我是安卓新手。人们告诉我我可以使用 gradlew.bat 来构建一个 apk。当我在调试中启动它时，它似乎可以运行，但我在任何地方都找不到 .apk。这是怎么回事？
e:\dev\mobility\mob-ion>android\gradlew.bat --status
e:\dev\mobility\mob-ion>if "Windows_NT" == "Windows_NT" setlocal
e:\dev\mobility\mob-ion>set DEFAULT_JVM_OPTS=
e:\dev\mobility\mob-ion>set DIRNAME=e:\dev\mobility\mob-ion\android\
e:\dev\mobility\mob-ion>if "e:\dev\mobility\mob-ion\android\" == "" set DIRNAME=.
e:\dev\mobility\mob-ion>set APP_BASE_NAME=gradlew
e:\dev\mobility\mob-ion>set APP_HOME=e:\dev\mobility\mob-ion\android\
e:\dev\mobility\mob-ion>if defined JAVA_HOME goto findJavaFromJavaHome
e:\dev\mobility\mob-ion>set JAVA_HOME=C:\Program Files\Java\jdk1.8.0_201
e:\dev\mobility\mob-ion>set JAVA_EXE=C:\Program Files\Java\jdk1.8.0_201/bin/java.exe
e:\dev\mobility\mob-ion>if exist "C:\Program Files\Java\jdk1.8.0_201/bin/java.exe" goto init
e:\dev\mobility\mob-ion>if not "Windows_NT" == "Windows_NT" goto win9xME_args
e:\dev\mobility\mob-ion>if "@eval[2+2]" == "4" goto 4NT_args
e:\dev\mobility\mob-ion>set CMD_LINE_ARGS=
e:\dev\mobility\mob-ion>set _SKIP=2
e:\dev\mobility\mob-ion>if "x--status" == "x" goto execute
e:\dev\mobility\mob-ion>set CMD_LINE_ARGS=--status
e:\dev\mobility\mob-ion>goto execute
e:\dev\mobility\mob-ion>set CLASSPATH=e:\dev\mobility\mob-ion\android\\gradle\wrapper\gradle-wrapper.jar
e:\dev\mobility\mob-ion>"C:\Program Files\Java\jdk1.8.0_201/bin/java.exe" "-Dorg.gradle.appname=gradlew" -classpath "e:\dev\mobility\mob-ion\android\\gradle\wrapper\gradle-wrapper.jar" org.gradle.wrapper.GradleWrapperMain --status
PID STATUS INFO
22140 IDLE 4.10.1
27356 IDLE 4.10.1
22428 STOPPED (after being idle for 6 minutes and not recently used and to reclaim system memory)
Only Daemons for the current Gradle version are displayed. See https://docs.gradle.org/4.10.1/userguide/gradle_daemon.html#sec:status
e:\dev\mobility\mob-ion>if "0" == "0" goto mainEnd
e:\dev\mobility\mob-ion>if "Windows_NT" == "Windows_NT" endlocal
e:\dev\mobility\mob-ion>