Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.net.Uri; public class Main { public static void makePhoneCall(Context context, String phoneNumber) { if (null != phoneNumber && phoneNumber.length() > 0) { Uri phoneUri = Uri.parse("tel:" + phoneNumber); // Could also use Uri.Builder Intent intent = new Intent(Intent.ACTION_CALL, phoneUri); context.startActivity(intent); } } }