cb.app.fyp.MainActivity.java Source code

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/*
 * Copyright 2012 The Android Open Source Project
 *
 * 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 cb.app.fyp;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import cb.app.fyp.Drive.DriveActivity;
import cb.app.fyp.UI.navdrawer.AboutFragment;
import cb.app.fyp.UI.navdrawer.HomeFragment;
import cb.app.fyp.UI.navdrawer.MyAppsFragment;
import cb.app.fyp.UI.navdrawer.SettingsFragment;
import cb.app.fyp.UI.tabs.NullFragment;

public class MainActivity extends Activity {

    private static final String TAG = "MainActivity";

    private DrawerLayout drawerLayout;
    private ListView drawerListView;
    private static final String PATH = "path";
    private String[] drawerItemTitles;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        drawerItemTitles = getResources().getStringArray(R.array.nav_drawer_array);
        drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawerListView = (ListView) findViewById(R.id.left_drawer);

        // set a custom shadow that overlays the main content when the drawer opens
        drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // set up the drawer's list view with items and click listener
        drawerListView.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, drawerItemTitles));
        drawerListView.setOnItemClickListener(new DrawerItemClickListener());

        if (savedInstanceState == null) {
            selectItem(0);
        }
    }

    public void setResult(String paths) {
        Intent intent = new Intent(this, DriveActivity.class);
        intent.putExtra(PATH, paths);

        setResult(Activity.RESULT_OK, intent);
        finish();
    }

    private class DrawerItemClickListener implements ListView.OnItemClickListener {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    }

    private void selectItem(int position) {
        Fragment fragment = new NullFragment();
        switch (position) {
        case 0:
            fragment = new HomeFragment();
            break;
        case 1:
            fragment = new MyAppsFragment();
            break;
        case 2:
            //Placeholder
            fragment = new SettingsFragment();
            break;
        case 3:
            fragment = new AboutFragment();

        }
        // update the main content by replacing fragments
        if (fragment != null) {
            FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit();

            // update selected item and title, then close the drawer
            drawerListView.setItemChecked(position, true);
            setTitle(drawerItemTitles[position]);
            drawerLayout.closeDrawer(drawerListView);
        } else {
            // error in creating fragment
            Log.e(TAG, "Error in creating fragment");
        }
    }
}