這種方式不用在配置文件加?xùn)|西

變量聲明

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LocalBroadcastManager?broadcastManager;??

IntentFilter?intentFilter;??

BroadcastReceiver?mReceiver;??

廣播注冊,可以寫在Activity（onCreate）,也可以寫在Fragment（onActivityCreated）里。

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broadcastManager?=?LocalBroadcastManager.getInstance(getActivity());??

intentFilter?=?new?IntentFilter();??

intentFilter.addAction("android.intent.action.CART_BROADCAST");??

mReceiver?=?new?BroadcastReceiver()?{??

????????????@Override??

????????????public?void?onReceive(Context?context,?Intent?intent){??

????????????????//收到廣播后所作的操作??

????????????}??

?};??

?broadcastManager.registerReceiver(mReceiver,?intentFilter);??

發(fā)送廣播

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Intent?intent?=?new?Intent("android.intent.action.CART_BROADCAST");??

LocalBroadcastManager.getInstance(getActivity()).sendBroadcast(intent);??

?

當(dāng)然，和正常廣播一樣，也要在對應(yīng)的生命周期中反注冊掉: ?

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@Override????

protected?void?onDestroy()?{????

???super.onDestroy();????

???broadcastManager.unregisterReceiver(mReceiver);??

}?

轉(zhuǎn)載于:https://www.cnblogs.com/Free-Thinker/p/6135376.html

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