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130 changes: 125 additions & 5 deletions
130
...p/src/main/java/com/grumoon/androidultrapulltorefreshdemo/ui/GetMoreListViewFragment.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,31 +1,151 @@ | ||
| package com.grumoon.androidultrapulltorefreshdemo.ui; | ||
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| import android.graphics.Bitmap; | ||
| import android.os.Bundle; | ||
| import android.os.Handler; | ||
| import android.support.v4.app.Fragment; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.BaseAdapter; | ||
| import android.widget.ListView; | ||
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| import com.grumoon.androidultrapulltorefreshdemo.R; | ||
| import com.grumoon.androidultrapulltorefreshdemo.adapter.ListViewAdapter; | ||
| import com.grumoon.androidultrapulltorefreshdemo.header.WindmillHeader; | ||
| import com.grumoon.androidultrapulltorefreshdemo.util.Constants; | ||
| import com.grumoon.androidultrapulltorefreshdemo.view.GetMoreListView; | ||
| import com.nostra13.universalimageloader.core.assist.FailReason; | ||
| import com.nostra13.universalimageloader.core.listener.ImageLoadingListener; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import in.srain.cube.views.ptr.PtrClassicFrameLayout; | ||
| import in.srain.cube.views.ptr.PtrDefaultHandler; | ||
| import in.srain.cube.views.ptr.PtrFrameLayout; | ||
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| /** | ||
| * A simple {@link Fragment} subclass. | ||
| */ | ||
| public class GetMoreListViewFragment extends Fragment { | ||
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| public GetMoreListViewFragment() { | ||
| // Required empty public constructor | ||
| } | ||
| private static final int PAGE_NUM = 10; | ||
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| private GetMoreListView gmlvMain; | ||
| private BaseAdapter adapter; | ||
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| private PtrFrameLayout ptr; | ||
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| private int currentPage = 0; | ||
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| private Handler handler; | ||
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| private List<String> imageUrlList; | ||
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| @Override | ||
| public void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| handler = new Handler(); | ||
| imageUrlList = new ArrayList<String>(); | ||
| } | ||
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| @Override | ||
| public View onCreateView(LayoutInflater inflater, ViewGroup container, | ||
| Bundle savedInstanceState) { | ||
| // Inflate the layout for this fragment | ||
| return inflater.inflate(R.layout.fragment_get_more_list_view, container, false); | ||
| View v = inflater.inflate(R.layout.fragment_get_more_list_view, container, false); | ||
| initView(v); | ||
| return v; | ||
| } | ||
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| private void initView(View v) { | ||
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| gmlvMain = (GetMoreListView) v.findViewById(R.id.gmlv_main); | ||
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| gmlvMain.setOnGetMoreListener(new GetMoreListView.OnGetMoreListener() { | ||
| @Override | ||
| public void onGetMore() { | ||
| handler.postDelayed(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
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| getData(false); | ||
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| } | ||
| }, 2000); | ||
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| } | ||
| }); | ||
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| adapter = new ListViewAdapter(getActivity(), imageUrlList); | ||
| gmlvMain.setAdapter(adapter); | ||
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| ptr = (PtrFrameLayout) v.findViewById(R.id.ptr_main); | ||
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| final WindmillHeader header = new WindmillHeader(getActivity()); | ||
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| ptr.setHeaderView(header); | ||
| ptr.addPtrUIHandler(header); | ||
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| ptr.setPtrHandler(new PtrDefaultHandler() { | ||
| @Override | ||
| public void onRefreshBegin(PtrFrameLayout ptrFrameLayout) { | ||
| handler.postDelayed(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| gmlvMain.setHasMore(); | ||
| getData(true); | ||
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| } | ||
| }, 2000); | ||
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| } | ||
| }); | ||
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| new Handler().postDelayed(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| ptr.autoRefresh(); | ||
| } | ||
| }, 100); | ||
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| } | ||
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| private void getData(boolean isRefresh) { | ||
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| if (isRefresh) { | ||
| currentPage = 0; | ||
| imageUrlList.clear(); | ||
| } | ||
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| List<String> newImageUrlList = new ArrayList<String>(); | ||
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| int start = currentPage * PAGE_NUM; | ||
| int to = Math.min((currentPage + 1) * PAGE_NUM, Constants.SMALL_IMAGE_URLS.length); | ||
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| for (int i = start; i < to; i++) { | ||
| newImageUrlList.add(Constants.SMALL_IMAGE_URLS[i]); | ||
| } | ||
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| if (newImageUrlList.size() < 10) { | ||
| gmlvMain.setNoMore(); | ||
| } | ||
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| currentPage++; | ||
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| imageUrlList.addAll(newImageUrlList); | ||
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| adapter.notifyDataSetChanged(); | ||
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| gmlvMain.getMoreComplete(); | ||
| ptr.refreshComplete(); | ||
| } | ||
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| } |
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