Java tutorial
/* * Copyright (C) 2014 Andrew Comminos * * 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.morlunk.mumbleclient.channel; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.os.RemoteException; import android.support.v4.app.DialogFragment; import android.view.LayoutInflater; import android.view.View; import android.widget.CheckBox; import android.widget.TextView; import com.morlunk.jumble.model.Channel; import com.morlunk.jumble.model.IChannel; import com.morlunk.jumble.net.Permissions; import com.morlunk.mumbleclient.R; import com.morlunk.mumbleclient.util.JumbleServiceProvider; /** * Created by andrew on 23/11/13. */ public class ChannelEditFragment extends DialogFragment { private JumbleServiceProvider mServiceProvider; private TextView mNameField; private TextView mDescriptionField; private TextView mPositionField; private CheckBox mTemporaryBox; @Override public void onAttach(Activity activity) { super.onAttach(activity); try { mServiceProvider = (JumbleServiceProvider) activity; } catch (ClassCastException e) { throw new ClassCastException(activity.toString() + " must implement JumbleServiceProvider"); } } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { LayoutInflater inflater = LayoutInflater.from(getActivity()); View view = inflater.inflate(R.layout.fragment_channel_edit, null, false); mNameField = (TextView) view.findViewById(R.id.channel_edit_name); mDescriptionField = (TextView) view.findViewById(R.id.channel_edit_description); mPositionField = (TextView) view.findViewById(R.id.channel_edit_position); mTemporaryBox = (CheckBox) view.findViewById(R.id.channel_edit_temporary); // If we can only make temporary channels, remove the option. IChannel parentChannel = mServiceProvider.getService().getChannel(getParent()); int combinedPermissions = mServiceProvider.getService().getPermissions() | parentChannel.getPermissions(); boolean canMakeChannel = (combinedPermissions & Permissions.MakeChannel) > 0; boolean canMakeTempChannel = (combinedPermissions & Permissions.MakeTempChannel) > 0; boolean onlyTemp = canMakeTempChannel && !canMakeChannel; mTemporaryBox.setChecked(onlyTemp); mTemporaryBox.setEnabled(!onlyTemp); return new AlertDialog.Builder(getActivity()) .setTitle(isAdding() ? R.string.channel_add : R.string.channel_edit).setView(view) .setPositiveButton(isAdding() ? R.string.add : R.string.save, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { if (isAdding()) { mServiceProvider.getService().createChannel(getParent(), mNameField.getText().toString(), mDescriptionField.getText().toString(), Integer.parseInt(mPositionField.getText().toString()), // We can guarantee this to be an int. InputType is numberSigned. mTemporaryBox.isChecked()); } else { // TODO } } }) .setNegativeButton(android.R.string.cancel, null).create(); } /** * @return true if the user is adding a new channel. */ public boolean isAdding() { return getArguments().getBoolean("adding"); } /** * @return the parent channel that the new channel will be a child of. */ public int getParent() { return getArguments().getInt("parent"); } /** * @return the channel being updated. */ public int getChannel() { return getArguments().getInt("channel"); } }