當我運行任何應用程序時，該程序給我一個錯誤

Question

當我運行任何應用程序時，即使它在屏幕上顯示「Hello world」的基本程序也不起作用。有人能幫我弄清楚這一切意味着什麼>。>謝謝你。這發生在我的電腦上，一個朋友的電腦，它只是沒運行，我剛重新安裝機器人工作室（但不是Java的JDK）

Configuration on demand is an incubating feature. 
 
Relying on packaging to define the extension of the main artifact has been deprecated and is scheduled to be removed in Gradle 2.0 
 
:app:preBuild 
 
:app:compileDebugNdk UP-TO-DATE 
 
:app:preDebugBuild 
 
:app:checkDebugManifest 
 
:app:preReleaseBuild 
 
:app:prepareComAndroidSupportAppcompatV72000Library UP-TO-DATE 
 
:app:prepareComAndroidSupportSupportV42000Library UP-TO-DATE 
 
:app:prepareDebugDependencies 
 
:app:compileDebugAidl UP-TO-DATE 
 
:app:compileDebugRenderscript UP-TO-DATE 
 
:app:generateDebugBuildConfig UP-TO-DATE 
 
:app:generateDebugAssets UP-TO-DATE 
 
:app:mergeDebugAssets UP-TO-DATE 
 
:app:generateDebugResValues UP-TO-DATE 
 
:app:generateDebugResources UP-TO-DATE 
 
:app:mergeDebugResources 
 
:app:processDebugManifest UP-TO-DATE 
 
:app:processDebugResources 
 
:app:generateDebugSources 
 
:app:compileDebugJava UP-TO-DATE 
 
:app:preDexDebug 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
Print this message. 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
Print this message. 
 
The system cannot find the path specified. 
 
The system cannot find the path specified. 
 
The system cannot find the path specified. 
 

 
FAILED 
 
FAILURE: Build failed with an exception. 
 
* What went wrong: 
 
Execution failed for task ':app:preDexDebug'. 
 
> com.android.ide.common.internal.LoggedErrorException: Failed to run command: 
 
C:\Users\Rick\AppData\Local\Android\android-studio1\sdk\build-tools\android-4.4W\dx.bat --dex --output C:\Users\Rick\Documents\Spellbook\SpellbookD&D5th\app\build\intermediates\pre-dexed\debug\support-annotations-20.0.0-0d853c27bd4d6b62d50991a94f330ee92c9660ea.jar C:\Users\Rick\AppData\Local\Android\android-studio1\sdk\extras\android\m2repository\com\android\support\support-annotations\20.0.0\support-annotations-20.0.0.jar 
 
Error Code: 
 
1 
 
Output: 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
Print this message. 
 
The system cannot find the path specified. 
 
* Try: 
 
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. 
 
BUILD FAILED 
 
Total time: 23.0 secs 
 
Executing tasks: [:app:assembleDebug] 
 
Configuration on demand is an incubating feature. 
 
Relying on packaging to define the extension of the main artifact has been deprecated and is scheduled to be removed in Gradle 2.0 
 
:app:preBuild 
 
:app:compileDebugNdk UP-TO-DATE 
 
:app:preDebugBuild 
 
:app:checkDebugManifest 
 
:app:preReleaseBuild 
 
:app:prepareComAndroidSupportAppcompatV72000Library UP-TO-DATE 
 
:app:prepareComAndroidSupportSupportV42000Library UP-TO-DATE 
 
:app:prepareDebugDependencies 
 
:app:compileDebugAidl UP-TO-DATE 
 
:app:compileDebugRenderscript UP-TO-DATE 
 
:app:generateDebugBuildConfig UP-TO-DATE 
 
:app:generateDebugAssets UP-TO-DATE 
 
:app:mergeDebugAssets UP-TO-DATE 
 
:app:generateDebugResValues UP-TO-DATE 
 
:app:generateDebugResources UP-TO-DATE 
 
:app:mergeDebugResources 
 
:app:processDebugManifest UP-TO-DATE 
 
:app:processDebugResources 
 
:app:generateDebugSources 
 
:app:compileDebugJava 
 
:app:preDexDebug 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
Print this message. 
 
