de.skubware.opentraining.activity.MainActivity.java Source code

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Here is the source code for de.skubware.opentraining.activity.MainActivity.java

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/**
 * 
 * This is OpenTraining, an Android application for planning your your fitness training.
 * Copyright (C) 2012-2013 Christian Skubich
 * 
 * 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 de.skubware.opentraining.activity;

import java.util.List;

import com.actionbarsherlock.app.SherlockFragmentActivity;
import de.skubware.opentraining.R;
import de.skubware.opentraining.activity.create_workout.ExerciseTypeListActivity;
import de.skubware.opentraining.activity.manage_workouts.WorkoutListActivity;
import de.skubware.opentraining.activity.settings.SettingsActivity;
import de.skubware.opentraining.basic.Workout;
import de.skubware.opentraining.db.Cache;
import de.skubware.opentraining.db.DataProvider;
import de.skubware.opentraining.db.IDataProvider;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends SherlockFragmentActivity {
    /** Tag for logging */
    public static final String TAG = MainActivity.class.getName();

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

        setUpList();

        // load data/parse .xml files in background
        final Context mContext = this;
        new Thread() {
            @Override
            public void run() {
                Cache.INSTANCE.updateCache(mContext);
            }
        }.start();

        // show disclaimer
        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
        Boolean showDisclaimer = settings.getBoolean(DisclaimerDialog.PREFERENCE_SHOW_DISCLAIMER, true);
        if (showDisclaimer) {
            new DisclaimerDialog(this);
        }

    }

    /**
     * Configures the ListView for this activity.
     */
    private void setUpList() {
        ListView listview = (ListView) this.findViewById(R.id.activity_main_listview);

        String[] values = new String[] { getString(R.string.create_workout), getString(R.string.manage_workouts),
                getString(R.string.start_training), getString(R.string.settings) };

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,
                android.R.id.text1, values);

        listview.setAdapter(adapter);

        listview.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                switch (position) {
                case 0:
                    startActivity(new Intent(MainActivity.this, ExerciseTypeListActivity.class));
                    break;
                case 1:
                    startActivity(new Intent(MainActivity.this, WorkoutListActivity.class));
                    break;
                case 2:
                    showSelectWorkoutDialog();
                    break;
                case 3:
                    startActivity(new Intent(MainActivity.this, SettingsActivity.class));
                    break;
                default:
                    Log.wtf(TAG, "This item should not exist.");
                }
            }
        });
    }

    /** Shows a dialog for choosing a {@link Workout} */
    private void showSelectWorkoutDialog() {
        IDataProvider dataProvider = new DataProvider(this);

        // get all Workouts
        final List<Workout> workoutList = dataProvider.getWorkouts();

        Log.d(TAG, "Number of Workouts: " + workoutList.size());
        switch (workoutList.size()) {
        // show error message, if there is no Workout
        case 0:
            Toast.makeText(MainActivity.this, getString(R.string.no_workout), Toast.LENGTH_LONG).show();
            break;
        // choose Workout, if there is/are one or more Workout(s)
        default:
            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
            Fragment prev = getSupportFragmentManager().findFragmentByTag("dialog");
            if (prev != null) {
                ft.remove(prev);
            }
            ft.addToBackStack(null);

            // Create and show the dialog.
            DialogFragment newFragment = SelectWorkoutDialogFragment.newInstance();
            newFragment.show(ft, "dialog");
        }

    }

}