edu.cmu.sv.trailscribe.view.BaseActivity.java Source code

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Here is the source code for edu.cmu.sv.trailscribe.view.BaseActivity.java

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/* 
 * Copyright (c) 2014, TrailScribe Team.
 * This content is released under the MIT License. See the file named LICENSE for details.
 */
package edu.cmu.sv.trailscribe.view;

import android.app.ActionBar;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import edu.cmu.sv.trailscribe.R;
import edu.cmu.sv.trailscribe.dao.DBHelper;

//  Location-related actions such as saving to database is handled by TrailScribeApplication.
//  Activities implement LocationListener just to make sure activities are aware of location changes.  
public class BaseActivity extends Activity implements LocationListener {
    public static ActivityTheme ACTIVITY_THEME = new ActivityTheme("Default", "default", R.color.blue);
    public static String MSG_TAG = "BaseActivity";

    //   Application
    protected static TrailScribeApplication mApplication;

    //   Database
    protected static DBHelper mDBHelper;

    //   Storage
    public static String STORAGE_PATH;

    //   Location
    protected static Location mLocation;
    protected static LocationManager mLocationManager;

    //   View
    protected DrawerLayout mDrawerLayout;
    protected ActionBar mActionBar;
    protected ActionBarDrawerToggle mDrawerToggle;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mApplication = (TrailScribeApplication) getApplication();
        mDBHelper = TrailScribeApplication.getDBHelper();
        STORAGE_PATH = TrailScribeApplication.STORAGE_PATH;

        setLocation(this);
    }

    @Override
    protected void onStart() {
        super.onStart();
        mLocation = mApplication.getLocation();
    }

    @Override
    protected void onStop() {
        super.onStop();
    }

    protected void setLocation(LocationListener locationListener) {
        mLocationManager = mApplication.getLocationManager();

        // Register only GPS as provider
        // Keep minTime as 60 seconds and 10 meters as minDistance
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
                TrailScribeApplication.MIN_REQUEST_TIME, TrailScribeApplication.MIN_REQUEST_DISTANCE, this);
        // Do not register Network as location provider - Yields unreliable coordinate information
        // mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, TrailScribeApplication.MIN_REQUEST_TIME, TrailScribeApplication.MIN_REQUEST_DISTANCE, this);        

        mLocation = mApplication.getLocation();
    }

    protected void setActionBar(String color) {
        mActionBar = getActionBar();
        mActionBar.setTitle("");
        mActionBar.setIcon(R.drawable.icon_trailscribe);
        mActionBar.setBackgroundDrawable(new ColorDrawable(Color.parseColor(color)));
    }

    // override the dbhelper so a test database can be used instead of
    // the default one
    public void setDBHelper(DBHelper helper) {
        mDBHelper = helper;
    }

    @Override
    public void onProviderDisabled(String provider) {
        //        Handled by TrailScribeApplication
    }

    @Override
    public void onProviderEnabled(String provider) {
        //        Handled by TrailScribeApplication
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        //        Handled by TrailScribeApplication
    }

    @Override
    public void onLocationChanged(Location location) {
        mLocation = mApplication.getLocation();
    }
}