Refactoring to ExtendedEditText.
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java
new file mode 100644
index 0000000..c7b64ec
--- /dev/null
+++ b/src/com/android/launcher3/ExtendedEditText.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.widget.EditText;
+
+
+/**
+ * The edit text that reports back when the back key has been pressed.
+ */
+public class ExtendedEditText extends EditText {
+
+ /**
+ * Implemented by listeners of the back key.
+ */
+ public interface OnBackKeyListener {
+ public boolean onBackKey();
+ }
+
+ private OnBackKeyListener mBackKeyListener;
+
+ public ExtendedEditText(Context context) {
+ super(context);
+ }
+
+ public ExtendedEditText(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public ExtendedEditText(Context context, AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ }
+
+ public void setOnBackKeyListener(OnBackKeyListener listener) {
+ mBackKeyListener = listener;
+ }
+
+ @Override
+ public boolean onKeyPreIme(int keyCode, KeyEvent event) {
+ // If this is a back key, propagate the key back to the listener
+ if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
+ if (mBackKeyListener != null) {
+ return mBackKeyListener.onBackKey();
+ }
+ return false;
+ }
+ return super.onKeyPreIme(keyCode, event);
+ }
+}