转载请标明出处：http://blog.csdn.net/goldenfish1919/article/details/41577217

androidannotation是一个非常牛逼的框架（https://github.com/excilys/androidannotations/wiki），可以做到：依赖注入（Dependency Injection），简化的线程模型（Simplified  threading model)，事件绑定（Event binding），REST Client。

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.hello"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="18" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name">
        <activity
            android:name="com.example.hello.MainActivity_"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="com.example.hello.SecondActivity_" />
    </application>
</manifest>

@EActivity(R.layout.activity_main)
public class MainActivity extends Activity {
	@ViewById(R.id.myInput)
	EditText myInput;
	@ViewById(R.id.myTextView)
	TextView textView;
	@ViewById(R.id.myButton2)
	Button btn2;
	@StringRes(R.string.go_to_second)
	String btn2Txt;
	@AfterViews
	protected void afterViews(){
		btn2.setText(btn2Txt);
	}
	@Click
	void myButton() {
		String name = myInput.getText().toString();
		textView.setText("Hello " + name);
	}
	@Click
	void myButton2(){
		SecondActivity_.intent(this).start();
	}
}
activity_main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <EditText  
        android:id="@+id/myInput"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content"  />
    <Button  
        android:id="@+id/myButton"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="Click me!" />        
    <TextView  
        android:id="@+id/myTextView"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" />    
    <Button  
        android:id="@+id/myButton2"
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="@string/go_to_second"/>  
</LinearLayout>

<plugin>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>3.1</version>
    <configuration>
        <encoding>UTF-8</encoding>
        <source>1.6</source>
        <target>1.6</target>
        <compilerArgs>
            <arg>-Atrace=true</arg>
            <arg>-AlogLevel=trace</arg>
            <arg>-AlogConsoleAppender=true</arg>
   <arg>-AandroidManifestFile=/path/to/AndroidManifest.xml</arg>
        </compilerArgs>
    </configuration>
</plugin>

public final class MainActivity_ extends MainActivity{
    @Override
    public void onCreate(Bundle savedInstanceState) {
        init_(savedInstanceState);//这里会处理@StringRes，@ColorRes等等
        super.onCreate(savedInstanceState);
        setContentView(layout.activity_main);//这里对应@EActivity(R.layout.activity_main)
    }


    private void init_(Bundle savedInstanceState) {
        Resources resources_ = this.getResources();
        btn2Txt = resources_.getString(string.go_to_second);
    }


    @Override
    public void setContentView(int layoutResID) {
        super.setContentView(layoutResID);
        afterSetContentView_();
    }


    @Override
    public void setContentView(View view, LayoutParams params) {
        super.setContentView(view, params);
        afterSetContentView_();
    }


    @Override
    public void setContentView(View view) {
        super.setContentView(view);
        afterSetContentView_();
    }


    private void afterSetContentView_() {
//@ViewById
        textView = ((TextView) findViewById(id.myTextView));
        myInput = ((EditText) findViewById(id.myInput));
        btn2 = ((Button) findViewById(id.myButton2));
//@Click
        {
            View view = findViewById(id.myButton2);
            if (view!= null) {
                view.setOnClickListener(new OnClickListener() {




                    @Override
                    public void onClick(View view) {
                        MainActivity_.this.myButton2();
                    }


                }
                );
            }
        }
//@Click
        {
            View view = findViewById(id.myButton);
            if (view!= null) {
                view.setOnClickListener(new OnClickListener() {




                    @Override
                    public void onClick(View view) {
                        MainActivity_.this.myButton();
                    }


                }
                );
            }
        }
        afterViews();//这里调用了@AfterViews标注的afterViews()方法
    }
    public static MainActivity_.IntentBuilder_ intent(Context context) {
        return new MainActivity_.IntentBuilder_(context);
    }
    public static class IntentBuilder_ {//这个是给startActivity和startActivityForResult用的
        private Context context_;
        private final Intent intent_;


        public IntentBuilder_(Context context) {
            context_ = context;
            intent_ = new Intent(context, MainActivity_.class);
        }


        public Intent get() {
            return intent_;
        }


        public MainActivity_.IntentBuilder_ flags(int flags) {
            intent_.setFlags(flags);
            return this;
        }


        public void start() {
            context_.startActivity(intent_);
        }


        public void startForResult(int requestCode) {
            if (context_ instanceof Activity) {
                ((Activity) context_).startActivityForResult(intent_, requestCode);
            } else {
                context_.startActivity(intent_);
            }
        }
    }
}

最后看一下完整的pom.xml的例子（https://github.com/excilys/androidannotations/blob/develop/examples/maveneclipse/pom.xml）：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>org.androidannotations</groupId>
	<artifactId>maveneclipse</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>apk</packaging>
	<name>maveneclipse</name>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<android.version>4.1.1.4</android.version>
		<android.platform>16</android.platform>
		<androidannotations.version>3.2</androidannotations.version>
		<java.version>1.6</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>com.google.android</groupId>
			<artifactId>android</artifactId>
			<version>${android.version}</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.androidannotations</groupId>
			<artifactId>androidannotations</artifactId>
			<version>${androidannotations.version}</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.androidannotations</groupId>
			<artifactId>androidannotations-api</artifactId>
			<version>${androidannotations.version}</version>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.1</version>
				<configuration>
					<source>${java.version}</source>
					<target>${java.version}</target>
					<compilerArgs>
						<arg>-AlogLevel=trace</arg>
					</compilerArgs>
				</configuration>
			</plugin>
			<plugin>
				<groupId>com.jayway.maven.plugins.android.generation2</groupId>
				<artifactId>android-maven-plugin</artifactId>
				<version>3.9.0-rc.3</version>
				<configuration>
					<sdk>
						<platform>${android.platform}</platform>
					</sdk>
					<undeployBeforeDeploy>true</undeployBeforeDeploy>
				</configuration>
				<extensions>true</extensions>
			</plugin>
		</plugins>
	</build>

</project>

android-annotations使用入门