Add hint

Author: CrazyBoyFeng

README.md

@@ -8,6 +8,7 @@ Android library: Extensions of AndroidX Preference.
 <PreferenceScreen>
     ...
     <EditTextPreferencePlus
+        android:hint="hint"
         android:inputType="number"
         app:formatSummary="true"
         app:key="edittext"

demo/src/main/res/xml/settings_preferences.xml

@@ -2,6 +2,7 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <EditTextPreferencePlus
+        android:hint="hint"
         android:inputType="number"
         app:dialogMessage="dialogMessage"
         app:formatSummary="true"

edittext/src/main/kotlin/androidx/preference/EditTextPreferencePlus.kt

@@ -25,6 +25,8 @@ class EditTextPreferencePlus @JvmOverloads constructor(
     private var mSummary: CharSequence?
     var formatSummary: Boolean
     var inputType: Int
+    var hint: CharSequence?
+
     override fun getSummary(): CharSequence? {
         val superSummary = super.getSummary()
         if (!formatSummary || mSummary == null) {
@@ -54,6 +56,7 @@ class EditTextPreferencePlus @JvmOverloads constructor(
             R.styleable.EditTextPreferencePlus_android_inputType,
             InputType.TYPE_NULL
         )
+        hint = typedArray.getString(R.styleable.EditTextPreferencePlus_android_hint)
         mSummary = typedArray.getString(R.styleable.Preference_summary)
         typedArray.recycle()
     }

edittext/src/main/kotlin/crazyboyfeng/android/preference/EditTextPreferenceDialogFragmentCompatPlus.kt

@@ -19,5 +19,6 @@ class EditTextPreferenceDialogFragmentCompatPlus : EditTextPreferenceDialogFragm
         val editText = view.findViewById<EditText>(android.R.id.edit)
         val editTextPreferencePlus = preference as EditTextPreferencePlus
         editText.inputType = editTextPreferencePlus.inputType
+        editText.hint = editTextPreferencePlus.hint
     }
 }

edittext/src/main/res/values/attrs.xml

@@ -2,6 +2,7 @@
 <resources>
     <declare-styleable name="EditTextPreferencePlus">
         <attr name="formatSummary" format="boolean" />
-        <attr name="android:inputType"/>
+        <attr name="android:inputType" />
+        <attr name="android:hint" />
     </declare-styleable>
 </resources>