Java tutorial
/* * Copyright (C) 2016 Daniel Lehrner * * 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 me.lehrner.newsgroupsndy.view; import android.annotation.SuppressLint; import android.app.Dialog; import android.content.Context; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.NavUtils; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatDialogFragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.EditText; import javax.inject.Inject; import me.lehrner.newsgroupsndy.NDYApplication; import me.lehrner.newsgroupsndy.R; import me.lehrner.newsgroupsndy.presenter.ServerPresenter; import me.lehrner.newsgroupsndy.view.interfaces.AddServerClickHandler; import me.lehrner.newsgroupsndy.view.interfaces.AddServerView; import me.lehrner.newsgroupsndy.view.interfaces.GetServerId; public class AddServerDialogFragment extends AppCompatDialogFragment implements AddServerView, AddServerClickHandler { private final String LOG_TAG = this.getClass().getSimpleName(); @Inject ServerPresenter mServerPresenter; GetServerId mGetServerId; View mView; public AddServerDialogFragment() { // Required empty public constructor } public static AddServerDialogFragment newInstance() { return new AddServerDialogFragment(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { ((NDYApplication) getActivity().getApplication()).getComponent().inject(this); mView = inflater.inflate(R.layout.fragment_add_server_dialog, container, false); return mView; } @SuppressLint("InflateParams") @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); LayoutInflater inflater = getActivity().getLayoutInflater(); @SuppressLint("InflateParams") View titleView = inflater.inflate(R.layout.dialog_add_server, null); builder.setView(R.layout.fragment_add_server_dialog).setCustomTitle(titleView); return builder.create(); } @Override public int getServerId() { return mGetServerId.getServerId(); } @Override public String getServerName() { return getStringFromEditText(R.id.text_server_name); } @Override public String getServerUrl() { return getStringFromEditText(R.id.text_server_url); } @Override public String getUserName() { return getStringFromEditText(R.id.text_user_name); } @Override public String getUserMail() { return getStringFromEditText(R.id.text_user_mail); } @Override public void setServerName(String s) { setStringInEditText(R.id.text_server_name, s); } @Override public void setServerUrl(String s) { setStringInEditText(R.id.text_server_url, s); } @Override public void setUserName(String s) { setStringInEditText(R.id.text_user_name, s); } @Override public void setUserMail(String s) { setStringInEditText(R.id.text_user_mail, s); } @Override public void showUrlIsInvalid() { getActivity().runOnUiThread(new Runnable() { public void run() { EditText serveUrlText = (EditText) mView.findViewById(R.id.text_server_url); serveUrlText.setError(getString(R.string.url_invalid)); } }); } @Override public void closeAddServerView() { Dialog dialog = getDialog(); if (dialog != null) { dialog.cancel(); } else { NavUtils.navigateUpFromSameTask(getActivity()); } } @Override public void onResume() { super.onResume(); mServerPresenter.setView(this); mServerPresenter.loadServerDetails(); } @Override public void onServerSave() { mServerPresenter.saveServer(); } private String getStringFromEditText(int viewId) { EditText editText; Dialog dialog = getDialog(); if (dialog != null) { editText = (EditText) dialog.findViewById(viewId); } else { editText = (EditText) getActivity().findViewById(viewId); } return editText.getText().toString(); } private void setStringInEditText(int viewId, final String s) { final EditText editText; Dialog dialog = getDialog(); if (dialog != null) { editText = (EditText) dialog.findViewById(viewId); } else { editText = (EditText) getActivity().findViewById(viewId); } getActivity().runOnUiThread(new Runnable() { public void run() { editText.setText(s); } }); } @Override public void onAttach(Context context) { super.onAttach(context); try { mGetServerId = (GetServerId) context; } catch (ClassCastException e) { Log.e(LOG_TAG, "Context doesn't implement GetServerId: " + e.toString()); } } }