For starters, your application needs to declare a targetSdkVersion of 26 (API level of Android Oreo) or higher in your build.gradle or AndroidManifest.xml for all this to work. Then on to answer the questions above: How to check whether I’m allowed to request a package install? You can check this using getPackageManager().canRequestPackageInstalls() anywhere in your … Read more
Try changing the ADB connection timeout. I think it defaults that to 5000ms and I changed mine to 10000ms to get rid of that problem. If you are in Eclipse, you can do this by going through Window -> Preferences and then it is in DDMS under Android. As described here: Android error: Failed to … Read more
You can’t install and run in one go – but you can certainly use adb to start your already installed application. Use adb shell am start to fire an intent – you will need to use the correct intent for your application though. A couple of examples: adb shell am start -a android.intent.action.MAIN -n com.android.settings/.Settings … Read more
Happens to my Xiaomi phone after updated it to MIUI 8. Took me hours to figure it out! Check the followings if you’re a victim too: Go to Settings -> Permissions -> Install via USB: Uncheck your App if it’s listed. Go to Settings -> Additional Settings -> Privacy: Check the Unknown Sources option. Finally … Read more
You may be using the android 5.0 or above device. May be your development version is not uninstalled properly. Try this, Just go to the Settings –> Apps –> Click on your App. —> In App info page at the action bar menu there will be an option called ” Uninstall for All users “ … Read more
Restarting the emulator from the Android SDK and AVD Manager and selecting the option Wipe User Data has solved this problem for me. You can find the option as highlighted in the below given image:
I had the same error message, but these answers did not help. On a 4.3 nexus 7, I was using a user who was NOT the owner. I had uninstalled the older version but I kept getting the same message. Solution: I had to login as the owner and go to Settings -> Apps, then … Read more
create a key using keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 then sign the apk using : jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore my_application.apk alias_name check here for more info
When you run the project on the emulator, the APK file is generated in the bin directory. Keep in mind that just building the project (and not running it) will not output the APK file into the bin directory.
I found that this error can now also occur when using the wrong signing config. As described here, Android 7.0 introduces a new signature scheme, V2. The V2 scheme signs the entire APK rather than just the JAR, as is done in the V1 scheme. If you sign with only V2, and attempt to install … Read more