Java tutorial
/** * Wire * Copyright (C) 2016 Wire Swiss GmbH * * 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 com.waz.zclient.pages.main.profile.preferences.dialogs; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.design.widget.TextInputLayout; import android.support.v4.app.Fragment; import android.telephony.PhoneNumberUtils; import android.text.Editable; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.EditText; import android.widget.TextView; import com.waz.api.KindOfAccess; import com.waz.api.KindOfVerification; import com.waz.api.ZMessagingApi; import com.waz.zclient.R; import com.waz.zclient.core.stores.appentry.AppEntryError; import com.waz.zclient.newreg.utils.AppEntryUtil; import com.waz.zclient.pages.BaseDialogFragment; import com.waz.zclient.pages.main.profile.views.OnTextChangedListener; import com.waz.zclient.ui.utils.TypefaceUtils; import com.waz.zclient.utils.ViewUtils; import java.util.Arrays; import java.util.LinkedList; import java.util.List; public class VerifyPhoneNumberPreferenceFragment extends BaseDialogFragment<VerifyPhoneNumberPreferenceFragment.Container> { public static final String TAG = VerifyPhoneNumberPreferenceFragment.class.getSimpleName(); private static final int CODE_LENGTH = 6; private static final String ARG_PHONE = "ARG_PHONE"; private final char[] verificationCode = new char[CODE_LENGTH]; private List<EditText> textBoxes; public static Fragment newInstance(String phoneNumber) { final VerifyPhoneNumberPreferenceFragment fragment = new VerifyPhoneNumberPreferenceFragment(); final Bundle args = new Bundle(); args.putString(ARG_PHONE, phoneNumber); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState == null) { for (int i = 0; i < verificationCode.length; i++) { verificationCode[i] = ' '; } } setStyle(STYLE_NO_FRAME, R.style.Theme_Dark_Preferences); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { getDialog().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE | WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); super.onViewCreated(view, savedInstanceState); } @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final String number = PhoneNumberUtils.formatNumber(getArguments().getString(ARG_PHONE, "")); final View view = inflater.inflate(R.layout.fragment_preference_phone_number_verification, container, false); final TextInputLayout verificationCodeInputLayout = ViewUtils.getView(view, R.id.til__verification_code); verificationCodeInputLayout.setErrorEnabled(true); final View backButton = ViewUtils.getView(view, R.id.tv__back_button); backButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dismiss(); } }); final View okButton = ViewUtils.getView(view, R.id.tv__ok_button); okButton.setEnabled(false); okButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { final String code = getVerificationCode(); getStoreFactory().getProfileStore().submitCode(number, code, new ZMessagingApi.PhoneNumberVerificationListener() { @Override public void onVerified(KindOfVerification kindOfVerification) { dismiss(); } @Override public void onVerificationFailed(KindOfVerification kindOfVerification, int errorCode, String message, String label) { if (AppEntryError.PHONE_INVALID_REGISTRATION_CODE.correspondsTo(errorCode, label)) { verificationCodeInputLayout.setError(getString( AppEntryError.PHONE_INVALID_REGISTRATION_CODE.headerResource)); } else { verificationCodeInputLayout.setError( getString(AppEntryError.PHONE_REGISTER_GENERIC_ERROR.headerResource)); } } }); } }); final TextView changeNumberButton = ViewUtils.getView(view, R.id.tv__change_number_button); changeNumberButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (getContainer() == null) { return; } dismiss(); getContainer().changePhoneNumber(number); } }); final TextView resendButton = ViewUtils.getView(view, R.id.tv__resend_button); resendButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { resendButton.animate().alpha(0f).start(); getStoreFactory().getProfileStore().resendPhoneVerificationCode(number, new ZMessagingApi.PhoneConfirmationCodeRequestListener() { @Override public void onConfirmationCodeSent(KindOfAccess kindOfAccess) { resendButton.animate().alpha(1f).start(); } @Override public void onPasswordExists(KindOfAccess kindOfAccess) { } @Override public void onConfirmationCodeSendingFailed(KindOfAccess kindOfAccess, int code, String message, String label) { resendButton.animate().alpha(1f).start(); AppEntryUtil.showErrorDialog(getActivity(), AppEntryError.PHONE_REGISTER_GENERIC_ERROR, null); } }); } }); final TextView verificationDescription = ViewUtils.getView(view, R.id.tv__verification_description); verificationDescription .setText(getString(R.string.pref__account_action__phone_verification__description, number)); final EditText firstNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__1); final EditText secondNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__2); final EditText thirdNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__3); final EditText fourthNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__4); final EditText fifthNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__5); final EditText sixthNumberEditText = ViewUtils.getView(view, R.id.et__verification_code__6); textBoxes = new LinkedList<>(Arrays.asList(firstNumberEditText, secondNumberEditText, thirdNumberEditText, fourthNumberEditText, fifthNumberEditText, sixthNumberEditText)); for (int i = 0; i < textBoxes.size(); i++) { final EditText textBox = textBoxes.get(i); final int finalI = i; textBox.setTypeface(TypefaceUtils.getTypeface(getString(R.string.wire__typeface__bold))); textBox.addTextChangedListener(new OnTextChangedListener() { @Override public void afterTextChanged(Editable s) { verificationCodeInputLayout.setError(null); final String val = textBox.getText().toString().trim(); final char c; if (TextUtils.isEmpty(val)) { c = ' '; } else { c = val.charAt(0); } verificationCode[finalI] = c; final boolean wasDelete = c == ' '; if (!jumpToNextEmptyTextBox(wasDelete)) { okButton.setEnabled(true); if (finalI == textBoxes.size()) { okButton.requestFocus(); } } else { okButton.setEnabled(false); } } }); } return view; } private String getVerificationCode() { return new String(verificationCode); } private boolean jumpToNextEmptyTextBox(boolean wasDelete) { for (int i = 0; i < verificationCode.length; i++) { if (verificationCode[i] == ' ') { if (wasDelete && i > 0) { textBoxes.get(i - 1).requestFocus(); } else { textBoxes.get(i).requestFocus(); } return true; } } return false; } public interface Container { void changePhoneNumber(String phoneNumber); } }