Make it easier to test multiple packages at once

release/README.md

@@ -60,8 +60,8 @@ The following builds and tests can take a long time, and it's helpful to paralle
 as much as possible. So after each build, copy the APK out of the build directory and
 install it while running the next build. This is why we test the slowest devices first.
 
-Temporarily edit pkgtest/app/build.gradle to replace the empty list in the `addPackages`
-line with `PACKAGE_GROUPS[1]`.
+Temporarily edit pkgtest/app/build.gradle to call
+`addPackages(delegate, PACKAGE_GROUPS[1])`.
 
 Set `abiFilters` to each of the following values (this tests the single-ABI case), and
 test on a corresponding device:

server/pypi/README.md

@@ -145,7 +145,7 @@ examples: usually we base them on the package's own tutorial.
 Open the pkgtest app in Android Studio, and temporarily edit `app/build.gradle` as
 follows:
 
-* Add the package to the `addPackages` line, e.g. `addPackages(delegate, ["package-name"])`.
+* Set `PACKAGES` to the package's name.
 * Set `python { version }` to the Python version you want to test.
 * Set the `--extra-index-url` as described above.
 * Set `abiFilters` to the ABIs you want to test.

server/pypi/pkgtest/app/build.gradle

@@ -77,7 +77,13 @@ android {
         def verParsed = versionName.split(/\./).collect { Integer.parseInt(it) }
         versionCode ((verParsed[0] * 1000000) + (verParsed[1] * 1000) + (verParsed[2] * 10))
 
-        addPackages(delegate, [])
+        // To test packages, edit the following line to list their names, separated by
+        // spaces. Each name must be a subdirectory of PACKAGES_DIR.
+        def PACKAGES = ""
+        if (!PACKAGES.isEmpty()) {
+            addPackages(delegate, PACKAGES.trim().split(/\s+/).toList())
+        }
+
         python {
             version "3.8"