Android Open Source - MorseStraightKey-Android Morse Keyboard Settings

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From Project

Back to project page MorseStraightKey-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.savanto.morsekeyboard;
/*w  w  w . j  av  a 2s . c o m*/
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;


public class MorseKeyboardSettings extends PreferenceActivity implements OnSharedPreferenceChangeListener
{
  private SharedPreferences prefs;

  private SeekBarPreference dah;
  private SeekBarPreference shortGap;
  private SeekBarPreference mediumGap;

  private CheckBoxPreference autoshift;
  private CheckBoxPreference autocaps;

  @SuppressWarnings("deprecation")
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);

    // Add preferences from resources
    this.addPreferencesFromResource(R.xml.settings);
    PreferenceManager.setDefaultValues(this, R.xml.settings, false);

    // Get references to the preferences
    this.dah = (SeekBarPreference) this.getPreferenceScreen().findPreference(this.getText(R.string.pref_key_dah));
    this.shortGap = (SeekBarPreference) this.getPreferenceScreen().findPreference(this.getText(R.string.pref_key_short_gap));
    this.mediumGap = (SeekBarPreference) this.getPreferenceScreen().findPreference(this.getText(R.string.pref_key_medium_gap));

    this.autoshift = (CheckBoxPreference) this.getPreferenceScreen().findPreference(this.getText(R.string.pref_key_autoshift));
    this.autocaps = (CheckBoxPreference) this.getPreferenceScreen().findPreference(this.getText(R.string.pref_key_autocaps));

    // Get the shared preferences
    this.prefs = PreferenceManager.getDefaultSharedPreferences(this);
  }

  @Override
  protected void onResume()
  {
    super.onResume();

    // Set initial dynamic summary values of preferences
    this.dah.setSummary(Long.toString(this.prefs.getLong(this.dah.getKey(),
        this.dah.getDefaultValue())) + this.dah.getUnits());
    this.shortGap.setSummary(Long.toString(this.prefs.getLong(this.shortGap.getKey(),
        this.shortGap.getDefaultValue())) + this.shortGap.getUnits());
    this.mediumGap.setSummary(Long.toString(this.prefs.getLong(this.mediumGap.getKey(),
        this.mediumGap.getDefaultValue())) + this.mediumGap.getUnits());

    // Set initial capitalization checkboxes to exclude eachother
    this.autoshift.setEnabled(! this.autocaps.isChecked());
    this.autocaps.setEnabled(! this.autoshift.isChecked());

    // Register listener for preference changes to update summaries
    this.prefs.registerOnSharedPreferenceChangeListener(this);
  }

  @Override
  protected void onPause()
  {
    super.onPause();

    // Unregister preference change listener
    this.prefs.unregisterOnSharedPreferenceChangeListener(this);
  }

  @SuppressWarnings("deprecation")
  @Override
  public void onSharedPreferenceChanged(SharedPreferences prefs, String key)
  {
    Preference pref = this.findPreference(key);
    if (pref instanceof SeekBarPreference)
    {
      SeekBarPreference seekBarPref = (SeekBarPreference) pref;
      pref.setSummary(Integer.toString(seekBarPref.getProgress()) + seekBarPref.getUnits());
    }
    else if (key == this.getString(R.string.pref_key_autoshift))
    {
      if (this.autoshift.isChecked())
      {
        this.autocaps.setChecked(false);
        this.autocaps.setEnabled(false);
      }
      else
        this.autocaps.setEnabled(true);
    }
    else if (key == this.getString(R.string.pref_key_autocaps))
    {
      if (this.autocaps.isChecked())
      {
        this.autoshift.setChecked(false);
        this.autoshift.setEnabled(false);
      }
      else
        this.autoshift.setEnabled(true);
    }
  }
}

Java Source Code List

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