How can I make a mail button for Android

I want to make button that when I press on it开发者_Go百科 it wil open the default email client and makes it possible to send a mail to a pre-defined email adres, like a mailto: method.

I cant't figure out how to do it...

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Please refer the link to find all the methods to start an activity to Compose mail.

http://snipt.net/Martin/android-intent-usage/