在Android System Webview的最后一次更新(2018年5月30日)之后,代理设置停止了为我工作,代理不再适用于webview.在其他具有代理的浏览器中,它具有相同的效果,代理不设置,阻止的网站无法打开,ip不会更改.返回的错误是主机无解析器或连接失败.
我的设备是Nexus 5X,Android 8.1.0.其他人是否面临同样的问题?
我用它来设置代理:
private static boolean setProxyKKPlus(WebView webView, String host, int port, String applicationClassName) {
Log.d(LOG_TAG, "Setting proxy with >= 4.4 API.");
Context appContext = webView.getContext().getApplicationContext();
System.setProperty("http.proxyHost", host);
System.setProperty("http.proxyPort", port + "");
System.setProperty("https.proxyHost", host);
System.setProperty("https.proxyPort", port + "");
try {
Class applictionCls = Class.forName(applicationClassName);
Field loadedApkField = applictionCls.getField("mloadedApk");
loadedApkField.setAccessible(true);
Object loadedApk = loadedApkField.get(appContext);
Class loadedApkCls = Class.forName("android.app.LoadedApk");
Field receiversField = loadedApkCls.getDeclaredField("mReceivers");
receiversField.setAccessible(true);
ArrayMap receivers = (ArrayMap) receiversField.get(loadedApk);
for (Object receiverMap : receivers.values()) {
for (Object rec : ((ArrayMap) receiverMap).keySet()) {
Class clazz = rec.getClass();
if (clazz.getName().contains("Proxychangelistener")) {
Method onReceiveMethod = clazz.getDeclaredMethod("onReceive", Context.class, Intent.class);
Intent intent = new Intent("android.intent.action.PROXY_CHANGE");
onReceiveMethod.invoke(rec, appContext, intent);
}
}
}
Log.d(LOG_TAG, "Setting proxy with >= 4.4 API successful!");
return true;
} catch (Exception e) {
StringWriter sw = new StringWriter();
e.printstacktrace(new PrintWriter(sw));
String exceptionAsstring = sw.toString();
Log.v(LOG_TAG, e.getMessage());
Log.v(LOG_TAG, exceptionAsstring);
}
return false;
}
解决方法:
此代码适用于我的环境(Chrome 67 Android 7.0)
for (Object receiverMap : receivers.values()) {
for (Object rec : ((ArrayMap) receiverMap).keySet()) {
Class clazz = rec.getClass();
boolean targetReceiverFound = false;
if (clazz.getName().contains("Proxychangelistener")) {
targetReceiverFound = true;
} else {
final Field[] obfuscatedFields = clazz.getDeclaredFields();
for (Field f : obfuscatedFields) {
if (f.getType().getName().contains("Proxychangelistener")) {
targetReceiverFound = true;
break;
}
}
}
if (targetReceiverFound) {
// invoke onReceive() here
}
}
}
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