sintef.android.gravity.advanced.AdvancedActivity.java Source code

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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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 sintef.android.gravity.advanced;

import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.Toolbar;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuItem;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.Switch;

import com.astuetz.PagerSlidingTabStrip;

import de.greenrobot.event.EventBus;
import sintef.android.controller.EventTypes;
import sintef.android.controller.utils.PreferencesHelper;
import sintef.android.gravity.AlarmFragment;
import sintef.android.gravity.R;

/**
 * Created by samyboy89 on 23/02/15.
 */
public class AdvancedActivity extends ActionBarActivity {

    private static final int NUM_PAGES = 4;

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

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        final ViewPager pager = (ViewPager) findViewById(R.id.pager);
        pager.setAdapter(new PagerAdapter(getSupportFragmentManager()));
        pager.setOffscreenPageLimit(NUM_PAGES - 1);

        PagerSlidingTabStrip tabs = (PagerSlidingTabStrip) findViewById(R.id.tabs);
        tabs.setTextColor(Color.WHITE);
        tabs.setViewPager(pager);

        tabs.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

            }

            @Override
            public void onPageSelected(int position) {
                Fragment fragment = ((PagerAdapter) pager.getAdapter()).getRegisteredFragment(position);
                if (fragment instanceof RecordHistoryFragment) {
                    ((RecordHistoryFragment) fragment).notifyOnDataSetChanged();
                }
            }

            @Override
            public void onPageScrollStateChanged(int state) {

            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        EventBus.getDefault().post(EventTypes.ONRESUME);
    }

    @Override
    protected void onPause() {
        super.onPause();
        EventBus.getDefault().post(EventTypes.ONPAUSE);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_advanced, menu);
        return true;
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        Switch fall_detection_switch = (Switch) menu.findItem(R.id.fall_detection_switch).getActionView()
                .findViewById(R.id.switch_toolbar);
        fall_detection_switch
                .setChecked(PreferencesHelper.getBoolean(PreferencesHelper.FALL_DETECTION_ENABLED, true));
        fall_detection_switch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                PreferencesHelper.putBoolean(PreferencesHelper.FALL_DETECTION_ENABLED, b);
            }
        });

        return super.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private class PagerAdapter extends FragmentStatePagerAdapter {

        SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>();

        public PagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            switch (position) {
            case 0:
                return new GraphFragment();
            case 1:
                return new ThresholdsFragment();
            case 2:
                return new RecordFragment();
            case 3:
                return new RecordHistoryFragment();
            }
            return new AlarmFragment();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            switch (position) {
            case 0:
                return getString(R.string.fragment_graph);
            case 1:
                return getString(R.string.fragment_thresholds);
            case 2:
                return getString(R.string.fragment_record);
            case 3:
                return getString(R.string.fragment_record_history);
            }
            return super.getPageTitle(position);
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            Fragment fragment = (Fragment) super.instantiateItem(container, position);
            registeredFragments.put(position, fragment);
            return fragment;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            registeredFragments.remove(position);
            super.destroyItem(container, position, object);
        }

        public Fragment getRegisteredFragment(int position) {
            return registeredFragments.get(position);
        }

        @Override
        public int getCount() {
            return NUM_PAGES;
        }
    }

}