fix android unit tests and add better macos instructions

veilid-core/src/tests/android/.idea/gradle.xml

@@ -8,14 +8,13 @@
         <option name="disableWrapperSourceDistributionNotification" value="true" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="1.8" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

veilid-core/src/tests/android/.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

veilid-core/src/tests/android/adb+.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Script adb+
+# Usage
+# You can run any command adb provide on all your current devices
+# ./adb+ <command> is the equivalent of ./adb -s <serial number> <command>
+#
+# Examples
+# ./adb+ version
+# ./adb+ install apidemo.apk
+# ./adb+ uninstall com.example.android.apis
+
+adb devices | while read line
+do
+    if [ ! "$line" = "" ] && [ `echo $line | awk '{print $2}'` = "device" ]
+    then
+        device=`echo $line | awk '{print $1}'`
+        echo "$device $@ ..."
+        adb -s $device $@
+    fi
+done

veilid-core/src/tests/android/app/build.gradle

@@ -67,6 +67,7 @@ cargo {
     targetDirectory = "../../../../../target"
     prebuiltToolchains = true
     profile = gradle.startParameter.taskNames.any{it.toLowerCase().contains("debug")} ? "debug" : "release"
+    pythonCommand = "python3"
     features {
         defaultAnd("android_tests", "rt-tokio")
     }

veilid-core/src/tests/android/install_on_all_devices.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+./gradlew installDebug

veilid-core/src/tests/android/remove_from_all_devices.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+./adb+.sh uninstall com.veilid.veilidcore.veilidcore_android_tests
+