我使用的是Android 4.4版本。 如何在启动后使用广播接收器自动启动服务? 提前致谢。 更新: 清单文件中的代码:
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-sdk
android:minSdkVersion="10"
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.prashanthi.trial.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>
<service android:name=".WordService"></service>
<receiver android:name=".MyScheduleReceiver" android:enabled="true"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
</application>
接收器类中的代码:
public class MyScheduleReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "Intent Detected.", Toast.LENGTH_LONG).show();
System.out.println("This is MyShedularReceiver");
Intent service = new Intent(context, WordService.class);
//service.setAction(RECEIVE_BOOT_COMPLETED);
context.startService(service);
}
}
服务类代码:
public class WordService extends Service{
public void onCreate() {
super.onCreate();
Intent intent = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent
.getBroadcast(this, 0, intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()
+ (5 * 1000), pendingIntent);
Toast.makeText(this, "Alarm set in 5 seconds",
Toast.LENGTH_LONG).show();
}
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
}
在主要活动中,我有代码来显示通知。但问题是,接收器类本身在模拟器中运行应用程序后没有触发....你能告诉我哪里出错了吗?
答案 0 :(得分:16)
逐一执行此步骤。
创建此Receiver类:
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class BootUpReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
/****** For Start Activity *****/
Intent i = new Intent(context, MyActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(i);
/***** For start Service ****/
Intent myIntent = new Intent(context, ServiceClassName.class);
context.startService(myIntent);
}
}
在AndroidManifest.xml
:
<receiver
android:enabled="true"
android:name=".BootUpReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
<service
android:name=".ServiceClassName"
android:enabled="true"
android:exported="true" >
</service>