android 23 启动带2个Categories值的预定义acticity和桌面activity

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();

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

        switch (v.getId()) {

        case R.id.btn1:

            intent.addCategory("com.sxt.day04_07_twoaction.category");

            break;

        case R.id.btn2:

            intent.addCategory("android.intent.category.DEFAULT");

            break;

        }

        startActivity(intent);

    }

}

<?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>

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

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

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

            </intent-filter>

        </activity>

    </application>

</manifest>