how to use Properties and File to Save Data

原创于 2013-01-28 14:18:31 发布 · 529 阅读

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本文详细介绍了在Android应用中使用Properties和File类来保存和加载数据的方法，包括加载和存储数据的具体步骤以及文件路径的设置。

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how to use Properties and File to Save Data

the file is saved to /data/data/yourappname/files

//new a Properties object

//show how to load value
Properties properties = new Properties();
try{
    FileInputSteam stream = this.openFileInput("filepath.cfg");
    properties.load(steam);
}catch (FileNotFoundException e)
{

}catch(IOException e){

}
Boolean bValue = Boolean.valueof(properties.get("bValueName").toString());

//show how to store value
Properties properties = new Properties();
properties.put("bValueName",String.valueOf(bValue));
try{
    FileOutputStream steam = this.openFileOutput("filepath.cfg",Context.MODE_WORLD_WRITEABLE);
     properties.store(steam,"");
}catch (FileNotFoundException e)
{

}catch(IOException e){

}

sharing files/data between two apps.