From 866774b9bff86c12f450c4c83bafe5415fe82400 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 29 Sep 2023 13:36:18 +0200
Subject: [PATCH] Log app foreground/background

---
 .../java/eu/faircode/email/ApplicationEx.java | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/ApplicationEx.java b/app/src/main/java/eu/faircode/email/ApplicationEx.java
index 79341b258b..1e0135dae2 100644
--- a/app/src/main/java/eu/faircode/email/ApplicationEx.java
+++ b/app/src/main/java/eu/faircode/email/ApplicationEx.java
@@ -46,6 +46,10 @@ import androidx.core.os.LocaleListCompat;
 import androidx.emoji2.text.DefaultEmojiCompatConfig;
 import androidx.emoji2.text.EmojiCompat;
 import androidx.emoji2.text.FontRequestEmojiCompatConfig;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.ProcessLifecycleOwner;
 import androidx.preference.PreferenceManager;
 import androidx.work.WorkManager;
 
@@ -126,6 +130,22 @@ public class ApplicationEx extends Application
 
         CoalMine.install(this);
 
+        ProcessLifecycleOwner.get().getLifecycle().addObserver(new LifecycleObserver() {
+            @OnLifecycleEvent(Lifecycle.Event.ON_START)
+            public void onStart() {
+                log(true);
+            }
+
+            @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+            public void onStop() {
+                log(false);
+            }
+
+            private void log(boolean foreground) {
+                Log.breadcrumb("app", "foreground", Boolean.toString(foreground));
+            }
+        });
+
         registerActivityLifecycleCallbacks(lifecycleCallbacks);
 
         getMainLooper().setMessageLogging(new Printer() {