1. Before the Android emulator triggers the SMS receiving event, the premise is to start the Android emulator. You can trigger simulation events with the help of Java eclipse. First open Java eclipse, and then click First as shown in the figure below.

2. Then, you need to perform the operation as shown in the figure below. At the top of the Java eclipse interface, first select the simulator control dialog box, and then further select the phone action for SMS operation;

3. Then in the simulator column on the left, select the model of the simulator that has been started, then enter the content of the short message to be sent in the message input box, such as "777777", and then click the send button;

4. Finally, check the started Android simulator, and a short message appears in the upper left corner of the Android simulator, indicating that the simulated short message event is valid;

5. Open the short message in the Android emulator, and you will be able to see the content of this simulated short message.