Java tutorial
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However, in accepting such obligations, You may act only * on Your own behalf and on Your sole responsibility, not on behalf * of any other Contributor, and only if You agree to indemnify, * defend, and hold each Contributor harmless for any liability * incurred by, or claims asserted against, such Contributor by reason * of your accepting any such warranty or additional liability. * * END OF TERMS AND CONDITIONS * * * Copyright (c) Bug 2016. * * */ package cn.scujcc.bug.bitcoinplatformandroid.fragment; import android.app.Fragment; import android.app.FragmentManager; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.ServiceConnection; import android.os.Bundle; import android.os.IBinder; import android.support.annotation.Nullable; import android.support.v13.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.ArrayList; import java.util.List; import cn.scujcc.bug.bitcoinplatformandroid.R; import cn.scujcc.bug.bitcoinplatformandroid.model.Balance; import cn.scujcc.bug.bitcoinplatformandroid.model.Trend; import cn.scujcc.bug.bitcoinplatformandroid.service.SocketService; import cn.scujcc.bug.bitcoinplatformandroid.util.socket.SocketDataChange; import cn.scujcc.bug.bitcoinplatformandroid.view.SlidingTabLayout; /** * Created by lilujia on 16/4/27. * <p/> * */ public class ActualTransactionFragment extends BaseFragment implements SocketDataChange { private static final String TAG = "ATFragment"; private String mTextviewArray[] = { "?", "", "?" }; private RecyclerView mRecyclerViewBuy, mRecyclerViewSell; private ViewPagerAdapter mViewPagerAdapter; private List<Trend> mBuyList; private List<Trend> mSellList; private DataAdapter mBuyAdapter; private DataAdapter mSellAdapter; private ServiceConnection mSocketServiceConnection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName className, IBinder service) { // We've bound to LocalService, cast the IBinder and get LocalService instance SocketService.LocalBinder binder = (SocketService.LocalBinder) service; binder.getService(ActualTransactionFragment.this); //mSocketService.setDataChange(ActualTransactionFragment.this); } @Override public void onServiceDisconnected(ComponentName arg0) { } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public void onResume() { super.onResume(); Intent socketServiceIntent = new Intent(getActivity(), SocketService.class); getActivity().bindService(socketServiceIntent, mSocketServiceConnection, Context.BIND_AUTO_CREATE); // Intent FIXServiceIntent = new Intent(getActivity(), FIXService.class); // getActivity().bindService(FIXServiceIntent, mFIXServiceConnection, Context.BIND_AUTO_CREATE); } @Override public void onPause() { super.onPause(); getActivity().unbindService(mSocketServiceConnection); //getActivity().unbindService(mFIXServiceConnection); } @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_tab, container, false); setHasOptionsMenu(true); setTitle(view, ""); SlidingTabLayout slidingTabLayout = (SlidingTabLayout) view.findViewById(R.id.tablayout); ViewPager viewPager = (ViewPager) view.findViewById(R.id.viewpager); mRecyclerViewBuy = (RecyclerView) view.findViewById(R.id.recyclerViewBuy); mRecyclerViewSell = (RecyclerView) view.findViewById(R.id.recyclerViewSell); mBuyList = new ArrayList<>(); mSellList = new ArrayList<>(); for (int i = 0; i < 6; i++) { Trend trend1 = new Trend(); trend1.setCount(0); trend1.setPrice(0); Trend trend2 = new Trend(); trend2.setCount(0); trend2.setPrice(0); mBuyList.add(trend1); mSellList.add(trend2); } mBuyAdapter = new DataAdapter(mBuyList, false); mSellAdapter = new DataAdapter(mSellList, true); mRecyclerViewBuy.setLayoutManager(new LinearLayoutManager(getActivity())); mRecyclerViewSell.setLayoutManager(new LinearLayoutManager(getActivity())); mRecyclerViewBuy.setHasFixedSize(true); mRecyclerViewSell.setHasFixedSize(true); mRecyclerViewBuy.setAdapter(mBuyAdapter); mRecyclerViewSell.setAdapter(mSellAdapter); // ViewPager ArrayList<Fragment> fragments = new ArrayList<Fragment>(); CandlestickChartsFragment candlestickChartsFragment = new CandlestickChartsFragment(); Bundle atChartsBundle = new Bundle(); atChartsBundle.putBoolean(CandlestickChartsFragment.ARGS_IS_FULL, false); candlestickChartsFragment.setArguments(atChartsBundle); fragments.add(candlestickChartsFragment); Fragment buyFragment = new BuyAndSellFragment(); Bundle buyBundle = new Bundle(); buyBundle.putBoolean(BuyAndSellFragment.ARGS_IS_Sell, false); buyFragment.setArguments(buyBundle); Fragment sellFragment = new BuyAndSellFragment(); Bundle SellBundle = new Bundle(); SellBundle.putBoolean(BuyAndSellFragment.ARGS_IS_Sell, true); sellFragment.setArguments(SellBundle); fragments.add(buyFragment); fragments.add(sellFragment); mViewPagerAdapter = new