Android Open Source - simple-dash Settings Activity

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License

The source code is released under:

MIT License

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Java Source Code

package org.bmdtech.simpledash.activity;
/*from  w w w  . j a v a2  s. com*/
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.support.annotation.NonNull;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;

import org.bmdtech.simpledash.R;

public class SettingsActivity extends ActionBarActivity {

    public static final String IP_ADDRESS = "pref_key_ip_address";
    public static final String PORT = "pref_key_port";

    public static final String REDLINE_FROM_IRACING = "pref_key_redline_iracing";
    public static final String RPM_REDLINE = "pref_key_rpm_redline";

    public static final String RPM_INCREMENT = "pref_key_rpm_increment";

    public static final String SPEED_UNITS = "pref_key_speed_units";


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

        // Display the fragment as the main content.
        getFragmentManager().beginTransaction()
                .replace(android.R.id.content, new SettingsFragment())
                .commit();

        // for some reason without this call the settings page would be empty
        getSupportActionBar();
    }

    public static class SettingsFragment extends PreferenceFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            // Load the preferences from an XML resource
            addPreferencesFromResource(R.xml.preferences);

            toggleRPMRedlineVisibility(findPreference(REDLINE_FROM_IRACING));
        }

        @Override
        public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, @NonNull Preference preference) {
            toggleRPMRedlineVisibility(preference);

            return super.onPreferenceTreeClick(preferenceScreen, preference);
        }

        private void toggleRPMRedlineVisibility(Preference preference) {
            if (preference.getKey().equals(REDLINE_FROM_IRACING)) {
                CheckBoxPreference redlineFromIracing = (CheckBoxPreference) preference;
                findPreference(RPM_REDLINE).setEnabled(!redlineFromIracing.isChecked());
            }
        }
    }
}

Java Source Code List