Specific warnings can be ignored programmatically by setting an array of prefixes that should be ignored: YellowBoxes can be disabled during development by using console.disableYellowBox = true. Click on the alerts to show more information or to dismiss them.Īs with a RedBox, you can use console.warn() to trigger a YellowBox. Warnings will be displayed on screen with a yellow background. You can use console.error() to manually trigger one.
#Android emulator mac shortcuts full
In-app errors are displayed in a full screen alert with a red background inside your app. In-app Errors and Warnings #Įrrors and warnings are displayed inside your app in development builds. To enable them, open the Hardware menu, select Keyboard, and make sure that "Connect Hardware Keyboard" is checked. React Native supports a few keyboard shortcuts in the iOS Simulator.
When enabled, most of your edits should be visible within a second or two. Fast Refresh is enabled by default, and you can toggle "Enable Fast Refresh" in the React Native developer menu.
While debugging, it can help to have Fast Refresh enabled. Enabling Fast Refresh #įast Refresh is a React Native feature that allows you to get near-instant feedback for changes in your React components. The Developer Menu is disabled in release (production) builds. Alternatively for Android, you can run the command adb shell input keyevent 82 to open the dev menu (82 being the Menu key code).
#Android emulator mac shortcuts mac os
You can also use the ⌘D keyboard shortcut when your app is running in the iOS Simulator, or ⌘M when running in an Android emulator on Mac OS and Ctrl+M on Windows and Linux. You can access the developer menu by shaking your device or by selecting "Shake Gesture" inside the Hardware menu in the iOS Simulator. Debugging Accessing the In-App Developer Menu #
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