Activity bindet sich nicht an lokalen Service

1package wicki.Android.LocalService;
2
3import java.util.Random;
4
5import android.app.Service;
6import android.content.Intent;
7import android.os.Binder;
8import android.os.IBinder;
9import android.util.Log;
10
11public class LocalService extends Service {
12 private final IBinder mBinder = new LocalBinder();
13 private final Random mGenerator = new Random();
14 /**
15 * Class used for the client Binder. This service always
16 * runs in the same process as its clients
17 */
18 public class LocalBinder extends Binder {
19 LocalService getService() {
20 Log.i("LocalService","**** getService");
21 // Clients can call Service's public methods
22 return LocalService.this;
23 }
24 }
25 @Override
26 public IBinder onBind(Intent intent) {
27 Log.i("LocalService","**** onBind");
28 return mBinder;
29 }
30 /** method for clients */
31 public int getRandomNumber() { return mGenerator.nextInt(100); }
32}

1package wicki.Android.LocalService;
2
3import android.app.Activity;
4import android.content.ComponentName;
5import android.content.Context;
6import android.content.Intent;
7import android.content.ServiceConnection;
8import android.os.Bundle;
9import android.os.Handler;
10import android.os.IBinder;
11import android.util.Log;
12import android.view.View;
13import android.view.View.OnClickListener;
14import android.widget.Button;
15import android.widget.TextView;
16
17public class LocalBoundServiceActivity extends Activity {
18 boolean mBound = false;
19 TextView txt;
20
21 //http://groups.google.com/group/android-developers/browse_thread/thread/e0a0db3dac32b9e3#
22 /** Defines callbacks for service binding, passed to bindService() */
23 private TestServiceConnection mConnection = null;
24 /** Called when the activity is first created. */
25 @Override
26 public void onCreate(Bundle savedInstanceState) {
27 super.onCreate(savedInstanceState);
28 setContentView(R.layout.main);
29 mConnection = new TestServiceConnection();
30 Button button = (Button) findViewById(R.id.Button01);
31 txt = (TextView)findViewById(R.id.text);
32 button.setOnClickListener(new OnClickListener() {
33 public void onClick(View v) {
34 onButtonClick(v);
35 }
36 });
37 Intent intent = new Intent(this, LocalService.class);
38 bindService(intent, mConnection, 0);//Context.BIND_AUTO_CREATE);
39 this.startService(intent);
40 Log.i("LocalService","**** onCreate");
41 }
42/*
43 protected void onStart() {
44 super.onStart();
45 Intent intent = new Intent(this, LocalService.class);
46 bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
47 Log.i("LocalService","**** onStart");
48 }
49*/
50 public void onButtonClick(View v) {
51 if (mConnection.mService != null) mBound=true;
52 Log.i("LocalService","**** onButtonClick, mBound="+mBound);
53 if (mBound) {
54 // Call a method from the LocalService.
55 int num = mConnection.mService.getRandomNumber();
56 TextView text = (TextView)findViewById(R.id.text);
57 text.setText("number: " + num);
58 }
59 }
60 protected void onStop() {
61 super.onStop();
62 // Unbind from the service
63// if (mBound) {
64 unbindService(mConnection); mBound = false;
65// }
66 Log.i("LocalService","**** onStop");
67 }
68 private final Handler handler = new Handler();
69
70 public void onStart() {
71 super.onStart();
72 Runnable r = new Runnable() {
73 public void run() {
74 TextView tv = (TextView)findViewById(R.id.text);
75 int p = -1;
76 String zws="Unable to access TestService!";
77 if (mConnection.mService != null) {
78 zws = "TestService on!";
79 p = mConnection.mService.getRandomNumber();
80 }
81 tv.setText(zws+" Randomwert: "+p);
82 }
83 };
84 handler.postDelayed(r, 10000L);
85 Log.i("LocalService","**** onStart(Runnable)");
86 }
87}

1package wicki.Android.LocalService;
2
3import android.content.ComponentName;
4import android.content.ServiceConnection;
5import android.os.IBinder;
6
7public class TestServiceConnection implements ServiceConnection
8{
9 protected LocalService mService = null;
10
11 @Override
12 public void onServiceConnected(ComponentName name, IBinder service) {
13 mService = ((LocalService.LocalBinder)service).getService();
14 }
15
16 @Override
17 public void onServiceDisconnected(ComponentName name) {
18 mService = null;
19 }
20}

1<?xml version="1.0" encoding="utf-8"?>
2<manifest xmlns:android="http://schemas.android.com/apk/res/android"
3 package="wicki.Android.LocalService"
4 android:versionCode="1"
5 android:versionName="1.0" >
6
7 <uses-sdk android:minSdkVersion="8" />
8 <service android:name=".LocalService"
9 android:enabled="true"/>
10
11 <application
12 android:icon="@drawable/ic_launcher"
13 android:label="@string/app_name" >
14 <activity
15 android:name=".LocalBoundServiceActivity"
16 android:label="@string/app_name" >
17 <intent-filter>
18 <action android:name="android.intent.action.MAIN" />
19
20 <category android:name="android.intent.category.LAUNCHER" />
21 </intent-filter>
22 </activity>
23 </application>
24
25</manifest>