coroutines: lifecycleScope is by default on Main.immediate

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/src/main/java/com/wireguard/android/fragment/BaseFragment.kt

@@ -24,7 +24,6 @@ import com.wireguard.android.databinding.TunnelDetailFragmentBinding
 import com.wireguard.android.databinding.TunnelListItemBinding
 import com.wireguard.android.model.ObservableTunnel
 import com.wireguard.android.util.ErrorMessages
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 /**
@@ -72,7 +71,7 @@ abstract class BaseFragment : Fragment(), OnSelectedTunnelChangedListener {
             is TunnelListItemBinding -> binding.item
             else -> return
         } ?: return
-        lifecycleScope.launch(Dispatchers.Main.immediate) {
+        lifecycleScope.launch {
             if (Application.getBackend() is GoBackend) {
                 val intent = GoBackend.VpnService.prepare(view.context)
                 if (intent != null) {
@@ -87,7 +86,7 @@ abstract class BaseFragment : Fragment(), OnSelectedTunnelChangedListener {
     }
 
     private fun setTunnelStateWithPermissionsResult(tunnel: ObservableTunnel, checked: Boolean) {
-        lifecycleScope.launch(Dispatchers.Main.immediate) {
+        lifecycleScope.launch {
             try {
                 tunnel.setStateAsync(Tunnel.State.of(checked))
             } catch (e: Throwable) {

ui/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.kt

@@ -17,7 +17,6 @@ import com.wireguard.android.R
 import com.wireguard.android.databinding.ConfigNamingDialogFragmentBinding
 import com.wireguard.config.BadConfigException
 import com.wireguard.config.Config
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.ByteArrayInputStream
 import java.io.IOException
@@ -31,7 +30,7 @@ class ConfigNamingDialogFragment : DialogFragment() {
     private fun createTunnelAndDismiss() {
         binding?.let {
             val name = it.tunnelNameText.text.toString()
-            lifecycleScope.launch(Dispatchers.Main.immediate) {
+            lifecycleScope.launch {
                 try {
                     Application.getTunnelManager().create(name, config)
                     dismiss()

ui/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.kt

@@ -19,7 +19,6 @@ import com.wireguard.android.databinding.TunnelDetailPeerBinding
 import com.wireguard.android.model.ObservableTunnel
 import com.wireguard.android.widget.EdgeToEdge.setUpRoot
 import com.wireguard.android.widget.EdgeToEdge.setUpScrollingContent
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.util.Timer
 import java.util.TimerTask
@@ -82,7 +81,7 @@ class TunnelDetailFragment : BaseFragment() {
     override fun onSelectedTunnelChanged(oldTunnel: ObservableTunnel?, newTunnel: ObservableTunnel?) {
         binding ?: return
         binding!!.tunnel = newTunnel
-        if (newTunnel == null) binding!!.config = null else lifecycleScope.launch(Dispatchers.Main.immediate) {
+        if (newTunnel == null) binding!!.config = null else lifecycleScope.launch {
             try {
                 binding!!.config = newTunnel.getConfigAsync()
             } catch (_: Throwable) {
@@ -114,7 +113,7 @@ class TunnelDetailFragment : BaseFragment() {
         val state = tunnel.state
         if (state != Tunnel.State.UP && lastState == state) return
         lastState = state
-        lifecycleScope.launch(Dispatchers.Main.immediate) {
+        lifecycleScope.launch {
             try {
                 val statistics = tunnel.getStatisticsAsync()
                 for (i in 0 until binding!!.peersLayout.childCount) {

ui/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.kt

@@ -33,7 +33,6 @@ import com.wireguard.android.viewmodel.ConfigProxy
 import com.wireguard.android.widget.EdgeToEdge.setUpRoot
 import com.wireguard.android.widget.EdgeToEdge.setUpScrollingContent
 import com.wireguard.config.Config
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 /**
@@ -141,7 +140,7 @@ class TunnelEditorFragment : BaseFragment(), AppSelectionListener {
                 Snackbar.make(binding!!.mainContainer, error, Snackbar.LENGTH_LONG).show()
                 return false
             }
-            lifecycleScope.launch(Dispatchers.Main.immediate) {
+            lifecycleScope.launch {
                 when {
                     tunnel == null -> {
                         Log.d(TAG, "Attempting to create new tunnel " + binding!!.name)
@@ -205,7 +204,7 @@ class TunnelEditorFragment : BaseFragment(), AppSelectionListener {
         binding!!.config = ConfigProxy()
         if (tunnel != null) {
             binding!!.name = tunnel!!.name
-            lifecycleScope.launch(Dispatchers.Main.immediate) {
+            lifecycleScope.launch {
                 try {
                     onConfigLoaded(tunnel!!.getConfigAsync())
                 } catch (_: Throwable) {
@@ -242,7 +241,7 @@ class TunnelEditorFragment : BaseFragment(), AppSelectionListener {
             Log.d(TAG, message)
             // Now save the rest of configuration changes.
             Log.d(TAG, "Attempting to save config of renamed tunnel " + tunnel!!.name)
-            lifecycleScope.launch(Dispatchers.Main.immediate) {
+            lifecycleScope.launch {
                 try {
                     renamedTunnel.setConfigAsync(newConfig)
                     onConfigSaved(renamedTunnel, null)

ui/src/main/java/com/wireguard/android/fragment/TunnelListFragment.kt

@@ -74,7 +74,7 @@ class TunnelListFragment : BaseFragment() {
     }
 
     private fun importTunnel(uri: Uri?) {
-        lifecycleScope.launch(Dispatchers.Main.immediate) {
+        lifecycleScope.launch {
             withContext(Dispatchers.IO) {
                 val activity = activity
                 if (activity == null || uri == null) {
@@ -264,7 +264,7 @@ class TunnelListFragment : BaseFragment() {
         super.onViewStateRestored(savedInstanceState)
         binding ?: return
         binding!!.fragment = this
-        lifecycleScope.launch(Dispatchers.Main.immediate) { binding!!.tunnels = Application.getTunnelManager().getTunnels() }
+        lifecycleScope.launch { binding!!.tunnels = Application.getTunnelManager().getTunnels() }
         binding!!.rowConfigurationHandler = object : RowConfigurationHandler<TunnelListItemBinding, ObservableTunnel> {
             override fun onConfigureRow(binding: TunnelListItemBinding, item: ObservableTunnel, position: Int) {
                 binding.fragment = this@TunnelListFragment
@@ -316,7 +316,7 @@ class TunnelListFragment : BaseFragment() {
                         scaleX = 1f
                         scaleY = 1f
                     }
-                    lifecycleScope.launch(Dispatchers.Main.immediate) {
+                    lifecycleScope.launch {
                         try {
                             val tunnels = Application.getTunnelManager().getTunnels()
                             val tunnelsToDelete = ArrayList<ObservableTunnel>()
@@ -332,7 +332,7 @@ class TunnelListFragment : BaseFragment() {
                     true
                 }
                 R.id.menu_action_select_all -> {
-                    lifecycleScope.launch(Dispatchers.Main.immediate) {
+                    lifecycleScope.launch {
                         val tunnels = Application.getTunnelManager().getTunnels()
                         for (i in 0 until tunnels.size) {
                             setItemChecked(i, true)