My Andro (ii) "Selection of the book applet"

Today began to do a small feature of the Android applet-book Purchase Program

Brief introduction:

This program is mainly to practice mastering the use of the CheckBox control, its function is to display the selected books to the user to see.

Details:

First, let's take a look at what the general documents are:

The role of document Main.xml is to design program interface;

And Checkboxdemoactivity.java is mainly used to implement the function of code writing.

Second, the production process interface:

After the code of the interface is written, it is now possible to navigate through the interface we have made:

Third, just complete the production of the interface is not enough, if not realize its function, the program is not only a "paper tiger"? Now we should write the Java code that implements the functionality:

Four, the program has been programmed to complete the following to start the simulator to see the effect:

In the red box is produced by the completion of the Android program, click into and use the program, you can see the results:

Hey, choose the book applet is done! I come out and ask the great gods to teach ^_^

My Andro (ii) "Selection of the book applet"