Android – How to open an app programatically?
How to open an Android app with sent data? Open an Android app and send data Android app is opened and get data Why can’t […]
Android – How to add permission popup?
How to add a popup asking for permission access? Xamarin How to catch event when permission is turned on/off? Xamarin How to navigate to permission […]
Android – All about Build
What is .aab file? .aab file is Android App Bundle file. It contains only your app, it doesn’t have the necessary Android libs Is it […]
Xamarin – How to make an API call?
Refit Create response data model Create API Interface Call API
Xamarin – Development
How to update content of a label UI? Set Name to label element Set text programmatically How to display image from base64 string? How to […]
Android – How to create a service run after rebooting the phone?
How to create a service like that? Create a Notification channel Create a Service and call a local notification with startForeground Start the above service […]
Xamarin – Local notification for iOS (1)
How to create a local notification? Add permission check App.xaml.cs iOSNotificationManager.cs Send notification Use UNTimeIntervalNotificationTrigger to create a local notification immediately Use UNCalendarNotificationTrigger to create […]
Android – Update from targetSDK 28 to 29
Can’t create file Need to add android:requestLegacyExternalStorage=”true” https://developer.android.com/training/data-storage/use-cases#opt-out-scoped-storage Can’t get hardware serial number App crashes when calling Build.getSerial() best-practices-android-identifiers https://developer.android.com/reference/android/os/Build#getSerial()changes-to-device-identifiers-in.html Use ANDROID_ID for Android 10, […]
Xamarin – Local notification for Android (1)
Create a local notification How to build local notification for Android? Create a notification channel by NotificationManager Create an Activity intent Add title, message,.. Create […]
Mobile app – Google maps
How to implement Google map into Android app? Setup Google map API key Go to the Google Cloud Platform Console Select project a project Menu > […]