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Commit 0c6feae

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add bottomNavigation with ViewPager and NavHostContainerFragment
1 parent 1c212a4 commit 0c6feae

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41 files changed

+840
-37
lines changed

‎app/src/main/java/com/smarttoolfactory/postdynamichilt/MainActivity.kt

Lines changed: 4 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -2,18 +2,16 @@ package com.smarttoolfactory.postdynamichilt
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import android.os.Bundle
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import androidx.appcompat.app.AppCompatActivity
5-
import com.smarttoolfactory.domain.usecase.GetPostListUseCaseFlow
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import androidx.databinding.DataBindingUtil
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import com.smarttoolfactory.postdynamichilt.databinding.ActivityMainBinding
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import dagger.hilt.android.AndroidEntryPoint
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import javax.inject.Inject
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@AndroidEntryPoint
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class MainActivity : AppCompatActivity() {
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@Inject
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lateinit var getPostListUseCaseFlow: GetPostListUseCaseFlow
14-
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
17-
setContentView(R.layout.activity_main)
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val dataBinding: ActivityMainBinding =
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DataBindingUtil.setContentView(this, R.layout.activity_main)
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}
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}
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@@ -0,0 +1,14 @@
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package com.smarttoolfactory.postdynamichilt.account
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import com.smarttoolfactory.core.ui.fragment.DynamicNavigationFragment
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import com.smarttoolfactory.postdynamichilt.R
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import com.smarttoolfactory.postdynamichilt.databinding.FragmentAccountBinding
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class AccountFragment : DynamicNavigationFragment<FragmentAccountBinding>() {
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override fun getLayoutRes(): Int = R.layout.fragment_account
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override fun bindViews() {
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println("")
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}
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}
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@@ -0,0 +1,14 @@
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package com.smarttoolfactory.postdynamichilt.account
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import com.smarttoolfactory.core.ui.fragment.DynamicNavigationFragment
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import com.smarttoolfactory.postdynamichilt.R
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import com.smarttoolfactory.postdynamichilt.databinding.FragmentDashboardBinding
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class DashboardFragment : DynamicNavigationFragment<FragmentDashboardBinding>() {
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override fun getLayoutRes(): Int = R.layout.fragment_dashboard
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override fun bindViews() {
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println("")
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}
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}
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,14 @@
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package com.smarttoolfactory.postdynamichilt.account
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3+
import com.smarttoolfactory.core.ui.fragment.DynamicNavigationFragment
4+
import com.smarttoolfactory.postdynamichilt.R
5+
import com.smarttoolfactory.postdynamichilt.databinding.FragmentHomeBinding
6+
7+
class HomeFragment : DynamicNavigationFragment<FragmentHomeBinding>() {
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9+
override fun getLayoutRes(): Int = R.layout.fragment_home
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override fun bindViews() {
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println("")
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}
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}
Lines changed: 14 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,14 @@
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package com.smarttoolfactory.postdynamichilt.account
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import com.smarttoolfactory.core.ui.fragment.DynamicNavigationFragment
4+
import com.smarttoolfactory.postdynamichilt.R
5+
import com.smarttoolfactory.postdynamichilt.databinding.FragmentNotificationBinding
6+
7+
class NotificationFragment : DynamicNavigationFragment<FragmentNotificationBinding>() {
8+
9+
override fun getLayoutRes(): Int = R.layout.fragment_notification
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11+
override fun bindViews() {
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println("")
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}
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}
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,80 @@
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package com.smarttoolfactory.postdynamichilt.main
2+
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import android.os.Bundle
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import android.view.View
5+
import androidx.navigation.fragment.findNavController
6+
import com.smarttoolfactory.core.ui.fragment.BaseDataBindingFragment
7+
import com.smarttoolfactory.postdynamichilt.R
8+
import com.smarttoolfactory.postdynamichilt.databinding.FragmentMainBinding
9+
import com.smarttoolfactory.postdynamichilt.ui.BottomNavigationStateAdapter
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class MainFragment : BaseDataBindingFragment<FragmentMainBinding>() {
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override fun getLayoutRes(): Int = R.layout.fragment_main
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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18+
println("🔥 MainFragmentWithViewPager navController: ${findNavController()}")
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20+
val binding = dataBinding!!
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22+
val viewPager2 = binding.viewPager
23+
val bottomNavigationView = binding.bottomNav
24+
25+
// Cancel ViewPager swipe
26+
viewPager2.isUserInputEnabled = false
27+
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// Set viewpager adapter
29+
viewPager2.adapter =
30+
BottomNavigationStateAdapter(childFragmentManager, viewLifecycleOwner.lifecycle)
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// Listen bottom navigation tabs change
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bottomNavigationView.setOnNavigationItemSelectedListener {
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35+
when (it.itemId) {
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R.id.nav_graph_home -> {
38+
viewPager2.setCurrentItem(0, false)
39+
return@setOnNavigationItemSelectedListener true
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}
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R.id.nav_graph_dashboard -> {
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viewPager2.setCurrentItem(1, false)
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return@setOnNavigationItemSelectedListener true
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}
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R.id.nav_graph_notification -> {
48+
viewPager2.setCurrentItem(2, false)
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return@setOnNavigationItemSelectedListener true
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}
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else -> {
53+
viewPager2.setCurrentItem(3, false)
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return@setOnNavigationItemSelectedListener true
55+
}
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}
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}
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false
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}
60+
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override fun bindViews() {
62+
println("")
63+
}
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override fun onDestroyView() {
66+
67+
val viewPager2 = dataBinding?.viewPager
68+
69+
/*
70+
Without setting ViewPager2 Adapter it causes memory leak
71+
72+
https://stackoverflow.com/questions/62851425/viewpager2-inside-a-fragment-leaks-after-replacing-the-fragment-its-in-by-navig
73+
*/
74+
viewPager2?.let {
75+
it.adapter = null
76+
}
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super.onDestroyView()
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}
80+
}

