B4J Question MergeLibraries: False

[giannimaione]

Hi all,
i use jPOI (excel supports)

when compile with MergeLibraries: True , app jar is about 14000 kb

when compile with MergeLibraries: False , app jar is about 23 kb

i want to compile with MergeLibraries: False

which lib distribuite? which folder i copy it ?

#Region Project Attributes
#MainFormWidth: 600
#MainFormHeight: 600
#AdditionalJar: sqlite-jdbc-3.7.2
#MergeLibraries: False
#End Region

sorry for my bad English

 

[lemonisdead]

Hello,
That is what Erel said about

MergeLibraries - True or False. Whether libraries should be merged into the generated jar file. If set to False then you need to copy the libraries to a folder named libs under the main jar folder (when distributing the app).

source: https://b4x.com/android/forum/threads/modules-attributes.35451/

 

[giannimaione]

hello lemonisdead

i mistake,
my app use JavaObject, jCore, jFx, jPoi, jSql, and #AdditionalJar: sqlite-jdbc-3.7.2

main folder is named "MyFolder" and i put into a MyApp.jar
Now into folder "MyFolder", i must create a folder named "Libs" ???? and copy which libraries ?

 

[lemonisdead]

Hello,
I would create a folder named "libs" (in lower case) inside the folder where your MyApp.jar is located (MyFolder) and copy in that lib folder, those files :
- JavaObject.jar
- jCore.jar
- jFX.jar
- jPOI.jar
- jSQL.jar
- sqlite-jdbc-3.7.2.jar

Edit: replaced "small caps" by "lower case" (I wrongly explained)

 

[giannimaione]

This is the solution

 

[Erel]

Note that the total size of the compiled jar with the libraries will be exactly the same as the size of the merged jar.

Disabling the merge step is useful for server applications where you copy the libraries once and can then update the program jar faster.

 

[MaFu]

Disabling the merge step is useful for server applications where you copy the libraries once and can then update the program jar faster.

Or if you have more then one program in the same folder. In this case the external libs also makes sense.