Android 服务没有启动

在下面的代码中，我尝试启动一个服务，如图所示。但在运行时

serviceCtrl.isMyServiceRunning()

返回false，尽管服务已添加到清单文件，但toast不会显示

我开始服务是错误的？！为什么服务不启动

代码：

if (mIsBonded) {
            mSB.append("Pairing Completed" + "\n");
            Intent intSPPService = new Intent(getApplicationContext(), SPPService.class);
            intSPPService.putExtra("key", "starting SPP Service");
            startService(intSPPService);

            ServiceCtrl serviceCtrl = new ServiceCtrl(getApplicationContext(), ActMain.class);
            if (serviceCtrl.isMyServiceRunning()) {
                Toast.makeText(getApplicationContext(), "Starting SPP Service", Toast.LENGTH_SHORT).show();
            }

            //mATRFCConn = new ATRFCConn();
            //mATRFCConn.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
        } else {
            mSB.append("Pairing Failed" + "\n");
        }
...
...
...

public boolean isMyServiceRunning() {
    ActivityManager manager = (ActivityManager) this.mCtx.getSystemService(this.mCtx.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (this.mClass.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
    return false;
}

public class SPPService extends Service {

private final String TAG = this.getClass().getSimpleName();
final static String SPP_SERVICE_ACTION = "SPP_ACTION";

@Override
public void onCreate() {
    Log.w(TAG, "onCreate");

    super.onCreate();
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.w(TAG, "onStartCommand");

    String str = intent.getStringExtra("key");
    Log.v(TAG, "Act->Service : " + str);


    return Service.START_NOT_STICKY;
}

@Override
public IBinder onBind(Intent intent) {
    return null;
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.com.servicebt_01" >

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme" >
    <activity android:name=".ActMain" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

<service
    android:enabled="true"
    android:name=".SPPService"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/service_name"
    >
</service>

服务：

if (mIsBonded) {
            mSB.append("Pairing Completed" + "\n");
            Intent intSPPService = new Intent(getApplicationContext(), SPPService.class);
            intSPPService.putExtra("key", "starting SPP Service");
            startService(intSPPService);

            ServiceCtrl serviceCtrl = new ServiceCtrl(getApplicationContext(), ActMain.class);
            if (serviceCtrl.isMyServiceRunning()) {
                Toast.makeText(getApplicationContext(), "Starting SPP Service", Toast.LENGTH_SHORT).show();
            }

            //mATRFCConn = new ATRFCConn();
            //mATRFCConn.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
        } else {
            mSB.append("Pairing Failed" + "\n");
        }
...
...
...

public boolean isMyServiceRunning() {
    ActivityManager manager = (ActivityManager) this.mCtx.getSystemService(this.mCtx.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (this.mClass.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
    return false;
}

public class SPPService extends Service {

private final String TAG = this.getClass().getSimpleName();
final static String SPP_SERVICE_ACTION = "SPP_ACTION";

@Override
public void onCreate() {
    Log.w(TAG, "onCreate");

    super.onCreate();
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.w(TAG, "onStartCommand");

    String str = intent.getStringExtra("key");
    Log.v(TAG, "Act->Service : " + str);


    return Service.START_NOT_STICKY;
}

@Override
public IBinder onBind(Intent intent) {
    return null;
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.com.servicebt_01" >

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme" >
    <activity android:name=".ActMain" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

<service
    android:enabled="true"
    android:name=".SPPService"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/service_name"
    >
</service>

}

更新

在运行时我收到

 W/ActivityManager: Unable to start service Intent { 
 cmp=com.example.com.myapplication/com.example.com.servicebt_01.SPPService 
 (has extras) } U=0: not found

清单：

if (mIsBonded) {
            mSB.append("Pairing Completed" + "\n");
            Intent intSPPService = new Intent(getApplicationContext(), SPPService.class);
            intSPPService.putExtra("key", "starting SPP Service");
            startService(intSPPService);

            ServiceCtrl serviceCtrl = new ServiceCtrl(getApplicationContext(), ActMain.class);
            if (serviceCtrl.isMyServiceRunning()) {
                Toast.makeText(getApplicationContext(), "Starting SPP Service", Toast.LENGTH_SHORT).show();
            }

            //mATRFCConn = new ATRFCConn();
            //mATRFCConn.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
        } else {
            mSB.append("Pairing Failed" + "\n");
        }
...
...
...

public boolean isMyServiceRunning() {
    ActivityManager manager = (ActivityManager) this.mCtx.getSystemService(this.mCtx.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (this.mClass.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
    return false;
}

public class SPPService extends Service {

private final String TAG = this.getClass().getSimpleName();
final static String SPP_SERVICE_ACTION = "SPP_ACTION";

@Override
public void onCreate() {
    Log.w(TAG, "onCreate");

    super.onCreate();
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    Log.w(TAG, "onStartCommand");

    String str = intent.getStringExtra("key");
    Log.v(TAG, "Act->Service : " + str);


    return Service.START_NOT_STICKY;
}

@Override
public IBinder onBind(Intent intent) {
    return null;
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.com.servicebt_01" >

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme" >
    <activity android:name=".ActMain" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>

<service
    android:enabled="true"
    android:name=".SPPService"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/service_name"
    >
</service>

请检查以下答案：

它表示您在清单中没有正确给出服务的名称。请核实一下

---

请尝试输入服务名称及其所在的整个包名称。

清单中的服务名称是错误的，而不是错误的

<service
android:name="SPPService"
android:icon="@mipmap/ic_launcher"
android:label="@string/service_name"
>
</service>

---

如果没有，则应指定其完整路径。

是否调用了服务的

onCreate

中的日志

onCreate

？@FireSun没有，并且您确定

启动服务（intsppsservice）是否已被调用`@FireSun是，如上面发布的代码所示…请查看更新部分..日志中有一条警告消息我收到您的服务可能正在运行，但Toast对象已过期，因此请使用静态Toast对象并选中尝试使用
SSPService
的完整路径，可能这个类不直接位于您的包中。它直接位于包中