PreferencesMenuScreen.java :  » Game » su-battleships » com » su » android » battleship » ui » Android Open Source

package com.su.android.battleship.ui;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

import com.su.android.battleship.R;
import com.su.android.battleship.cfg.GameDifficulty;
import com.su.android.battleship.cfg.GamePreferences;

/**
 * Menu screen for changing game preferences
 * @author Ivaylo Stoykov
 *
 */
public class PreferencesMenuScreen extends Activity implements OnClickListener {

  
  private boolean mHasVibration;
  private GameDifficulty mGameDifficulty;
  
  private Button mButtonSound;
  private Button mButtonVibration;
  private Button mButtonDifficulty;
  private Button mButtonApply;
  private Button mButtonBack;
  
  private String mNickname;
  private EditText mTextViewNickname;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.preferences);        
    
    mButtonSound = (Button) findViewById(R.id.ButtonSound);
    mButtonSound.setOnClickListener(this);
    
    mButtonVibration = (Button) findViewById(R.id.ButtonVibration);
    mButtonVibration.setOnClickListener(this);
    
    mButtonDifficulty = (Button) findViewById(R.id.ButtonDifficulty);
    mButtonDifficulty.setOnClickListener(this);
    
    mButtonApply = (Button) findViewById(R.id.ButtonApplyPrefs);
    mButtonApply.setOnClickListener(this);
    
    mButtonBack = (Button) findViewById(R.id.ButtonBack);
    mButtonBack.setOnClickListener(this);
    
    mTextViewNickname = (EditText) findViewById(R.id.Nickname); 
    
    String[] oldState = null;
    if (savedInstanceState != null) {
      oldState = savedInstanceState.getStringArray(GamePreferences.BUNDLE_STATE);
    }
    
    if (oldState == null) {
//      mHasSound = (Boolean) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_SOUND);
      mHasVibration = (Boolean) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_VIBRATION);
      mGameDifficulty = (GameDifficulty) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_DIFFICULTY);
      mNickname = (String) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_NICKNAME);
      //mNickname = "yeah";
    }    
    else {
      try {
//        mHasSound = Boolean.parseBoolean(oldState[0]);
        mHasVibration = Boolean.parseBoolean(oldState[1]);
        mGameDifficulty = GameDifficulty.valueOf(oldState[2]);
        mNickname = (String)oldState[3];
      } catch (Exception e) {
        e.printStackTrace();
//        mHasSound = (Boolean) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_SOUND);
        mHasVibration = (Boolean) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_VIBRATION);
        mGameDifficulty = (GameDifficulty) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_DIFFICULTY);
        mNickname = (String) GamePreferences.getPreference(this, GamePreferences.PREFERENCE_NICKNAME);
      }
    }
        
//    setSoundButtonText();
    setVibrationButtonText();
    setDifficultyButtonText();
    setNicknameText();
    
  }

  /**
   * Called when a menu button has been clicked
   * 
   * @param button  menu button instance
   */
  public void onClick(View button) {
    switch (button.getId()) {
    case R.id.ButtonSound:
      Intent intentSoundOptions = new Intent(this, SoundOptions.class);
      startActivity(intentSoundOptions);      
      break;
    case R.id.ButtonVibration:
      mHasVibration = !mHasVibration;
      setVibrationButtonText();
      break;
    case R.id.ButtonDifficulty:
      GameDifficulty[] list = GameDifficulty.values();
      for (int i = 0; i < list.length; i++) {
        if (list[i].equals(mGameDifficulty)) {
          if (i == (list.length - 1)) {
            mGameDifficulty = list[0];
          } else {
            mGameDifficulty = list[i + 1];
          }
          break;
        }
      }
      setDifficultyButtonText();
      break;
    case R.id.ButtonApplyPrefs:
      mNickname = mTextViewNickname.getText().toString();
      saveState();
      finish();
      break;
    case R.id.ButtonBack:
      finish();
      break;
    }
  }
  
  private void saveState() {
//    GamePreferences.setPreference(this, GamePreferences.PREFERENCE_SOUND, mHasSound);
    GamePreferences.setPreference(this, GamePreferences.PREFERENCE_VIBRATION, mHasVibration);
    GamePreferences.setPreference(this, GamePreferences.PREFERENCE_DIFFICULTY, mGameDifficulty);
    GamePreferences.setPreference(this, GamePreferences.PREFERENCE_NICKNAME, mNickname);
    
    GamePreferences.savePreferences(this);
  }
  
  /**
   * The settings are saved in a Bundle.
   * When the application become active again the settings will be
   * loaded from the bundle
   */
  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putStringArray(GamePreferences.BUNDLE_STATE, new String[] { mHasVibration + "", mGameDifficulty.toString()});
  }

  
  
  /**
   * Not final. Experimental UI
   */
  private void setVibrationButtonText() {
    mButtonVibration.setText("Vibration " + (mHasVibration?"[on]":"[off]"));
  }
  
  /**
   * Not final. Experimental UI
   */
  private void setDifficultyButtonText() {
    mButtonDifficulty.setText("Difficulty [" + mGameDifficulty.toString().toLowerCase() + "]");    
  }
  
  private void setNicknameText() {
    mTextViewNickname.setText(mNickname);

  }
}