rem Check we have a valid Java.exe in the path.
set java_exe="F:Program FilesJavajdk1.7.0_25binjava.exe"（你java的安装位置）
all libfind_java.bat if not defined java_exe goto :EOF
@echo off rem Copyright (C) 2007 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 This script is called by the other batch files to find a suitable Java.exe rem to use. The script changes the "java_exe" env variable. The variable rem is left unset if Java.exe was not found. rem Useful links: rem Command-line reference: rem http://technet.microsoft.com/en-us/library/bb490890.aspx rem Check we have a valid Java.exe in the path. The return code will rem be 0 if the command worked or 9009 if the exec failed (program not found). rem Java itself will return 1 if the argument is not understood. set java_exe=java.exe rem search it in the path and verify we can execute it for %%a in (%java_exe%) do set java_exe=%%~s$PATH:a if not exist %java_exe% goto SearchForJava %java_exe% -version 2>nul if ERRORLEVEL 1 goto SearchForJava goto :SearchJavaW rem --------------- :SearchForJava rem We get here if the default %java_exe% was not found in the path. rem Search for an alternative in %ProgramFiles%Java*binjava.exe echo. echo WARNING: Java not found in your path. rem The strategy is to look for Java under these 3 locations: rem - %ProgramFiles%, which may point to either a 32-bit or 64-bit install rem depending on the current invocation context rem - %ProgramW6432%, which points to a 32-bit install. This may not be defined. rem - %ProgramFiles(x86)%, which points to a 64-bit install. This may not be defined. if not defined ProgramFiles goto :Check64 echo Checking if Java is installed in %ProgramFiles%Java. set java_exe= for /D %%a in ( "%ProgramW6432%Java*" ) do call :TestJavaDir "%%a" if defined java_exe goto :SearchJavaW rem Check for the "default" 64-bit version if it's not the same path :Check64 if not defined ProgramW6432 goto :Check32 if "%ProgramW6432%"=="%ProgramFiles%" goto :Check32 echo Checking if Java is installed in %ProgramW6432%Java instead (64-bit). set java_exe= for /D %%a in ( "%ProgramW6432%Java*" ) do call :TestJavaDir "%%a" if defined java_exe goto :SearchJavaW rem Check for the "default" 32-bit version if it's not the same path :Check32 if not defined ProgramFiles(x86) goto :CheckFailed if "%ProgramFiles(x86)%"=="%ProgramFiles%" goto :CheckFailed echo Checking if Java is installed in %ProgramFiles(x86)%Java instead (32-bit). set java_exe= for /D %%a in ( "%ProgramFiles(x86)%Java*" ) do call :TestJavaDir "%%a" if defined java_exe goto :SearchJavaW :CheckFailed echo. echo ERROR: No suitable Java found. In order to properly use the Android Developer echo Tools, you need a suitable version of Java JDK installed on your system. echo We recommend that you install the JDK version of JavaSE, available here: echo http://www.oracle.com/technetwork/java/javase/downloads echo. echo You can find the complete Android SDK requirements here: echo http://developer.android.com/sdk/requirements.html echo. goto :EOF rem --------------- :TestJavaDir rem This is a "subrountine" for the for /D above. It tests the short version rem of the %1 path (i.e. the path with only short names and no spaces). rem However we use the full version without quotes (e.g. %~1) for pretty print. if defined java_exe goto :EOF set full_path=%~1binjava.exe set short_path=%~s1binjava.exe %short_path% -version 2>nul if ERRORLEVEL 1 goto :EOF set java_exe=%short_path% echo. echo Java was found at %full_path%. echo Please consider adding it to your path: echo - Under Windows XP, open Control Panel / System / Advanced / Environment Variables echo - Under Windows Vista or Windows 7, open Control Panel / System / Advanced System Settings / Environment Variables echo At the end of the "Path" entry in "User variables", add the following: echo ;%full_path% echo. goto :EOF rem --------------- :SearchJavaW rem Called once java_exe has been set. Try to see if we can find a javaw rem to use. If not, we'll default to using java_exe. for %%a in (%java_exe%) do set p=%%~pa for %%a in (%java_exe%) do set n=%%~na for %%a in (%java_exe%) do set x=%%~xa set n=%n:java=javaw% set javaw_exe=%p%%n%%x% if not exist %javaw_exe% set javaw_exe=%java_exe% goto :EOF