Java tutorial
/* Copyright 2015 Salt Edge. https://saltedge.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.saltedge.sdk.sample.tabs; import android.app.ProgressDialog; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ListView; import android.widget.TabHost; import com.saltedge.sdk.models.SEAccount; import com.saltedge.sdk.models.comparators.SEAccountComparator; import com.saltedge.sdk.network.SERequestManager; import com.saltedge.sdk.params.SETokenParams; import com.saltedge.sdk.sample.R; import com.saltedge.sdk.sample.adapters.AccountAdapter; import com.saltedge.sdk.sample.utils.Constants; import com.saltedge.sdk.sample.utils.Tools; import com.saltedge.sdk.sample.utils.UITools; import com.saltedge.sdk.utils.SEConstants; import java.util.ArrayList; import java.util.Collections; public class AccountsFragment extends Fragment { private ProgressDialog progressDialog; private ArrayList<SEAccount> accounts; private String providerCode; private int loginId; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); progressDialog = UITools.createProgressDialog(getActivity(), getActivity().getString(R.string.fetching_accounts)); getActivity().getActionBar().setDisplayHomeAsUpEnabled(true); Bundle bundle = this.getArguments(); providerCode = bundle.getString(SEConstants.KEY_PROVIDER_CODE, ""); loginId = bundle.getInt(SEConstants.KEY_LOGIN_ID, 0); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View mainView = inflater.inflate(R.layout.fragment_list_view, null); return mainView; } @Override public void onDestroy() { super.onDestroy(); UITools.destroyProgressDialog(progressDialog); } @Override public void onStart() { super.onStart(); getAccounts(); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.token_menu, menu); super.onCreateOptionsMenu(menu, inflater); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { // Respond to the action bar's Up/Home button case android.R.id.home: getActivity().getActionBar().setDisplayHomeAsUpEnabled(false); getFragmentManager().popBackStack(); return true; case R.id.action_refresh: fetchRefreshToken(); return true; case R.id.action_reconnect: fetchReconnectToken(); return true; case R.id.action_delete: deleteLogin(); return true; } return super.onOptionsItemSelected(item); } private void fetchRefreshToken() { String loginSecret = Tools.getStringFromPreferences(getActivity(), providerCode); UITools.showProgress(progressDialog); SETokenParams params = new SETokenParams(loginId, "", Constants.CALLBACK_URL, false, null); SERequestManager.getInstance().refreshToken(params, loginSecret, new SERequestManager.FetchListener() { @Override public void onFailure(String errorResponse) { UITools.destroyAlertDialog(progressDialog); UITools.failedParsing(getActivity(), errorResponse); } @Override public void onSuccess(Object response) { UITools.destroyAlertDialog(progressDialog); urlObtained(response); } }); } private void fetchReconnectToken() { String loginSecret = Tools.getStringFromPreferences(getActivity(), providerCode); UITools.showProgress(progressDialog); SETokenParams params = new SETokenParams(loginId, "", Constants.CALLBACK_URL, false, null); SERequestManager.getInstance().reconnectToken(params, loginSecret, new SERequestManager.FetchListener() { @Override public void onFailure(String errorResponse) { UITools.destroyAlertDialog(progressDialog); UITools.failedParsing(getActivity(), errorResponse); } @Override public void onSuccess(Object response) { UITools.destroyAlertDialog(progressDialog); urlObtained(response); } }); } private void deleteLogin() { String loginSecret = Tools.getStringFromPreferences(getActivity(), providerCode); UITools.showProgress(progressDialog); SERequestManager.getInstance().deleteLogin(loginSecret, new SERequestManager.FetchListener() { @Override public void onFailure(String errorResponse) { UITools.destroyAlertDialog(progressDialog); UITools.failedParsing(getActivity(), errorResponse); } @Override public void onSuccess(Object response) { UITools.destroyAlertDialog(progressDialog); getFragmentManager().popBackStack(); } }); } private void urlObtained(Object urlToGo) { getFragmentManager().popBackStack(); Tools.addStringToPreferences(getActivity(), Constants.KEY_REFRESH_URL, (String) urlToGo); TabHost host = (TabHost) getActivity().findViewById(android.R.id.tabhost); host.setCurrentTab(0); } private void getAccounts() { String loginSecret = Tools.getStringFromPreferences(getActivity(), providerCode); if (loginSecret.isEmpty()) { return; } accounts = new ArrayList<>(); UITools.showProgress(progressDialog); SERequestManager.getInstance().listingAccounts(loginSecret, true, new SERequestManager.FetchListener() { @Override public void onFailure(String errorResponse) { UITools.destroyAlertDialog(progressDialog); UITools.failedParsing(getActivity(), errorResponse); } @Override public void onSuccess(Object response) { UITools.destroyAlertDialog(progressDialog); accounts = (ArrayList<SEAccount>) response; Collections.sort(accounts, new SEAccountComparator()); populateAccounts(); } }); } private void failedParsing(String message) { UITools.showAlertDialog(getActivity(), message); } private void populateAccounts() { ListView listView = (ListView) getView().findViewById(R.id.listView); listView.setAdapter(new AccountAdapter(getActivity(), accounts)); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { SEAccount account = accounts.get(position); goToTransactions(account.getId()); } }); } private void goToTransactions(int accountId) { TransactionsFragment transactionsFragment = new TransactionsFragment(); Bundle bundle = new Bundle(); bundle.putInt(SEConstants.KEY_ACCOUNT_ID, accountId); bundle.putString(SEConstants.KEY_PROVIDER_CODE, providerCode); transactionsFragment.setArguments(bundle); getFragmentManager().beginTransaction().replace(R.id.fragment_container, transactionsFragment) .addToBackStack(null).commit(); } }