Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/java/311.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/5/objective-c/22.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java 如何从本机(android和iOS)访问react本机异步存储数据?_Java_Objective C_React Native_Asyncstorage - Fatal编程技术网

Java 如何从本机(android和iOS)访问react本机异步存储数据?

Java 如何从本机(android和iOS)访问react本机异步存储数据?,java,objective-c,react-native,asyncstorage,Java,Objective C,React Native,Asyncstorage,我需要从本机代码中获取应用程序数据,本机代码由asyncstorage存储在react native中。有没有办法从本机代码中获取asyncstorage数据?您可以使用两个类在android上执行读取操作:AsyncLocalStorageUtil和ReactDatabaseSupplier import com.reactnativecommunity.asyncstorage.AsyncLocalStorageUtil; import com.reactnativecommunity.as

我需要从本机代码中获取应用程序数据,本机代码由asyncstorage存储在react native中。有没有办法从本机代码中获取asyncstorage数据?

您可以使用两个类在android上执行读取操作:AsyncLocalStorageUtil和ReactDatabaseSupplier

import com.reactnativecommunity.asyncstorage.AsyncLocalStorageUtil;
import com.reactnativecommunity.asyncstorage.ReactDatabaseSupplier;
String value = null;
SQLiteDatabase readableDatabase = ReactDatabaseSupplier.getInstance(context).getReadableDatabase();
try {
    id = AsyncLocalStorageUtil.getItemImpl(readableDatabase, "key");
} catch (JSONException | NullPointerException ignored) {}

readableDatabase.close();