Now I'm using ADT18. I had been running singed APK on device by installing APK with eclipse before, with ADT15 or 16. But with ADT18, when I try to run (to install) signed APK, lovely eclipse re-compiles and overwrites signed (exported) APK.
Before I release APK on Google Play, I need to run it on my device. And I want to install it by running it with eclipse. I had been doing this practice over a year. But now I can't with ADT18 and I'm forced to install APK with different way.
How can I tell eclipse not to re-compile my signed APK and just install it and run.
Thanks in advance.
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I recently made an android app. It worked just fine on both my development devices when installed from Android Studio but when I sent the GDrive links or the APK files to my friends for testing, "App not Installed" error showed up.
What's worse, I can't even install the APK directly even on my devices without installing it from android studio.
Why is this happening?
Please help.
You should build a debug APK. For this follow this
From Android studio above menu select Build -> Build Bundles(s) / APK(s) -> Build APK(s)
Then wait some time. After build success, you will find your APk here
\app\build\outputs\apk\debug\app-debug.apk
Then share this APK and IT will work fine.
You need to create keystore and then use option Build->Generate signed apk. Not signed apk is not installable.
I have generated an APK based on the React-Native documentation.
When I try to install the APK I get "installation error" on my device and the app can not run. Why would an APK not install? Is there another method to generate an APK? I am building on Windows, please I need some help. Urgengly.
I have an Android Studio Project and I need to create a runnable apk file for my beta testers (I pass the apk to them directly (via mail)). I tryed both to build an unsigned APK and to generate a signed one. But when I or my beta testers try to intall the APK, the installer say "App not intalled".
How can I build an APK file which work?
Thanks for help.
Having seen you case, you need to make sure that you are trying or installing signed apk. I was facing the same issue of App not installed what I did to over come the issue I build signed apk. And everything worked fine. Although the version before 3.0, without signed apk used to work, but after 3.0 or above without signed apk(if you installed directly) will not work. This will throw the same App not installed error.
I am developing an android application. All the things is going well when I run the application into genymotion virtual device.And Since the apk is stored in F:...\app\build\outputs\apk location. So I just want to collect it from this location and download it to install in a android phone.As I simultaneously updating the application with code but this apk doesn't provide me the updated apk file according to the updated code .They just give me the old apk file even if i run my application again and again from the android studio. Can anyone suggest me why this is happening ??? I just want to run this apk into phone or download this apk file for another purpose.
This three steps will do Go build->Build apk
Go to Build > Build APK to generate a normal APK.
Go to Build > Generate Signed APK to generate signed APK.
Signed APK are those which we generate to release our application. Here it is, why is it necessary to generate signed APKs: Why should I Sign my Application APK before release
If you build a debug APK, it will still work on all devices but you cannot release it.
From terminal run the following command to make sure that you get the updated apk.
1. gradle clean (from windows )
-or-
./gradlew clean (from linux) -
Above command deletes the build folder.
2. gradle build (from windows)
-or-
./gradlew build(from linux)
Above command builds all the flavor for your application.
Edit: Original answer
Signed apk is needed to install in any other non debug device. This will be same as the debug app that runs in your test device/emulator.
Build -> Generate signed apk
When the app in the development stage, I get the apk from the "bin" file and install it in a real android phone to test the app, and it works great. However when I export the apk from the eclipse, the apk can successful export but the apk cannot install in the phone, and shows
An existing package by the same name with a conflicting signature is already installed
Some people said you need to uninstall the app and install it again, but this app I want to put it on the Play Store, so it is impossible to ask users to do this.
Also, I want to use the ProGuard function, so I need to export the apk to enable this function.
Your development APK is signed with a development key. Your production APK is signed with a production key.
When you try to install a production APK over a development APK, it detects that the keys were different and refuses to "upgrade" the APK.
For production in the Google Play store you won't have this problem. All your users are already using the production version of the app. The new APK you provide is also a production version and so since the keys match, the upgrade will work without the users needing to uninstall the app.
Uninstall the app on your phone then re-install it