如何从fragment跳到activity再从activity返回(finish()方法返回)刷新fragemnt页面

时间:2023-03-09 04:48:21
如何从fragment跳到activity再从activity返回(finish()方法返回)刷新fragemnt页面

代码改变世界

如何从fragment跳到activity再从activity返回(finish()方法返回)刷新fragemnt页面

广播方法实现Fragment页面刷新

fragment中重写onActivityCreated方法

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
LocalBroadcastManager broadcastManager = LocalBroadcastManager.getInstance(getActivity());
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("android.intent.action.CART_BROADCAST");
BroadcastReceiver mItemViewListClickReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent){
String msg = intent.getStringExtra("data");
if("refresh".equals(msg)){
refresh();
}
}
};
broadcastManager.registerReceiver(mItemViewListClickReceiver, intentFilter);
}

Activity中

Intent intent = new Intent("android.intent.action.CART_BROADCAST");
intent.putExtra("data","refresh");
LocalBroadcastManager.getInstance(AddFriendToContact.this).sendBroadcast(intent);
sendBroadcast(intent);

  实现页面刷新,其中:

  refresh();

  这个方法是实现刷新功能,也就是你加载数据的方法。不要忘了控件重新初始化。