From 8e3ccaadf2bd4f74fb4260e0c8900c0aaaeedb09 Mon Sep 17 00:00:00 2001
From: Ram N <axe@fb.com>
Date: Sat, 6 Jul 2019 10:28:51 -0700
Subject: [PATCH] Re-add Start/Stop Sampling profiler in Dev Menu for Android

Reviewed By: yinghuitan

Differential Revision: D16069122

fbshipit-source-id: 179ba7ec709731f4b861dc4367df357e93e025f2
---
 .../react/devsupport/DevInternalSettings.java |  1 +
 .../devsupport/DevSupportManagerImpl.java     | 21 +++++++++++++++++++
 .../main/res/devsupport/values/strings.xml    |  2 ++
 3 files changed, 24 insertions(+)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevInternalSettings.java b/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevInternalSettings.java
index 9474e2396d4..a653763be6d 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevInternalSettings.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevInternalSettings.java
@@ -36,6 +36,7 @@ public class DevInternalSettings
   private static final String PREFS_INSPECTOR_DEBUG_KEY = "inspector_debug";
   private static final String PREFS_HOT_MODULE_REPLACEMENT_KEY = "hot_module_replacement";
   private static final String PREFS_REMOTE_JS_DEBUG_KEY = "remote_js_debug";
+  private static final String PREFS_SAMPLING_PROFILER_ENABLED = "sampling_profiler_enabled";
 
   private final SharedPreferences mPreferences;
   private final Listener mListener;
diff --git a/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevSupportManagerImpl.java b/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevSupportManagerImpl.java
index 9d101741a48..0fea0516b9f 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevSupportManagerImpl.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/devsupport/DevSupportManagerImpl.java
@@ -95,6 +95,9 @@ public class DevSupportManagerImpl
   private static final int JSEXCEPTION_ERROR_COOKIE = -1;
   private static final String JS_BUNDLE_FILE_NAME = "ReactNativeDevBundle.js";
   private static final String RELOAD_APP_ACTION_SUFFIX = ".RELOAD_APP_ACTION";
+  private static final String ENABLE_SAMPLING_PROFILER = ".ENABLE_SAMPLING_PROFILER";
+  private static final String DISABLE_SAMPLING_PROFILER = ".DISABLE_SAMPLING_PROFILER";
+  private boolean mIsSamplingProfilerEnabled = false;
 
   private enum ErrorType {
     JS,
@@ -543,6 +546,24 @@ public class DevSupportManagerImpl
             }
           }
         });
+    options.put(
+        mIsSamplingProfilerEnabled
+            ? mApplicationContext.getString(R.string.catalyst_sample_profiler_disable)
+            : mApplicationContext.getString(R.string.catalyst_sample_profiler_enable),
+        new DevOptionHandler() {
+          @Override
+          public void onOptionSelected() {
+            Intent intent =
+                new Intent(
+                    mApplicationContext.getPackageName()
+                        + (mIsSamplingProfilerEnabled
+                            ? DISABLE_SAMPLING_PROFILER
+                            : ENABLE_SAMPLING_PROFILER));
+            mApplicationContext.sendBroadcast(intent);
+            mIsSamplingProfilerEnabled = !mIsSamplingProfilerEnabled;
+          }
+        });
+
     options.put(
         mDevSettings.isFpsDebugEnabled()
             ? mApplicationContext.getString(R.string.catalyst_perf_monitor_stop)
diff --git a/ReactAndroid/src/main/res/devsupport/values/strings.xml b/ReactAndroid/src/main/res/devsupport/values/strings.xml
index 750b8acffed..82db0a9b7ec 100644
--- a/ReactAndroid/src/main/res/devsupport/values/strings.xml
+++ b/ReactAndroid/src/main/res/devsupport/values/strings.xml
@@ -26,4 +26,6 @@
   <string name="catalyst_copy_button" project="catalyst" translatable="false">Copy\n</string>
   <string name="catalyst_report_button" project="catalyst" translatable="false">Report</string>
   <string name="catalyst_loading_from_url" project="catalyst" translatable="false">Loading from %1$s…</string>
+  <string name="catalyst_sample_profiler_disable" project="catalyst" translatable="false">Disable Sampling Profiler</string>
+  <string name="catalyst_sample_profiler_enable" project="catalyst" translatable="false">Enable Sampling Profiler</string>
 </resources>