java – How to paginate Firestore with Android?-ThrowExceptions

Exception or error: I read Firestore documentation and all articles on internet(stackoverflow) about Firestore pagination but no luck. I tried to implement the exact code in docs, but nothing happens. I have a basic database with items(over 1250 or more) and I want to get them progressively. By scrolling to load 15 items (to the …

validation – How to restrict TextView to allow only alpha-numeric characters in Android-ThrowExceptions

Exception or error: I have a TextView in my app that i want a user to be able to only enter alpha-numeric characters in. How can this be done? Thanks! How to solve: In the XML, put this: android:digits=”abcdefghijklmnopqrstuvwxyz1234567890 ” ### Here is a better solution……… https://groups.google.com/forum/?fromgroups=#!topic/android-developers/hS9Xj3zFwZA InputFilter filter = new InputFilter() { public CharSequence …

android – How to handle RESTful update of remote server with SyncAdapter-ThrowExceptions

Exception or error: I’ve watched the Google I/O REST talk and read the slides: http://www.google.com/events/io/2010/sessions/developing-RESTful-android-apps.html I’m still a bit unclear on how to nicely handle, say, an update error thrown by the remote server. I have implemented my own ContentProvider and SyncAdapter. Consider this scenario: Update a user’s Contact Details via REST call: Request an …

Android Crashlytics – restrict network access-ThrowExceptions

Exception or error: I’ve been working for a while around a lack of ability to restrict Crashlytics network usage under certain conditions. For example – on roaming, on metered networks and so on.. According to SDK documentation, only two options I found addressing somehow this: “Opt Out” on runtime by simply not initialize Crashlytics built-in …

android – Firestore: Invalid package reference in library-ThrowExceptions

Exception or error: After updating to com.google.firebase:firebase-firestore:16.0.0 I get the following lint error: Error: Invalid package reference in library; not included in Android: javax.naming.directory. Referenced from io.grpc.internal.DnsNameResolver.JndiResolver. [InvalidPackage] Error: Invalid package reference in library; not included in Android: javax.naming. Referenced from io.grpc.internal.DnsNameResolver.JndiResolver. [InvalidPackage] Seems that the grpc dependency is making lint unhappy. How can I …

Backup/restore sqlite db in android-ThrowExceptions

Exception or error: This question already has answers here: Closed 7 years ago. Possible Duplicate: Android backup/restore: how to backup an internal database? I am developing an app in which there is SQL lite db. I need to give the user the ability to back up the database and restore it again. How can I …