Upload basic UI files for Wi-Fi DPP Settings development.

WifiDppQrCodeScannerActivity is the activity for user to scan
QR code and add device to a saved network.

Bug: 118797380
Test: manual
Change-Id: If2c8c5ba1620e5584fb47ba7b0ea2bc2d7acb641

src/com/android/settings/wifi/dpp/WifiDppQrCodeScannerFragment.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2018 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.wifi.dpp;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import android.view.ViewGroup;
+import com.android.settings.R;
+
+public class WifiDppQrCodeScannerFragment extends WifiDppQrCodeBaseFragment {
+    @Override
+    protected int getLayout() {
+        return R.layout.wifi_dpp_qrcode_scanner_fragment;
+    }
+
+    @Override
+    public void onActivityCreated (Bundle savedInstanceState) {
+        super.onActivityCreated (savedInstanceState);
+
+        setTitle(getString(R.string.wifi_dpp_add_device_to_network));
+
+        String ssid = "";
+        Intent intent = getActivity().getIntent();
+        if (intent != null)
+            ssid = intent.getStringExtra(WifiDppConfiguratorActivity.EXTRA_SSID);
+        String description = getString(R.string.wifi_dpp_center_qr_code, ssid);
+        setDescription(description);
+
+        hideRightButton();
+
+        setLeftButtonText(getString(android.R.string.cancel));
+
+        setLeftButtonOnClickListener((view) -> {
+                getActivity().setResult(Activity.RESULT_CANCELED);
+                getActivity().finish();});
+    }
+}