1 files changed, 70 insertions, 0 deletions
diff --git a/libraries/device-collectors/src/main/java/android/device/collectors/AppVersionListener.java b/libraries/device-collectors/src/main/java/android/device/collectors/AppVersionListener.java
new file mode 100644
index 000000000..809c9bdf3
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+++ b/libraries/device-collectors/src/main/java/android/device/collectors/AppVersionListener.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2021 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 android.device.collectors;
+
+import android.device.collectors.annotations.OptionClass;
+import android.os.Bundle;
+import android.util.Log;
+import androidx.annotation.VisibleForTesting;
+
+import com.android.helpers.AppVersionHelper;
+
+/**
+ * A {@link AppVersionListener} that captures and records the versions of the app packages
+ * on the device.
+ * <p>Options:
+ * <ul>
+ *   <li>-e pkg-names [pkgNames] : the pkg names we want to get versions for.
+ * </ul>
+ */
+@OptionClass(alias = "app-version-listener")
+public class AppVersionListener extends BaseCollectionListener<Long> {
+
+    private static final String TAG = AppVersionHelper.class.getSimpleName();
+    private AppVersionHelper mAppVersionHelper = new AppVersionHelper();
+    @VisibleForTesting static final String PKG_NAME_SEPARATOR = ",";
+    @VisibleForTesting static final String PKG_NAMES_ARG = "app-version-pkg-names";
+
+    public AppVersionListener() {
+        createHelperInstance(mAppVersionHelper);
+    }
+
+    /**
+     * Constructor to simulate receiving the instrumentation arguments. Should not be used except
+     * for testing.
+     */
+    @VisibleForTesting
+    public AppVersionListener(Bundle args, AppVersionHelper helper) {
+        super(args, helper);
+        mAppVersionHelper = helper;
+        createHelperInstance(mAppVersionHelper);
+    }
+
+    /**
+     * Adds the options for app version collector.
+     */
+    @Override
+    public void setupAdditionalArgs() {
+        Bundle args = getArgsBundle();
+        String pkgNamesString = args.getString(PKG_NAMES_ARG);
+        if (pkgNamesString == null) {
+            Log.w(TAG, "No package name provided. All packages will be collected");
+            mAppVersionHelper.setUp();
+        }
+        mAppVersionHelper.setUp(pkgNamesString.split(PKG_NAME_SEPARATOR));
+    }
+}