Adding copy on long press and removing the action bar

Change-Id: I258918e6db10ca89626d4b3228e579121f7495d1
diff --git a/src/com/android/calculator2/CalculatorEditText.java b/src/com/android/calculator2/CalculatorEditText.java
new file mode 100644
index 0000000..8a29f72
--- /dev/null
+++ b/src/com/android/calculator2/CalculatorEditText.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2010 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.calculator2;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.widget.EditText;
+import android.widget.Toast;
+
+public class CalculatorEditText extends EditText {
+
+    public CalculatorEditText(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public boolean performLongClick() {
+        Editable text = getText();
+        if (TextUtils.isEmpty(text)) {
+            return false;
+        }
+
+        setSelection(0, text.length());
+        ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService(
+                Context.CLIPBOARD_SERVICE);
+        clipboard.setPrimaryClip(ClipData.newPlainText(null, null, getText()));
+        Toast.makeText(getContext(), R.string.text_copied_toast, Toast.LENGTH_SHORT).show();
+        return true;
+    }
+}