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Code Issues Projects Releases Packages Wiki Activity Actions

replace (ViewPager, FragmentPagerAdapter) by (ViewPager2, FragmentStateAdapter)

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This commit is contained in:
Josia Pietsch 2025-03-16 04:12:34 +01:00
parent 47940811b4
commit 90434617e7
Signed by: jrpie
GPG key ID: E70B571D66986A2D
4 changed files with 40 additions and 41 deletions
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29
app/src/main/java/de/jrpie/android/launcher/ui/list/ListActivity.kt
View file

@ -12,10 +12,8 @@ import android.window.OnBackInvokedDispatcher
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.content.res.AppCompatResources
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentManager
import androidx.fragment.app.FragmentPagerAdapter
import androidx.viewpager.widget.ViewPager
import com.google.android.material.tabs.TabLayout
import androidx.viewpager2.adapter.FragmentStateAdapter
import com.google.android.material.tabs.TabLayoutMediator
import de.jrpie.android.launcher.Application
import de.jrpie.android.launcher.R
import de.jrpie.android.launcher.REQUEST_UNINSTALL
@ -241,11 +239,14 @@ class ListActivity : AppCompatActivity(), UIObject {
updateTitle()
val sectionsPagerAdapter = ListSectionsPagerAdapter(this, supportFragmentManager)
val viewPager: ViewPager = findViewById(R.id.list_viewpager)
viewPager.adapter = sectionsPagerAdapter
val tabs: TabLayout = findViewById(R.id.list_tabs)
tabs.setupWithViewPager(viewPager)
val sectionsPagerAdapter = ListSectionsPagerAdapter(this)
binding.listViewpager.apply {
adapter = sectionsPagerAdapter
currentItem = 0
}
TabLayoutMediator(binding.listTabs, binding.listViewpager) { tab, position ->
tab.text = sectionsPagerAdapter.getPageTitle(position)
}.attach()
}
}
@ -258,10 +259,10 @@ private val TAB_TITLES = arrayOf(
* The [ListSectionsPagerAdapter] returns the fragment,
* which corresponds to the selected tab in [ListActivity].
*/
class ListSectionsPagerAdapter(private val activity: ListActivity, fm: FragmentManager) :
FragmentPagerAdapter(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT) {
class ListSectionsPagerAdapter(private val activity: ListActivity) :
FragmentStateAdapter(activity) {
override fun getItem(position: Int): Fragment {
override fun createFragment(position: Int): Fragment {
return when (position) {
0 -> ListFragmentApps()
1 -> ListFragmentOther()
@ -269,11 +270,11 @@ class ListSectionsPagerAdapter(private val activity: ListActivity, fm: FragmentM
}
}
override fun getPageTitle(position: Int): CharSequence {
fun getPageTitle(position: Int): CharSequence {
return activity.resources.getString(TAB_TITLES[position])
}
override fun getCount(): Int {
override fun getItemCount(): Int {
return when (activity.intention) {
ListActivity.ListActivityIntention.VIEW -> 1
else -> 2

48
app/src/main/java/de/jrpie/android/launcher/ui/settings/SettingsActivity.kt
View file

