Android Open Source - SnakeWallpaper Preferences

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Back to project page SnakeWallpaper.

License

The source code is released under:

Apache License

Java Source Code

package com.jakewharton.snakewallpaper;
/*ww w.ja va2s  .c o m*/
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.DialogInterface.OnClickListener;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.preference.Preference.OnPreferenceClickListener;
import android.provider.MediaStore;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import com.jakewharton.utilities.WidgetLocationsPreference;

/**
 * Settings activity for SnakeWallpaper
 * 
 * @author Jake Wharton
 */
public class Preferences extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
  /**
   * SharedPreference name.
   */
  /*package*/static final String SHARED_NAME = "SnakeWallpaper";
  
  /**
   * Filename of the change log.
   */
  private static final String FILENAME_CHANGE_LOG = "changelog.html";
  
  /**
   * Filename of the credits.
   */
  private static final String FILENAME_CREDITS = "credits.html";
  
  /**
   * Filename of the instructions.
   */
  private static final String FILENAME_INSTRUCTIONS = "instructions.html";
  
  /**
   * Filename of the to do list.
   */
  private static final String FILENAME_TODO = "todo.html";
  
  /**
   * Select background activity callback ID.
   */
  private static final int SELECT_BACKGROUND = 1;
  
  
  
    @Override
    protected void onCreate(final Bundle icicle) {
        super.onCreate(icicle);
        
        final PreferenceManager manager = this.getPreferenceManager();
        manager.setSharedPreferencesName(Preferences.SHARED_NAME);
        this.addPreferencesFromResource(R.xml.preferences);
        
        final SharedPreferences preferences = manager.getSharedPreferences();
        final Resources resources = this.getResources();
        
        //reset display and game
        this.findPreference(resources.getString(R.string.settings_display_reset_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        (new AlertDialog.Builder(Preferences.this))
          .setMessage(resources.getString(R.string.reset_display))
          .setCancelable(false)
          .setPositiveButton(resources.getString(R.string.yes), new DialogInterface.OnClickListener() {
            public void onClick(final DialogInterface dialog, final int which) {
              Preferences.this.loadDisplayAndGameDefaults();
              
              Toast.makeText(Preferences.this, resources.getString(R.string.reset_display_toast), Toast.LENGTH_LONG).show();
            }
          })
          .setNegativeButton(resources.getString(R.string.no), null)
          .show();
        return true;
      }
    });
        
        //reset colors
        this.findPreference(resources.getString(R.string.settings_color_reset_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        (new AlertDialog.Builder(Preferences.this))
          .setMessage(resources.getString(R.string.reset_color))
          .setCancelable(false)
          .setPositiveButton(resources.getString(R.string.yes), new DialogInterface.OnClickListener() {
            public void onClick(final DialogInterface dialog, final int which) {
              Preferences.this.loadColorDefaults();
              
              Toast.makeText(Preferences.this, resources.getString(R.string.reset_color_toast), Toast.LENGTH_LONG).show();
            }
          })
          .setNegativeButton(resources.getString(R.string.no), null)
          .show();
        return true;
      }
    });
        
        //info email
        this.findPreference(resources.getString(R.string.information_contact_email_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.infoEmail();
        return true;
      }
    });
        
        //info twitter
        this.findPreference(resources.getString(R.string.information_contact_twitter_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.infoTwitter();
        return true;
      }
    });
        
        //info web
        this.findPreference(resources.getString(R.string.information_contact_website_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.infoWeb();
        return true;
      }
    });
        
        //info market
        this.findPreference(resources.getString(R.string.information_market_view_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.infoMarket();
        return true;
      }
    });
        
        //instructions
        this.findPreference(resources.getString(R.string.instructions_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.viewInstructions();
        return true;
      }
    });
        
        //change log
        this.findPreference(resources.getString(R.string.changelog_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.viewChangelog();
        return true;
      }
    });
        
        //credits
        this.findPreference(resources.getString(R.string.credits_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.viewCredits();
        return true;
      }
    });
        
        //todo
        this.findPreference(resources.getString(R.string.todo_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.viewTodo();
        return true;
      }
    });
        
        //github
        this.findPreference(resources.getString(R.string.github_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(Preference preference) {
        Preferences.this.viewGitHub();
        return true;
      }
    });
        
        //xda
        this.findPreference(resources.getString(R.string.xda_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(Preference preference) {
        Preferences.this.viewXda();
        return true;
      }
    });
        
        //background image
        this.findPreference(resources.getString(R.string.settings_color_bgimage_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.startActivityForResult(new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI), Preferences.SELECT_BACKGROUND);
        return true;
      }
    });
        
        //clear background image
        this.findPreference(resources.getString(R.string.settings_color_bgimageclear_key)).setOnPreferenceClickListener(new OnPreferenceClickListener() {
      public boolean onPreferenceClick(final Preference preference) {
        Preferences.this.getPreferenceManager().getSharedPreferences().edit().putString(resources.getString(R.string.settings_color_bgimage_key), null).commit();
        Toast.makeText(Preferences.this, R.string.settings_color_bgimageclear_toast, Toast.LENGTH_SHORT).show();
        return true;
      }
    });

