fix: sleep and make this script more robust

scripts/run-ios-device.sh

@@ -45,27 +45,31 @@ else
 fi
 
 BUILD_DIR="${GIT_ROOT}/build"
+XCRUN_LOG_DIR="${GIT_ROOT}/build/XcrunLog"
 
 #iOS build of debug scheme
 xcodebuild -workspace "ios/StatusIm.xcworkspace" -configuration Debug -scheme StatusIm -destination id="$DEVICE_UUID" -derivedDataPath "${BUILD_DIR}" | xcbeautify
 
 APP_PATH="${BUILD_DIR}/Build/Products/Debug-iphoneos/StatusIm.app"
 
 # Install on the connected device
-DEVICECTL_OUTPUT=$(xcrun devicectl device install app --device "$DEVICE_UUID" "$APP_PATH" 2>&1 | tee >(cat 1>&2))
+xcrun devicectl device install app --device "$DEVICE_UUID" "$APP_PATH" --json-output "$XCRUN_LOG_DIR"
 
 # Extract installationURL
-INSTALLATION_URL=$(echo "$DEVICECTL_OUTPUT" | grep "installationURL:" | sed -E 's/.*installationURL: (.*)/\1/')
+INSTALLATION_URL=$(jq -r '.result.installedApplications[0].installationURL' "$XCRUN_LOG_DIR")
+
+# launch the app and put it in background
+xcrun devicectl device process launch --no-activate --verbose --device "$DEVICE_UUID" "$INSTALLATION_URL" --json-output "$XCRUN_LOG_DIR"
+
+# Extract background PID of status app
+STATUS_PID=$(jq -r '.result.process.processIdentifier' "$XCRUN_LOG_DIR")
 
 trap cleanupMetro EXIT ERR INT QUIT
 runMetro &
 waitForMetro
 
-# wait a bit after installation for the iPhone to calm down
-sleep 3
-
-# launch the app when metro is ready
-xcrun devicectl device process launch --device "$DEVICE_UUID" "$INSTALLATION_URL"
+# now that metro is ready, resume the app from background
+xcrun devicectl device process resume --device "$DEVICE_UUID" --pid "$STATUS_PID"
 
 # bring metro job to foreground
 fg 'runMetro'