Add module version in About settings.

Change-Id: I2474d05ee96e3dd29fe012fe77450c91775fdf1d
Fixes: 122615240
Test: make RunSettingsRoboTests

res/layout/dialog_firmware_version.xml

@@ -51,6 +51,18 @@
             android:background="?android:attr/selectableItemBackground"
             android:textColor="?android:attr/colorAccent"/>
 
+        <TextView
+            style="@style/device_info_dialog_label"
+            android:id="@+id/module_version_label"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/module_version"/>
+        <TextView
+            style="@style/device_info_dialog_value"
+            android:id="@+id/module_version_value"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"/>
+
         <TextView
             style="@style/device_info_dialog_label"
             android:id="@+id/baseband_version_label"

res/values/strings.xml

@@ -2897,6 +2897,8 @@
     <string name="kernel_version">Kernel version</string>
     <!-- About phone screen,  setting option name  [CHAR LIMIT=40] -->
     <string name="build_number">Build number</string>
+    <!-- About phone screen,  mainline module versions  [CHAR LIMIT=40] -->
+    <string name="module_version">Mainline module versions</string>
 
     <!-- About phone screen, show when a value of some status item is unavailable. -->
     <string name="device_info_not_available">Not available</string>

src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogFragment.java

@@ -90,5 +90,6 @@ public class FirmwareVersionDialogFragment extends InstrumentedDialogFragment {
         new BasebandVersionDialogController(this).initialize();
         new KernelVersionDialogController(this).initialize();
         new BuildNumberDialogController(this).initialize();
+        new ModuleVersionDialogController(this).initialize();
     }
 }

src/com/android/settings/deviceinfo/firmwareversion/ModuleVersionDialogController.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2019 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.firmwareversion;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.settings.R;
+
+import androidx.annotation.VisibleForTesting;
+
+public class ModuleVersionDialogController {
+
+    private static final String TAG = "MainlineModuleControl";
+
+    @VisibleForTesting
+    static final int MODULE_VERSION_LABEL_ID = R.id.module_version_label;
+    @VisibleForTesting
+    static final int MODULE_VERSION_VALUE_ID = R.id.module_version_value;
+
+    private final FirmwareVersionDialogFragment mDialog;
+    private final Context mContext;
+    private final PackageManager mPackageManager;
+
+    public ModuleVersionDialogController(FirmwareVersionDialogFragment dialog) {
+        mDialog = dialog;
+        mContext = mDialog.getContext();
+        mPackageManager = mContext.getPackageManager();
+    }
+
+    /**
+     * Updates the mainline module version field of the dialog.
+     */
+    public void initialize() {
+        final String moduleProvider = mContext.getString(
+            com.android.internal.R.string.config_defaultModuleMetadataProvider);
+        if (!TextUtils.isEmpty(moduleProvider)) {
+            try {
+                mDialog.setText(MODULE_VERSION_VALUE_ID,
+                    mPackageManager.getPackageInfo(moduleProvider, 0 /* flags */).versionName);
+                return;
+            } catch (PackageManager.NameNotFoundException e) {
+                Log.e(TAG, "Failed to get mainline version.", e);
+            }
+        }
+        mDialog.removeSettingFromScreen(MODULE_VERSION_LABEL_ID);
+        mDialog.removeSettingFromScreen(MODULE_VERSION_VALUE_ID);
+    }
+}

tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/ModuleVersionDialogControllerTest.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2019 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.firmwareversion;
+
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class ModuleVersionDialogControllerTest {
+
+    @Mock
+    private FirmwareVersionDialogFragment mDialog;
+    @Mock
+    private PackageManager mPackageManager;
+
+    private Context mContext;
+    private ModuleVersionDialogController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        when(mDialog.getContext()).thenReturn(mContext);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        mController = new ModuleVersionDialogController(mDialog);
+    }
+
+    @Test
+    public void initialize_noMainlineModuleProvider_shouldRemoveSettingFromDialog() {
+        when(mContext.getString(
+            com.android.internal.R.string.config_defaultModuleMetadataProvider)).thenReturn(null);
+
+        mController.initialize();
+
+        verify(mDialog).removeSettingFromScreen(mController.MODULE_VERSION_LABEL_ID);
+        verify(mDialog).removeSettingFromScreen(mController.MODULE_VERSION_VALUE_ID);
+    }
+
+    @Test
+    public void initialize_noMainlineModulePackageInfo_shouldRemoveSettingFromDialog()
+            throws PackageManager.NameNotFoundException {
+        final String provider = "test.provider";
+        when(mContext.getString(
+            com.android.internal.R.string.config_defaultModuleMetadataProvider))
+            .thenReturn(provider);
+        when(mPackageManager.getPackageInfo(eq(provider), anyInt()))
+            .thenThrow(new PackageManager.NameNotFoundException());
+
+        mController.initialize();
+
+        verify(mDialog).removeSettingFromScreen(mController.MODULE_VERSION_LABEL_ID);
+        verify(mDialog).removeSettingFromScreen(mController.MODULE_VERSION_VALUE_ID);
+    }
+
+    @Test
+    public void initialize_hasMainlineModulePackageInfo_shouldshouldSetDialogTextToMainlineVersion()
+            throws PackageManager.NameNotFoundException {
+        final String provider = "test.provider";
+        final String version = "test version 123";
+        final PackageInfo info = new PackageInfo();
+        info.versionName = version;
+        when(mContext.getString(
+            com.android.internal.R.string.config_defaultModuleMetadataProvider))
+            .thenReturn(provider);
+        when(mPackageManager.getPackageInfo(eq(provider), anyInt())).thenReturn(info);
+
+        mController.initialize();
+
+        verify(mDialog).setText(mController.MODULE_VERSION_VALUE_ID, version);
+    }
+
+}