Android:Standard Activity Actions

• ACTION_MAIN

• Activity Action: Start as a main entry point, does not expect to receive data.

• Input: nothing

• Output: nothing

• Constant Value: "android.intent.action.MAIN"

• ACTION_VIEW

• Activity Action: Display the data to the user. This is the most common action performed on data -- it is the generic action you can use on a piece of data to get the most reasonable thing to occur. For example, when used on a contacts entry it will view the entry; when used on a mailto: URI it will bring up a compose window filled with the information supplied by the URI; when used with a tel: URI it will invoke the dialer.

• Input: getData() is URI from which to retrieve data.

• Output: nothing.

• Constant Value: "android.intent.action.VIEW"

• ACTION_EDIT

• Activity Action: Provide explicit editable access to the given data.

• Input: getData() is URI of data to be edited.

• Output: nothing.

• Constant Value: "android.intent.action.EDIT"

• ACTION_PICK

• Activity Action: Pick an item from the data, returning what was selected.

• Input: getData() is URI containing a directory of data (vnd.android.cursor.dir/*) from which to pick an item.

• Output: The URI of the item that was picked.

• Constant Value: "android.intent.action.PICK"

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