How to generate apk file for android project.

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I am able to generate signed apk file for android project using ant tool via command prompt.But i am not able to generate signed apk file to a android project when multiple dependency projects are there for that project.please help me to find a way to find solution for this.(with out using eclipse by using only command line)

Posted 4-Jan-16 17:42pm

Member 11944583

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Mohibur Rashid 5-Jan-16 0:42am

what IDE are you using?

Member 11944583 5-Jan-16 4:17am

i am using Eclipse as IDE.for single android project i am able to create signed apk file i am not getting any problem here.when my project has some dependencies it raises some errors.

Member 11944583 5-Jan-16 4:32am

[javac] (use -source 7 or higher to enable diamond operator)
[javac] D:\Work\Android WorkSpace\facebook\src\com\facebook\share\widget\Sha
reDialog.java:225: error: diamond operator is not supported in -source 1.5
[javac] ArrayList<modehandler> handlers = new ArrayList<>();
[javac] ^
[javac] (use -source 7 or higher to enable diamond operator)
[javac] 25 errors
[javac] 3 warnings

BUILD FAILED
D:\AndroidIDE\sdk\tools\ant\build.xml:597: The following error occurred while ex
ecuting this line:
D:\AndroidIDE\sdk\tools\ant\build.xml:716: The following error occurred while ex
ecuting this line:
D:\AndroidIDE\sdk\tools\ant\build.xml:730: Compile failed; see the compiler erro
r output for details.

Total time: 7 seconds

Mohibur Rashid 5-Jan-16 5:28am

Not sure, but open your project property, go to menu "Java build Path" and then select "Order and Export" and from there check your external library. The selected library will be part of your *.apk

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ridoy · Answer 1 · 2016-01-04T19:00:00

Solution 1

Did you follow the rules of Building and Running from the Command Line | Android Developers[^] properly?

Posted 4-Jan-16 19:00pm

ridoy

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Member 11944583 5-Jan-16 6:18am

ya i fallowed all the rules ...the error is
[javac] D:\Work\Android WorkSpace\facebook\src\com\facebook\share\widget\Sha reDialog.java:225: error: diamond operator is not supported in -source 1.5 [javac] ArrayList<modehandler> handlers = new ArrayList<>(); [javac] ^ [javac] (use -source 7 or higher to enable diamond operator)

Member 11944583 5-Jan-16 6:20am

and my jdk version is 1.8.0_45 its also perfect ...i am not understanding why the error is coming.please help me.