Java tutorial
/* * Copyright (c) 2015 IRCCloud, Ltd. * * 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 com.irccloud.android.fragment; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v4.app.DialogFragment; import android.util.SparseArray; import android.view.LayoutInflater; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.Spinner; import android.widget.TextView; import com.irccloud.android.IRCCloudApplication; import com.irccloud.android.NetworkConnection; import com.irccloud.android.R; import com.irccloud.android.activity.EditConnectionActivity; import com.irccloud.android.data.model.Server; import com.irccloud.android.data.collection.ServersList; import java.util.ArrayList; public class AddChannelFragment extends DialogFragment { SparseArray<Server> servers; Spinner spinner; TextView channels; int defaultCid = -1; class DoneClickListener implements DialogInterface.OnClickListener { @Override public void onClick(DialogInterface dialog, int which) { int pos = spinner.getSelectedItemPosition(); if (pos >= 0 && pos < servers.size()) { int cid = servers.valueAt(spinner.getSelectedItemPosition()).getCid(); String[] splitchannels = channels.getText().toString().split(","); for (int i = 0; i < splitchannels.length; i++) { String[] channelandkey = splitchannels[i].split(" "); if (channelandkey.length > 1) NetworkConnection.getInstance().join(cid, channelandkey[0].trim(), channelandkey[1]); else NetworkConnection.getInstance().join(cid, channelandkey[0].trim(), ""); } dismiss(); } } } public void setDefaultCid(int cid) { defaultCid = cid; } @Override public void onResume() { int pos = 0; super.onResume(); servers = ServersList.getInstance().getServers(); ArrayList<String> servernames = new ArrayList<String>(); for (int i = 0; i < servers.size(); i++) { servernames.add(servers.valueAt(i).getName()); if (servers.valueAt(i).getCid() == defaultCid) pos = i; } ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_spinner_item, android.R.id.text1, servernames.toArray(new String[servernames.size()])); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); spinner.setSelection(pos); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Context ctx = getActivity(); if (ctx == null) return null; LayoutInflater inflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = inflater.inflate(R.layout.dialog_add_channel, null); spinner = v.findViewById(R.id.networkSpinner); channels = v.findViewById(R.id.channels); channels.setText(""); channels.append("#"); Button b = v.findViewById(R.id.addBtn); b.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (!getActivity().getResources().getBoolean(R.bool.isTablet)) { Intent i = new Intent(getActivity(), EditConnectionActivity.class); startActivity(i); } else { EditConnectionFragment newFragment = new EditConnectionFragment(); newFragment.show(getActivity().getSupportFragmentManager(), "editconnection"); } } }); return new AlertDialog.Builder(ctx).setTitle("Join A Channel").setView(v) .setPositiveButton("Join", new DoneClickListener()) .setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }).create(); } }