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QQRK · November 21, 2015

How to hook the method with void and bool?I write like this, but I don't know why can't work.

#include <substrate.h>

%hook UserProfessionObj

-(void) setRed:(BOOL)a

{

return %orig(a);

a = TRUE;

}

%end

<dict>

<key>methodObjc</key>

<dict>

<key>className</key>

<string>UserProfessionObj</string>

<key>displayName</key>

<string>-(void) setRed:(BOOL)</string>

<key>prefix</key>

<key>selector</key>

<string>setRed:</string>

<key>typeEncoding</key>

</dict>

<string>Unit for -(void) setRed:(BOOL)</string>

<key>overrides</key>

<array>

<dict>

<key>argument</key>

<dict>

<key>subtype</key>

</dict>

<key>value</key>

<dict>

<key>value</key>

<true/>

</dict>

</array>

this is in flex method,please help me!!

ITz_kser · November 21, 2015

what is all these?

<dict>
<key>methodObjc</key>
<dict>
<key>className</key>
<string>UserProfessionObj</string>
<key>displayName</key>
<string>-(void) setRed:(BOOL)</string>
<key>prefix</key>
<string>-</string>
<key>selector</key>
<string>setRed:</string>
<key>typeEncoding</key>
<string>v12@0:4c8</string>
</dict>
<key>name</key>
<string>Unit for -(void) setRed:(BOOL)</string>
<key>overrides</key>
<array>
<dict>
<key>argument</key>
<integer>1</integer>
<key>type</key>
<dict>
<key>subtype</key>
<integer>0</integer>
<key>type</key>
<integer>5</integer>
</dict>
<key>value</key>
<dict>
<key>type</key>
<integer>5</integer>
<key>value</key>
<true/>
</dict>
</dict>
</array>

did you follow a tutorial?

Updated November 21, 2015 by ITz_kser

QQRK · November 21, 2015

what is all these?

<dict>

<key>methodObjc</key>

<dict>

<key>className</key>

<string>UserProfessionObj</string>

<key>displayName</key>

<string>-(void) setRed:(BOOL)</string>

<key>prefix</key>

<string>-</string>

<key>selector</key>

<string>setRed:</string>

<key>typeEncoding</key>

<string>v12@0:4c8</string>

</dict>

<key>name</key>

<string>Unit for -(void) setRed:(BOOL)</string>

<key>overrides</key>

<array>

<dict>

<key>argument</key>

<integer>1</integer>

<key>type</key>

<dict>

<key>subtype</key>

<integer>0</integer>

<key>type</key>

<integer>5</integer>

</dict>

<key>value</key>

<dict>

<key>type</key>

<integer>5</integer>

<key>value</key>

<true/>

</dict>

</dict>

</array>

did you follow a tutorial?

I want to use flex to build function,then writing a tweak,but I don't actually know the function such as -(void) setRed:(BOOL).Furthermore how to make bool active?@_@

Updated November 21, 2015 by QQRK

ITz_kser · November 21, 2015

The <dict>

<key>

Are for preference bundle

And they shouldn't be in tweak.xm

idk if this will make a different but try to change BOOL to bool

Rook · November 22, 2015

@@QQRK

Read this pinned tutorial, it's explained here.

http://iosgods.com/topic/831-tutorial-how-to-hack-using-mobile-substrate-method-hooking/?view=getnewpost

Diversityy · November 22, 2015

Okay, so..

%hook UserProfessionObj
-(void) setRed:(BOOL)a
{
%orig(TRUE);
}
%end

Try that. Like what ITz_kser said, you do not include those key, string, dict on your tweak.xm.

QQRK · November 22, 2015

thanks guys, i already fixed it. love you guys!!!!

QQRK · November 22, 2015

here come another question, how to write a return? should i change id to null and int to 1 ? (see the picture below the link)

http://www.jnbhgbox.org/forum.php?mod=attachment&aid=MjYxNHxmZTA5ZGRhY3wxNDQ4MTY5MTMwfDE5fDUyOQ%3D%3D&nothumb=yes

Diversityy · November 22, 2015

here come another question, how to write a return? should i change id to null and int to 1 ? (see the picture below the link)

http://www.jnbhgbox.org/forum.php?mod=attachment&aid=MjYxNHxmZTA5ZGRhY3wxNDQ4MTY5MTMwfDE5fDUyOQ%3D%3D&nothumb=yes

%hook MGTwitterHTTPURLConnection
-(id)initWithRequest:(id)delegate:(id)requestType:(int)responseTime:(int)
{
return;
}
%end

I believe it's like that. What app are you trying to do this on?

ITz_kser · November 22, 2015

%hook MGTwitterHTTPURLConnection
-(id)initWithRequest:(id)delegate:(id)requestType:(int)responseTime:(int)
{
return;
}
%end
I believe it's like that. What app are you trying to do this on?

like what i think you need to give every function from these a return or the functions that's you want will not work that's what i test

but didn't test the id