Fix TextInputDialog keyboard behavior

app/src/main/java/org/koitharu/kotatsu/ui/common/dialog/TextInputDialog.kt

@@ -3,28 +3,16 @@ package org.koitharu.kotatsu.ui.common.dialog
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.DialogInterface
+import android.text.InputFilter
 import android.view.LayoutInflater
-import android.view.inputmethod.InputMethodManager
-import android.widget.TextView
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
 import kotlinx.android.synthetic.main.dialog_input.view.*
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.utils.ext.showKeyboard
 
 class TextInputDialog private constructor(private val delegate: AlertDialog) :
 	DialogInterface by delegate {
 
-	init {
-		delegate.setOnShowListener {
-			val view = delegate.findViewById<TextView>(R.id.inputEdit)?:return@setOnShowListener
-			view.post {
-				view.requestFocus()
-				view.showKeyboard()
-			}
-		}
-	}
-
 	fun show() = delegate.show()
 
 	class Builder(context: Context) {
@@ -34,10 +22,6 @@ class TextInputDialog private constructor(private val delegate: AlertDialog) :
 
 		private val delegate = AlertDialog.Builder(context)
 			.setView(view)
-			.setOnDismissListener {
-				val imm = view.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-				imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0)
-			}
 
 		fun setTitle(@StringRes titleResId: Int): Builder {
 			delegate.setTitle(titleResId)
@@ -54,6 +38,17 @@ class TextInputDialog private constructor(private val delegate: AlertDialog) :
 			return this
 		}
 
+		fun setMaxLength(maxLength: Int, strict: Boolean): Builder {
+			with(view.inputLayout) {
+				counterMaxLength = maxLength
+				isCounterEnabled = maxLength > 0
+			}
+			if (strict && maxLength > 0) {
+				view.inputEdit.filters += InputFilter.LengthFilter(maxLength)
+			}
+			return this
+		}
+
 		fun setInputType(inputType: Int): Builder {
 			view.inputEdit.inputType = inputType
 			return this

app/src/main/java/org/koitharu/kotatsu/ui/main/list/favourites/categories/CategoriesActivity.kt

@@ -86,6 +86,7 @@ class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<Favourite
 			.setHint(R.string.enter_category_name)
 			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
 			.setNegativeButton(android.R.string.cancel)
+			.setMaxLength(12, false)
 			.setPositiveButton(R.string.rename) { _, name ->
 				presenter.renameCategory(category.id, name)
 			}.create()
@@ -98,6 +99,7 @@ class CategoriesActivity : BaseActivity(), OnRecyclerItemClickListener<Favourite
 			.setHint(R.string.enter_category_name)
 			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
 			.setNegativeButton(android.R.string.cancel)
+			.setMaxLength(12, false)
 			.setPositiveButton(R.string.add) { _, name ->
 				presenter.createCategory(name)
 			}.create()

app/src/main/java/org/koitharu/kotatsu/ui/main/list/favourites/categories/select/FavouriteCategoriesDialog.kt

@@ -70,6 +70,7 @@ class FavouriteCategoriesDialog : BaseBottomSheet(R.layout.dialog_favorite_categ
 		TextInputDialog.Builder(context ?: return)
 			.setTitle(R.string.add_new_category)
 			.setHint(R.string.enter_category_name)
+			.setMaxLength(12, false)
 			.setInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES)
 			.setNegativeButton(android.R.string.cancel)
 			.setPositiveButton(R.string.add) { _, name ->

app/src/main/res/layout/dialog_input.xml

@@ -13,6 +13,7 @@
 		android:id="@+id/inputLayout"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
+		app:boxBackgroundColor="@android:color/transparent"
 		app:boxBackgroundMode="filled">
 
 		<com.google.android.material.textfield.TextInputEditText
@@ -21,6 +22,7 @@
 			android:layout_height="wrap_content"
 			android:imeOptions="actionDone"
 			android:maxLines="1"
+			android:singleLine="true"
 			tools:text="@tools:sample/lorem[2]" />
 
 	</com.google.android.material.textfield.TextInputLayout>