Main2Activity.class
private void scheduleJob（）{
JobInfo myJob = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
myJob = new JobInfo.Builder(0, new ComponentName(this, NetworkSchedulerService.class))
.setRequiresCharging(true)
.setMinimumLatency(1000)
.setOverrideDeadline(2000)
.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
.setPersisted(true)
.build();
JobScheduler jobScheduler = (JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
jobScheduler.schedule(myJob);
}
}
@Override
protected void onStop() {
// A service can be "started" and/or "bound". In this case, it's "started" by this Activity
// and "bound" to the JobScheduler (also called "Scheduled" by the JobScheduler). This call
// to stopService() won't prevent scheduled jobs to be processed. However, failing
// to call stopService() would keep it alive indefinitely.
stopService(new Intent(this, NetworkSchedulerService.class));
super.onStop();
}
@Override
protected void onStart() {
super.onStart();
// Start service and provide it a way to communicate with this class.
Intent startServiceIntent = new Intent(this, NetworkSchedulerService.class);
startService(startServiceIntent);
}
公共类NetworkSchedulerService扩展JobService实现 ConnectivityReceiver.ConnectivityReceiverListener {
private static final String TAG = NetworkSchedulerService.class.getSimpleName();
private ConnectivityReceiver mConnectivityReceiver;
@Override
public void onCreate() {
super.onCreate();
Log.i(TAG, "Service created");
mConnectivityReceiver = new ConnectivityReceiver(this);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.i(TAG, "onStartCommand");
return START_NOT_STICKY;
}
@Override
public boolean onStartJob(JobParameters params) {
Log.i(TAG, "onStartJob" + mConnectivityReceiver);
registerReceiver(mConnectivityReceiver, new IntentFilter(SyncStateContract.Constants.CONTENT_DIRECTORY));
return true;
}
@Override
public boolean onStopJob(JobParameters params) {
Log.i(TAG, "onStopJob");
unregisterReceiver(mConnectivityReceiver);
return true;
}
@Override
public void onNetworkConnectionChanged(boolean isConnected) {
String message = isConnected ? "Good! Connected to Internet" : "Sorry! Not connected to internet";
Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT).show();
}
}
在我的coonectivtyReceiver类中，当wifi连接或断开连接时，我的广播接收器不会呼叫。任何帮助都将是可贵的。
公共类ConnectivityReceiver扩展了BroadcastReceiver { 私有ConnectivityReceiverListener mConnectivityReceiverListener;
ConnectivityReceiver(ConnectivityReceiverListener listener) {
mConnectivityReceiverListener = listener;
}
@Override
public void onReceive(Context context, Intent intent) {
Log.i("CKMM=>Connected","ConnectivityOnReceiver");
mConnectivityReceiverListener.onNetworkConnectionChanged(isConnected(context));
}
public static boolean isConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager)
context.getSystemService(Context.CONNECTIVITY_SERVICE);
Log.i("CKMM=>Connected","Connected");
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.getType() == ConnectivityManager.TYPE_WIFI){
Log.d("CKMM=WIFI", "Wifi Connection");
Toast.makeText(context,"Connect WIFI",Toast.LENGTH_SHORT).show();
Log.i("NIKM", "BroadCast receiver IF");
}
return netInfo != null && netInfo.isConnectedOrConnecting();
}
public interface ConnectivityReceiverListener {
void onNetworkConnectionChanged(boolean isConnected);
}
}