SharedPreferences跨应用读取数据

try {
c = this.createPackageContext(PREFERENCE_PACKAGE, Context.CONTEXT_IGNORE_SECURITY);

} catch (NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

SharedPreferences sharedPreferences = c.getSharedPreferences(PREFERENCE_NAME,Context.MODE_WORLD_READABLE|Context.MODE_MULTI_PROCESS);
    
String name = sharedPreferences.getString("Name","Tom");
int age = sharedPreferences.getInt("Age", 20);
float height = sharedPreferences.getFloat("Height",1.81f);