How does Android set ringtones (customized ringtones)?

Tools/Raw Materials Android Operating System Steps/Methods Open the Android phone, find the "Settings" button in the "Menu" and click Open. Find the "Sound and Display" option under the "Settings" menu, and click Open. Click "ringtone" in the "Sound and Display" setting menu to select the desired ringtone. Click "Notification Ringtone" in the "Sound and Display" setting menu to select the desired SMS ringtone. Precautions must be the ringtone of the Android operating system before you can set it in the above way. Customize ringtones: The first method is to create a folder named "ringtones", "alarm clocks" and "notifications" in the sd card, put your ringtones for different purposes in different folders, and then open the sound settings again to find these ringtones in the settings. The second method is to open your ringtone directory with es file browser, and then play music with es daily player. Click the ringtone button at the back to set the music as a ringtone or prompt. The alarm clock can be operated in the third way: on the 9 1 mobile assistant. See the figure below: Method 4 for setting custom ringtones: 1. In the mobile phone menu, open the music player that comes with the mobile phone system. 2. Select the music you want to play as an incoming call or alarm bell. 3. Press the menu call-up key on the mobile phone (the shape and position of the menu call-up key of different models of mobile phones are different), and select the "Settings" command in the called-up menu.