Alternatively, you can open dev menu on the device and select Dev Settings, then update Debug server host for device setting to the IP address of your computer. For that run: adb reverse 8081 8081 (see this link for help on adb command). On Android, if you're running Android 5.0+ device connected via USB you can use adb command line tool to setup port forwarding from the device to your computer.Shake the device to open the development menu with the option to start debugging. On iOS - open the file RCTWebSocketExecutor.m and change localhost to the IP address of your computer.Enable Pause On Caught Exceptions for a better debugging experience. This will open a new tab at In Chrome, press ⌘ + option + i or select View → Developer → Developer Tools to toggle the developer tools console.
MAC ANDROID EMULATOR SHAKE CODE
To debug the JavaScript code in Chrome, select Debug in Chrome from the developer menu. If you have added new resources (such as an image to Images.xcassets on iOS or to res/drawable folder on Android) or modified any native code (Objective-C/Swift code on iOS or Java/C++ code on Android), you will need to re-build the app for the changes to take effect. Selecting Reload (or pressing ⌘ + r in the iOS simulator) will reload the JavaScript that powers your application.
Although this behavior can be customized by passing proper value to ReactInstanceManager#setUseDeveloperSupport.
Next, select Run from the menu on the left and change the Build Configuration to Release. For iOS open your project in Xcode and select Product → Scheme → Edit Scheme.To disable the developer menu for production builds: in genymotion you can press ⌘ + m to simulate hardware menu button click) On Android shake the device or press hardware menu button (available on older devices and in most of the emulators, e.g.On iOS shake the device or press control + ⌘ + z in the simulator.
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