Java tutorial
/* * Copyright 2015-present the original author or authors. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.dash.wallet.integration.uphold.ui; import android.app.Activity; import android.app.ProgressDialog; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.annotation.Nullable; import android.support.customtabs.CustomTabsIntent; import android.support.v4.content.ContextCompat; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.MenuItem; import android.view.View; import org.bitcoinj.core.Coin; import org.bitcoinj.utils.MonetaryFormat; import org.dash.wallet.common.Configuration; import org.dash.wallet.common.customtabs.CustomTabActivityHelper; import org.dash.wallet.common.ui.CurrencyTextView; import org.dash.wallet.common.ui.DialogBuilder; import org.dash.wallet.integration.uphold.R; import org.dash.wallet.integration.uphold.data.UpholdCard; import org.dash.wallet.integration.uphold.data.UpholdClient; import org.dash.wallet.integration.uphold.data.UpholdConstants; import java.math.BigDecimal; public class UpholdAccountActivity extends AppCompatActivity { public static final String WALLET_RECEIVING_ADDRESS_EXTRA = "uphold_receiving_address_extra"; private CurrencyTextView balanceView; private BigDecimal balance; private String receivingAddress; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.uphold_account_screen); receivingAddress = getIntent().getStringExtra(WALLET_RECEIVING_ADDRESS_EXTRA); if (receivingAddress == null) { finish(); } balanceView = findViewById(R.id.uphold_account_balance); balanceView.setFormat(new MonetaryFormat().noCode()); Toolbar toolbar = findViewById(R.id.toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setDisplayShowHomeEnabled(true); } if (actionBar != null) { actionBar.setTitle(R.string.uphold_account); } findViewById(R.id.uphold_transfer_to_this_wallet_button).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (balance != null && receivingAddress != null) { showWithdrawalDialog(); } } }); findViewById(R.id.uphold_buy_dash_btn).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { openBuyDashUrl(); } }); } @Override public boolean onOptionsItemSelected(final MenuItem item) { switch (item.getItemId()) { case android.R.id.home: finish(); return true; } return super.onOptionsItemSelected(item); } @Override protected void onResume() { super.onResume(); loadUserBalance(); } private void loadUserBalance() { final ProgressDialog loadingDialog = new ProgressDialog(this); loadingDialog.setIndeterminate(true); loadingDialog.setCancelable(false); loadingDialog.setMessage(getString(R.string.loading)); loadingDialog.show(); UpholdClient.getInstance().getDashBalance(new UpholdClient.Callback<BigDecimal>() { @Override public void onSuccess(BigDecimal data) { balance = data; balanceView.setAmount(Coin.parseCoin(balance.toString())); loadingDialog.cancel(); } @Override public void onError(Exception e, boolean otpRequired) { loadingDialog.cancel(); showErrorAlert(); } }); } private void openBuyDashUrl() { UpholdCard dashCard = UpholdClient.getInstance().getCurrentDashCard(); if (dashCard != null) { final String url = String.format(UpholdConstants.CARD_URL_BASE, dashCard.getId()); CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder(); int toolbarColor = ContextCompat.getColor(this, R.color.colorPrimary); CustomTabsIntent customTabsIntent = builder.setShowTitle(true).setToolbarColor(toolbarColor).build(); CustomTabActivityHelper.openCustomTab(this, customTabsIntent, Uri.parse(url), new CustomTabActivityHelper.CustomTabFallback() { @Override public void openUri(Activity activity, Uri uri) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setData(Uri.parse(url)); startActivity(intent); } }); } else { showErrorAlert(); } } private void showErrorAlert() { new DialogBuilder(this).setMessage(R.string.loading_error).show(); } private void showWithdrawalDialog() { Configuration config = new Configuration(PreferenceManager.getDefaultSharedPreferences(this), getResources()); String currencyCode = config.getFormat().code(); MonetaryFormat inputFormat = config.getMaxPrecisionFormat(); MonetaryFormat hintFormat = config.getFormat(); UpholdWithdrawalDialog.show(getSupportFragmentManager(), balance, receivingAddress, currencyCode, inputFormat, hintFormat, new UpholdWithdrawalDialog.OnTransferListener() { @Override public void onTransfer() { loadUserBalance(); } }); } }