Where is the SMS conversation list?

Enter the first interface that the SMS application sees. SMS conversation list is the most important part of SMS UI. It is the first interface we can see when we enter the SMS application, and it is also the most familiar interface for Android phones. There are two kinds of short messages: one is text or digital information sent or received directly by users through mobile phones or other telecommunication terminals, and the number of characters that users can receive and send short messages at a time is 160 English or digital characters or 70 Chinese characters; One is MMS. Its biggest feature is that it supports multimedia functions and can transmit comprehensive content and information, including text, images, sounds, data and other multimedia formats.