我的适配器列表在广播接收器上刷新。
如果适配器列表大小大于1，一切正常 意味着如果我的recyclerview已经有一行shwoing然后列出刷新就好了。 但是如果列表大小从0变为1，那么我的适配器会通知数据集 改变停止工作。在recyclerview上没有数据显示。我不知道为什么它不起作用。
Recyclerview类：
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
v = inflater.inflate(R.layout.job_recyclerview, container, false);
getActivity());
initialise(v);
init();
showNoTaskMessage();
new loadListTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
mMyBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// Here you can refresh your listview or other UI
SlidingTab.slidingTab.getTabAt(0).setText("New (" + SingleTon.getInstance().getNewjob() + ")");
SlidingTab.slidingTab.getTabAt(1).setText("In Progress (" + SingleTon.getInstance().getInprogressjob() + ")");;
SlidingTab.slidingTab.getTabAt(2).setText("Completed (" + SingleTon.getInstance().getCompletedjob() + ")");
}
};
try {
IntentFilter filter = new IntentFilter("newJob");
LocalBroadcastManager.getInstance(context).registerReceiver(mMyBroadcastReceiver,
filter);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
return v;
}
适配器类：
public JobAdapter(ArrayList<Info> myDataset, Context context) {
this.mDataset = myDataset;
this.mAct = context;
}
public void addApplications(ArrayList<Info> candidates) {
if (this.filterList == null) {
filterList = new ArrayList<>();
}
this.mDataset.clear();
this.mDataset.addAll(candidates);
this.filterList.addAll(mDataset);
this.notifyItemRangeInserted(0, candidates.size() - 1);
}
public void clearApplications() {
int size = this.mDataset.size();
if (size > 0) {
for (int i = 0; i < size; i++) {
mDataset.remove(0);
filterList.remove(0);
}
this.notifyItemRangeRemoved(0, size);
}
}
@Override
public int getItemViewType(int position) {
return VIEW_NORMAL;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.single_job_card, parent, false);
ViewHolder fh = new ViewHolder(v);
return fh;
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
// holder.jobPhone.setText(mDataset.get(position).mobileNo);
holder.jobNumber.setText(mDataset.get(position).jobNumber);
holder.jobTime.setText(mDataset.get(position).time);
holder.jobAddress.setText(mDataset.get(position).address);
// holder.jobInstructionText.setText(mDataset.get(position).spclInstruction);
if (mDataset.get(position).jobStatus != null && mDataset.get(position).jobStatus.equalsIgnoreCase("Completed")) {
holder.endsat.setText("Submitted at");
holder.jobTime.setText(mDataset.get(position).completedOnString);
holder.jobTimeLeft.setVisibility(View.INVISIBLE);
holder.timerImage.setVisibility(View.INVISIBLE);
} else {
if (mDataset.get(position).status.equalsIgnoreCase("Active")) {
holder.jobTimeLeft.setText(mDataset.get(position).appointmentTime);
} else {
holder.jobTimeLeft.setText("-" + mDataset.get(position).appointmentTime);
}
}
holder.jobLayout1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SingleTon.getInstance().setWorkDescHolder(mDataset.get(position).descHolder);
FragmentManager fragmentManager = ((FragmentActivity) mAct).getSupportFragmentManager();
FragmentTransaction ft = ((FragmentActivity) mAct).getSupportFragmentManager().beginTransaction();
ft.setCustomAnimations(R.anim.glide_fragment_horizontal_in, R.anim.glide_fragment_horizontal_out);
ft.replace(R.id.content_frame1, new DetailsFragment(), "persondetails");
ft.addToBackStack("persondetails");
// Start the animated transition.
