Android Eclipse view Android Framework source code

How do I sometimes use eclipse to hold down the CTRL key to see the source code?

The following steps let you easily see the source code:

Project->properties->java Build Path->libraries

Click Source below Android.jar:

Here can add zip and folder, zip can go to git download, I use the SDK Manager to download the source code, as follows:

From here to download the source code is saved under the SDK under source, select a platform association can be

Here is the button source code:

@RemoteViewpublic class Button extends TextView {public    Button (context context) {This        (context, NULL);    } Public    Button (context context, AttributeSet attrs) {This        (context, Attrs, Com.android.internal.r.attr.buttonstyle);    }    Public Button (context context, AttributeSet attrs, int defstyle) {        Super (context, attrs, Defstyle);    }    @Override public    void Oninitializeaccessibilityevent (Accessibilityevent event) {        Super.oninitializeaccessibilityevent (event);        Event.setclassname (Button.class.getName ());    }    @Override public    void Oninitializeaccessibilitynodeinfo (Accessibilitynodeinfo info) {        Super.oninitializeaccessibilitynodeinfo (info);        Info.setclassname (Button.class.getName ());}    }

How is it easy?

If you have any questions, please leave a message, reproduced the source.