Android Chinese API (21) -- digitalclock

 

Preface

This chapter translates Android. widget. digitalclock into Android 2.2 R1. More friends are welcome to join the Chinese translation operation of Android Api! My mailbox over140@gmail.com.

 

Statement

You are welcome to repost, but please keep the original source of the article :)

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Android Chinese translation group: http://www.cnblogs.com/over140/

 

Body

I. Structure

　　　　Public class digitalclock extends textview

　　

Java. Lang. Object

Android. View. View

Android. widget. textview

Android. widget. digitalclock

 

Ii. Overview

　　　　

Like analogclock (), but it is a number. Display seconds. Fixed: hours, minutes, And seconds are displayed separately. Even fonts cannot be displayed. (Translator's note: The font is displayed in a proportional manner by hour, minute, or second, and cannot be displayed like analogclock)

 

Iii. Protected Methods

Protected void onattachedtowindow ()

It is called when a view (digitalclock) is attached to a form. Draw the surface at this point. Note that this method must be called before ondraw (canvas), but it can be called any time before the first ondraw call-including onmeasure (INT, INT.

 

Protected void ondetachedfromwindow ()

Called when a view (digitalclock) is detached (removed) from a form. There is no image painting on the surface of this point.

 

Iv. Supplement

4.1 [android1.5] digitalclock custom date output format

4.2 Use Code

<Digitalclock
Android: Id = "@ + ID/digitalclock"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"/>