修复一些bug

fix some bug

Author: Monkeylord

app/build.gradle

@@ -8,7 +8,7 @@ android {
         minSdkVersion 19
         targetSdkVersion 26
         versionCode 2
-        versionName "0.7.2"
+        versionName "0.7.3"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

app/src/main/java/monkeylord/XServer/XServer.java

@@ -115,7 +115,7 @@ public XServer(int port, Hashtable<String, Operation> route) {
         }
         ClassHandler.classLoaders.put("default-"+classLoader.hashCode(),classLoader);
         ClassHandler.monitorClassloaders(classLoader);
-        ClassHandler.classLoaders.put("application-"+getCurrentApplication().getClassLoader().hashCode(),getCurrentApplication().getClassLoader());
+        if(getCurrentApplication()!=null)ClassHandler.classLoaders.put("application-"+getCurrentApplication().getClassLoader().hashCode(),getCurrentApplication().getClassLoader());
     }
 
     @Override

app/src/main/java/monkeylord/XServer/handler/ClassHandler.java

@@ -20,7 +20,7 @@
 public class ClassHandler {
     public static HashMap<String, ClassLoader> classLoaders = new HashMap<>();
 
-    public static boolean monitorClassloaders(ClassLoader classLoader){
+    public static boolean monitorClassloaders(final ClassLoader classLoader){
         try {
             Class classLoaderClz = ClassLoader.class;
             Member m = classLoaderClz.getDeclaredConstructor(ClassLoader.class);
@@ -29,7 +29,7 @@ public static boolean monitorClassloaders(ClassLoader classLoader){
                 public void beforeHookedMethod(XServer_Param param) throws Throwable {
                     super.beforeHookedMethod(param);
                     classLoaders.put("classloader"+ param.thisObject.hashCode(), (ClassLoader) param.thisObject);
-                    classLoaders.put("classloader"+ ((ClassLoader) param.thisObject).getParent().hashCode(), (ClassLoader) ((ClassLoader) param.thisObject).getParent());
+                    if(((ClassLoader) param.thisObject).getParent()!=null)classLoaders.put("classloader"+ ((ClassLoader) param.thisObject).getParent().hashCode(), (ClassLoader) ((ClassLoader) param.thisObject).getParent());
                 }
             });
             return true;