Creating an app preview video can be really easy using the simulator in just a few steps.
Capturing an iOS simulator video to use for an App Preview video
- Open the simulator and run your app
- Open the terminal
- Start recording using the following command:
xcrun simctl io booted recordVideo <filename>.<file extension>, for example:xcrun simctl io booted recordVideo app-preview.mp4 - Press
ctrl + cto stop recording
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Making this part of your workflow using a bash alias
Recording a video from the simulator can be a lot easier using an alias in your bash profile.
Emerge - Instantly reduce and monitor app sizeOur team has experience reducing the size of Airbnb’s iOS app by 10%, now we’re bringing our new development experience to apps everywhere. App size is critical to building a global presence, but you don’t have to solve it on your own. Let Emerge worry about app size, so your engineers can focus on building the features customers want.
- Open your
.bash_profile. Create one if it does not yet exist. More info can be found here: Creating a .bash_profile on your mac - Add the following function:
## Starts recording the simulator.
recsim() {
echo -n "Use CTRL+C to stop recording";
xcrun simctl io booted recordVideo "$1";
}
- Use the command in your terminal:
recsim app-preview.mp4
That’s it! An easy way to create your app preview video using the simulator.
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