dalvik

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Does the Dalvik file format (*.dx) support more instructions than a Java .class file?

Is there anything the Dalvik VM supports (in terms of bytecode) which is not used currently because the .class files don\'t have it?[详细]

2022-12-27 18:42 分类：问答
"Conversion to Dalvik format failed with error 1" on external JAR

In my Android application in Eclipse, I get the following error. UNEXPECTED TOP-LEVEL EXCEPTION: java.lang.IllegalArgumentException: already added: Lorg/xmlpull/v1/XmlPullParser;[详细]

2022-12-27 10:07 分类：问答
Dynamically Generating Dalvik Bytecode into a running Dalvik/Android application

This question has been asked(and answered) many times about dynamically generating and loading java bytecodes at runtime into a running Dalvik VM, but is there any way to load dex files/开发者_C百科by[详细]

2022-12-26 01:50 分类：问答
Changing coding style due to Android GC performance, how far is too far?

I keep hearing that Android applications should try to limit the number of objects created in order to reduce the workload on the garbage collector.It makes sense that you may not want to created mass[详细]

2022-12-25 19:06 分类：问答
Class initialization issues loading java.util.logging.LogManager in Android Dalvik VM

I\'ve done changes in an Android native library and installed a new system.img file but am now getting an unrelated Error on startup. I can get past it by swallowing the error but I wanted to know if[详细]

2022-12-24 11:39 分类：问答
Why are there so many floats in the Android API?

The default floating point type in Java is the double.If you hard code a constant like 2.5 into your program, Java makes it a double automatically.When you do an operation on floats or ints that could[详细]

2022-12-24 00:01 分类：问答
Using static variables in Android

In android, are using static variables a recommended practice? E.g, implementing a Singleton pattern in Java, I usually do:[详细]

2022-12-23 05:10 分类：问答
Impact of 'instanceof' in Android Java code

Does the instanceof keyword b开发者_开发技巧ear with it a relatively heavier impact on the Android platform (and more speciffically the mobile phones running the Dalvik VM?I do not think instanceof be[详细]

2022-12-19 22:32 分类：问答
Is android getting a jit compiler soon?

I\'ve read that there is a jit compiler module for dalvik vm on the works and the results are quite promising. Some people claim an improvement of 100% in terms of execution speed. Does anyone have an[详细]

2022-12-15 23:54 分类：问答
Which programming languages can I use on Android Dalvik?

In theory, 开发者_Python百科Dalvik executes any virtual machine byte code, created for example with the compilers of[详细]

2022-12-15 13:24 分类：问答