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踩坑：uiautomatorviewer.bat 打不开

news 2025/5/17 5:22:49

错误信息

运行 sdk\tools\bin\uiautomatorviewer.bat 报错

-Djava.ext.dirs=..\lib\x86_64;..\lib is not supported. Use -classpath instead. Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit.

原因

java版本和bat需要的不匹配，bat应该是需要1.8版本的。

解决办法

1. 使用1.8版本的java，每次使用之前修改环境变量。--不推荐，每次都要切换环境

Linux上切换环境比较方便，但是我在Windows上尝试了还是不行。下面推荐更简单的方法

2. 只需要修改bat脚本能支持最新的java环境即可，这样就不用每次切换环境了。--强烈推荐

修改后亲测可用的bat脚本如下：

@echo off
rem Copyright (C) 2012 The Android Open Source Project
rem
rem Licensed under the Apache License, Version 2.0 (the "License");
rem you may not use this file except in compliance with the License.
rem You may obtain a copy of the License at
rem
rem      http://www.apache.org/licenses/LICENSE-2.0
rem
rem Unless required by applicable law or agreed to in writing, software
rem distributed under the License is distributed on an "AS IS" BASIS,
rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rem See the License for the specific language governing permissions and
rem limitations under the License.rem don't modify the caller's environment
setlocalrem Set up prog to be the path of this script, including following symlinks,
rem and set up progdir to be the fully-qualified pathname of its directory.
set prog=%~f0rem Change current directory and drive to where the script is, to avoid
rem issues with directories containing whitespaces.
cd /d %~dp0rem Get the CWD as a full path with short names only (without spaces)
for %%i in ("%cd%\..") do set prog_dir=%%~fsirem Check we have a valid Java.exe in the path.
set java_exe=
call ..\lib\find_java.bat
if not defined java_exe goto :EOFfor /f %%a in ("%APP_HOME%\lib\uiautomatorviewer-26.0.0-dev.jar") do set jarfile=%%~nxa
set frameworkdir=.if exist %frameworkdir%\%jarfile% goto JarFileOkset frameworkdir=..\libif exist %frameworkdir%\%jarfile% goto JarFileOkset frameworkdir=..\framework:JarFileOkset jarpath=%frameworkdir%\%jarfile%if not defined ANDROID_SWT goto QueryArchset swt_path=%ANDROID_SWT%goto SwtDone:QueryArchfor /f "delims=" %%a in ('%frameworkdir%\..\bin\archquery') do set swt_path=%frameworkdir%\%%a:SwtDoneif exist "%swt_path%" goto SetPathecho SWT folder '%swt_path%' does not exist.echo Please set ANDROID_SWT to point to the folder containing swt.jar for your platform.exit /B:SetPath
@REM set javaextdirs=%swt_path%;%frameworkdir%
set "CLASSPATH=%swt_path%\*;%frameworkdir%\*"@REM call "%java_exe%" "-Djava.ext.dirs=%javaextdirs%" "-Dcom.android.uiautomator.bindir=%prog_dir%" -jar %jarpath% %*rem Launch app using -classpath (not -Djava.ext.dirs)
call "%java_exe%" -classpath "%CLASSPATH%" -Dcom.android.uiautomator.bindir=%prog_dir% com.android.uiautomator.UiAutomatorViewer %*

3. 其他平台也类似，只需要把脚本语法修改正确即可。

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