Groovy实战指南:Java开发者实用工具书

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"《Groovy Recipes: Greasing the Wheels of Java》是一本由Scott Davis所著的实用指南,专为Java开发者打造,旨在将Groovy语言提升至极致的效率工具。本书以其Pragmatic Programmer出版社的标志,强调实用性与简洁性,特别适合那些希望通过Groovy解决日常开发中的各种问题。 书中内容涵盖了广泛的实用场景,如快速解析Atom feed、在Grails应用中处理Excel数据,甚至创建即时的脚本工具。作者摒弃了繁文缛节,直接展示解决问题的代码(即“菜谱”),让读者能够迅速上手。对于那些希望深入了解背后原理的开发者,书中的解释清晰易懂,但并非必需。 读者Jason Rudolph高度评价这本书,认为它是他在使用Groovy时的必备参考资料,特别是对于初学者来说,它提供了丰富的日常任务解决方案,能迅速提高开发者的效率。Dierk König,来自Canoo Engineering AG的工程师,称赞该书的结构非常适合敏捷开发人员,能够在关键时刻提供关键信息。 Joe McTee,一名软件工程师,认为Groovy是Java领域的重要发展趋势,而《Groovy Recipes》则帮助开发者快速掌握这门语言,提供了大量的实用技巧和实例。这本书不仅适合现有Groovy使用者提升技能,也对新入门者极具吸引力,是提升Java开发者工作效能的不可或缺的参考书籍。"

E/CameraX: No default CameraXConfig.Provider specified in meta-data. The most likely cause is you did not include a default implementation in your build such as 'camera-camera2'. D/AndroidRuntime: Shutting down VM E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.photodiary, PID: 13938 java.lang.IllegalStateException: CameraX is not configured properly. The most likely cause is you did not include a default implementation in your build such as 'camera-camera2'. at androidx.camera.core.CameraX.<init>(CameraX.java:109) at androidx.camera.lifecycle.ProcessCameraProvider.getOrCreateCameraXInstance(ProcessCameraProvider.java:181) at androidx.camera.lifecycle.ProcessCameraProvider.getInstance(ProcessCameraProvider.java:167) at com.example.photodiary.Diary.startCamera(Diary.java:43) at com.example.photodiary.Diary.access$000(Diary.java:20) at com.example.photodiary.Diary$1.onClick(Diary.java:32) at android.view.View.performClick(View.java:7125) at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1131) at android.view.View.performClickInternal(View.java:7102) at android.view.View.access$3500(View.java:801) at android.view.View$PerformClick.run(View.java:27336) at android.os.Handler.handleCallback(Handler.java:883) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

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