Mac Android Programming App Not Showing On Emulator
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The emulator that comes with Android Studio swallows up lots of resources on your development computer. If you’re like a lot of developers and don’t always have the latest, most powerful hardware, you may have trouble running apps in the emulator.
Jul 09, 2019 Check your emulator path by typing which emulator in the terminal. Ensure it is in sdk/emulator/emulator and not sdk/tools/emulator as that’s the problem on my machine.
If, after five minutes or so, you don’t see Android’s home screen and you don’t see your app running, here are several things you can try:
First of all, If you create new emulator, If this issue is disappear. Then, this issue is still existed, please open your Android Adb Command Prompt, run this adb kill-server,then adb start-server If this issue is disappear. In the end, you can open your VS installer, choose the repair to repair your VS. Jobs Programming and related technical career opportunities. Android App not showing on emulator. Ask Question. When I run my app to the emulator, the app is not visible in the homescreen. The emulator works fine, builds fine, the project builds fine as well, it's just the app is nowhere to be found in the emulator.
- Lather, rinse, repeat.
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Close the emulator and launch your application again. Sometimes, the second or third time’s a charm. On rare occasions, a fourth attempt succeeds.
- If you have access to a computer with more RAM, try running your app on it.
Horsepower matters.
- Try a different AVD.
AVD with an x86 system image is better than an AVD with an armeabi image. (Fortunately, when a dialog box lets you choose between x86 and armeabi, you don’t have to know what x86 or armeabi means.)
AVDs with lower resolution and screen density consume fewer resources on your development computer. So, if the AVD that you’re running drags you down, make yourself a lower-resolution AVD (one that satisfies your app’s minimum SDK requirement). Then, when you run an app, Android Studio prompts you with the Select Deployment Target dialog box. Pick the lower-resolution AVD from the dialog box’s list, and you’ll be on your way.
If you’ve tried these tricks and you’re still having trouble, you might try abandoning the emulator that comes with Android Studio.
Running third-party emulators
Android’s standard emulator and AVDs (the software that you get when you install Android Studio) don’t run flawlessly on every computer. If you don’t have at least 16GB of RAM, the emulator’s start-up may be very slow. Even after start-up, the emulator’s response may be painfully sluggish. If you don’t like the standard emulator, you can try one of the third-party emulators.
- AtGenymotion.com, you can download an alternative to the standard Android emulator.
This alternative is available for Windows, Macintosh, and some Linux systems. Genymotion’s product is free for personal use, but costs $135 per year for commercial use.
Mac Android Programming App Not Showing On Emulator Android
- AtAndroid’s Developer site, you can download Visual Studio Emulator for Android.
This alternative is free to use, but it runs only on Windows computers.
If you have trouble running the emulator that comes with Android Studio, these third-party emulators are definitely worth considering.
Testing apps on a physical device
You can bypass emulators and test your apps on a real phone, a tablet device, or even an Android-enabled coffee pot. To do so, you have to prepare the device, prepare your development computer, and then hook together the two.
Your device’s Android version must be at least as high as your project’s minimum SDK version.
To test your app on a physical device, follow these steps:
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- On your Android device, find the USB Debugging option:
- If your Android device runs version 3.2 or older, choose Settings → Applications → Development.
- If your Android device runs version 4.0, 4.0.3, or 4.1, choose Settings → Developer Options.
- If your Android device runs version 4.2 or higher, choose Settings → About. In the About list, tap the Build Number item seven times. (Yes, seven times.) Then press the Back button to return to the Settings list. In the Settings list, tap Developer Options.Now your Android device displays the Development list (also known as the Developer Options list).
- In the Development (or Developer Options) list, turn on USB debugging. Here’s an example of what a device displays when you mess with this setting:
USB debugging is intended for development purposes.Use it to copy data between your computer and your device,install apps on your device without notification, and read log data.The stewards of Android will warn you that the USB Debugging option can expose the device to malware.