@ -1,6 +1,5 @@
package de.jrpie.android.launcher.ui.settings
import android.content.Context
import android.content.Intent
import android.content.SharedPreferences
import android.content.res.Resources
@ -8,10 +7,9 @@ import android.os.Bundle
import android.provider.Settings
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentManager
import androidx.fragment.app.FragmentPagerAdapter
import androidx.viewpager.widget.ViewPager
import com.google.android.material.tabs.TabLayout
import androidx.fragment.app.FragmentActivity
import androidx.viewpager2.adapter.FragmentStateAdapter
import com.google.android.material.tabs.TabLayoutMediator
import de.jrpie.android.launcher.R
import de.jrpie.android.launcher.REQUEST_CHOOSE_APP
import de.jrpie.android.launcher.databinding.SettingsBinding
@ -34,6 +32,7 @@ import de.jrpie.android.launcher.ui.settings.meta.SettingsFragmentMeta
* Settings are closed automatically if the activity goes `onPause` unexpectedly.
*/
class SettingsActivity : AppCompatActivity(), UIObject {
private val EXTRA_TAB = "tab"
private val solidBackground = LauncherPreferences.theme().background() == Background.SOLID
|| LauncherPreferences.theme().colorTheme() == ColorTheme.LIGHT
@ -49,15 +48,15 @@ class SettingsActivity : AppCompatActivity(), UIObject {
// This ugly workaround causes a jump to the top of the list, but at least
// the text stays readable.
val i = Intent(this, SettingsActivity::class.java)
.also { it.putExtra("tab", 1) }
.also { it.putExtra(EXTRA_TAB, 1) }
finish()
startActivity(i)
} else
if (prefKey?.startsWith("theme.") == true ||
prefKey?.startsWith("display.") == true
) {
recreate()
}
if (prefKey?.startsWith("theme.") == true ||
prefKey?.startsWith("display.") == true
) {
recreate()
}
}
private lateinit var binding: SettingsBinding
@ -71,15 +70,14 @@ class SettingsActivity : AppCompatActivity(), UIObject {
setContentView(binding.root)
// set up tabs and swiping in settings
val sectionsPagerAdapter = SettingsSectionsPagerAdapter(this, supportFragmentManager)
val viewPager: ViewPager = findViewById(R.id.settings_viewpager)
viewPager.adapter = sectionsPagerAdapter
val tabs: TabLayout = findViewById(R.id.settings_tabs)
tabs.setupWithViewPager(viewPager)
if (intent.hasExtra("tab")) {
tabs.getTabAt(intent.getIntExtra("tab", 0))?.select()
val sectionsPagerAdapter = SettingsSectionsPagerAdapter(this)
binding.settingsViewpager.apply {
adapter = sectionsPagerAdapter
setCurrentItem(intent.getIntExtra(EXTRA_TAB, 0), false)
}
TabLayoutMediator(binding.settingsTabs, binding.settingsViewpager) { tab, position ->
tab.text = sectionsPagerAdapter.getPageTitle(position)
}.attach()
}
override fun onStart() {
@ -122,10 +120,10 @@ private val TAB_TITLES = arrayOf(
R.string.settings_tab_meta
)
class SettingsSectionsPagerAdapter(private val context: Context, fm: FragmentManager) :
FragmentPagerAdapter(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT) {
class SettingsSectionsPagerAdapter(private val activity: FragmentActivity) :
FragmentStateAdapter(activity) {
override fun getItem(position: Int): Fragment {
override fun createFragment(position: Int): Fragment {
return when (position) {
0 -> SettingsFragmentActions()
1 -> SettingsFragmentLauncher()
@ -134,11 +132,11 @@ class SettingsSectionsPagerAdapter(private val context: Context, fm: FragmentMan
}
}
override fun getPageTitle(position: Int): CharSequence {
return context.resources.getString(TAB_TITLES[position])
fun getPageTitle(position: Int): CharSequence {
return activity.resources.getString(TAB_TITLES[position])
}
override fun getCount(): Int {
override fun getItemCount(): Int {
return 3
}
}

2
app/src/main/res/layout/list.xml
View file

@ -95,7 +95,7 @@
</com.google.android.material.appbar.AppBarLayout>
<androidx.viewpager.widget.ViewPager
<androidx.viewpager2.widget.ViewPager2
android:id="@+id/list_viewpager"
android:layout_width="0dp"
android:layout_height="0dp"

2
app/src/main/res/layout/settings.xml
View file

@ -73,7 +73,7 @@
</com.google.android.material.appbar.AppBarLayout>
<androidx.viewpager.widget.ViewPager
<androidx.viewpager2.widget.ViewPager2
android:id="@+id/settings_viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"