git.gumartinm.name Git - JavaForFun/blob

   1 package com.weather.information.activity;
   2
   3 import android.app.ActionBar;
   4 import android.app.ActionBar.Tab;
   5 import android.app.FragmentTransaction;
   6 import android.content.ComponentName;
   7 import android.content.Intent;
   8 import android.content.SharedPreferences;
   9 import android.os.Bundle;
  10 import android.preference.PreferenceManager;
  11 import android.support.v4.app.Fragment;
  12 import android.support.v4.app.FragmentActivity;
  13 import android.support.v4.app.FragmentManager;
  14 import android.support.v4.app.FragmentPagerAdapter;
  15 import android.support.v4.view.ViewPager;
  16 import android.view.Menu;
  17 import android.view.MenuItem;
  18
  19 import com.weather.information.R;
  20 import com.weather.information.fragment.current.CurrentFragment;
  21 import com.weather.information.fragment.overview.OverviewFragment;
  22 import com.weather.information.model.DatabaseQueries;
  23 import com.weather.information.model.WeatherLocation;
  24
  25 import java.text.MessageFormat;
  26 import java.util.Locale;
  27
  28
  29 public class WeatherTabsActivity extends FragmentActivity {
  30     private static final int NUM_ITEMS = 2;
  31     private ViewPager mPager;
  32
  33     @Override
  34     protected void onCreate(final Bundle savedInstanceState) {
  35         super.onCreate(savedInstanceState);
  36         this.setContentView(R.layout.fragment_pager);
  37
  38         this.mPager = (ViewPager)this.findViewById(R.id.pager);
  39         this.mPager.setAdapter(new TabsAdapter(this.getSupportFragmentManager()));
  40
  41
  42         this.mPager.setOnPageChangeListener(
  43                 new ViewPager.SimpleOnPageChangeListener() {
  44                     @Override
  45                     public void onPageSelected(final int position) {
  46                         WeatherTabsActivity.this.getActionBar().setSelectedNavigationItem(position);
  47                     }
  48                 });
  49
  50
  51         final ActionBar actionBar = this.getActionBar();
  52
  53         PreferenceManager.setDefaultValues(this, R.xml.weather_preferences, false);
  54
  55         // Specify that tabs should be displayed in the action bar.
  56         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
  57         actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_TITLE, ActionBar.DISPLAY_SHOW_TITLE);
  58         actionBar.setDisplayHomeAsUpEnabled(true);
  59
  60         // Create a tab listener that is called when the user changes tabs.
  61         final ActionBar.TabListener tabListener = new ActionBar.TabListener() {
  62
  63             @Override
  64             public void onTabSelected(final Tab tab, final FragmentTransaction ft) {
  65                 WeatherTabsActivity.this.mPager.setCurrentItem(tab.getPosition());
  66
  67             }
  68
  69             @Override
  70             public void onTabUnselected(final Tab tab, final FragmentTransaction ft) {
  71
  72             }
  73
  74             @Override
  75             public void onTabReselected(final Tab tab, final FragmentTransaction ft) {
  76
  77             }
  78
  79         };
  80
  81         actionBar.addTab(actionBar.newTab().setText("CURRENTLY").setTabListener(tabListener));
  82         actionBar.addTab(actionBar.newTab().setText("FORECAST").setTabListener(tabListener));
  83     }
  84
  85     @Override
  86     public boolean onCreateOptionsMenu(final Menu menu) {
  87
  88         this.getMenuInflater().inflate(R.menu.weather_main_menu, menu);
  89
  90         return super.onCreateOptionsMenu(menu);
  91     }
  92
  93     @Override
  94     public boolean onOptionsItemSelected(final MenuItem item) {
  95         // Handle action bar item clicks here. The action bar will
  96         // automatically handle clicks on the Home/Up button, so long
  97         // as you specify a parent activity in AndroidManifest.xml.
  98         super.onOptionsItemSelected(item);
  99
 100         Intent intent;
 101         final int itemId = item.getItemId();
 102         if (itemId == R.id.weather_menu_settings) {
 103             intent = new Intent("com.weather.information.WEATHERINFO")
 104             .setComponent(new ComponentName("com.weather.information",
 105                     "com.weather.information.activity.WeatherInformationPreferencesActivity"));
 106             this.startActivity(intent);
 107             return true;
 108         } else if (itemId == R.id.weather_menu_map) {
 109             intent = new Intent("com.weather.information.WEATHERINFO").
 110                         setComponent(new ComponentName("com.weather.information",
 111                                         "com.weather.information.activity.MapActivity"));
 112             this.startActivity(intent);
 113             return true;
 114         } else if (itemId == R.id.weather_menu_about) {
 115             intent = new Intent("com.weather.information.WEATHERINFO").
 116                     setComponent(new ComponentName("com.weather.information",
 117                             "com.weather.information.activity.AboutActivity"));
 118             this.startActivity(intent);
 119             return true;
 120         } else {
 121         }
 122
 123         // TODO: calling again super method?
 124         return super.onOptionsItemSelected(item);
 125     }
 126
 127     @Override
 128     protected void onRestoreInstanceState(final Bundle savedInstanceState) {
 129         super.onRestoreInstanceState(savedInstanceState);
 130     }
 131
 132
 133     @Override
 134     public void onResume() {
 135         super.onResume();
 136
 137         final ActionBar actionBar = this.getActionBar();
 138
 139         // 1. Update title.
 140         final DatabaseQueries query = new DatabaseQueries(this.getApplicationContext());
 141         final WeatherLocation weatherLocation = query.queryDataBase();
 142         if (weatherLocation != null) {
 143             final String[] array = new String[2];
 144             array[0] = weatherLocation.getCity();
 145             array[1] = weatherLocation.getCountry();
 146             final MessageFormat message = new MessageFormat("{0},{1}", Locale.US);
 147             final String cityCountry = message.format(array);
 148             actionBar.setTitle(cityCountry);
 149         } else {
 150                 actionBar.setTitle(this.getString(R.string.text_field_no_chosen_location));
 151         }
 152
 153         // 2. Update forecast tab text.
 154         final SharedPreferences sharedPreferences = PreferenceManager
 155                 .getDefaultSharedPreferences(this);
 156         final String keyPreference = this.getString(R.string.weather_preferences_day_forecast_key);
 157         final String value = sharedPreferences.getString(keyPreference, "");
 158         String humanValue = "";
 159         if (value.equals("5")) {
 160             humanValue = "5 DAY FORECAST";
 161         } else if (value.equals("10")) {
 162             humanValue = "10 DAY FORECAST";
 163         } else if (value.equals("14")) {
 164             humanValue = "14 DAY FORECAST";
 165         }
 166         actionBar.getTabAt(1).setText(humanValue);
 167     }
 168
 169     @Override
 170     public void onSaveInstanceState(final Bundle savedInstanceState) {
 171         super.onSaveInstanceState(savedInstanceState);
 172     }
 173
 174     private class TabsAdapter extends FragmentPagerAdapter {
 175         public TabsAdapter(final FragmentManager fm) {
 176             super(fm);
 177         }
 178
 179         @Override
 180         public int getCount() {
 181             return NUM_ITEMS;
 182         }
 183
 184         @Override
 185         public Fragment getItem(final int position) {
 186             if (position == 0) {
 187                 return new CurrentFragment();
 188             } else {
 189                 return new OverviewFragment();
 190             }
 191
 192         }
 193     }
 194 }