ViewPagerAdapter(getChildFragmentManager(), fragments); viewPager.setOffscreenPageLimit(fragments.size()); viewPager.setAdapter(mViewPagerAdapter); slidingTabLayout.setViewPager(viewPager, calculateScreenX()); return view; } private int calculateScreenX() { return getResources().getDisplayMetrics().widthPixels; } class ViewPagerAdapter extends FragmentPagerAdapter { private ArrayList<Fragment> fragments; public ViewPagerAdapter(FragmentManager fm, ArrayList<Fragment> fragments) { super(fm); this.fragments = fragments; } @Override public Fragment getItem(int pos) { return fragments.get(pos); } @Override public int getCount() { return fragments.size(); } @Override public CharSequence getPageTitle(int position) { return mTextviewArray[position]; } } @Override public void tradeChange(String json) { Log.e(TAG, "tradeChange"); } @Override public void tickerChange(String json) { Log.e(TAG, "tickerChange"); } @Override public void groupOrderChange(final String json) { //grouporder //5? try { JSONArray arr = new JSONArray(json); JSONObject jsonObject = arr.getJSONObject(0).getJSONObject("data"); JSONArray ask = jsonObject.getJSONArray("asks"); JSONArray bid = jsonObject.getJSONArray("bids"); for (int i = 0; i < 5; i++) { JSONArray askObj = ask.getJSONArray(i); Trend trendBuy = new Trend(askObj.getDouble(0), askObj.getDouble(1)); mBuyList.remove(1); mBuyList.add(trendBuy); JSONArray bidObj = bid.getJSONArray(i); Trend trendSell = new Trend(bidObj.getDouble(0), bidObj.getDouble(1)); mSellList.remove(1); mSellList.add(trendSell); } } catch (JSONException e) { //e.printStackTrace(); Log.e(TAG, e.getLocalizedMessage()); return; } if (getActivity() != null) { getActivity().runOnUiThread(new Runnable() { @Override public void run() { //tv.setText(json); mBuyAdapter.notifyDataSetChanged(); mSellAdapter.notifyDataSetChanged(); } }); } } @Override public void orderChange(String json) { Log.e(TAG, "orderChange"); } @Override public void balanceChange(String json) { Balance balance = new Balance(); Log.e(TAG, "balanceChange" + json); try { JSONArray arr = new JSONArray(json); JSONObject obj = arr.getJSONObject(0); if (obj.getJSONObject("data").getJSONObject("info").has("funds")) obj = obj.getJSONObject("data").getJSONObject("info").getJSONObject("funds"); else obj = obj.getJSONObject("data").getJSONObject("info"); JSONObject freeObj = obj.getJSONObject("free"); JSONObject freezedObj = obj.getJSONObject("freezed"); balance.setFreeBTC(freeObj.getDouble("btc")); balance.setFreeUSD(freeObj.getDouble("usd")); balance.setFreezedBTC(freezedObj.getDouble("btc")); balance.setFreezedUSD(freezedObj.getDouble("usd")); } catch (JSONException e) { e.printStackTrace(); sendServerError(); Log.e(TAG, "balanceChange" + e.getLocalizedMessage()); } BuyAndSellFragment buyFragment = (BuyAndSellFragment) mViewPagerAdapter.getItem(1); BuyAndSellFragment sellFragment = (BuyAndSellFragment) mViewPagerAdapter.getItem(2); if (buyFragment != null) { buyFragment.updateBalanceUI(balance); } else { Log.e(TAG, "buyFragment==null"); } if (sellFragment != null) { sellFragment.updateBalanceUI(balance); } else { Log.e(TAG, "sellFragment==null"); } Log.e(TAG, "balanceChange" + balance); } @Override public void socketNetworkDisconnect() { // mProtocol=null; Log.e(TAG, "socketNetworkDisconnect"); } @Override public void socketNetworkConnect() { Log.e(TAG, "socketNetworkConnect"); } public class DataAdapter extends RecyclerView.Adapter<DataAdapter.ViewHolder> { private List<Trend> mLists; private boolean isSell; public DataAdapter(List<Trend> list, boolean isSell) { mLists = list; this.isSell = isSell; } @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.five_data, parent, false); return new ViewHolder(v); } @Override public void onBindViewHolder(ViewHolder holder, int position) { if (position == 0) { holder.tv1.setText(" "); holder.tv2.setText("($)"); holder.tv3.setText("?()"); } else { //? Trend trend = mLists.get(position); holder.mView.setTag(position); if (isSell) { holder.tv1.setText("?" + (position)); holder.tv1.setTextColor(getResources().getColor(R.color.green)); holder.tv2.setTextColor(getResources().getColor(R.color.green)); holder.tv3.setTextColor(getResources().getColor(R.color.green)); } else { holder.tv1.setText("" + (position)); holder.tv1.setTextColor(getResources().getColor(R.color.red)); holder.tv2.setTextColor(getResources().getColor(R.color.red)); holder.tv3.setTextColor(getResources().getColor(R.color.red)); } holder.tv2.setText("" + trend.getPrice()); holder.tv3.setText("" + trend.getCount()); } // } @Override public int getItemCount() { return mLists == null ? 0 : mLists.size(); } public class ViewHolder extends RecyclerView.ViewHolder { public View mView; public TextView tv1, tv2, tv3; public ViewHolder(View v) { super(v); mView = v; tv1 = (TextView) mView.findViewById(R.id.data1); tv2 = (TextView) mView.findViewById(R.id.data2); tv3 = (TextView) mView.findViewById(R.id.data3); } } } }