‎app/src/main/java/com/smarttoolfactory/postdynamichilt/postlist/PostListFragment.kt

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@ import androidx.core.os.bundleOf
66
import androidx.fragment.app.viewModels
77
import androidx.navigation.fragment.findNavController
88
import androidx.recyclerview.widget.LinearLayoutManager
9-
import com.smarttoolfactory.core.ui.base.DynamicNavigationFragment
9+
import com.smarttoolfactory.core.ui.fragment.DynamicNavigationFragment
1010
import com.smarttoolfactory.postdynamichilt.R
1111
import com.smarttoolfactory.postdynamichilt.databinding.FragmentPostListBinding
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import dagger.hilt.android.AndroidEntryPoint
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,79 @@
1+
package com.smarttoolfactory.postdynamichilt.ui
2+
3+
import androidx.fragment.app.Fragment
4+
import androidx.fragment.app.FragmentManager
5+
import androidx.fragment.app.commitNow
6+
import androidx.lifecycle.Lifecycle
7+
import androidx.navigation.dynamicfeatures.fragment.DynamicNavHostFragment
8+
import androidx.navigation.fragment.NavHostFragment
9+
import androidx.viewpager2.adapter.FragmentStateAdapter
10+
import androidx.viewpager2.adapter.FragmentStateAdapter.FragmentTransactionCallback.OnPostEventListener
11+
import com.google.android.material.bottomnavigation.BottomNavigationView
12+
import com.smarttoolfactory.core.ui.fragment.navhost.NavHostContainerFragment
13+
import com.smarttoolfactory.postdynamichilt.R
14+
15+
/**
16+
* ViewPager2 Adapter for changing tabs of BottomNavigationView
17+
*
18+
* * This adapter is used because [BottomNavigationView] with back navigation does not support
19+
* [DynamicNavHostFragment] since [NavHostFragment.create] returns [NavHostFragment]
20+
* instead of type T:[NavHostFragment]`
21+
*/
22+
class BottomNavigationStateAdapter(fragmentManager: FragmentManager, lifecycle: Lifecycle) :
23+
FragmentStateAdapter(fragmentManager, lifecycle) {
24+
25+
init {
26+
27+
// Add a FragmentTransactionCallback to handle changing
28+
// the primary navigation fragment
29+
registerFragmentTransactionCallback(object : FragmentTransactionCallback() {
30+
31+
override fun onFragmentMaxLifecyclePreUpdated(
32+
fragment: Fragment,
33+
maxLifecycleState: Lifecycle.State
34+
) = if (maxLifecycleState == Lifecycle.State.RESUMED) {
35+
36+
// This fragment is becoming the active Fragment - set it to
37+
// the primary navigation fragment in the OnPostEventListener
38+
OnPostEventListener {
39+
fragment.parentFragmentManager.commitNow {
40+
setPrimaryNavigationFragment(fragment)
41+
}
42+
}
43+
} else {
44+
super.onFragmentMaxLifecyclePreUpdated(fragment, maxLifecycleState)
45+
}
46+
})
47+
}
48+
49+
override fun getItemCount(): Int = 4
50+
51+
override fun createFragment(position: Int): Fragment {
52+
53+
return when (position) {
54+
// ViewPager Fragment NavHost Container
55+
0 -> NavHostContainerFragment.newInstance(
56+
R.layout.fragment_navhost_home,
57+
R.id.nested_nav_host_fragment_home
58+
)
59+
60+
// Dashboard Fragment NavHost Container
61+
1 -> NavHostContainerFragment.newInstance(
62+
R.layout.fragment_navhost_dashboard,
63+
R.id.nested_nav_host_fragment_dashboard
64+
)
65+
66+
// Notification Fragment NavHost Container
67+
2 -> NavHostContainerFragment.newInstance(
68+
R.layout.fragment_navhost_notification,
69+
R.id.nested_nav_host_fragment_notification
70+
)
71+
72+
// Account Fragment NavHost Container
73+
else -> NavHostContainerFragment.newInstance(
74+
R.layout.fragment_navhost_account,
75+
R.id.nested_nav_host_fragment_account
76+
)
77+
}
78+
}
79+
}
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:viewportWidth="24"
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android:viewportHeight="24"
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android:tint="?attr/colorControlNormal">
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<path
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android:fillColor="@android:color/white"
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android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,5c1.66,0 3,1.34 3,3s-1.34,3 -3,3 -3,-1.34 -3,-3 1.34,-3 3,-3zM12,19.2c-2.5,0 -4.71,-1.28 -6,-3.22 0.03,-1.99 4,-3.08 6,-3.08 1.99,0 5.97,1.09 6,3.08 -1.29,1.94 -3.5,3.22 -6,3.22z"/>
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</vector>
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="24dp"
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android:height="24dp"
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android:viewportWidth="24"
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android:viewportHeight="24"
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android:tint="?attr/colorControlNormal">
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<path
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android:fillColor="@android:color/white"
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android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z"/>
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</vector>

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