Display a hardware info dialog when click model number.

Change-Id: I28eeb3e5c3ed290d4e03e0f3989adde0b966bede
Fix: 35851000
Test: make RunSettingsRoboTests

src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2017 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.deviceinfo;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.SystemProperties;
+import android.support.annotation.VisibleForTesting;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settingslib.DeviceInfoUtils;
+
+public class HardwareInfoDialogFragment extends InstrumentedDialogFragment {
+
+    public static final String TAG = "HardwareInfo";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DIALOG_SETTINGS_HARDWARE_INFO;
+    }
+
+    public static HardwareInfoDialogFragment newInstance() {
+        final HardwareInfoDialogFragment fragment = new HardwareInfoDialogFragment();
+        return fragment;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.hardware_info)
+                .setPositiveButton(android.R.string.ok, null);
+        final View content = LayoutInflater.from(builder.getContext())
+                .inflate(R.layout.dialog_hardware_info, null /* parent */);
+        // Model
+        setText(content, R.id.model_label, R.id.model_value,
+                Build.MODEL + DeviceInfoUtils.getMsvSuffix());
+        // Hardware rev
+        setText(content, R.id.hardware_rev_label, R.id.hardware_rev_value,
+                SystemProperties.get("ro.boot.hardware.revision"));
+
+        return builder.setView(content).create();
+    }
+
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    void setText(View content, int labelViewId, int valueViewId, String value) {
+        if (content == null) {
+            return;
+        }
+        final View labelView = content.findViewById(labelViewId);
+        final TextView valueView = content.findViewById(valueViewId);
+        if (!TextUtils.isEmpty(value)) {
+            labelView.setVisibility(View.VISIBLE);
+            valueView.setVisibility(View.VISIBLE);
+            valueView.setText(value);
+        } else {
+            labelView.setVisibility(View.GONE);
+            valueView.setVisibility(View.GONE);
+        }
+    }
+}