android studio apk

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FAQ

Why does the same project Android Studio APK file change size during development depending on which device I'm testing it on?
The change in size you see might not be of the APK but of the app that gets installed on the phone. Both are different things. Let me ex. APK size is directly dependent on the Android SDK and has nothing to do with the test device. This is because APK is generated on your PC using the SDK and it is then pushed to the device via adb. Therefore APK size can't possibly be dependent on device. Installed size is the size of the app you see in settings apps app window. It shows how much size the app takes on your phone. This factor depends on the android version of the phone the runtime (ART or Dalvik) and in some cases it may also depend on ROM. This is because apk gets unpacked when it is installed in a phone and it gets unpacked differently based on different systems. Example - ART systems ( 5. lollipop) typically have larger app install sizes than Dalviks (Kitkat or lower). So I believe it's the installed size which is changing in your case and not APK. I hope this helps. Cheers U1f44d
Why is Android Studio refusing to run an app for the first time (Java, Android, Android Studio, APK, and development)?
The change in size you see might not be of the APK but of the app that gets installed on the phone. Both are different things. Let me ex. APK size is directly dependent on the Android SDK and has nothing to do with the test device. This is because APK is generated on your PC using the SDK and it is then pushed to the device via adb. Therefore APK size can't possibly be dependent on device. Installed size is the size of the app you see in settings apps app window. It shows how much size the app takes on your phone. This factor depends on the android version of the phone the runtime (ART or Dalvik) and in some cases it may also depend on ROM. This is because apk gets unpacked when it is installed in a phone and it gets unpacked differently based on different systems. Example - ART systems ( 5. lollipop) typically have larger app install sizes than Dalviks (Kitkat or lower). So I believe it's the installed size which is changing in your case and not APK. I hope this helps. Cheers U1f44d
Where do APK files get stored in Android Studio?
The are not stored but have to be generated . The procedure is = 1 .) The first step in the process of generating a signed application APK file involves changing the build variant for the project from debug to release. This is achieved using the Build Variants tool window which can be accessed from the tool window quick access menu (located in the bottom left hand corner of the Android Studio main window. 2.) Once the Build Variants tool window is displayed change the Build Variant settings for all the modules listed from debug to release. 3.) The project is now configured to build in release mode. The next step is to configure signing key information for use when generating the signed application package. 4.) To create a keystore file select the Build - Generate Signed APK menu option to display the Generate Signed APK Wizard dialog. 5.) In the event that you have an existing release keystore file click on the Choose existing button and navigate to and select the file. In the event that you have yet to create a keystore file click on the Create new button to display the New Key Store dialog . Click on the button to the right of the Key store path field and navigate to a suitable location on your file system enter a name for the keystore file (for example ) and click on the OK button. 6.) The New Key Store dialog is now divided into two sections. The top section relates to the keystore file. In this section enter a strong password with which to protect the keystore file into both the Password and Confirm fields. The lower section of the dialog relates to the release key that will be stored in the key store file. 7.) The next step is to generate a new private key which will be used to sign the application package. Within the Key section of the New Key Store dialog enter the following details An alias by which the key will be referenced. This can be any sequence of characters though only the first 8 are used by the system. A suitably strong password to protect the key. The number of years for which the key is to be valid (Google rmends a duration in excess of 27 years). In addition information must be provided for at least one of the remaining fields (for example your first and last name or organization name). 8.) Once the information has been entered click on the Next button to proceed with the package creation. 9.) The next task to be performed is to instruct Android Studio to build the application APK package file in release mode and then sign it with the newly created private key. At this point the Generate Signed APK Wizard dialog should still be displayed with the keystore path passwords and key alias fields populated with information. 1.) Assuming that the settings are correct click on the Next button to proceed to the APK generation screen. Within this screen review the Destination APK path setting to verify that the location into which the APK file will be generated is acceptable. In the event that another location is preferred click on the button to the right of the field and navigate to the desired file system location. 11.) Enable the Run ProGuard checkbox (ProGuard performs a series of optimization and verification tasks that result in smaller and more efficient byte code) before clicking on the Finish button. At this point the Gradle system willpile the application in release mode. Once the build isplete a dialog will appear providing the option to open the folder containing the APK file in an explorer window. 12.) At this point the application is ready to be submitted to the Google Play store. The private key generated as part of this process should be used when signing and releasing future applications and as such should be kept in a safe place and securely backed up. The final step in the process of bringing an Android application to market involves submitting it to the Google Play Developer Console. Once submitted the application will be available for download from the Google Play App Store.
