Android Open Source - android-basic-samples Main Menu Fragment

From Project

Back to project page android-basic-samples.

License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Defi...

If you think the Android project android-basic-samples listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/* Copyright (C) 2013 Google Inc.
 */*  ww w  . ja  va2 s .  c om*/
 * 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.google.example.games.tanc;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;

/**
 * Fragment with the main menu for the game. The main menu allows the player
 * to choose a gameplay mode (Easy or Hard), and click the buttons to
 * show view achievements/leaderboards.
 *
 * @author Bruno Oliveira (Google)
 *
 */
public class MainMenuFragment extends Fragment implements OnClickListener {
    String mGreeting = "Hello, anonymous user (not signed in)";

    public interface Listener {
        public void onStartGameRequested(boolean hardMode);
        public void onShowAchievementsRequested();
        public void onShowLeaderboardsRequested();
        public void onSignInButtonClicked();
        public void onSignOutButtonClicked();
    }

    Listener mListener = null;
    boolean mShowSignIn = true;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragment_mainmenu, container, false);
        final int[] CLICKABLES = new int[] {
                R.id.easy_mode_button, R.id.hard_mode_button,
                R.id.show_achievements_button, R.id.show_leaderboards_button,
                R.id.sign_in_button, R.id.sign_out_button
        };
        for (int i : CLICKABLES) {
            v.findViewById(i).setOnClickListener(this);
        }
        return v;
    }

    public void setListener(Listener l) {
        mListener = l;
    }

    @Override
    public void onStart() {
        super.onStart();
        updateUi();
    }

    public void setGreeting(String greeting) {
        mGreeting = greeting;
        updateUi();
    }

    void updateUi() {
        if (getActivity() == null) return;
        TextView tv = (TextView) getActivity().findViewById(R.id.hello);
        if (tv != null) tv.setText(mGreeting);

        getActivity().findViewById(R.id.sign_in_bar).setVisibility(mShowSignIn ?
                View.VISIBLE : View.GONE);
        getActivity().findViewById(R.id.sign_out_bar).setVisibility(mShowSignIn ?
                View.GONE : View.VISIBLE);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
        case R.id.easy_mode_button:
            mListener.onStartGameRequested(false);
            break;
        case R.id.hard_mode_button:
            mListener.onStartGameRequested(true);
            break;
        case R.id.show_achievements_button:
            mListener.onShowAchievementsRequested();
            break;
        case R.id.show_leaderboards_button:
            mListener.onShowLeaderboardsRequested();
            break;
        case R.id.sign_in_button:
            mListener.onSignInButtonClicked();
            break;
        case R.id.sign_out_button:
            mListener.onSignOutButtonClicked();
            break;
        }
    }

    public void setShowSignInButton(boolean showSignIn) {
        mShowSignIn = showSignIn;
        updateUi();
    }
}

Java Source Code List