com.adstrosoftware.animationplayground.MainActivity.java Source code

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Here is the source code for com.adstrosoftware.animationplayground.MainActivity.java

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/**
 * Copyright 2013 Adstro Software
 *
 * 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.adstrosoftware.animationplayground;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;

import com.adstrosoftware.animationplayground.explode.ExplodeFragment;
import com.adstrosoftware.animationplayground.horizontal.HorizontalFragment;
import com.adstrosoftware.animationplayground.vertical.VerticalFragment;

/**
 * The main activity of the app
 *
 * @author Adam Stroud &#60;<a href="mailto:adstro@adstrosoftware.com">adstro@adstrosoftware.com</a>&#62;
 */
public class MainActivity extends ActionBarActivity implements AnimationListFragment.CallbackListener {

    private boolean smallScreen;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        FragmentManager fragmentManager = getSupportFragmentManager();

        smallScreen = (fragmentManager.findFragmentById(R.id.animationListFragment) == null);

        if (smallScreen) {

            // Only add the fragment once to prevent overlapping fragments
            if (savedInstanceState == null) {
                Fragment fragment = AnimationListFragment.newInstance();

                fragmentManager.beginTransaction()
                        .add(R.id.fragmentContainer, fragment, fragment.getClass().getName()).commit();
            }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public void onAnimationSelected(int animation) {

        Fragment fragment;

        switch (animation) {
        case 0:
            fragment = HorizontalFragment.newInstance();
            break;
        case 1:
            fragment = VerticalFragment.newInstance();
            break;
        case 2:
            fragment = ExplodeFragment.newInstance();
            break;
        default:
            fragment = InvalidFragment.newInstance();
        }

        FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction()
                .replace(R.id.fragmentContainer, fragment, fragment.getClass().getName());

        if (smallScreen) {
            fragmentTransaction.addToBackStack(null);
        }

        fragmentTransaction.commit();
    }
}