ft.commit();
}
});
}
@Override
public int getItemCount() {
return mDataset.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
private TextView jobNumber, jobTimeLeft, jobStatus, jobAddress, jobEmail, jobPhone, timeTimer, jobInstructionText, jobTime, endsat;
private ImageView timerImage;
private FrameLayout frameLayout;
private CardView cardView;
private LayoutRipple jobLayout1;
public ViewHolder(View v) {
super(v);
this.jobNumber = (TextView) v.findViewById(R.id.job_number);
this.jobTime = (TextView) v.findViewById(R.id.job_time);
this.jobTimeLeft = (TextView) v.findViewById(R.id.job_timertext);
this.timerImage = (ImageView) v.findViewById(R.id.timerimage);
this.cardView = (CardView) v.findViewById(R.id.card_view);
// this.jobStatus = (TextView) v.findViewById(R.id.job_status);
this.jobAddress = (TextView) v.findViewById(R.id.job_addresstext);
// this.jobInstructionText = (TextView) v.findViewById(R.id.instruction_text);
// this.jobLayout = (LayoutRipple)v.findViewById(R.id.job_cardLayout);
this.jobLayout1 = (LayoutRipple) v.findViewById(R.id.cardLayout1);
this.endsat = (AppCompatTextView) v.findViewById(R.id.endsat);
this.jobNumber.setTypeface(Utils.RegularTypeface(mAct));
this.jobAddress.setTypeface(Utils.RegularTypeface(mAct));
this.jobTimeLeft.setTypeface(Utils.RegularTypeface(mAct));
this.jobTime.setTypeface(Utils.RegularTypeface(mAct));
}
}
}
请帮我查找错误或其他方法。谢谢
答案 0 :(得分：1)
在onReceive()
BroadcastReceiver内调用数据加载任务
mMyBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// Here you can refresh your listview or other UI
new loadListTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
SlidingTab.slidingTab.getTabAt(0).setText("New (" + SingleTon.getInstance().getNewjob() + ")");
SlidingTab.slidingTab.getTabAt(1).setText("In Progress (" + SingleTon.getInstance().getInprogressjob() + ")");;
SlidingTab.slidingTab.getTabAt(2).setText("Completed (" + SingleTon.getInstance().getCompletedjob() + ")");
}
};
并在适配器类中进行以下更改。
public void addApplications(ArrayList<Info> candidates) {
if (this.filterList == null) {
filterList = new ArrayList<>();
}
this.mDataset.clear();
this.mDataset.addAll(candidates);
this.filterList.addAll(mDataset);
this.notifyItemRangeInserted(0, candidates.size());
}
public void clearApplications() {
int size = this.mDataset.size();
if (size > 0) {
for (int i = 0; i < size; i++) {
mDataset.remove(i);
filterList.remove(i);
}
this.notifyItemRangeRemoved(0, size);
}
}
希望有效！
答案 1 :(得分：0)
更改此内容：
public void addItems(List<Info> itemsList) {
// This check could be avoided if you declared your mDataset final
if(mDataset == null) {
mDataset = new ArrayList<>();
}
int prevSize = mDataset.size();
mDataset.addAll(itemsList);
notifyItemRangeInserted(prevSize, itemsList.size());
}
在适配器
上ul li {
height: 180px;
width: 180px;
background: #f6304c;
display: block;
color: #ffffff;
text-align: center;
margin: 2% 0 0 30%;
padding: 50px 0;
}
答案 2 :(得分：0)
在this.notifyItemRangeInserted(0, candidates.size() - 1);尝试这样的事情后，你不应该调用notifyDataSetChanged（）：
将此方法放入适配器类
public void setData(ArrayList<Info> infos) {
this.mDataset = infos;
notifyDataSetChanged();
}
并将其称为：
ArrayList<Info> list = SingleTon.getInstance().getInfoArrayList().isEmpty();
if (list != null && !list.isEmpty()) {
recycleAdapter.setData(list);
}
在适配器中更正此方法
@Override
public int getItemCount() {
return mDataset != null && !mDataset.isEmpty() ? mDataset.size() : 0;
}
答案 3 :(得分：0)
我不确定您在JobAdapter.class中使用clearApplications（）的位置。 但是，这似乎是错误的。在for循环中，您试图每次删除索引0处的值而不是索引＆＃39; i＆＃39;。希望这会有所帮助。
答案 4 :(得分：-1)
当你使用自定义适配器时，然后没有从那个适配器外部调用notifyDatasetChange（），所以在适配器中创建addItem函数并在适配器列表中添加新的List并调用notifyDataSetChanged
public void addItem(List<Model> list) {
if (lit != null) {
clear();
adapterList.addAll(list);
}
notifyDataSetChanged();
}
答案 5 :(得分：-1)
在您的recyclerview类中进行更改。
//Change condition ">1" to "!=null"
if (SingleTon.getInstance().getInfoArrayList().size() != null) {
recycleAdapter.addApplications(SingleTon.getInstance().getInfoArrayList());
recycleAdapter.notifyDataSetChanged();
然后在适配器中进行更改。
public void addApplications(ArrayList<Info> candidates) {
if (this.filterList == null) {
filterList = new ArrayList<>();
}
this.mDataset.clear();
this.mDataset.addAll(candidates);
this.filterList.addAll(mDataset);
this.notifyItemRangeInserted(0, mDataset.size()); //notify to mDataset
}
希望这会奏效！