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Questions tagged [dalvik]

Dalvik is the process virtual machine (VM) in Google's Android operating system. It is the software that runs the apps on Android devices. For optimization, the apps' Java Bytecode is compiled to Dalvik-compatible `.dex` (Dalvik Executable) files before installation on a device, which are stored in the so-called Dalvik Cache.

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Is deleting /system/bin/dex2oat file safe?

I was looking into a couple of Android tombstones files of an old Samsung phone running Marshmallow. Found a crash in every single one with the same culprit, dex2oat. From my limited understanding it ...
Ertox's user avatar
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Why is ART still needed on Android?

The reason Andy Rubin chose Java for Android Dev is not publicly known, only speculations, but it seems to me that the combination of being able to run a Java app everywhere (because the earliest ...
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Can I run .odex file on dalvikvm?

As I can run a Dex file on dalvikvm through a terminal emulator (I'm using termux or adb shell /system/bin/dalvikvm -cp /path/to/classes.dex classname Which runs successfully and I noticed it ...
Anonymous27's user avatar
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Dalvik vm heap props resetting on reboot

I am running android 9 and I tried changing heapsize prop by the following command setprop dalvik.vm.heapsize 384m and then verifying by getprop | grep heapsize which returns 384m so it works. ...
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How to clear dalvik cache if DDMS doesn't recognize device?

I have a Navon Platinum Explorer tablet (wich is not an original Navon tablet). Few years ago I was able to clear the dalvik cache, with DDMS in Eclipse (Mars) but it's full again and DDMS doesn't ...
Noel Nemeth's user avatar
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Is it possible to remove OAT files for unwanted system apps? [rooted locked device]

I have not enough free space on my Moto X, so I want to free up some space in data partition used by system apps bloatware. For example, disabled Slides with uninstalled updates still consumes 31 MB ...
Velda's user avatar
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1 answer
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MOTO E 1st Gen From Dalvik to ART : com.android.systemui stop and loop

May I first apologize for my english : non-native speaker, some erratic grammar might happen. Si un francophone passe ici, ce sera bien plus facile pour moi ;) I'm NOT skilled in android fix, so be ...
Kaldui's user avatar
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"Android is Updating" on every boot

On every bootup I get the "Android is updating" (Optimizing apps) screen. I've tried a few methods. I deleted all custom odex files in /data/app dictionary and deleted the dalvik cache but it's still ...
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Why does the number of apps "optimized" not reflect removed apps?

I've read the details on what optimizing does here: What kind of app optimizations do newer Android versions do at the first reboot? And my question is slightly followup. I run CM nightlies on my ...
music2myear's user avatar
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Why does Dalvik not support swap space?

I was asked this question and also explain why it is detrimental to the android system as a whole. I have not found a web page which refers to this specific question about Dalvik and swap space. Any ...
francisRH's user avatar
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"cold Blooded" hotspot : frequent internet connection failures. ... why do they happen

Short Story shorter Hotspot denies internet access to Puppy Linux client only on a specific laptop while all other clients have no issue ( the same laptop with Windows partition can connect ...
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Fully clear dalvik cache in Android 7

In past versions, I used to delete all files in /data/dalvik-cache to clear the dalvik cache, which is the only directory that shows up in TWRP log: Wiping /data/dalvik-cache In Lollipop and ...
iBug's user avatar
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How much time it usually takes to switch Android runtime in KitKat?

I have Dell Venue 3830 and I plan to change its runtime from Dalvik to ART. It has Android KitKat 4.4.2. I have 12 gigs of apps. I want to try ART so I want to know how much time it takes to switch ...
Siddhant's user avatar
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One Plus One CM12 update always reboots and starts the "Android is Upgrading..." process

About my Phone: It's a rooted One Plus One with twrp and CM12 installed. I updated CM12 with a Update zip which had to be flashed manually through twrp. When i now want to boot the Phone it always ...
Leon Mydla's user avatar
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Use of Dalvik VM in android

Can someone please explain why exactly Dalvik is used in android? Is it to provide portability and ability for the application developers to write hardware independent code? I dont think it is used ...
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Why does TI backup say there's still unnecessary cache?

I noticed that the newer version of Titanium Backup says I still have unneeded Dalvik Cache to clean up, even after I reboot and wipe dalvik cache in Clockworkmod. Where are these extra cache files, ...
NoBugs's user avatar
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