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I'm running a 2012 MacBook pro with 16gb ram and all SSD storage running the High Sierra GM release and using the GM release of Xcode 9.
- The first time the app is compiled, there's no error, but once I stop the app and try to compile it again, the next message will always pop up: Launching lib/main.dart on iPhone 11 in debug mode.
- The Apple iOS Simulator, which ships as part of Xcode, is a tool for developing and prototyping your mobile app. While the iOS Simulator can be used to test your app’s basic behaviour, it is severely limited as a testing platform. In order to effectively test your app across real world scenarios, it is essential to use real mobile devices.
- I am using Android Studio and I can see Open iOS Simulator option in the toolbar, when I tap on it, it always launches iPhone XR simulator. Is there any way to change the simulator from Android Studio, I know I can open the Xcode and choose the simulator from the list and then come back to Android Studio and select it, but I was looking for a way so that I can set Simulator in Xcode and next.
Close Xcode and iOS Simulator (and all related applications) Install (or reinstall) Xcode6-Beta to Applications folder (direct from the.dmg file) Open Xcode6-Beta and go to Xcode - Preferences - Locations - Command Line Tools and select “Xcode 6.0” (be sure that you’ve selected the one in Applications folder).
![Xcode Simulator Close App Xcode Simulator Close App](https://www.tomspencer.dev/img/2017-05-29-a-guide-to-installing-cordova-on-your-mac/iphone-simulator.png)
I suspect that I am like most other developers and really want to get a jump on any UI changes that I might need to make to best support the iPhone X. So, I recompiled my SpriteKit based game using Xcode 9 and iOS 11. When I try to run the game on the iOS 11 simulators, regardless of device, the game launches, but it is functionally useless. Essentially it freezes and won't respond to any input or draw any animations.
At first I thought that maybe this was a hardware issue so I decided I should download the iOS 10.3.1 simulators to test it again. It runs fine on the iPhone 7 Plus simulator running iOS 10.3.1. On the iPhone 7 Plus simulator (or any other iPhone simulator) running iOS 11 it freezes before the first SpriteKit Scene has finished its opening animation sequence or shortly thereafter on some of the smaller screen sizes and will essentially do nothing. The frame count, node, quads and draws count all quit updating as well. The simulator itself is still working because I can return to the Home Scree, launch things like News and Settings, kill the game, etc.
This is obviously impacting my ability to test and make changes for the iPhone X release.
Has anyone else experienced a similar issue with app freezing on the iOS 11 GM release simulators? Or, any advice on how I might be able to troubleshoot and/or improve the simulator performance (short of getting a new iMac, please).
Thanks in advance for the help.
Using a Debugger
The
debugger
keyword can be used to debug your application. When most browsers encounters a `debugger` statement, execution of Javascript is stopped, and your browser will load its debugger. This can be used to set 'breakpoints' in your application. For example, if you write a function that is not returning what you expect it to, you can add a debugger statement to the first line of the function:When your application runs, it will pause at this function. From there, you can use your browser's developer tools to only execute Javascript step-by-step. This allows you to see exactly which line or function call is causing your function to break.
Changing the Platform
By default, when you view your app in the browser, Ionic will apply the iOS theme. However, since Ionic components adapt according to their platform, it is helpful to be able to view what your app looks like on Android. To do this, simply add
?ionicplatform=android
to the URL where your app is being served: http://localhost:8100/?ionicplatform=android
. This will change how Ionic sees which platform you are on.However, this will not change how the browser sees which platform you are on. To change how the browser sees which platform and device you are on, you must change the user-agent. To do this, open up Chrome DevTools, and toggle device mode on with Ctrl + Shift + M (Cmd + Shift + M on Mac).
Selecting devices from the device dropdown will change the user-agent, as well as the dimensions of the viewport. Between this and adding the
?ionicplatform=android
URL param, you can check out how your app will look on a wide number of devices.Using the iOS Simulator
The iOS simulator allows you to test and debug your app before running it on an actual device. Before it can be used, we need to install Xcode, Apple's IDE. The Ionic CLI can then be used to run the app in the current directory on the simulator:
Passing in the
-lc
flag will enable livereload and log console output to your terminal.You can also use Xcode to launch the emulator and debug your app. Photoshop cs6 trial pc. Open up Xcode and open
./path-to-app/platforms/ios/myApp.xcodeproj
. After your app loads, you will be able to run it and see all console output inside of Xcode's output window.Using the Genymotion Android Emulator
While the Android SDK comes with a stock emulator, it can be very slow and unresponsive at times. Genymotion is an alternate emulator that is blazing fast, and allows you to emulate native functionality like GPS and camera.
Remote Debugging - iOS and Safari
Safari can be used to debug an Ionic app on a connected iOS device. First, we need to enable Web Inspector on the connected device. Web Inspector can be found under
Settings > Safari > Advanced
. Next, head over to the Safari on your Mac and enable Show Develop menu in menu bar under Safari > Preferences > Advanced
. The connected device should now appear in the Develop menu. From there, you can inspect it and use Safari's developer tools to debug your application!Remote Debugging - Android and Chrome
Xcode Simulator Close App Installer
Chrome DevTools are a very powerful set of tools for debugging your application. When you use
ionic serve
to run your application in the browser, DevTools can be used to inspect elements, view console logs, profile your application, and much more.Xcode Simulator Close App Download
![App App](https://bi-coa.org/img/540bba46abb671603cbfafcecd5bacfd.jpg)
Iphone Simulator Xcode
In addition to using DevTools to debug your app in the browser, DevTools can be used to debug a remote physical Android device, or even a Genymotion emulator running your app. First off, we will need to have adb installed. Once installed, if your device is connected, or an Android emulator is running, you should be able to see your device listed when you run the following command:
Next, go to
chrome://inspect/#devices
in Chrome and inspect your Android device. Note: you may need to change the settings on your device to allow USB debugging. From there, you can use Chrome to debug your application just like it is in the browser!Xcode Simulator For Windows
Remote Debugging - VS Code Plugin
VS Code has a dedicated plugin for debugging apps built with Cordova. The plugin creates bridge between the device and the debugger and allows you to set break points in your editor directly.