SharedPreferences工具類SPHepler

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

public class SPHepler {
    private static Context context;
    private static SPHepler util;

public static SPHepler getInstance(Context mcontext) {
    context=mcontext;
    if (util == null) {
        util = new SPHepler();

    }
    return util;

}

private SPHepler() {
    super();
}

private String name = context.getPackageName();

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public int getInt(String key) {

    SharedPreferences sp = context.getSharedPreferences(name,
            Context.MODE_PRIVATE);

    return sp.getInt(key, 0);
}

public void setInt(String key, int num) {

    SharedPreferences sp = context.getSharedPreferences(name,
            Context.MODE_PRIVATE);
    Editor editor = sp.edit();
    editor.putInt(key, num);
    editor.commit();

}

public String getString(String key) {

    SharedPreferences sp = context.getSharedPreferences(name,
            Context.MODE_PRIVATE);

    return sp.getString(key, "");
}

public void setString(String key, String str) {

    SharedPreferences sp = context.getSharedPreferences(name,
            Context.MODE_PRIVATE);
    Editor editor = sp.edit();
    editor.putString(key, str);

    editor.commit();

}

}</pre>