Android Context Set setWebkitProxyGingerbread(Context ctx, String host, int port)

Description

Override WebKit Proxy settings

Parameter

Parameter	Description
ctx	Android ApplicationContext
host	a parameter
port	a parameter

Return

true if Proxy was successfully set

Declaration

private static boolean setWebkitProxyGingerbread(Context ctx,
        String host, int port) throws Exception 

Method Source Code

//package com.java2s;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import org.apache.http.HttpHost;

import android.content.Context;

public class Main {
    /**// w  w w  .  j a  v a 2 s .  com
     * Override WebKit Proxy settings
     *
     * @param ctx Android ApplicationContext
     * @param host
     * @param port
     * @return  true if Proxy was successfully set
     */
    private static boolean setWebkitProxyGingerbread(Context ctx,
            String host, int port) throws Exception {
        boolean ret = false;

        Object requestQueueObject = getRequestQueue(ctx);
        if (requestQueueObject != null) {
            //Create Proxy config object and set it into request Q
            HttpHost httpHost = new HttpHost(host, port, "http");
            setDeclaredField(requestQueueObject, "mProxyHost", httpHost);
            return true;
        }
        return false;

    }

    public static Object getRequestQueue(Context ctx) throws Exception {
        Object ret = null;
        Class networkClass = Class.forName("android.webkit.Network");
        if (networkClass != null) {
            Object networkObj = invokeMethod(networkClass, "getInstance",
                    new Object[] { ctx }, Context.class);
            if (networkObj != null) {
                ret = getDeclaredField(networkObj, "mRequestQueue");
            }
        }
        return ret;
    }

    private static void setDeclaredField(Object obj, String name,
            Object value) throws SecurityException, NoSuchFieldException,
            IllegalArgumentException, IllegalAccessException {
        Field f = obj.getClass().getDeclaredField(name);
        f.setAccessible(true);
        f.set(obj, value);
    }

    private static Object invokeMethod(Object object, String methodName,
            Object[] params, Class... types) throws Exception {
        Object out = null;
        Class c = object instanceof Class ? (Class) object : object
                .getClass();
        if (types != null) {
            Method method = c.getMethod(methodName, types);
            out = method.invoke(object, params);
        } else {
            Method method = c.getMethod(methodName);
            out = method.invoke(object);
        }
        //System.out.println(object.getClass().getName() + "." + methodName + "() = "+ out);
        return out;
    }

    private static Object getDeclaredField(Object obj, String name)
            throws SecurityException, NoSuchFieldException,
            IllegalArgumentException, IllegalAccessException {
        Field f = obj.getClass().getDeclaredField(name);
        f.setAccessible(true);
        Object out = f.get(obj);
        //System.out.println(obj.getClass().getName() + "." + name + " = "+ out);
        return out;
    }
}

Related

1. setDefaultLocale(Context context, String locale)
2. setLanguage(Context context, String language)
3. setProxy(Context ctx)
4. setProxy(Context ctx, String host, int port)
5. setRevokedPermissions(String packageName, String[] permissions, Context ctx)
6. setWebkitProxyICS(Context ctx, String host, int port)
7. setWelcomeShown(final Context ctx)