用SharedPreferences写的存储工具类

最新推荐文章于 2025-03-21 10:04:40 发布

ministar丶

最新推荐文章于 2025-03-21 10:04:40 发布

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本文介绍了一个用于操作Android中SharedPreferences的实用工具类。该类提供了设置和获取不同数据类型的方法，如字符串、整数和布尔值等，便于开发者进行持久化存储。

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public class PersoninfoUtil {
    private Context context;
    public Context getContext() {
        return context;
    }
    public void setContext(Context context) {
        this.context = context;
    }
    public PersoninfoUtil(Context context) {
        this.context = context;
    }
    public void savePersistence(String name, String key, Integer value) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Editor editor = sharedPreferences.edit();
        editor.putInt(key, value);
        editor.commit();
    }
    public void savePersistence(String name, String key, String value) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Editor editor = sharedPreferences.edit();
        editor.putString(key, value);
        editor.commit();
    }
    public void savePersistence(String name, String key, Boolean value) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Editor editor = sharedPreferences.edit();
        editor.putBoolean(key, value);
        editor.commit();
    }
    public String getPersistenceString(String name, String key) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        String value = sharedPreferences.getString(key, "null");
        return value;
    }
    public Boolean getPersistenceBoolean(String name, String key) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Boolean value = sharedPreferences.getBoolean(key, false);
        return value;
    }
    public Integer getPersistenceInteger(String name, String key) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Integer value = sharedPreferences.getInt(key, -1);
        return value;
    }
}