Android SDK 2.3 and the latest eclipse Development Environment (5)

 

VII,
First
Android
Application (
Hello
,
Android world!
)

1. Create a project: Open eclipse and choose File> New> Project> Android project. The specific input is as follows:

1. Click "Next" and the prompt is as follows:

1. Here is only for demonstration. No test project is created. Click "finish.

1. Edit the helloandroidworld. Java file with the following content:

Package
Org. deaboway. test;

Import
Android. App. activity;

Import
Android. OS. Bundle;

Import
Android. widget. textview;

Public
Class
HelloandroidworldExtends
Activity {

/** Called when the activity is first created .*/

@ Override

Public
Void
Oncreate (bundle savedinstancestate ){

Super
. Oncreate (savedinstancestate );

Textview =New
Textview (This
);

Textview. settext ("Hello Android world! ");

Setcontentview (textview );

}

}

1. Run the android project: Click the run button on the toolbar, select Run> run from the menu, or right-click the project folder. The "Run as" dialog box is displayed, and select "Android Application ", click "OK.

1. The running effect is as follows. The AVD loading speed is slow and you need to wait patiently.

1. At the same time, the eclipse console also prints some information about the runtime, as shown below.