[fix] fix Dir loading dialog not show bug.

Author: tanpengcheng

app/src/main/java/com/tans/tfiletransporter/ui/FileTreeUI.kt

@@ -37,6 +37,7 @@ import java.util.concurrent.LinkedBlockingDeque
 
 
 class FileTreeUI(
+    private val context: FragmentActivity,
     private val viewBinding: FileTreeLayoutBinding,
     private val rootTreeUpdater: suspend () -> FileTree,
     private val subTreeUpdater: suspend (parentTree: FileTree, dir: FileLeaf.DirectoryFileLeaf) -> FileTree,
@@ -62,7 +63,6 @@ class FileTreeUI(
     }
 
     init {
-        val context = viewBinding.root.context as FragmentActivity
         val currentState = currentState()
 
         // Empty State, need to load root tree.

app/src/main/java/com/tans/tfiletransporter/ui/filetransport/MyDirFragment.kt

@@ -65,6 +65,7 @@ class MyDirFragment : BaseCoroutineStateFragment<Unit>(Unit) {
         onBackPressedDispatcher.addCallback(this@MyDirFragment, onBackPressedCallback)
         val viewBinding = MyDirFragmentBinding.bind(contentView)
         val fileTreeUI = FileTreeUI(
+            context = requireActivity(),
             viewBinding = viewBinding.fileTreeLayout,
             rootTreeUpdater = {
                 withContext(Dispatchers.IO) {

app/src/main/java/com/tans/tfiletransporter/ui/filetransport/RemoteDirFragment.kt

@@ -69,6 +69,7 @@ class RemoteDirFragment : BaseCoroutineStateFragment<Unit>(Unit) {
         val viewBinding = RemoteDirFragmentBinding.bind(contentView)
         val context = requireActivity() as FileTransportActivity
         val fileTreeUI = FileTreeUI(
+            context = requireActivity(),
             viewBinding = viewBinding.fileTreeLayout,
             rootTreeUpdater = {
                 val handshake = (context.currentState().connectionStatus as? FileTransportActivity.Companion.ConnectionStatus.Connected)?.handshake

app/src/main/java/com/tans/tfiletransporter/ui/folderselect/FolderSelectActivity.kt

@@ -62,6 +62,7 @@ class FolderSelectActivity : BaseCoroutineStateActivity<Unit>(
     override fun CoroutineScope.bindContentViewCoroutine(contentView: View) {
         val viewBinding = FolderSelectActivityBinding.bind(contentView)
         val fileTreeUI = FileTreeUI(
+            context = this@FolderSelectActivity,
             viewBinding = viewBinding.fileTreeLayout,
             rootTreeUpdater = {
                 withContext(Dispatchers.IO) {