Trebuchet Statistics:

 - Add plumbing for sending events.
 - Add aggregation service that runs on some interval
 - Hook send events into respective UX interactions

Change-Id: I77ba0ab75daf845621d800e0adf3e658096926af

Trebuchet: send metrics values as strings

- Also refer to the declared intent

Change-Id: I3c99cc071aa2f4241ea8d3e6d2e8683f1f748e7d
Signed-off-by: Roman Birg <roman@cyngn.com>

Stop unnecessary exception posting to logcat.

Change-Id: I4f741246dc2ee77b24c3bb94075e12535fcd7ead

1 files changed, 55 insertions, 0 deletions

diff --git a/src/com/android/launcher3/stats/util/Logger.java b/src/com/android/launcher3/stats/util/Logger.java
new file mode 100644
index 000000000..8d73f54ca
--- /dev/null
+++ b/src/com/android/launcher3/stats/util/Logger.java
@@ -0,0 +1,55 @@
+/*
+ *  Copyright (c) 2015. The CyanogenMod 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.launcher3.stats.util;
+
+import android.os.Build;
+import android.text.TextUtils;
+import android.util.Log;
+
+/**
+ * <pre>
+ *     Metrics debug logging
+ * </pre>
+ */
+public class Logger {
+
+    private static final String TAG = "TrebuchetStats";
+
+    /**
+     * Log a debug message
+     *
+     * @param tag {@link String}
+     * @param msg {@link String }
+     * @throws IllegalArgumentException {@link IllegalArgumentException}
+     */
+    public static void logd(String tag, String msg) throws IllegalArgumentException {
+        if (TextUtils.isEmpty(tag)) {
+            throw new IllegalArgumentException("'tag' cannot be empty!");
+        }
+        if (TextUtils.isEmpty(msg)) {
+            throw new IllegalArgumentException("'msg' cannot be empty!");
+        }
+        if (isDebugging()) {
+            Log.d(TAG, tag + " [ " + msg + " ]");
+        }
+    }
+
+    private static boolean isDebugging() {
+        return Log.isLoggable(TAG, Log.DEBUG);
+    }
+
+}