You can keep USB debugging on all the time. But if you’re nervous about security, turn off USB debugging whenever you’re not using the device to develop apps.Mac os x time tracking software. Clockify is a web-based time tracker and Mac-compatible time tracking software. It’s the only time tracking program that’s truly free, no matter how many projects you have or how big your team is. Clockify is primarily a browser app, but you can also install it on your Mac OS X as a native desktop app to make time tracking more convenient.
- For Windows users only:) Visit Android’s Developer site to download your Android device’s Windows USB driver. Install the driver on your Windows development computer.
- When you start running an app, make sure that your development computer displays the Select Deployment Target dialog box.
If you don’t see the Select Deployment Target dialog box, from Android Studio’s main menu choose Run → Edit Configurations. On the left side of the resulting dialog box, select Android Application → App. In the main body of the dialog box, under Deployment Target Options, choose the Open Select Deployment Target Dialog option and deselect the Use Same Device for Future Launches check box. Seal the deal by clicking OK.
- Make sure that your Android device’s screen is illuminated.
This particular step might not be necessary.
While you follow the next step, keep an eye on your Android device’s screen. - With a USB cable, connect the device to the development computer.
Not all USB cables are created equal. Some cables have wires and metal in places where other cables (with compatible fittings) have nothing except plastic. Try to use whatever USB cable came with your Android device. If you can’t find the cable that came with your device or you don’t know which cable came with your device, try more than one cable. When you find a cable that works, label that able cable. (If the cable always works, label it Stable Able Cable.)
When you plug in the cable, you see a pop-up dialog box on the Android device’s screen. The pop-up asks: Allow USB Debugging? - In response to the Allow USB Debugging? question, click the screen’s OK button.
If you’re not looking for it, you can miss the Allow USB Debugging? pop-up dialog box. Be sure to look for this pop-up when you plug in your device. If you definitely don’t see the pop-up, you might be okay anyway. But if the message appears and you don’t respond to it, you definitely won’t be okay.
- In Android Studio, run your project.
Android Studio offers you the Select Deployment Target dialog box. Select your connected device, and (lickety-split) your app starts running on your Android device.
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Answers
1.Will the problem occur on all actual devices? Try deploying code on other devices.
2.Check the Supported Architectures in Visual Studio.
Properties -> Android Options -> Advanced ->Supported ArchitecturesRefer to:
https://forums.xamarin.com/discussion/98764/app-works-on-emulator-but-not-on-deviceHow are you connecting to the database ? If you are using connection string method then you are asking for trouble. Imagine doing that across the internet on mobile, firewall port mapping, latency issues, losing connection with DB and what not, security issues. it would be a no go. Direct DB connection are not meant for high latency and unreliable network.
You have to code a web api for your mobile to connect to the DB.
- edited August 20190
@AlbertK said:
How are you connecting to the database ? If you are using connection string method then you are asking for trouble. Imagine doing that across the internet on mobile, firewall port mapping, latency issues, losing connection with DB and what not, security issues. it would be a no go. Direct DB connection are not meant for high latency and unreliable network.You have to code a web api for your mobile to connect to the DB.
Thank you!! I will try if for sure
@Jarvan said:
1.Will the problem occur on all actual devices? Try deploying code on other devices.2.Check the Supported Architectures in Visual Studio.
Properties -> Android Options -> Advanced ->Supported ArchitecturesThank You for you reply!! I will take a look!
@AlbertK said:
How are you connecting to the database ? If you are using connection string method then you are asking for trouble. Imagine doing that across the internet on mobile, firewall port mapping, latency issues, losing connection with DB and what not, security issues. it would be a no go. Direct DB connection are not meant for high latency and unreliable network.You have to code a web api for your mobile to connect to the DB.
Actually albert, i connect my database using node.js so it is not direct connection. It just so weird when i can login and register on my emulator but not being able to login and register on my device. So when i try to login and register it would do nothing..
- Accepted Answer
Is your emulator and your phone on the same network? if not then it is a network issue.
- Accepted Answer
@AlbertK said:
Is your emulator and your phone on the same network? if not then it is a network issue.THANK YOU SO MUCH!!! IT WORKS NOW!!! I really did not think of that.