这个确认发短信不用提示？

不行的
你可以看看http://wiki.forum.nokia.com/index.php/MIDP_2.0_API_access_rights
-表示没有选项选的，所以不行的，还是得用户确认。

补充一下:支持Midp2.1的手机应该行，不过我没用过支持midp2.1的

<div class="quote_title">怎么导读后面的链接都是找不到的？<br>
</div>
<div class="quote_title">fonter 写道</div>
<div class="quote_div">
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span>以下是我们的客户已经测试的支持的手机型号</span><span lang="EN-US">(</span><span>没有测试所有型号！</span><span lang="EN-US">):</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">VeriSign Java</span><span>代码签名证书，</span><span lang="EN-US">VeriSign Java</span><span>对</span><span lang="EN-US">Nokia</span><span>支持比较好：</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">3220</span><span>，</span><span lang="EN-US">3230, 3250, 6080, 6600, 6630, 6260, </span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">6670, 6680, 6681, 7610, 7370, E50, E62, N91, N93,<span>? </span>N70</span><span>，</span><span lang="EN-US">N71, N72, N73, N7610</span><span>等。</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">Thawte Java</span><span>代码签名证书，</span><span lang="EN-US">Thawte Java</span><span>对</span><span lang="EN-US">SE</span><span>支持比较好：</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">6080</span><span>，</span><span lang="EN-US">7260</span><span>，</span><span lang="EN-US">3250</span><span>，</span><span lang="EN-US">N91</span><span>，</span><span lang="EN-US">N73 , K700</span><span>、</span><span lang="EN-US">K550c</span><span>、</span><span lang="EN-US">K610c</span><span>、</span><span lang="EN-US">W710c</span><span>、</span><span lang="EN-US">W700c</span><span>、</span><span lang="EN-US">W800c<span>? </span>W810c<span>? </span>W600c<span>? </span>W550c<span>? </span>K600c </span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">K608c<span>? </span>K758c<span>? </span>K618<span>? </span>K620i<span>? </span>W610c<span>? </span>Z550c<span>? </span>Z558c<span>? </span>Z610i<span>? </span>Z710c Z800c<span>? </span>K790c<span>? </span>W850i<span>? </span>W900c<span>? </span>W888c <span>?</span>W830c<span>? </span></span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">K818c<span>? </span>K510c<span>? </span>W200c<span>? </span>W300c<span>? </span>K320i<span>? </span>K310c, K300</span><span>、</span><span lang="EN-US">S700</span><span>、</span><span lang="EN-US">K506</span><span>、</span><span lang="EN-US">W958C</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;">?</p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;">?</p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">导读</span></p>
<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US">S40平台播放多媒体时内存优化 <a href="http://fonter.iteye.com/blogs/413022">http://fonter.iteye.com/blogs/413022</a><br>SUN的J2ME源代码下载 <a href="http://fonter.iteye.com/blogs/412094">http://fonter.iteye.com/blogs/412094</a><br>J2ME也玩GZIP，哈哈！<a href="http://fonter.iteye.com/blogs/411284">http://fonter.iteye.com/blogs/411284</a><br>J2ME Tabbed Menu <a href="http://fonter.iteye.com/blogs/409982">http://fonter.iteye.com/blogs/409982</a><br>开源一个J2ME解析类 <a href="http://fonter.iteye.com/blogs/408385">http://fonter.iteye.com/blogs/408385</a></span></p>
</div>
<p>?</p>

谢谢你的提醒

这个安全机制写的不错，各位可以参考：http://www.wotrust.com/support/MIDP2_Security.htm