[Android] get pictures from gallery

The effect is to click the button, open the System library application, you can choose a picture inside the show out

Set an implicit intent

Get Intent object, come out with new

Call the setaction () method of the Intent Object , set the action, parameter:intent.action_pick

Call the SetType () method of the Intent Object , set the type, parameter:"image/*" can also get video

Call the Startactivityforresult () method to turn on the return value of the

View the system's gallery Source code can know, returned a Intent object, inside the implicit pass data, additional data

overriding method Onactivityresult () method

Gets the Uri pathto the picture, the getData () method of the Intent Object

Image thumbnail Bitmap object, calling the Intent object's Getparcelableextra ("data");

Call the Setimageuri () method of the ImageView object to display the picture directly

    //Select Picture     Public voidselectimg (View v) {Intent Intent=NewIntent ();        Intent.setaction (Intent.action_pick); Intent.settype ("Image/*"); Startactivityforresult (Intent,0); }    //Response Callback@Overrideprotected voidOnactivityresult (intRequestcode,intResultCode, Intent data) {        if(data!=NULL) {URI Uri=Data.getdata ();        Iv_img.setimageuri (URI); }            }

[Android] get pictures from gallery