As it mentioned in the answer above, it is just an option to specify the maximum memory allocation pool for a Java Virtual Machine (JVM) for dex operation. And it’s the same, as to provide to java the -xmx argument. Due to it’s source codes from here, it’s setter look like: if (theJavaMaxHeapSize.matches(“\\d+[kKmMgGtT]?”)) { javaMaxHeapSize … Read more
I have same problem with Android Studio 3.0 beta 4. I found a solution. 1. From the Build menu, press the Clean Project button. 2. After task completed, press the Rebuild Project button from the Build menu.
It’s easy Get these tools: dex2jar to translate dex files to jar files jd-gui to view the java files in the jar The source code is quite readable as dex2jar makes some optimizations. Procedure: And here’s the procedure on how to decompile: Step 1: Convert classes.dex in test_apk-debug.apk to test_apk-debug_dex2jar.jar d2j-dex2jar.sh -f -o output_jar.jar apk_to_decompile.apk … Read more
In my case the similar error happened because there were 2 modules with the same package name in AndroidManifest.xml files. Using different package names in the modules solved the problem. Also the same thing happens when a library jar is being included twice (or more times) in several modules, as a dependency. In this case … Read more
The Blog was the old solution. With Android Studio 0.9.2 & Gradle Plugin 0.14.1, you only need to: Add to AndroidManifest.xml: . android:name=”android.support.multidex.MultiDexApplication” or Add MultiDex.install(this); in your custom Application’s attachBaseContext method or your custom Application extend MultiDexApplication add multiDexEnabled = true in your build.gradle . android { defaultConfig { … multiDexEnabled = true } … Read more
In root build.gradle file do something like: dependencies { // … implementation ‘androidx.multidex:multidex:2.0.1’ } android { defaultConfig { // … multiDexEnabled true } } More details here: Error:Cannot fit requested classes in a single dex file.Try supplying a main-dex list. # methods: 72477 > 65536
You can convert the jar to a dex file, and then pull the number of method references out of the header. It is stored as an unsigned little endian integer, at offset 88 (0x58). dx –dex –output=temp.dex orig.jar cat temp.dex | head -c 92 | tail -c 4 | hexdump -e ‘1/4 “%d\n”‘ Keep in … Read more
Note: All of the following instructions apply universally (aka to all OSes) unless otherwise specified. Prerequsites You will need: A working Java installation A working terminal/command prompt A computer An APK file Steps Step 1: Changing the file extension of the APK file Change the file extension of the .apk file by either adding a … Read more
Let’s say you have a the following code in file HelloWorld.java: public class HelloWorld { public static void main(String[] args) { System.out.println(“Hello World!”); } } To run it on an android device: javac HelloWorld.java dx –dex –output=classes.dex HelloWorld.class zip HelloWorld.zip classes.dex adb push HelloWorld.zip /sdcard/ For GB or earlier, you should be able to simply … Read more
About the .dex File : One of the most remarkable features of the Dalvik Virtual Machine (the workhorse under the Android system) is that it does not use Java bytecode. Instead, a homegrown format called DEX was introduced and not even the bytecode instructions are the same as Java bytecode instructions. Compiled Android application code … Read more