Print this message. 
 
The system cannot find the path specified. 
 
The system cannot find the path specified. 
 
FAILED 
 
The system cannot find the path specified. 
 
FAILURE: Build failed with an exception. 
 
* What went wrong: 
 
Execution failed for task ':app:preDexDebug'. 
 
> com.android.ide.common.internal.LoggedErrorException: Failed to run command: 
 
C:\Users\Rick\AppData\Local\Android\android-studio1\sdk\build-tools\android-4.4W\dx.bat --dex --output C:\Users\Rick\Documents\Spellbook\SpellbookD&D5th\app\build\intermediates\pre-dexed\debug\classes-cb3d2cfea94b9f5266afe2f7149823e33a7f9188.jar C:\Users\Rick\Documents\Spellbook\SpellbookD&D5th\app\build\intermediates\exploded-aar\com.android.support\appcompat-v7\20.0.0\classes.jar 
 
Error Code: 
 
1 
 
Output: 
 
unknown output extension: C:\Users\Rick\Documents\Spellbook\SpellbookD 
 
usage: 
 
dx --dex [--debug] [--verbose] [--positions=<style>] [--no-locals] 
 
[--no-optimize] [--statistics] [--[no-]optimize-list=<file>] [--no-strict] 
 
[--keep-classes] [--output=<file>] [--dump-to=<file>] [--dump-width=<n>] 
 
[--dump-method=<name>[*]] [--verbose-dump] [--no-files] [--core-library] 
 
[--num-threads=<n>] [--incremental] [--force-jumbo] 
 
[--multi-dex [--main-dex-list=<file> [--minimal-main-dex]] 
 
[<file>.class | <file>.{zip,jar,apk} | <directory>] ... 
 
Convert a set of classfiles into a dex file, optionally embedded in a 
 
jar/zip. Output name must end with one of: .dex .jar .zip .apk or be a directory. 
 
Positions options: none, important, lines. 
 
--multi-dex: allows to generate several dex files if needed. This option is 
 
exclusive with --incremental, causes --num-threads to be ignored and only 
 
supports folder or archive output. 
 
--main-dex-list=<file>: <file> is a list of class file names, classes defined by 
 
those class files are put in classes.dex. 
 
--minimal-main-dex: only classes selected by --main-dex-list are to be put in 
 
the main dex. 
 
dx --annotool --annotation=<class> [--element=<element types>] 
 
[--print=<print types>] 
 
dx --dump [--debug] [--strict] [--bytes] [--optimize] 
 
[--basic-blocks | --rop-blocks | --ssa-blocks | --dot] [--ssa-step=<step>] 
 
[--width=<n>] [<file>.class | <file>.txt] ... 
 
Dump classfiles, or transformations thereof, in a human-oriented format. 
 
dx --find-usages <file.dex> <declaring type> <member> 
 
Find references and declarations to a field or method. 
 
declaring type: a class name in internal form, like Ljava/lang/Object; 
 
member: a field or method name, like hashCode 
 
dx -J<option> ... <arguments, in one of the above forms> 
 
Pass VM-specific options to the virtual machine that runs dx. 
 
dx --version 
 
Print the version of this tool (1.8). 
 
dx --help 
 
Print this message. 
 
The system cannot find the path specified. 
 
The system cannot find the path specified. 
 
* Try: 
 
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. 
 
BUILD FAILED

Answer 1

檢查SDK路徑和項目的其他屬性屬性菜單。

SDK路徑應該正確給出。

如果你最近做過升級，它可能也會產生影響。檢查一次。

並檢查res文件一次。如果有任何錯誤，構建不成功。

如果一切正常，然後清理項目。並再次運行