android 23 啟動帶2個Categories值的預定義acticity和案頭activity

標籤：

mainActivity.java

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);    }}

系統描述檔案：

<?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>

 

android 23 啟動帶2個Categories值的預定義acticity和案頭activity