我知道我必须使用Content Provider
来获取所有更改,但我也意识到API14
有一个现成的日历Content Provider
,我可以用来收听而不是"构建"我自己的自定义日历。
有没有任何地方我可以看到这样的例子?
有人可以发布这个听众的核心吗?
谢谢
首先,您需要将这种类型的接收器添加到清单中:
<receiver android:name="your.package.name.CatchChangesReceiver"
android:priority="1000" >
<intent-filter>
<action android:name="android.intent.action.PROVIDER_CHANGED" />
<data android:scheme="content" />
<data android:host="com.android.calendar" />
</intent-filter>
</receiver>
然后创建一个扩展广播接收器的简单类:
public class CatchChangesReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// add processing here with some query to content provider
// in my project I use this selection for getting events:
final String SELECTION = CalendarContract.Events.CALENDAR_ID + "="
+ calendarId + " AND " + "("
+ CalendarContract.Events.DIRTY + "=" + 1 + " OR "
+ CalendarContract.Events.DELETED + "=" + 1 + ")" + " AND "
+ CalendarContract.Events.DTEND + " > "
+ Calendar.getInstance().getTimeInMillis();
}
}