Method readFileString

frameworks/base/core/java/android/app/Aupk.java:442–462

读取配置文件

(String fileName)

     * 读取配置文件
     */
    public static String readFileString(String fileName)
    {
        FileInputStream fis=null;
        try
        {
            File file = new File(fileName);
            fis = new FileInputStream(file);
            int length = fis.available();
            byte[] buffer = new byte[length];
            fis.read(buffer);
            String str = new String(buffer);
            fis.close();
            return str;
        }
        catch (Exception e)
        {
            //e.printStackTrace();
            //Log.e("AUPK", "ActivityThread:readFileString,read config file failed:" +e.getMessage()+";fileName:"+fileName);
        }
       return null;
    }

    private static native void native_fakeInvoke(Object method);
    private static native void mapToFile();