Android.permission.MODIFY_PHONE_STATE权限问题解决办法

android.permission.modify_phone_state权限限制已经改为系统权限 

普通应用程序已经无法调用

所以网上找到的那些如何使用android.permission.modify_phone_state的文章  均已失效

但仍有引用的办法

就是让你的程序程序系统程序

一种就是预制到rom中

另一种就是使用系统签名

第一种我已经试验通过，第二种还有待验证。

also, just to save everyone some searching. i've been researching this and here's what happened:

david marked the permission modify_phone_state as signatureorsystem. that means only apps installed to the /system folder or signed with the certificate used to build the phone (i.e. your phone's manufacturer) will be able to use the permission.

as a developer, if you are using the permission there is no work around... unless you can convince every manufacturer to include your app as a preinstalled bloatware.

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