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1

Modifying MainActivity.java does not result in new apk?

asked 2012-03-30 09:09:47 -0500

amigo
93 ●5 ●8 ●12

updated 2012-03-30 09:24:12 -0500

I'm working on android_tutorial_pubsub. When I modify MainActivity.java, it does not seem to build a new MainActivity-debug.apk. I added log messages to MainActivity.java; Then I did the standard build command (../gradlew debug), uninstalled the old app and then installed the apk file. But the log messages weren't appearing in logcat. Then I noticed that the time stamp on the apk file wasn't changing. When I did a clean and rebuild (debug), my messages appeared in logcat. If I don't do a clean, building doesn't seem to update the apk file. Any ideas what's going on?

Thanks!

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How are you building your project? Eclipse? Ant? Something else?

damonkohler ( 2012-04-03 22:12:35 -0500 )edit

How are you building your project? Eclipse? Ant? Something else?

damonkohler ( 2012-04-03 22:12:39 -0500 )edit

I saw the same behavior. This seems to happen when building with gradle or gradlew.

jbohren ( 2012-04-04 06:32:05 -0500 )edit

As jbohren mentioned, I was building with gradlew at the command-line.

amigo ( 2012-04-04 07:29:50 -0500 )edit

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answered 2012-04-05 09:23:01 -0500

damonkohler
3838 ●19 ●37 ●50

I do not have a good explanation for this. However, rosjava does not modify the build.xml generated by the Android SDK. You can interact with the project using ant exactly as described here: http://developer.android.com/guide/developing/building/building-cmdline.html

I suspect this is a bug in the Android SDK: http://stackoverflow.com/questions/8634359/ant-not-rebuilding-android-application-with-ant-debug-install

However, do not downgrade as rosjava requires bug fixes in r17.

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Asked: 2012-03-30 09:09:47 -0500

Seen: 1,235 times

Last updated: Apr 05 '12

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