fix:修复一个crash问题

Author: darkal

app/build.gradle

@@ -26,7 +26,7 @@ android {
         minSdkVersion 14
         targetSdkVersion 22
         versionCode 25
-        versionName "2.4.25"
+        versionName "2.4.26"
         // Enabling multidex support.
         multiDexEnabled true
         resConfigs "zh"

app/src/main/java/cn/darkal/networkdiagnosis/Fragment/WebViewFragment.java

@@ -272,12 +272,13 @@ public void onReceive(Context context, Intent intent) {
     }
 
     public void loadUrl(String url) {
-        if (!isSetProxy) {
-            ProxyUtils.setProxy(webView, "127.0.0.1", SysApplication.proxyPort);
-            Log.e("~~~~", "initProxyWebView()");
-            isSetProxy = true;
-        }
         if (webView != null) {
+            if (!isSetProxy) {
+                ProxyUtils.setProxy(webView, "127.0.0.1", SysApplication.proxyPort);
+                Log.e("~~~~", "initProxyWebView()");
+                isSetProxy = true;
+            }
+
             if (!url.startsWith("http://") && !url.startsWith("https://")) {
                 url = "http://" + url;
             }

app/src/main/java/cn/darkal/networkdiagnosis/Utils/ProxyUtils.java

@@ -35,7 +35,7 @@ public static boolean setProxy(WebView webview, String host, int port) {
         } else if (sdkInt < Build.VERSION_CODES.LOLLIPOP) {
             return setProxyKK(webview, host, port, "android.app.Application");
         } else {
-            return webview.getContext() != null && setProxyLollipop(webview.getContext(), host, port);
+            return webview != null && setProxyLollipop(webview.getContext(), host, port);
         }
     }