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请问支持dataBinding吗？用了 databinding的 module 合并成功之后 ，运行报错！ #25

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keke521 opened this issue Jul 11, 2019 · 6 comments
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请问支持dataBinding吗？用了 databinding的 module 合并成功之后 ，运行报错！ #25

keke521 opened this issue Jul 11, 2019 · 6 comments
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enhancement New feature or request

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@keke521
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keke521 commented Jul 11, 2019

gradle 3.4.1
com.kezong:fat-aar:1.1.7
@kezong
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kezong commented Jul 11, 2019

dataBinding没有额外适配过，可以提供下更详细的错误信息。

@keke521
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keke521 commented Jul 11, 2019

image

2019-07-11 18:03:46.613 16671-16671/? E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.keke.testfat_aar, PID: 16671
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.keke.testfat_aar/com.keke.lib1.example.Lib1Activity}: java.lang.NullPointerException: Attempt to read from field 'android.widget.TextView com.keke.lib1.databinding.ActivityLib1Binding.text' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2747)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2808)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1541)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:163)
at android.app.ActivityThread.main(ActivityThread.java:6360)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:770)
Caused by: java.lang.NullPointerException: Attempt to read from field 'android.widget.TextView com.keke.lib1.databinding.ActivityLib1Binding.text' on a null object reference
at com.keke.lib1.example.Lib1Activity.onCreate(Lib1Activity.java:18)
at android.app.Activity.performCreate(Activity.java:6863)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2700)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2808) 
at android.app.ActivityThread.-wrap12(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1541) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:163) 
at android.app.ActivityThread.main(ActivityThread.java:6360) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:770) 

就是会报 空指针 binding 为空

@keke521
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keke521 commented Jul 11, 2019

项目是 mvvm架构， 布局都是databinding，作者如果能适配，简直太感谢了

@kezong
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kezong commented Jul 11, 2019

晚上抽时间看了一下，因为插件资源合并的方案和dataBinding的实现有冲突，现在只支持在主module中使用dataBinding，也就是apply plugin: fat-aar的那一个module。
如果要支持在子module中支持dataBinding，比较困难，短时间内无法实现。

@kezong kezong added the enhancement New feature or request label Jul 11, 2019
@keke521
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keke521 commented Jul 12, 2019

咨询下，这个databinding支持，有计划做吗😊

@kezong
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kezong commented Jul 12, 2019

@keke521 暂时没有计划。
你也可以看看有没有其他的解决方案，如果有什么好的解决方案可以同步给我。
同时你可以基于我的源码来实现databinding合并的能力，欢迎pull request.

@kezong kezong closed this as completed Aug 10, 2019
kezong added a commit that referenced this issue Sep 10, 2020
@kezong
support merge data-binding files #25 #67
964e47e
puboe added a commit to puboe/fat-aar-android that referenced this issue Sep 10, 2020
@puboe
Merge branch 'master' of github.com:kezong/fat-aar-android into incre…
08239c4 
…mental-build

* 'master' of github.com:kezong/fat-aar-android:
  support merge data-binding files kezong#25 kezong#67
  Refactor duplicated code
  Avoid creation of preBuild tasks
  Avoid generateResources tasks creation
  Migrate sync task
  Migrate more tasks
  Migrate more tasks
  migrate more R related tasks
  Migrate R file task
  migrate mergeManifest tasks
  Migrate mergeJar tasks
  Migrate mergeClasses tasks to config avoidance API
  Fix some warnings

# Conflicts:
#	source/src/main/groovy/com/kezong/fataar/RProcessor.groovy
#	source/src/main/groovy/com/kezong/fataar/VariantProcessor.groovy
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@kezong @keke521