There’s nothing wrong with saving the whole history in the database, they are prepared for that kind of tasks. Actually you can find here in Stack Overflow a link to an example schema for a chat: example If you are still worried for the size, you could apply some optimizations to group messages, like adding … Read more
If you are looking to create an instant messenger for Android, this code should get you started somewhere. Excerpt from the source : This is a simple IM application runs on Android, application makes http request to a server, implemented in php and mysql, to authenticate, to register and to get the other friends’ status … Read more
You can add below 2 lines into your gradle.properties file: android.useAndroidX=true android.enableJetifier=true Note to check, to not repeat any line that already exists (and ensure existing are true). Details: If you want to use androidx-namespaced libraries in a new project, you need to set the compile SDK to Android 9.0 (API level 28) or higher … Read more
Here’s what I use on my site: var objDiv = document.getElementById(“your_div”); objDiv.scrollTop = objDiv.scrollHeight;