If you are building something with react-native and need help. PS: Just so you know we ended up using react-native-cached-image, which doesn’t store image in memory. This is what the result looks like after removing it. You will need to enter in your computer admin password. So I decided to remove this wonderful package from my app, and result was shocking. Open Terminal and type sudo xcode-select -switch /Applications/Xcodex.x.x.app. We were using the react-native-fast-image package for caching the images on that screen and since react-native doesn’t have a “better” way to cache fetched images we ended up using react-native-fast-image. Result below shows us the memory taken by “in memory” image objects. And if you’ve needed to use it for any period of time, you know: it’s a memory hog. WebStorm provides integration support for Node.js enabling developers to run, debug, and unit test the Node.js applications they build. It’s a commercial integrated development environment for HTML, CSS, and Javascript. I realised when I jump into the carousel screen and select an image from carousel of 12 images, memory shoots up for every single image. When you’re developing for iOS, there is pretty much no other game in town other than Xcode. One of the best Xcode alternatives for Windows you can find in the market is WebStorm. This is how it looks after performing some swipes in the screen and carousel operations. Then you can click on the `red dot` on top left corner which will restart the app in simulator and you can start playing with the app.Ĥ. This should open the leaks profiler on your screen. This is how you can change the release build with xcode. Since dev build includes logging/warning, hot reloading features we don’t need them when checking for leaks. While profiling for memory leaks we need to make sure app is built with the release Scheme.This is what I did to reduce app total memory usage from 600MB to 60MB. And since iPhone 6 has 1GB of ram, iPhone automatically kills the app. While using some heavy features in the app memory was shooting up to 600+ MB. Cached Files: The size of files cached by the system into unused memory to improve performance. After high level profiling we found out that its a memory issue. Select the Compressed Memory column, then look in the VM Compressed column for each app to see the amount of memory being compressed for that app. Our react-native app was working well on all devices and except iPhone 6 it was resulting in a crash. By Jignesh Kakadiya Finding memory leaks react-native app (iOS)
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