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So we just saw APKtool and JDGUI.
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Now we're going to see another very useful tool bytecode viewer, this tool actually makes use of both
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Apktool and JDGUI in the background.
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So just google bytecodeviewer go to their site and download byte code viewer here, let's just download
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the latest version, save file.
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You can run this tool on several platforms so with bytecode viewer you upload an APK and after some
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processing it presents the APKs decompiled Java source as well as the byte code and Smali all
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in a single user interface, so you can have a comparison of the Smali versus the Java or rather the
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decompiled Java. Instead of running APKtool, enjarify, JDGUI etc. you can just use this single
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tool which pretty much automates the process while offering a nice UI along with some additional utilities.
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So let's go to the folder where we downloaded it run Java dash Jar bytecodeviewer and this will launch
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byte code viewer.
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We won't go into too much detail right now but let's just see if we can add an APK so let's try the
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test.apk
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we installed earlier.
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So there you go.
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We just uploaded an APK without having the source code of the application and using some java decompilers.
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In this case fernflower, we have the almost Java source. Now there are different Java decompilers bundled
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with byte code viewer so you can choose which one to use.
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We'll have a look at this later on during the analysis part of the course.
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But this tool is a great tool for static analysis.