实现AddProximityAlert

时间:2012-10-22 18:17:14

标签: java android broadcastreceiver alert android-pendingintent

Android / Java新手,我正在使用AddProximityAlert()。我在下面有以下代码块,并且不断出现错误。有人可以解释一下Eclipse在说什么,以及如何解决我为getBroadcast和registerReceiver所获得的错误?

在SecondaryActivity.java文件中,我有2个广播接收器,这可能就是这个原因吗?

SecondaryActivity.java:

public class SecondaryActivity extends BroadcastReceiver {   

public void onReceive(Context context, Intent intent) {

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.
.

lm = (LocationManager)context.getSystemService(Context.LOCATION_SERVICE);
Location location = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);

double latitude = location.getLatitude();
double longitude = location.getLongitude();
float radius = 100f;
long expiration = -1;
final String PROX_ALERT_INTENT = "com.example.test";

Intent intent = new Intent(PROX_ALERT_INTENT);
PendingIntent proximityIntent = PendingIntent.**getBroadcast**(this, 0, intent, 0);

lm.addProximityAlert(latitude, longitude, radius, expiration, proximityIntent);

IntentFilter filter = new IntentFilter(PROX_ALERT_INTENT);

**registerReceiver**(new ProximityIntentReceiver(), filter);

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.
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private class ProximityIntentReceiver extends BroadcastReceiver {

...

getBroadcast :PendingIntent类型中的方法getBroadcast(Context,int,Intent,int)不适用于参数(SecondaryActivity,int,Intent,int)

registerReceiver :方法registerReceiver(SecondaryActivity.ProximityIntentReceiver,IntentFilter)未定义类型SecondaryActivity

1 个答案:

答案 0 :(得分:1)

因为您正在扩展BroadcastReceiver,所以需要使用:

PendingIntent.getBroadcast(context, 0, intent, 0)

context.registerReceiver()

引用Context类。

同样命名BroadcastReceiver SecondaryActivity有点令人困惑,因为SecondaryActivity不是活动。