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Send Post request along with HttpHeaders on Android
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Force Messages to use SMS for specific contact rather than iMessage?
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Retrieving phone conversations
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How to send emails from my Android application?
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How to Implement chat application for Android?
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SMS/text message notifications on answers to your question
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How to install LINE (messaging app) on Ubuntu
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Using text to speech APIs in android application
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How can I block incoming SMS from certain senders?
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How can you send the same text to multiple people without it being a group message?
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Android HTTPPost Returns Error "Method not allowed."
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HTTP Authentication in iPhone
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How do I send SMS from PC through Android Phone or to Android Phone?