Easy way to add/remove Android preferences.

EasyPref.java

import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;

public enum EasyPref {

    AString,
    ABoolean,
    AInt,

    ;

    private static SharedPreferences sp;

    /**
      Initialize from application class.
    */
    public static void init(Application application) {
        Context applicationContext = application.getApplicationContext();
        sp = applicationContext
                .getSharedPreferences(
                        applicationContext.getPackageName(), Context.MODE_PRIVATE);
    }
    
    
    public void clearAll() {
        edit().clear().commit();
    }

    public void remove() {
        edit().remove(name()).commit();
    }

    public String getString() {
        return getString(null);
    }

    public int getInt() {
        return getInt(-1);
    }

    public boolean getBoolean() {
        return getBoolean(false);
    }

    public String getString(String defValue) {
        if (sp == null) return defValue;
        return sp.getString(name(), null);
    }

    public int getInt(int defValue) {
        if (sp == null) return defValue;
        return sp.getInt(name(), defValue);
    }

    public boolean getBoolean(boolean defValue) {
        if (sp == null) return defValue;
        return sp.getBoolean(name(), defValue);
    }

    public void put(String value) {
        if (sp != null)
            edit().putString(name(), value).commit();
    }

    public void put(int value) {
        if (sp != null)
            edit().putInt(name(), value).commit();
    }

    public void put(boolean value) {
        if (sp != null)
            edit().putBoolean(name(), value).commit();
    }

    private SharedPreferences.Editor edit() {
        return sp.edit();
    }

}