Add Show Keyboard to Dialogs

app/src/main/java/org/cssnr/remotewallpaper/ui/dialogs/DialogExtensions.kt

@@ -0,0 +1,33 @@
+package org.cssnr.remotewallpaper.ui.dialogs
+
+import android.app.Dialog
+import android.os.Build
+import android.view.Window
+import android.view.WindowInsets
+import android.view.WindowManager
+
+/**
+ * Shows the soft keyboard for this dialog window.
+ *
+ * Copied from androidx.preference PreferenceDialogFragmentCompat.requestInputMethod()
+ * which is how EditTextPreference dialogs shows the keyboard when a dialog is shown.
+ *
+ * https://github.com/androidx/androidx/blob/androidx-main/preference/preference/src/main/java/androidx/preference/PreferenceDialogFragmentCompat.java
+ *
+ * AI NOTE: Call AFTER create() and BEFORE show() (like the library calls requestInputMethod
+ * in onCreateDialog). The focused editor and window flags must be in place before the
+ * dialog window gains focus or the keyboard will not show reliably.
+ */
+fun Dialog.showKeyboard() {
+    val window: Window = window ?: return
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+        // Same as androidx.preference Api30Impl.showIme(window)
+        window.decorView.windowInsetsController?.show(WindowInsets.Type.ime())
+    } else {
+        // NOTE: or SOFT_INPUT_ADJUST_PAN to prevent dialog shrinking
+        window.setSoftInputMode(
+            WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE or
+                    WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN
+        )
+    }
+}

app/src/main/java/org/cssnr/remotewallpaper/ui/home/HomeFragment.kt

@@ -34,6 +34,7 @@ import org.cssnr.remotewallpaper.db.HistoryDatabase
 import org.cssnr.remotewallpaper.db.HistoryItem
 import org.cssnr.remotewallpaper.db.Remote
 import org.cssnr.remotewallpaper.db.RemoteDatabase
+import org.cssnr.remotewallpaper.ui.dialogs.showKeyboard
 import java.io.File
 import java.io.FileOutputStream
 import java.time.ZonedDateTime
@@ -180,7 +181,6 @@ fun Context.showAddDialog() {
         .create()
 
     dialog.setOnShowListener {
-        input.requestFocus()
         val sendButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE)
         sendButton.setOnClickListener {
             sendButton.isEnabled = false
@@ -206,6 +206,9 @@ fun Context.showAddDialog() {
     }
 
     dialog.setButton(AlertDialog.BUTTON_POSITIVE, "Set Image") { _, _ -> }
+
+    dialog.showKeyboard()
+    input.requestFocus()
     dialog.show()
 }
 

app/src/main/java/org/cssnr/remotewallpaper/ui/remotes/RemotesFragment.kt

@@ -23,6 +23,7 @@ import org.cssnr.remotewallpaper.R
 import org.cssnr.remotewallpaper.databinding.FragmentRemotesBinding
 import org.cssnr.remotewallpaper.db.Remote
 import org.cssnr.remotewallpaper.db.RemoteDatabase
+import org.cssnr.remotewallpaper.ui.dialogs.showKeyboard
 
 const val LOG_TAG = "Remotes"
 
@@ -172,7 +173,6 @@ class RemotesFragment : Fragment() {
             .create()
 
         dialog.setOnShowListener {
-            input.requestFocus()
             val sendButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE)
             sendButton.setOnClickListener {
                 sendButton.isEnabled = false
@@ -208,6 +208,9 @@ class RemotesFragment : Fragment() {
         }
 
         dialog.setButton(AlertDialog.BUTTON_POSITIVE, "Add") { _, _ -> }
+
+        dialog.showKeyboard()
+        input.requestFocus()
         dialog.show()
     }
 

app/src/main/java/org/cssnr/remotewallpaper/ui/settings/SettingsFragment.kt

@@ -28,6 +28,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.cssnr.remotewallpaper.R
 import org.cssnr.remotewallpaper.api.FeedbackApi
+import org.cssnr.remotewallpaper.ui.dialogs.showKeyboard
 import org.cssnr.remotewallpaper.work.enqueueWorkRequest
 
 class SettingsFragment : PreferenceFragmentCompat() {
@@ -212,8 +213,10 @@ class SettingsFragment : PreferenceFragmentCompat() {
                     input.error = "Feedback is Required"
                 }
             }
-            input.requestFocus()
         }
+
+        dialog.showKeyboard()
+        input.requestFocus()
         dialog.show()
     }