├── AndroidManifest.xml
├── README.md
├── jni
    ├── Android.mk
    ├── Application.mk
    ├── dameon_jni.c
    └── pplog.h
├── libs
    ├── android-support-v4.jar
    └── armeabi
    │   └── libdameon_jni.so
├── res
    ├── drawable-hdpi
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   └── ic_launcher.png
    ├── drawable-xhdpi
    │   └── ic_launcher.png
    ├── layout
    │   └── activity_main.xml
    ├── menu
    │   └── main.xml
    ├── values-sw600dp
    │   └── dimens.xml
    ├── values-sw720dp-land
    │   └── dimens.xml
    ├── values-v11
    │   └── styles.xml
    ├── values-v14
    │   └── styles.xml
    └── values
    │   ├── dimens.xml
    │   ├── strings.xml
    │   └── styles.xml
└── src
    └── com
        └── pp
            └── daemon
                ├── DaemonService.java
                └── MainActivity.java


/AndroidManifest.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.pp.daemon"
 4 |     android:versionCode="1"
 5 |     android:versionName="1.0" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="17" />
10 | 
11 |     <application
12 |         android:allowBackup="true"
13 |         android:icon="@drawable/ic_launcher"
14 |         android:label="@string/app_name"
15 |         android:theme="@style/AppTheme"
16 |         android:persistent="true" >
17 |         <activity
18 |             android:name="com.pp.daemon.MainActivity"
19 |             android:label="@string/app_name" >
20 |             <intent-filter>
21 |                 <action android:name="android.intent.action.MAIN" />
22 | 
23 |                 <category android:name="android.intent.category.LAUNCHER" />
24 |             </intent-filter>
25 |         </activity>
26 |         <service android:name=".DaemonService"
27 |             	
28 |             	android:persistent="true">
29 | 
30 |         </service>
31 |     </application>
32 | 
33 | </manifest>
34 | 


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/README.md:
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1 | # ServiceDaemon
2 | just a example shows how to use fork method that make our service always running.
3 | 


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/jni/Android.mk:
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 1 | LOCAL_PATH := $(call my-dir)
 2 | include $(CLEAR_VARS)
 3 | 
 4 | LOCAL_MODULE := dameon_jni
 5 | LOCAL_SRC_FILES :=dameon_jni.c
 6 | 
 7 | LOCAL_LDLIBS +=-llog
 8 | LOCAL_CFLAGS +=-I.
 9 | 
10 | include $(BUILD_SHARED_LIBRARY)


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/jni/Application.mk:
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1 | APP_PLATFORM:=android-8


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/jni/dameon_jni.c:
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 1 | #include <jni.h>
 2 | #include <unistd.h>
 3 | #include "pplog.h"
 4 | 
 5 | void Java_com_pp_daemon_DaemonService_startNativeDaemon(
 6 | 			JNIEnv* env,jobject thiz){
 7 | 	PPLOG("start ");
 8 | 	
 9 | 	if(fork() == 0){//child
10 | 		PPLOG("child pid = %d",getpid());
11 | 		while(1){
12 | 			PPLOG("child process %d" ,getpid());
13 | 			sleep(1);
14 | 		}
15 | 		//exist(0); 
16 | 	}else{//father
17 | 		PPLOG("father pid = %d",getpid());
18 | 		//exist(0);
19 | 	}
20 | }
21 | 


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/jni/pplog.h:
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1 | #include <android/log.h>
2 | 
3 | static const char log_tag[] = "~~~~~~~~~~~~~~~";
4 | 
5 | #define PPLOG(...) \
6 |     __android_log_print(ANDROID_LOG_DEBUG, log_tag, __VA_ARGS__);
7 | 


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/libs/android-support-v4.jar:
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https://raw.githubusercontent.com/shcalm/ServiceDaemon/6909bd605d007afbff0cebbe0a945d0a7b1822b8/libs/android-support-v4.jar


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/libs/armeabi/libdameon_jni.so:
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https://raw.githubusercontent.com/shcalm/ServiceDaemon/6909bd605d007afbff0cebbe0a945d0a7b1822b8/libs/armeabi/libdameon_jni.so


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/res/drawable-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/shcalm/ServiceDaemon/6909bd605d007afbff0cebbe0a945d0a7b1822b8/res/drawable-hdpi/ic_launcher.png


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/res/drawable-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/shcalm/ServiceDaemon/6909bd605d007afbff0cebbe0a945d0a7b1822b8/res/drawable-mdpi/ic_launcher.png


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/res/drawable-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/shcalm/ServiceDaemon/6909bd605d007afbff0cebbe0a945d0a7b1822b8/res/drawable-xhdpi/ic_launcher.png


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/res/layout/activity_main.xml:
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 1 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:paddingBottom="@dimen/activity_vertical_margin"
 6 |     android:paddingLeft="@dimen/activity_horizontal_margin"
 7 |     android:paddingRight="@dimen/activity_horizontal_margin"
 8 |     android:paddingTop="@dimen/activity_vertical_margin"
 9 |     tools:context=".MainActivity" >
10 | 
11 |     <TextView
12 |         android:layout_width="wrap_content"
13 |         android:layout_height="wrap_content"
14 |         android:text="@string/hello_world" />
15 | 	<Button android:layout_width="wrap_content"
16 | 	        android:layout_height="wrap_content"
17 | 	        android:text="start service"
18 | 	        android:layout_centerInParent="true"
19 | 	        android:id="@+id/btn"
20 | 	        ></Button>
21 | </RelativeLayout>
22 | 


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/res/menu/main.xml:
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 1 | <menu xmlns:android="http://schemas.android.com/apk/res/android" >
 2 | 
 3 |     <item
 4 |         android:id="@+id/action_settings"
 5 |         android:orderInCategory="100"
 6 |         android:showAsAction="never"
 7 |         android:title="@string/action_settings"/>
 8 | 
 9 | </menu>
10 | 


