tried to access method android.support.v4.net.ConnectivityManagerCompat.<init>

来源：互联网发布：win7 64 windows文件夹编辑：程序博客网时间：2024/06/05 10:45

情况如下：

学习Facebook的ReactNative，将js代码加入到已有的Android代码中。使用AndroidStudio编辑，报错如下：

E/AndroidRuntime: 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:856)
                                                                                      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:793)
                                                                                         at com.facebook.react.ReactInstanceManagerImpl.createReactContext(ReactInstanceManagerImpl.java:730)
                                                                                         at com.facebook.react.ReactInstanceManagerImpl.access$600(ReactInstanceManagerImpl.java:91)
                                                                                         at com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:184)
                                                                                         at com.facebook.react.ReactInstanceManagerImpl$ReactContextInitAsyncTask.doInBackground(ReactInstanceManagerImpl.java:169)
                                                                                         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:856)

原因是Android support v7有些版本会与ReactNative包冲突，一开始使用的是

compile 'com.android.support:appcompat-v7:23.2.1'compile 'com.facebook.react:react-native:0.20.+'

都是最新的版本，但是相互冲突，后来更改为

compile 'com.android.support:appcompat-v7:23.1.+'compile 'com.facebook.react:react-native:0.20.+'

问题不在出现。

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