How do I build an APK in Android studio?
The are not stored but have to be generated . The procedure is = 1 .) The first step in the process of generating a signed application APK file involves changing the build variant for the project from debug to release. This is achieved using the Build Variants tool window which can be accessed from the tool window quick access menu (located in the bottom left hand corner of the Android Studio main window. 2.) Once the Build Variants tool window is displayed change the Build Variant settings for all the modules listed from debug to release. 3.) The project is now configured to build in release mode. The next step is to configure signing key information for use when generating the signed application package. 4.) To create a keystore file select the Build - Generate Signed APK menu option to display the Generate Signed APK Wizard dialog. 5.) In the event that you have an existing release keystore file click on the Choose existing button and navigate to and select the file. In the event that you have yet to create a keystore file click on the Create new button to display the New Key Store dialog . Click on the button to the right of the Key store path field and navigate to a suitable location on your file system enter a name for the keystore file (for example ) and click on the OK button. 6.) The New Key Store dialog is now divided into two sections. The top section relates to the keystore file. In this section enter a strong password with which to protect the keystore file into both the Password and Confirm fields. The lower section of the dialog relates to the release key that will be stored in the key store file. 7.) The next step is to generate a new private key which will be used to sign the application package. Within the Key section of the New Key Store dialog enter the following details An alias by which the key will be referenced. This can be any sequence of characters though only the first 8 are used by the system. A suitably strong password to protect the key. The number of years for which the key is to be valid (Google rmends a duration in excess of 27 years). In addition information must be provided for at least one of the remaining fields (for example your first and last name or organization name). 8.) Once the information has been entered click on the Next button to proceed with the package creation. 9.) The next task to be performed is to instruct Android Studio to build the application APK package file in release mode and then sign it with the newly created private key. At this point the Generate Signed APK Wizard dialog should still be displayed with the keystore path passwords and key alias fields populated with information. 1.) Assuming that the settings are correct click on the Next button to proceed to the APK generation screen. Within this screen review the Destination APK path setting to verify that the location into which the APK file will be generated is acceptable. In the event that another location is preferred click on the button to the right of the field and navigate to the desired file system location. 11.) Enable the Run ProGuard checkbox (ProGuard performs a series of optimization and verification tasks that result in smaller and more efficient byte code) before clicking on the Finish button. At this point the Gradle system willpile the application in release mode. Once the build isplete a dialog will appear providing the option to open the folder containing the APK file in an explorer window. 12.) At this point the application is ready to be submitted to the Google Play store. The private key generated as part of this process should be used when signing and releasing future applications and as such should be kept in a safe place and securely backed up. The final step in the process of bringing an Android application to market involves submitting it to the Google Play Developer Console. Once submitted the application will be available for download from the Google Play App Store.
How can I test just .apk files in Android studio?
I am not sure if you can run tests without source code. However you can manually test the apk with the use ofmand will need access to adb for that. If you have put adb on environment Path you can directly enter the belowmand - adb install
Where is the .APK on my Android studio project?
For finding the .apk file of your project . You first need to build your project with from Android Studio . You can build your project Build Generate Signed APK ( You need to give keystore to genearte signed apk) Or Build Build APK.( No keystore needed) After finishing Now see the notification of Right Bottom Corner in Android Studio. You can open files by clicking on notification or you can go to manually. Now Go to your project folder