Java tutorial
/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.potato.appstore.store.ui.fragment; import android.databinding.DataBindingUtil; import android.os.Bundle; import android.os.Environment; import android.support.annotation.Nullable; import android.support.v4.widget.SwipeRefreshLayout; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.potato.appstore.R; import com.potato.appstore.databinding.FragmentAppListBinding; import com.potato.appstore.store.data.bean.ApkInfo; import com.potato.appstore.store.data.parser.ApkInfoListParser; import com.potato.appstore.store.data.request.AppStoreRequestBuilder; import com.potato.appstore.store.data.request.DataSource; import com.potato.appstore.store.ui.adapter.AppListAdapter; import com.potato.chips.base.BaseFragment; import com.potato.library.net.Request; import com.potato.library.net.RequestManager; import com.potato.library.util.L; import com.potato.library.view.refresh.ListSwipeLayout; import java.io.File; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.List; public class AppListFragment extends BaseFragment { private static final String TAG = "ListFragmentJiongtu"; /** * extrars */ public static final String EXTRARS_SECTION_ID = "EXTRARS_SECTION_ID"; public static final String EXTRARS_TITLE = "EXTRARS_TITLE"; private long mSectionId; private String mTitle; private List mList = new ArrayList<ApkInfo>(); private AppListAdapter mAdapter; private ApkInfoListParser mParser; private FragmentAppListBinding mBinding; private static final DecimalFormat DF = new DecimalFormat("0.00"); /** * Dir: /Download */ private final File dir = new File(Environment.getExternalStorageDirectory(), "Download"); @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mSectionId = getArguments() == null ? 0 : getArguments().getLong(EXTRARS_SECTION_ID); mTitle = getArguments() == null ? "" : getArguments().getString(EXTRARS_TITLE); mBinding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.fragment_app_list, container, false); mParser = new ApkInfoListParser(""); mAdapter = new AppListAdapter(mContext); mBinding.list.setAdapter(mAdapter); mBinding.swipeContainer.setFooterView(mContext, mBinding.list, R.layout.listview_footer); mBinding.swipeContainer.setColorSchemeResources(R.color.google_blue, R.color.google_green, R.color.google_red, R.color.google_yellow); mBinding.swipeContainer.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { sendRequest2RefreshList(); } }); mBinding.swipeContainer.setOnLoadListener(new ListSwipeLayout.OnLoadListener() { @Override public void onLoad() { sendRequest2LoadMoreList(); } }); mBinding.swipeContainer.setEmptyView(mBinding.emptyView); mBinding.emptyView.setOnClickListener(this); mBinding.swipeContainer.showProgress(); sendRequest2RefreshList(); return mBinding.getRoot(); } @Override public void onClick(View view) { switch (view.getId()) { case R.id.empty_view: mBinding.swipeContainer.showProgress(); sendRequest2RefreshList(); break; } } /** * */ private void sendRequest2RefreshList() { L.e(TAG, ":sectionId=" + mSectionId); Request request = AppStoreRequestBuilder.getAlbumListRequest(mSectionId, 0); RequestManager.DataLoadListener dataLoadListener = new RequestManager.DataLoadListener() { @Override public void onSuccess(int statusCode, String content) { L.e(TAG, "onSuccess" + this); onRefreshSucc(content); } @Override public void onFailure(Throwable error, String errMsg) { L.e("??!!!,EMPTY_TYPE_ERROR" + this); mBinding.swipeContainer.postDelayed(new Runnable() { @Override public void run() { mBinding.swipeContainer.showEmptyViewFail(); } }, 2000); } @Override public void onCacheLoaded(String content) { L.e(TAG, "onCacheLoaded," + this); onRefreshSucc(content); } }; RequestManager.requestData(request, dataLoadListener, RequestManager.CACHE_TYPE_NOCACHE); } /** * */ private void sendRequest2LoadMoreList() { L.e(TAG, ":sectionId=" + mSectionId); Request request = AppStoreRequestBuilder.getAlbumListRequest(mSectionId, 1000); RequestManager.DataLoadListener dataLoadListener = new RequestManager.DataLoadListener() { @Override public void onSuccess(int statusCode, String content) { L.e(TAG, "onSuccess" + this); onLoadSucc(content); } @Override public void onFailure(Throwable error, String errMsg) { L.e("??!!!,EMPTY_TYPE_ERROR" + this); mBinding.swipeContainer.setLoading(false); } @Override public void onCacheLoaded(String content) { L.e(TAG, "onCacheLoaded," + this); } }; RequestManager.requestData(request, dataLoadListener, RequestManager.CACHE_TYPE_NOCACHE); } private void onRefreshSucc(String content) { mBinding.swipeContainer.showSucc(); // mList = mParser.parseToAlbumList(content); mList = DataSource.getInstance().getData(); mAdapter.setDataList(mList); mAdapter.notifyDataSetChanged(); mBinding.swipeContainer.setRefreshing(false); if (mList != null && mList.size() != 0) { mBinding.swipeContainer.setLoadEnable(true); } } private void onLoadSucc(String content) { mBinding.swipeContainer.setLoading(false); // ArrayList<ApkInfo> moreData = mParser.parseToAlbumList(content); List moreData = DataSource.getInstance().getData(); if (moreData == null || moreData.size() == 0) { mBinding.swipeContainer.setLoadEnable(false); return; } mList.addAll(moreData); mAdapter.setDataList(mList); mAdapter.notifyDataSetChanged(); } }