Fixed EditTextPreference so the text and cursor position are maintained on

orientation change.

library/src/main/java/com/afollestad/materialdialogs/prefs/MaterialEditTextPreference.java

@@ -2,7 +2,6 @@ package com.afollestad.materialdialogs.prefs;
 
 import android.app.Dialog;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcel;
@@ -49,6 +48,8 @@ public class MaterialEditTextPreference extends EditTextPreference {
         mColor = DialogUtils.resolveColor(context, R.attr.colorAccent, fallback);
 
         mEditText = new AppCompatEditText(context, attrs);
+        // Give it an ID so it can be saved/restored
+        mEditText.setId(android.R.id.edit);
         mEditText.setEnabled(true);
     }
 
@@ -58,22 +59,26 @@ public class MaterialEditTextPreference extends EditTextPreference {
 
     @Override
     protected void onAddEditTextToDialogView(@NonNull View dialogView, @NonNull EditText editText) {
-        if (editText.getParent() != null)
-            ((ViewGroup) mEditText.getParent()).removeView(editText);
         ((ViewGroup) dialogView).addView(editText, new LinearLayout.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
     }
 
     @Override
     protected void onBindDialogView(@NonNull View view) {
-        mEditText.setText("");
-        if (getText() != null)
-            mEditText.setText(getText());
-        ViewParent oldParent = mEditText.getParent();
+        EditText editText = mEditText;
+        editText.setText(getText());
+
+        // Initialize cursor to end of text
+        if (editText.getText().length() > 0) {
+            editText.setSelection(editText.length());
+        }
+
+        ViewParent oldParent = editText.getParent();
         if (oldParent != view) {
-            if (oldParent != null)
-                ((ViewGroup) oldParent).removeView(mEditText);
-            onAddEditTextToDialogView(view, mEditText);
+            if (oldParent != null) {
+                ((ViewGroup) oldParent).removeView(editText);
+            }
+            onAddEditTextToDialogView(view, editText);
         }
     }
 
@@ -105,14 +110,7 @@ public class MaterialEditTextPreference extends EditTextPreference {
                 .positiveText(getPositiveButtonText())
                 .negativeText(getNegativeButtonText())
                 .callback(callback)
-                .dismissListener(this)
-                .showListener(new DialogInterface.OnShowListener() {
-                    @Override
-                    public void onShow(DialogInterface dialog) {
-                        if (mEditText.getText().length() > 0)
-                            mEditText.setSelection(mEditText.length());
-                    }
-                });
+                .dismissListener(this);
 
         View layout = LayoutInflater.from(getContext()).inflate(R.layout.md_stub_inputpref, null);
         onBindDialogView(layout);