Android API's and Http Connection Functions

What android API's work with the HttpPost function and what android API's work with the HttpURLConnection function? I'm trying to create Java code for an android app that calls a PHP file to connect with a database, and I want to make sure that my code is compatible with whatever Android API the mobile phone is running on.

Solution

Apache HTTP, and therefore HttpPost, is deprecated, HTTPURLConnection is encouraged, but it really doesn't matter.

You could even use Retrofit, Ion, AsyncHttpClient, Volley, OkHttp ... And the Android HTTP library list goes on.

If you are truly concerned about API version, use HttpURLConnection

If you want to use legacy Apache HTTP, then compile it

android {
    compileSdkVersion ...
    buildToolsVersion "..."
    useLibrary 'org.apache.http.legacy' // Add this line