Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.util.Log;
import android.webkit.WebView;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;

import java.lang.reflect.Method;

public class Main {
    private static final String LOG_TAG = "ProxyUtils";

    @SuppressWarnings("all")
    private static boolean setProxyICS(WebView webview, String host, int port) {
        try {
            Class jwcjb = Class.forName("android.webkit.JWebCoreJavaBridge");
            Class params[] = new Class[1];
            params[0] = Class.forName("android.net.ProxyProperties");
            Method updateProxyInstance = jwcjb.getDeclaredMethod("updateProxy", params);

            Class wv = Class.forName("android.webkit.WebView");
            Field mWebViewCoreField = wv.getDeclaredField("mWebViewCore");
            Object mWebViewCoreFieldInstance = getFieldValueSafely(mWebViewCoreField, webview);

            Class wvc = Class.forName("android.webkit.WebViewCore");
            Field mBrowserFrameField = wvc.getDeclaredField("mBrowserFrame");
            Object mBrowserFrame = getFieldValueSafely(mBrowserFrameField, mWebViewCoreFieldInstance);

            Class bf = Class.forName("android.webkit.BrowserFrame");
            Field sJavaBridgeField = bf.getDeclaredField("sJavaBridge");
            Object sJavaBridge = getFieldValueSafely(sJavaBridgeField, mBrowserFrame);

            Class ppclass = Class.forName("android.net.ProxyProperties");
            Class pparams[] = new Class[3];
            pparams[0] = String.class;
            pparams[1] = int.class;
            pparams[2] = String.class;
            Constructor ppcont = ppclass.getConstructor(pparams);
            updateProxyInstance.invoke(sJavaBridge, ppcont.newInstance(host, port, null));
            Log.d(LOG_TAG, "Setting proxy with 4.0 API successful!");
            return true;
        } catch (Exception ex) {
            Log.e(LOG_TAG, "failed to set HTTP proxy: " + ex);
            return false;
        }
    }

    private static Object getFieldValueSafely(Field field, Object classInstance)
            throws IllegalArgumentException, IllegalAccessException {
        boolean oldAccessibleValue = field.isAccessible();
        field.setAccessible(true);
        Object result = field.get(classInstance);
        field.setAccessible(oldAccessibleValue);
        return result;
    }
}