        //Register as a preference change listener
        Wallpaper.PREFERENCES.registerOnSharedPreferenceChangeListener(this);
        this.onSharedPreferenceChanged(Wallpaper.PREFERENCES, null);
        
        //Check previously installed version
        final int thisVersion = resources.getInteger(R.integer.version_code);
        final int defaultVersion = resources.getInteger(R.integer.version_code_default);
        final int previousVersion = preferences.getInt(resources.getString(R.string.version_code_key), defaultVersion);
        if (previousVersion == defaultVersion) {
          //First install
          
          //Store this version
          this.getPreferenceManager().getSharedPreferences().edit().putInt(resources.getString(R.string.version_code_key), thisVersion).commit();
          //Show hello
          (new AlertDialog.Builder(this))
            .setTitle(resources.getString(R.string.title))
            .setMessage(resources.getString(R.string.welcome_firstrun))
            .setCancelable(true)
            .setPositiveButton(resources.getString(R.string.yes), new OnClickListener() {
          public void onClick(final DialogInterface dialog, final int which) {
            Preferences.this.viewInstructions();
          }
        })
        .setNegativeButton(resources.getString(R.string.no), null)
        .show();
        } else if (previousVersion < thisVersion) {
          //First run after upgrade
          
          //Store this version
          this.getPreferenceManager().getSharedPreferences().edit().putInt(resources.getString(R.string.version_code_key), thisVersion).commit();
          //Show hello
          (new AlertDialog.Builder(this))
            .setTitle(resources.getString(R.string.title))
            .setMessage(resources.getString(R.string.welcome_upgrade))
            .setCancelable(true)
            .setPositiveButton(resources.getString(R.string.yes), new OnClickListener() {
          public void onClick(final DialogInterface dialog, final int which) {
            Preferences.this.viewChangelog();
          }
        })
        .setNegativeButton(resources.getString(R.string.no), null)
        .show();
        }
    }
    
    /**
     * Open change log.
     */
    private void viewChangelog() {
    final Intent intent = new Intent(this, About.class);
    intent.putExtra(About.EXTRA_FILENAME, Preferences.FILENAME_CHANGE_LOG);
    intent.putExtra(About.EXTRA_TITLE, this.getResources().getString(R.string.changelog_title));
    this.startActivity(intent);
    }
    
    /**
     * Open instructions.
     */
    private void viewInstructions() {
    final Intent intent = new Intent(this, About.class);
    intent.putExtra(About.EXTRA_FILENAME, Preferences.FILENAME_INSTRUCTIONS);
    intent.putExtra(About.EXTRA_TITLE, this.getResources().getString(R.string.instructions_title));
    this.startActivity(intent);
    }
    
    /**
     * Open credits
     */
    private void viewCredits() {
    final Intent intent = new Intent(this, About.class);
    intent.putExtra(About.EXTRA_FILENAME, Preferences.FILENAME_CREDITS);
    intent.putExtra(About.EXTRA_TITLE, this.getResources().getString(R.string.credits_title));
    this.startActivity(intent);
    }
    
    /**
     * Open todo
     */
    private void viewTodo() {
    final Intent intent = new Intent(this, About.class);
    intent.putExtra(About.EXTRA_FILENAME, Preferences.FILENAME_TODO);
    intent.putExtra(About.EXTRA_TITLE, this.getResources().getString(R.string.todo_title));
    this.startActivity(intent);
    }
    
    /**
     * Open GitHub
     */
    private void viewGitHub() {
      final Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(this.getResources().getString(R.string.github_href)));
    
    this.startActivity(intent);
    }
    
    /**
     * Open XDA
     */
    private void viewXda() {
      final Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(this.getResources().getString(R.string.xda_href)));
    
    this.startActivity(intent);
    }

  public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
    final boolean all = (key == null);
    final Resources resources = this.getResources();
    
    //Only enable clear bg image when a bg image is set
    final String bgimage = resources.getString(R.string.settings_color_bgimage_key);
    if (all || key.equals(bgimage)) {
      final boolean enabled = preferences.getString(bgimage, null) != null;
      this.findPreference(resources.getString(R.string.settings_color_bgimageclear_key)).setEnabled(enabled);
      this.findPreference(resources.getString(R.string.settings_color_bgopacity_key)).setEnabled(enabled);
    }
    
    //If the icon rows or cols are explicitly changed then clear the widget locations
    final String iconRows = resources.getString(R.string.settings_display_iconrows_key);
    final String iconCols = resources.getString(R.string.settings_display_iconcols_key);
    if (all || key.equals(iconRows) || key.equals(iconCols)) {
      final int rows = preferences.getInt(iconRows, resources.getInteger(R.integer.display_iconrows_default));
      final int cols = preferences.getInt(iconCols, resources.getInteger(R.integer.display_iconcols_default));
      final String widgetLocations = resources.getString(R.string.settings_display_widgetlocations_key);
      
      if (!all) {
        //Clear any layouts
        preferences.edit().putString(widgetLocations, resources.getString(R.string.display_widgetlocations_default)).commit();
      }
      
