterface)?.popAll()
     }
+
+    open fun onBackToFragment() {}
 }