google-play

问题 Is it possible to set an age limit for applications published on Android store? There is the "Content rating" in the "Store presence" settings, but the age limit is calculated automatically depending on the questionnaires. How can I restrict play store to list my app only for users aged >18 years for example, without having to give false answers in the questionnaire? 回答1: No there is no such options in the console and Content Rating act as a warning type message to the users. Here are some

问题 I would like to distribute my app for free, and then sell extra features that can be added-on later. Is it possible to do this? 回答1: If you're talking about in-app payment, you should take a look at PayPal, which offers In-App-Payment for Android: http://www.x.com https://www.x.com/community/ppx/sdks If you want to distribute your app via Android Market, you would need to offer each add-on as an invididual app. Probably not a convenient way. 回答2: Yes you can do it. There are addons all over

问题 I have recently finished building my first android app. I published it to the store today but it says it supports 0 devices. Here is my manifest file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.guessthepicturespazam.guessit" > <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="נחש את המילה" android:theme="@style/Theme.AppCompat.NoActionBar" > <activity android:name="

问题 We are adding Android Auto and iOS CarPlay support to the existing Android/iOS versions of an app. We are able to successfully test the Auto application using the Android Media Browser simulator as directed by the Android developer documentation. We also have a stereo head unit that supports both Auto and CarPlay. We are able to use the CarPlay app successfully on the head unit, and we are able to use published Auto apps on the head unit. However, we can't see our development app on the

问题 In google play game services, you have to link your apps to your Game service campaign. Whenever you link an app you have to authorize it by providing the package and then the SHA1 Signing certificate fingerprint. My question is if you generate the app's apk on a different computer, the SHA1 certificate will be different. So do you have to delete the linked app and re-add it with the new SHA1? The documentation is pretty unclear about this. 回答1: My question is if you generate the app's apk on

问题 I'm new to android development, I developed an application that has a form (name, address) stored in a SQLite database, that's for the first version. In the second version I add an email field. I would like to ask how I did to make the update for the data stored on the first version are not destroyed when I made an upgrad to the second version. Thank you! 回答1: If you're using the SQLHelper class, update the version, and in the onUpdate function perform an ALTER TABLE sql command to add the

问题 This question already has answers here : Sign Android APK with a certificate that expires further in to the future (4 answers) Closed 3 years ago . I tried to upload an APK file to Google Play and I received this error: You uploaded an APK signed with a certificate that expires too soon. You need to sign your APK with a certificate that expires farther into the future Can you help me solve this problem? keytool.exe -genkey -v -keystore release.keystore -alias TicTacToe -keyalg RSA -keysize

问题 In recent update Xamarin made it possible to publish android apps straight to the Google play (before you had to generate apk and upload it manually). More info These are my version numbers. I was at version 10437 when the update came, I made some changes and raised version number to 10438 and tried the new way of publishing. What happened is that my version number became 141510 for some reason and when I tried to do it again it became 207046. After that I set the number to 320000 and started

问题 i have created a test application with in app product in google play. http://developer.android.com/guide/market/billing/billing_admin.html i have added the billing part in my application. i have also added a product in google play. When i click the link from my application. Google play store is lunched with the correct name of my product. After 2seconds, i got this error: Application error This version of the application is not configured bor billing through google play.check the help venter

问题 Though this question is asked before many a times, I am not able to find any proper solution to it. I just want my application to be installed on tablets. I already have the same application for phone and now I want it to be installed on tablets. My UI for tablet is totally different than phone. Play Store has now added a option of "Featured Apps for Tablets". I checked this Should I develop another application featured for only tablet, by adding <supports-screens android