Android Open Source - shiftknob-android Settings Activity

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License

The source code is released under:

Copyright (c) 2013 Ford Motor Company All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...

Java Source Code

package com.openxc.shiftindicator;
/*  ww  w . ja v  a 2  s .  c  om*/
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.util.Log;

public class SettingsActivity extends PreferenceActivity implements 
            SharedPreferences.OnSharedPreferenceChangeListener{

    public static final String KEY_PREF_OPERATION_MODE = "pref_operation_mode";
    public static final String KEY_PREF_SHIFT_POINT = "pref_shift_point";
    public static final String KEY_PREF_CALCULATION = "pref_calculation_mode";
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.settings);
        updatePreferenceScreen();
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPref, String key) {
        // TODO Auto-generated method stub
        if (key.equals(KEY_PREF_OPERATION_MODE)) {
            Preference shiftPointPref = findPreference(KEY_PREF_SHIFT_POINT);
            Preference algorithmPref = findPreference(KEY_PREF_CALCULATION);
            if (sharedPref.getBoolean(key, false)) {
                shiftPointPref.setEnabled(true);
                algorithmPref.setEnabled(false);
            } else {
                shiftPointPref.setEnabled(false);
                algorithmPref.setEnabled(true);
            }
           
        } else if (key.equals(KEY_PREF_SHIFT_POINT)) {
            Preference shiftPointPref = findPreference(KEY_PREF_SHIFT_POINT);
            shiftPointPref.setSummary(sharedPref.getString(KEY_PREF_SHIFT_POINT, "")+" RPM");
            int shiftPoint = Integer.parseInt(sharedPref.getString(KEY_PREF_SHIFT_POINT, ""));
            MainActivity.setShiftPoint(shiftPoint);
        }
    }
    
    public void updatePreferenceScreen() {
        SharedPreferences operationPref = findPreference(KEY_PREF_OPERATION_MODE).getSharedPreferences();
        Preference shiftPointPref = findPreference(KEY_PREF_SHIFT_POINT);
        Preference algorithmPref = findPreference(KEY_PREF_CALCULATION);
        if (operationPref.getBoolean(KEY_PREF_OPERATION_MODE, false)) {
            shiftPointPref.setEnabled(true);
            algorithmPref.setEnabled(false);
        } else {
            shiftPointPref.setEnabled(false);
            algorithmPref.setEnabled(true);
        }
        shiftPointPref.setSummary(operationPref.getString(KEY_PREF_SHIFT_POINT, "")+" RPM");
    }
    
    @Override
    protected void onResume() {
        super.onResume();
        getPreferenceScreen().getSharedPreferences()
                .registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        getPreferenceScreen().getSharedPreferences()
                .unregisterOnSharedPreferenceChangeListener(this);
    }
}

Java Source Code List

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