Java tutorial
/* Copyright(c) 2016 kobaken0029 All Rights Reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package click.kobaken.rxirohaandroid_sample.view.fragment; import android.content.Intent; import android.databinding.DataBindingUtil; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import com.google.gson.Gson; import com.google.zxing.integration.android.IntentIntegrator; import com.google.zxing.integration.android.IntentResult; import click.kobaken.rxirohaandroid_sample.R; import click.kobaken.rxirohaandroid_sample.databinding.FragmentAssetSenderBinding; import click.kobaken.rxirohaandroid_sample.exception.ErrorMessageFactory; import click.kobaken.rxirohaandroid_sample.exception.IllegalQRCodeException; import click.kobaken.rxirohaandroid_sample.model.TransferQRParameter; import click.kobaken.rxirohaandroid_sample.presenter.AssetSenderPresenter; import click.kobaken.rxirohaandroid_sample.view.AssetSenderView; import click.kobaken.rxirohaandroid_sample.view.activity.MainActivity; import click.kobaken.rxirohaandroid_sample.view.activity.QRScannerActivity; import cn.pedant.SweetAlert.SweetAlertDialog; public class AssetSenderFragment extends Fragment implements AssetSenderView, MainActivity.MainActivityListener { public static final String TAG = AssetSenderFragment.class.getSimpleName(); private AssetSenderPresenter assetSenderPresenter = new AssetSenderPresenter(); private FragmentAssetSenderBinding binding; private SweetAlertDialog sweetAlertDialog; public static AssetSenderFragment newInstance() { AssetSenderFragment fragment = new AssetSenderFragment(); return fragment; } @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); assetSenderPresenter.setView(this); assetSenderPresenter.onCreate(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_asset_sender, container, false); } @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); binding = DataBindingUtil.bind(view); binding.qrButton.setOnClickListener(assetSenderPresenter.onQRShowClicked()); binding.submitButton.setOnClickListener(assetSenderPresenter.onSubmitClicked()); binding.amount.addTextChangedListener(assetSenderPresenter.textWatcher()); } @Override public void onStart() { super.onStart(); assetSenderPresenter.onStart(); if (binding.receiver.getText().length() != 0) { Log.d(TAG, "onStart: " + binding.receiver.getText().toString()); afterQRReadViewState(binding.receiver.getText().toString(), binding.amount.getText().toString()); } else { beforeQRReadViewState(); } } @Override public void onStop() { assetSenderPresenter.onStop(); super.onStop(); } @Override public void onDestroy() { assetSenderPresenter.onDestroy(); super.onDestroy(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data); if (result != null) { if (result.getContents() == null) { Log.e(TAG, "onActivityResult: Canceled!"); return; } TransferQRParameter params; try { params = new Gson().fromJson(result.getContents(), TransferQRParameter.class); } catch (Exception e) { Log.e(TAG, "onActivityResult: json could not parse to object!"); showError(ErrorMessageFactory.create(getContext(), new IllegalQRCodeException())); return; } final String value = String.valueOf(params.amount).equals("0") ? "" : String.valueOf(params.amount); Log.d(TAG, "onActivityResult: " + value); afterQRReadViewState(params.account, value); } } @Override public void showError(String error) { sweetAlertDialog = new SweetAlertDialog(getActivity(), SweetAlertDialog.ERROR_TYPE); sweetAlertDialog.setTitleText(getString(R.string.error)).setContentText(error).show(); } @Override public void showWarning(String warning) { sweetAlertDialog = new SweetAlertDialog(getActivity(), SweetAlertDialog.WARNING_TYPE); sweetAlertDialog.setTitleText(getString(R.string.warning)).setContentText(warning).show(); } @Override public void showSuccess(String title, String message, View.OnClickListener onClickListener) { sweetAlertDialog.setTitleText(title).setContentText(message) .setConfirmClickListener(dialog -> onClickListener.onClick(null)) .changeAlertType(SweetAlertDialog.SUCCESS_TYPE); sweetAlertDialog.show(); } @Override public void hideSuccess() { sweetAlertDialog.dismiss(); } @Override public String getAmount() { return binding.amount.getText().toString(); } @Override public void setAmount(String amount) { binding.amount.setText(amount); } @Override public String getReceiver() { Log.d(TAG, "getReceiver: " + binding.receiver.getText().toString()); return binding.receiver.getText().toString(); } @Override public void showQRReader() { IntentIntegrator.forSupportFragment(this).setBeepEnabled(false).setOrientationLocked(true) .setBarcodeImageEnabled(true).setDesiredBarcodeFormats(IntentIntegrator.QR_CODE_TYPES) .setCaptureActivity(QRScannerActivity.class).initiateScan(); } @Override public void beforeQRReadViewState() { binding.receiver.setText(""); binding.amount.setText(""); } @Override public void afterQRReadViewState(String receiver, String value) { binding.receiver.setText(receiver); binding.amount.setText(value); } @Override public void showProgress() { sweetAlertDialog = new SweetAlertDialog(getActivity(), SweetAlertDialog.PROGRESS_TYPE); sweetAlertDialog.setCancelable(false); sweetAlertDialog.setTitleText(getString(R.string.connection)).setContentText(getString(R.string.sending)) .show(); } @Override public void hideProgress() { // nothing } @Override public void onNavigationItemClicked() { // nothing } }