5 minutes

fixes #89
fixes #94

android/src/main/java/com/equimaps/capacitor_background_geolocation/BackgroundGeolocation.java

@@ -18,6 +18,7 @@
 import android.os.Build;
 import android.os.IBinder;
 import android.provider.Settings;
+import android.view.View;
 
 import com.getcapacitor.JSObject;
 import com.getcapacitor.Logger;
@@ -332,6 +333,26 @@ protected void handleOnResume() {
     protected void handleOnPause() {
         if (service != null) {
             service.onActivityStopped();
+
+// There have been reports (#89 and #94) that locations cease to be delivered
+// after 5 minutes in the background, at least with Capacitor 4. The locations
+// arrive on the native side, but are not delivered to the WebView until it
+// returns the foreground, at which point the locations are all delivered at
+// once.
+
+// This hack comes from github.com/angeloraso/capacitor-plugin-background-mode,
+// and works by tricking the WebView into thinking it's visible even when it's
+// not. This prevents it going to sleep, keeping its event loop responsive
+// indefinitely.
+
+            new Thread(() -> {
+                try {
+                    Thread.sleep(1000);
+                    this.bridge.getWebView().dispatchWindowVisibilityChanged(
+                        View.VISIBLE
+                    );
+                } catch (Exception ignore) {}
+            }).start();
         }
         stoppedWithoutPermissions = !hasRequiredPermissions();
         super.handleOnPause();