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/res/values-sw600dp/dimens.xml:
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1 | <resources>
2 | 
3 |     <!--
4 |          Customize dimensions originally defined in res/values/dimens.xml (such as
5 |          screen margins) for sw600dp devices (e.g. 7" tablets) here.
6 |     -->
7 | 
8 | </resources>
9 | 


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/res/values-sw720dp-land/dimens.xml:
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 1 | <resources>
 2 | 
 3 |     <!--
 4 |          Customize dimensions originally defined in res/values/dimens.xml (such as
 5 |          screen margins) for sw720dp devices (e.g. 10" tablets) in landscape here.
 6 |     -->
 7 |     <dimen name="activity_horizontal_margin">128dp</dimen>
 8 | 
 9 | </resources>
10 | 


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/res/values-v11/styles.xml:
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 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 11+. This theme completely replaces
 5 |         AppBaseTheme from res/values/styles.xml on API 11+ devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
 8 |         <!-- API 11 theme customizations can go here. -->
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/res/values-v14/styles.xml:
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 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 14+. This theme completely replaces
 5 |         AppBaseTheme from BOTH res/values/styles.xml and
 6 |         res/values-v11/styles.xml on API 14+ devices.
 7 |     -->
 8 |     <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
 9 |         <!-- API 14 theme customizations can go here. -->
10 |     </style>
11 | 
12 | </resources>
13 | 


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/res/values/dimens.xml:
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1 | <resources>
2 | 
3 |     <!-- Default screen margins, per the Android Design guidelines. -->
4 |     <dimen name="activity_horizontal_margin">16dp</dimen>
5 |     <dimen name="activity_vertical_margin">16dp</dimen>
6 | 
7 | </resources>
8 | 


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/res/values/strings.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 | 
4 |     <string name="app_name">ServiceDaemon</string>
5 |     <string name="action_settings">Settings</string>
6 |     <string name="hello_world">Hello world!</string>
7 | 
8 | </resources>
9 | 


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/res/values/styles.xml:
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 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme, dependent on API level. This theme is replaced
 5 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Light">
 8 |         <!--
 9 |             Theme customizations available in newer API levels can go in
10 |             res/values-vXX/styles.xml, while customizations related to
11 |             backward-compatibility can go here.
12 |         -->
13 |     </style>
14 | 
15 |     <!-- Application theme. -->
16 |     <style name="AppTheme" parent="AppBaseTheme">
17 |         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
18 |     </style>
19 | 
20 | </resources>
21 | 


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/src/com/pp/daemon/DaemonService.java:
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 1 | package com.pp.daemon;
 2 | 
 3 | import android.app.Service;
 4 | import android.content.Intent;
 5 | import android.os.IBinder;
 6 | import android.util.Log;
 7 | import android.os.Process;
 8 | 
 9 | public class DaemonService extends Service {
10 | 
11 | 	@Override
12 | 	public IBinder onBind(Intent intent) {
13 | 
14 | 		return null;
15 | 	}
16 | 
17 | 	@Override
18 | 	public void onCreate() {
19 | 		Log.d("===","oncreate");
20 | 		startNativeDaemon();
21 | 		super.onCreate();
22 | 	}
23 | 
24 | 	@Override
25 | 	public int onStartCommand(Intent intent, int flags, int startId) {
26 | 		new Thread(new Runnable(){
27 | 
28 | 			@Override
29 | 			public void run() {
30 | 				int i = 0;
31 | 				while(true){
32 | 					Log.d("=======","value = " + i++ + Process.myPid());
33 | 					try {
34 | 						Thread.sleep(1000);
35 | 					} catch (InterruptedException e) {
36 | 						// TODO Auto-generated catch block
37 | 						e.printStackTrace();
38 | 					}
39 | 				}
40 | 			}
41 | 			
42 | 		}).start();
43 | 		return Service.START_STICKY;
44 | 	}
45 | 
46 | 	@Override
47 | 	public void onDestroy() {
48 | 		
49 | 		super.onDestroy();
50 | 	}
51 | 	static {
52 | 		System.loadLibrary("dameon_jni");
53 | 	}
54 | 	public static native void startNativeDaemon();
55 | 	
56 | }
57 | 


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/src/com/pp/daemon/MainActivity.java:
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 1 | package com.pp.daemon;
 2 | 
 3 | import android.os.Bundle;
 4 | import android.app.Activity;
 5 | import android.content.Intent;
 6 | import android.view.Menu;
 7 | import android.view.View;
 8 | import android.view.View.OnClickListener;
 9 | import android.widget.Button;
10 | 
11 | public class MainActivity extends Activity {
12 | 
13 | 	
14 |     @Override
15 |     protected void onCreate(Bundle savedInstanceState) {
16 |         super.onCreate(savedInstanceState);
17 |         setContentView(R.layout.activity_main);
18 |         Button btn = (Button) this.findViewById(R.id.btn);
19 |         btn.setOnClickListener(new OnClickListener(){
20 | 
21 | 			@Override
22 | 			public void onClick(View v) {
23 | 				Intent i = new Intent();
24 | 				i.setClassName(MainActivity.this, "com.pp.daemon.DaemonService");
25 | 				startService(i);
26 | 			}
27 |         	
28 |         });
29 |     }
30 | 
31 | 
32 |     @Override
33 |     public boolean onCreateOptionsMenu(Menu menu) {
34 |         // Inflate the menu; this adds items to the action bar if it is present.
35 |         getMenuInflater().inflate(R.menu.main, menu);
36 |         return true;
37 |     }
38 |     
39 | }
40 | 


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