upgrade projects

- gradle wrapper v6.2
- kotlin v1.3.61

dropdown_button/.dart_tool/package_config.json

@@ -176,7 +176,7 @@
       "languageVersion": "2.7"
     }
   ],
-  "generated": "2020-01-18T13:42:39.526986Z",
+  "generated": "2020-02-16T02:53:45.064399Z",
   "generator": "pub",
   "generatorVersion": "2.7.0"
 }

dropdown_button/android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.6.0-rc03'
     }
 }
 

dropdown_button/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

dropdown_button/android/gradlew.bat

@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"