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Is there a way to get the source code from an APK file?
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Simple way: use online tool http://www.javadecompilers.com/apk, upload apk and get source code.
Procedure for decoding .apk files, step-by-step method:
Step 1:
Make a new folder and copy over the .apk file that you want to decode.
Now rename the extension of th...
Android Archive Library (aar) vs standard jar
... as the standard build system for Android apps. Well, coming from standard Java development I usually depend on jar files in order to build my project. However it seems that Android has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
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What does the red exclamation point icon in Eclipse mean?
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According to the documentation:
Decorates Java projects and working
sets that contain build path errors
In practice, I've found that a "build path error" may be caused by any number of reasons, depending on what plugins are active. Check the "Problems" view for ...
Java JUnit: The method X is ambiguous for type Y
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
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my module is a java library module, so changing JRE to 1.8 java solved the issue.
Or, you can also do it globally via Module Settings > SDK Location > JDK, specifying Oracle's JDK 8 instead of Android SDK's copy.
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Preferred way of loading resources in Java
I would like to know the best way of loading a resource in Java:
5 Answers
5
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What is the difference between Hibernate and Spring Data JPA
..., or any other JPA provider. A very interesting benefit of using Spring or Java EE is that you can control transaction boundaries declaratively using the @Transactional annotation.
Spring JDBC is much more lightweight, and it's intended for native querying, and if you only intend to use JDBC alone,...
Gets byte array from a ByteBuffer in java
...yte[bb.remaining()];
bb.get(b);
which is equivalent as per the ByteBuffer javadocs.
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How do I send an HTML email?
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As per the Javadoc, the MimeMessage#setText() sets a default mime type of text/plain, while you need text/html. Rather use MimeMessage#setContent() instead.
message.setContent(someHtmlMessage, "text/html; charset=utf-8");
For additio...
Why is it bad practice to call System.gc()?
After answering a question about how to force-free objects in Java (the guy was clearing a 1.5GB HashMap) with System.gc() , I was told it's bad practice to call System.gc() manually, but the comments were not entirely convincing. In addition, no one seemed to dare to upvote, nor downvote my ...