摘要: 通过packagemanager()的queryIntentAActivities(intent,0)的返回list长度来判断具体代码如下:PackageManager packageManager = getPackageManager();List activities = packageMan... 阅读全文
posted @ 2015-03-31 16:27 u3 阅读(189) 评论(0) 推荐(0) 编辑