Depend on support lib preferences

Bug: 24576551
Change-Id: Ic6190bacd3f7582c9bbc8de972da4612bd92421e

src/com/android/settings/CopyablePreference.java

@@ -0,0 +1,55 @@
+/*
+ * 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.settings;
+
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnLongClickListener;
+import android.widget.Toast;
+
+public class CopyablePreference extends Preference {
+
+    public CopyablePreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        holder.setDividerAllowedAbove(true);
+        holder.setDividerAllowedBelow(true);
+        holder.itemView.setLongClickable(true);
+        holder.itemView.setOnLongClickListener(new OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View v) {
+                copyPreference(getContext(), CopyablePreference.this);
+                return true;
+            }
+        });
+    }
+
+    public static void copyPreference(Context context, Preference pref) {
+        ClipboardManager cm =
+                (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        cm.setText(pref.getSummary());
+        Toast.makeText(context, com.android.internal.R.string.text_copied, Toast.LENGTH_SHORT)
+                .show();
+    }
+}