android sms function send function
16lz
2021-12-04
Android之SMS短信和Contacts联系人实例
SmS meSSAging
SMS messaging is one of the main killer applications on a mobile phone today — for some users as necessary as the phone itself. Any mobile phone you buy today should have at least SMS messaging capabilities, and nearly all users of any age know how to send and receive
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264 ❘ chApter 8 meSSaGinG and networKinG
such messages. Android comes with a built-in SMS application that enables you to send and receive SMS messages. However, in some cases you might want to integrate SMS capabilities into your own Android application. For example, you might want to write an application that automatically sends a SMS message at regular time intervals. For example, this would be useful if you wanted to track the location of your kids — simply give them an Android device that sends out an SMS message con- taining its geographical location every 30 minutes. Now you know if they really went to the library after school! (Of course, that would also mean you would have to pay the fees incurred in sending all those SMS messages…) This section describes how you can programmatically send and receive SMS messages in your Android applications. The good news for Android developers is that you don’t need a real device to test SMS messaging: The free Android Emulator provides that capability.
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