      //Update with counts
      ((WidgetLocationsPreference)this.findPreference(widgetLocations)).setIconCounts(rows, cols);
    }
    }

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    final Resources resources = this.getResources();
    
    switch (item.getItemId()) {
      case R.id.menu_reset:
        (new AlertDialog.Builder(this))
          .setMessage(resources.getString(R.string.reset_all))
          .setCancelable(false)
          .setPositiveButton(resources.getString(R.string.yes), new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
              Preferences.this.loadDisplayAndGameDefaults();
              Preferences.this.loadColorDefaults();
              
              Toast.makeText(Preferences.this, resources.getString(R.string.reset_all_toast), Toast.LENGTH_LONG).show();
            }
          })
          .setNegativeButton(resources.getString(R.string.no), null)
          .show();
        return true;
        
      default:
        return super.onOptionsItemSelected(item);
    }
  }

  @Override
  protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) {
    if (resultCode == Activity.RESULT_OK) {
      final Resources resources = this.getResources();
      
      switch (requestCode) {
        case Preferences.SELECT_BACKGROUND:
          //Store the string value of the background image
            this.getPreferenceManager().getSharedPreferences().edit().putString(resources.getString(R.string.settings_color_bgimage_key), data.getDataString()).commit();
            Toast.makeText(this, R.string.settings_color_bgimage_toast, Toast.LENGTH_SHORT).show();
          break;
          
        default:
          super.onActivityResult(requestCode, resultCode, data);
      }
    }
  }

  /**
   * Launch an intent to send an email.
   */
  private void infoEmail() {
        final Resources resources = this.getResources();
    final Intent intent = new Intent(Intent.ACTION_SEND);
    intent.setType("plain/text");
    intent.putExtra(Intent.EXTRA_EMAIL, new String[] { resources.getString(R.string.information_contact_email_data) });
    intent.putExtra(Intent.EXTRA_SUBJECT, resources.getString(R.string.title));
    
    this.startActivity(intent);
    }
    
  /**
   * Launch an intent to view twitter page.
   */
    private void infoTwitter() {
        final Resources resources = this.getResources();
    final Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(resources.getString(R.string.information_contact_twitter_data)));
    
    this.startActivity(intent);
    }
    
    /**
     * Launch an intent to view website.
     */
    private void infoWeb() {
        final Resources resources = this.getResources();
      final Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(resources.getString(R.string.information_contact_website_data)));
    
    this.startActivity(intent);
    }
    
    /**
     * Launch an intent to view other market applications.
     */
    private void infoMarket()
    {
        final Resources resources = this.getResources();
      final Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setData(Uri.parse(resources.getString(R.string.information_market_view_data)));
    
    this.startActivity(intent);
    }
    
    /**
     * Reset display preferences to their defaults.
     */
    private void loadDisplayAndGameDefaults() {
        final Resources resources = this.getResources();
      final SharedPreferences.Editor editor = Preferences.this.getPreferenceManager().getSharedPreferences().edit();

    //user controllable
    editor.remove(resources.getString(R.string.settings_game_usercontrol_key));
    //fps
    editor.remove(resources.getString(R.string.settings_display_fps_key));
    //blocky
    editor.remove(resources.getString(R.string.settings_display_isblocky_key));
    //show walls
    editor.remove(resources.getString(R.string.settings_display_showwalls_key));
    //icon rows
    editor.remove(resources.getString(R.string.settings_display_iconrows_key));
    //icon cols
    editor.remove(resources.getString(R.string.settings_display_iconcols_key));
    //icon row spacing
    editor.remove(resources.getString(R.string.settings_display_rowspacing_key));
    //icon col spacing
    editor.remove(resources.getString(R.string.settings_display_colspacing_key));
    //widget locations
    editor.remove(resources.getString(R.string.settings_display_widgetlocations_key));
    //padding top
    editor.remove(resources.getString(R.string.settings_display_padding_top_key));
    //padding bottom
    editor.remove(resources.getString(R.string.settings_display_padding_bottom_key));
    //padding left
    editor.remove(resources.getString(R.string.settings_display_padding_left_key));
    //padding right
    editor.remove(resources.getString(R.string.settings_display_padding_right_key));
  
    editor.commit();
    }
    
    /**
     * Reset color preferences to their defaults.
     */
    private void loadColorDefaults() {
        final Resources resources = this.getResources();
    final SharedPreferences.Editor editor = Preferences.this.getPreferenceManager().getSharedPreferences().edit();

    //background
    editor.remove(resources.getString(R.string.settings_color_background_key));
    //walls
    editor.remove(resources.getString(R.string.settings_color_walls_key));
    //background image
    editor.remove(resources.getString(R.string.settings_color_bgimage_key));
    //background opacity
    editor.remove(resources.getString(R.string.settings_color_bgopacity_key));
    //snake
    editor.remove(resources.getString(R.string.settings_color_snake_key));
    //apple
    editor.remove(resources.getString(R.string.settings_color_apple_key));
    
    editor.commit();
    }
}

Java Source Code List

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