Android Open Source - trackme App

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From Project

Back to project page trackme.

License

The source code is released under:

Apache License

Java Source Code

package com.ivailozn.trackme;
//w  ww .j av a2  s  .c o  m
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.TreeSet;

import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.res.Configuration;
import android.location.Location;
import android.preference.PreferenceManager;
import android.provider.SyncStateContract.Constants;
import android.util.Log;

public class App extends Application {

  public final static boolean DEBUG = false;

  private static Model model;

  public Model getModel() {
    if (model == null) {
      model = new Model();
    }
    return model;
  }

  public void setModel(Model model) {
    App.model = model;
  }

  @Override
  public void onLowMemory() {
    Log.w(App.class.toString(), "onLowMemory");
    super.onLowMemory();
  }

  public class Model {

    private HashMap<String, String> data = new HashMap<String, String>();

    private ArrayList<MyLocation> locations = new ArrayList<MyLocation>();
    // 23453452435 - date of the saving, arraylist with locations
    private HashMap<String, ArrayList<MyLocation>> locationMaps = new HashMap<String, ArrayList<MyLocation>>();

    public Model() {
      Log.d(this.toString(), "App - new Model();");
    }

    public ArrayList<MyLocation> getLocations() {
      return locations;
    }

    public void setLocations(ArrayList<MyLocation> locations) {
      this.locations = locations;
    }

    public void setLocationMaps(HashMap<String, ArrayList<MyLocation>> locationMaps) {
      this.locationMaps = locationMaps;
    }

    public HashMap<String, ArrayList<MyLocation>> getLocationMaps() {
      return locationMaps;
    }
  }

  private Location location;

  // manages auto set the locale
  private Locale locale = null;

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);

    if (locale != null) {
      newConfig.locale = locale;
      Locale.setDefault(locale);
      getBaseContext().getResources().updateConfiguration(newConfig, getBaseContext().getResources().getDisplayMetrics());
    }
  }

  public void updateLocale(String lang) {
    Configuration config = getBaseContext().getResources().getConfiguration();
    if (!"".equals(lang) && !config.locale.getLanguage().equals(lang)) {
      locale = new Locale(lang);
      Locale.setDefault(locale);
      config.locale = locale;
      getBaseContext().getResources().updateConfiguration(config, getBaseContext().getResources().getDisplayMetrics());
    }
  }

  public void setLocation(Location location) {
    this.location = location;
  }

  public Location getLocation() {
    return location;
  }

  // web sign in with social networks
  public final static String EXTRA_AUTH_SOCIAL = "social";

  // sign in request code
  public final static int KEY_REQUEST_CODE_MOBILE_PASSPORT = 102;

  // questions list activity
  public final static int REQUEST_CODE_ACTIVITY_CATEGORY_LIST_MINIMAL = 1003;

  HashMap<String, String> dataChache = new HashMap<String, String>();
  HashMap<String, String> sizeChache = new HashMap<String, String>();

  @Override
  public void onCreate() {
    super.onCreate();

    Log.d(this.toString(), "app onCreate(");

    init();
  }

  private void init() {

    // readData
    if (model == null)
      model = new Model();
    readData();
  }

  public void exit() {
    // writeData
    // PersistentHelper.writeObj(getObjFile(), obj);
    writeData();
  }

  // Resurrect all the persistent data
  private void readData() {
    try {
      // use buffering
      InputStream file = new FileInputStream(getObjFile());
      InputStream buffer = new BufferedInputStream(file);
      ObjectInput input = new ObjectInputStream(buffer);
      try {
        Object o = null;

        dataChache = (o = input.readObject()) != null ? (HashMap<String, String>) o : null;
        sizeChache = (o = input.readObject()) != null ? (HashMap<String, String>) o : null;

        getModel().setLocations((o = input.readObject()) != null ? (ArrayList<MyLocation>) o : null);
        getModel().setLocationMaps((o = input.readObject()) != null ? (HashMap<String, ArrayList<MyLocation>>) o : null);
        Log.d(this.toString(), "sizeCache: " + sizeChache.toString());
      } finally {
        input.close();
      }
    } catch (ClassNotFoundException ex) {
      System.err.println(ex);
    } catch (IOException ex) {
      System.err.println(ex);
    }
  }

  // write persistent data
  private void writeData() {
    try {
      OutputStream file = new FileOutputStream(getObjFile());
      OutputStream buffer = new BufferedOutputStream(file);
      ObjectOutput output = new ObjectOutputStream(buffer);
      try {
        output.writeObject(dataChache);
        output.writeObject(sizeChache);
        output.writeObject(getModel().getLocations());
        output.writeObject(getModel().getLocationMaps());
      } finally {
        output.close();
      }
    } catch (IOException ex) {
      System.err.println(ex);
    }
  }

  public HashMap<String, String> getSizeChache() {
    return sizeChache;
  }

  public HashMap<String, String> getDataChache() {
    return dataChache;
  }

  private File getObjFile() {
    return new File(getFilesDir(), "last_state_02.txt");
  }

}

Java Source Code List

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