<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical">

    <Button

        android:id="@+id/btn1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="按Action值1启动目标Activity" />

    <Button

        android:id="@+id/btn2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="按Action值2启动目标Activity" />

</LinearLayout>

package com.sxt.day04_07_twoaction;

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

public class MainActivity extends Activity implements OnClickListener{

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        setListener();

    }

    private void setListener() {

        findViewById(R.id.btn1).setOnClickListener(this);

        findViewById(R.id.btn2).setOnClickListener(this);

    }

    @Override

    public void onClick(View v) {

        Intent intent=new Intent();

        switch (v.getId()) {

        case R.id.btn1:

            intent.setAction("com.sxt.day04_07_twoaction.SecondActivity");

            break;

        case R.id.btn2:

            intent.setAction("com.sxt.day04_07_twoaction.SecondActivity2");

            break;

        }

        startActivity(intent);

    }

}

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".SecondActivity" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/hello_world" />

</RelativeLayout>

package com.sxt.day04_07_twoaction;

import android.os.Bundle;

import android.app.Activity;

import android.util.Log;

import android.view.Menu;

public class SecondActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_second);

        Log.i("main","SecondActivity");

    }

}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.sxt.day04_07_twoaction"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="18" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.sxt.day04_07_twoaction.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.sxt.day04_07_twoaction.SecondActivity"

            android:label="@string/title_activity_second" >

            <intent-filter>    给SecondActivity设置intent-filter

                <action android:name="com.sxt.day04_07_twoaction.SecondActivity"/>com.sxt.day04_07_twoaction.SecondActivity可以随便写

                <action android:name="com.sxt.day04_07_twoaction.SecondActivity2"/>

                <category android:name="android.intent.category.DEFAULT"/>

            </intent-filter>

        </activity>

    </application>

</manifest>