add debug overlay

Reviewed By: achen1

Differential Revision: D5659422

fbshipit-source-id: e95ed85884700b5e9bd084152e2cc89085fa66ad

ReactAndroid/src/main/java/com/facebook/debug/debugoverlay/BUCK

@@ -0,0 +1,12 @@
+include_defs("//ReactAndroid/DEFS")
+
+android_library(
+    name = "debugoverlay",
+    srcs = glob(["*.java"]),
+    visibility = [
+        "PUBLIC",
+    ],
+    deps = [
+        react_native_dep("third-party/java/jsr-305:jsr-305"),
+    ],
+)

ReactAndroid/src/main/java/com/facebook/debug/debugoverlay/DebugOverlayTag.java

@@ -0,0 +1,25 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+package com.facebook.debug.debugoverlay;
+
+import javax.annotation.concurrent.Immutable;
+
+/** Tag for a debug overlay log message. Name must be unique. */
+@Immutable
+public class DebugOverlayTag {
+
+  /** Name of tag. */
+  public final String name;
+
+  /** Description to display in settings. */
+  public final String description;
+
+  /** Color for tag display. */
+  public final int color;
+
+  public DebugOverlayTag(String name, String description, int color) {
+    this.name = name;
+    this.description = description;
+    this.color = color;
+  }
+}

ReactAndroid/src/main/java/com/facebook/debug/tags/BUCK

@@ -0,0 +1,13 @@
+include_defs("//ReactAndroid/DEFS")
+
+android_library(
+    name = "tags",
+    srcs = glob(["*.java"]),
+    visibility = [
+        "PUBLIC",
+    ],
+    deps = [
+        react_native_dep("java/com/facebook/debug/debugoverlay:debugoverlay"),
+        react_native_dep("third-party/java/jsr-305:jsr-305"),
+    ],
+)

ReactAndroid/src/main/java/com/facebook/debug/tags/ReactDebugOverlayTags.java

@@ -0,0 +1,13 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+package com.facebook.debug.tags;
+
+import android.graphics.Color;
+import com.facebook.debug.debugoverlay.DebugOverlayTag;
+
+/** Category for debug overlays. */
+public class ReactDebugOverlayTags {
+
+  public static final DebugOverlayTag PERFORMANCE =
+      new DebugOverlayTag("Performance", "Markers for Performance", Color.GREEN);
+}