小编Her*_*age的帖子

我会尽力解释我的问题并提供足够的信息来展示细节.首先,粘贴错误日志(FATAL EXCEPTION: AsyncTask #1 java.lang.RuntimeException: An error occured while executing doInBackground()):

FATAL EXCEPTION: AsyncTask #1 java.lang.RuntimeException: An error occured while executing doInBackground()
                                                                                          at android.os.AsyncTask$3.done(AsyncTask.java:299)
                                                                                          at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
                                                                                          at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
                                                                                          at java.util.concurrent.FutureTask.run(FutureTask.java:239)
                                                                                          at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
                                                                                          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
                                                                                          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
                                                                                          at java.lang.Thread.run(Thread.java:841)
                                                                                       Caused by: java.lang.IllegalAccessError: tried to access method android.support.v4.net.ConnectivityManagerCompat.<init>:(Lcom/facebook/react/bridge/ReactApplicationContext;)V from class com.facebook.react.modules.netinfo.NetInfoModule
                                                                                          at com.facebook.react.modules.netinfo.NetInfoModule.<init>(NetInfoModule.java:55)
                                                                                          at com.facebook.react.shell.MainReactPackage.createNativeModules(MainReactPackage.java:67)
                                                                                          at com.facebook.react.ReactInstanceManagerImpl.processPackage(ReactInstanceManagerImpl.java:751)
                                                                                          at com.facebook.react.ReactInstanceManagerImpl.createReactContext(ReactInstanceManagerImpl.java:688)
                                                                                          at com.facebook.react.ReactInstanceManagerImpl.access$600(ReactInstanceManagerImpl.java:84)
                                                                                          at com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:177)
                                                                                          at com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:162)
                                                                                          at android.os.AsyncTask$2.call(AsyncTask.java:287)
                                                                                          at java.util.concurrent.FutureTask.run(FutureTask.java:234)
                                                                                          at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 
                                                                                          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 
                                                                                          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 
                                                                                          at java.lang.Thread.run(Thread.java:841)

我的项目结构:

android依赖项:

dependencies …

我的Java加密/解密算法的完整代码：

public class AESEncryptUtil {

    private static AESEncryptUtil instance = new AESEncryptUtil();
    private String password = "123456";
    private Key key;
    private Cipher cipher;

    public AESEncryptUtil(){
        try {
            KeyGenerator kgen = KeyGenerator.getInstance("AES");
            kgen.init(128, new SecureRandom(password.getBytes()));
            SecretKey secretKey = kgen.generateKey();
            byte[] enCodeFormat = secretKey.getEncoded();
            key = new SecretKeySpec(enCodeFormat, "AES");
            cipher = Cipher.getInstance("AES");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static byte[] encrypt(String content) throws Exception {
        byte[] byteContent = content.getBytes("utf-8");
        instance.cipher.init(Cipher.ENCRYPT_MODE, instance.key);
        byte[] result = instance.cipher.doFinal(byteContent);
        return result;
    }
    public …