Java tutorial
package com.breadwallet.presenter.fragments; import android.Manifest; import android.app.Fragment; import android.content.Context; import android.content.pm.PackageManager; import android.hardware.fingerprint.FingerprintManager; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.RelativeLayout; import android.widget.TextView; import com.breadwallet.R; import com.breadwallet.BreadWalletApp; import com.breadwallet.presenter.activities.MainActivity; import com.breadwallet.tools.animation.BRAnimator; import com.breadwallet.tools.util.BRConstants; import com.breadwallet.tools.util.BRStringFormatter; import com.breadwallet.tools.manager.CurrencyManager; import com.breadwallet.tools.manager.SharedPreferencesManager; import com.breadwallet.tools.adapter.CurrencyListAdapter; import com.breadwallet.tools.adapter.MiddleViewAdapter; import com.breadwallet.tools.security.PassCodeManager; import com.breadwallet.wallet.BRPeerManager; import com.breadwallet.wallet.BRWalletManager; import static com.breadwallet.tools.util.BRConstants.PLATFORM_ON; /** * BreadWallet * <p> * Created by Mihail Gutan <mihail@breadwallet.com> on 6/29/15. * Copyright (c) 2016 breadwallet LLC * <p> * 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: * <p> * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * <p> * 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. */ public class FragmentSettings extends Fragment { private static final String TAG = FragmentSettings.class.getName(); private MainActivity app; private FragmentSettings fragmentSettings; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // The last two arguments ensure LayoutParams are inflated // properly. View rootView = inflater.inflate(R.layout.fragment_settings, container, false); app = MainActivity.app; fragmentSettings = this; initList(); RelativeLayout about = (RelativeLayout) rootView.findViewById(R.id.about); TextView currencyName = (TextView) rootView.findViewById(R.id.three_letters_currency); RelativeLayout changePassword = (RelativeLayout) rootView.findViewById(R.id.change_password); final String tmp = SharedPreferencesManager.getIso(getActivity()); currencyName.setText(tmp); RelativeLayout localCurrency = (RelativeLayout) rootView.findViewById(R.id.local_currency); RelativeLayout recoveryPhrase = (RelativeLayout) rootView.findViewById(R.id.recovery_phrase); RelativeLayout startRecoveryWallet = (RelativeLayout) rootView.findViewById(R.id.start_recovery_wallet); RelativeLayout fingerprintLimit = (RelativeLayout) rootView.findViewById(R.id.fingerprint_limit); RelativeLayout earlyAccess = (RelativeLayout) rootView.findViewById(R.id.early_access); RelativeLayout line5 = (RelativeLayout) rootView.findViewById(R.id.settings_line_5); TextView theLimit = (TextView) rootView.findViewById(R.id.fingerprint_limit_text); RelativeLayout rescan = (RelativeLayout) rootView.findViewById(R.id.rescan_blockchain); theLimit.setText(BRStringFormatter.getFormattedCurrencyString("BTC", PassCodeManager.getInstance().getLimit(getActivity()))); FingerprintManager mFingerprintManager; mFingerprintManager = (FingerprintManager) getActivity().getSystemService(Context.FINGERPRINT_SERVICE); boolean useFingerPrint; useFingerPrint = ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.USE_FINGERPRINT) == PackageManager.PERMISSION_GRANTED && mFingerprintManager.isHardwareDetected() && mFingerprintManager.hasEnrolledFingerprints(); if (!useFingerPrint) { fingerprintLimit.setVisibility(View.GONE); line5.setVisibility(View.GONE); } fingerprintLimit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { ((BreadWalletApp) getActivity().getApplicationContext()).promptForAuthentication(getActivity(), BRConstants.AUTH_FOR_LIMIT, null, null, null, null, false); } } }); startRecoveryWallet.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { BRAnimator.pressWipeWallet(app, new FragmentWipeWallet()); app.activityButtonsEnable(false); } } }); recoveryPhrase.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { BRWalletManager.getInstance(getActivity()).animateSavePhraseFlow(); } }); about.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { BRAnimator.animateSlideToLeft(app, new FragmentAbout(), fragmentSettings); } } }); localCurrency.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { BRAnimator.animateSlideToLeft(app, new FragmentCurrency(), fragmentSettings); } } }); changePassword.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { final android.app.FragmentManager fm = getActivity().getFragmentManager(); new PasswordDialogFragment().show(fm, PasswordDialogFragment.class.getName()); } } } ); rescan.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { new Thread(new Runnable() { @Override public void run() { BRAnimator.goToMainActivity(fragmentSettings); BRPeerManager.getInstance(getActivity()).rescan(); SharedPreferencesManager.putStartHeight(getActivity(), 0); } }).start(); } } } ); //keep it hidden until finished if (!PLATFORM_ON) { earlyAccess.setVisibility(View.GONE); rootView.findViewById(R.id.early_access_separator).setVisibility(View.GONE); rootView.findViewById(R.id.early_access_separator2).setVisibility(View.GONE); } else { earlyAccess.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (BRAnimator.checkTheMultipressingAvailability()) { BRAnimator.animateSlideToLeft(app, new FragmentWebView(), fragmentSettings); } } }); } return rootView; } @Override public void onResume() { super.onResume(); MiddleViewAdapter.resetMiddleView(getActivity(), null); } @Override public void onPause() { super.onPause(); } private void initList() { CurrencyListAdapter.currencyListAdapter = CurrencyManager.getInstance(getActivity()) .getCurrencyAdapterIfReady(); } }