无线或网络未连接时跳到设置界面

/*     * 判断网络连接是否已开     * 2012-08-20     * true 已打开  false 未打开     * */    public static boolean isConn(Context context){        boolean bisConnFlag=false;        ConnectivityManager conManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo network = conManager.getActiveNetworkInfo();        if(network!=null){            bisConnFlag=conManager.getActiveNetworkInfo().isAvailable();        }        return bisConnFlag;    }    /*    * 打开设置网络界面    * */    public static void setNetworkMethod(final Context context){        //提示对话框        AlertDialog.Builder builder=new AlertDialog.Builder(context);        builder.setTitle("网络设置提示").setMessage("网络连接不可用,是否进行设置?").setPositiveButton("设置", new DialogInterface.OnClickListener() {            @Override            public void onClick(DialogInterface dialog, int which) {                // TODO Auto-generated method stub                Intent intent=null;                //判断手机系统的版本  即API大于10 就是3.0或以上版本                if(android.os.Build.VERSION.SDK_INT>10){                    intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);                }else{                    intent = new Intent();                    ComponentName component = new ComponentName("com.android.settings","com.android.settings.WirelessSettings");                    intent.setComponent(component);                    intent.setAction("android.intent.action.VIEW");                }                context.startActivity(intent);            }        }).setNegativeButton("取消", new DialogInterface.OnClickListener() {            @Override            public void onClick(DialogInterface dialog, int which) {                // TODO Auto-generated method stub                dialog.dismiss();            }        }).show();