Run emulator tests on old Android versions (#8097)

.github/workflows/checks.yml

@@ -101,13 +101,22 @@ jobs:
           path: app/build/outputs/apk/play/debug/app-play-debug.apk
 
   emulator-test:
-    name: "Emulator Test"
+    name: "Emulator Test API ${{ matrix.version.api-level }}"
     needs: static-analysis
     runs-on: ubuntu-latest
     timeout-minutes: 45
-    env:
-      api-level: 30
+    strategy:
+      matrix:
+        version:
+          - api-level: 21
+            target: default
+          - api-level: 30
+            target: aosp_atd
+          - api-level: 34
+            target: aosp_atd
     steps:
+      - name: Remove unused packages to save space
+        run: sudo apt-get remove firefox google-chrome-stable microsoft-edge-stable snapd powershell azure-cli llvm-16 llvm-17 llvm-18 llvm-16-dev llvm-17-dev llvm-18-dev
       - uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
@@ -133,8 +142,9 @@ jobs:
       - name: Android Emulator test
         uses: reactivecircus/android-emulator-runner@v2
         with:
-          api-level: ${{ env.api-level }}
-          target: aosp_atd
+          api-level: ${{ matrix.version.api-level }}
+          target: ${{ matrix.version.target }}
+          arch: x86_64
           channel: canary
           force-avd-creation: false
           emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
@@ -145,3 +155,13 @@ jobs:
         with:
           name: test-report
           path: app/build/reports/androidTests/connected/flavors/PLAY/
+
+  ci-summary:
+    name: "CI Summary"
+    needs:
+      - wrapper-validation
+      - emulator-test
+      - unit-test
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "All checks passed"

app/src/androidTest/java/de/test/antennapod/service/download/HttpDownloaderTest.java

@@ -1,5 +1,6 @@
 package de.test.antennapod.service.download;
 
+import android.content.Context;
 import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.filters.LargeTest;
 import android.util.Log;
@@ -51,7 +52,12 @@ public class HttpDownloaderTest {
     @Before
     public void setUp() throws Exception {
         UserPreferences.init(InstrumentationRegistry.getInstrumentation().getTargetContext());
-        destDir = InstrumentationRegistry.getInstrumentation().getTargetContext().getExternalFilesDir(DOWNLOAD_DIR);
+        Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        destDir = context.getExternalFilesDir(DOWNLOAD_DIR);
+        if (destDir == null) { // Emulator without SD card
+            destDir = new File(context.getFilesDir(), DOWNLOAD_DIR);
+            destDir.mkdirs();
+        }
         assertNotNull(destDir);
         assertTrue(destDir.exists());
         httpServer = new HTTPBin();

app/src/androidTest/java/de/test/antennapod/service/playback/PlaybackServiceMediaPlayerTest.java

@@ -3,6 +3,7 @@ package de.test.antennapod.service.playback;
 import android.content.Context;
 import android.util.Log;
 
+import android.os.Build;
 import androidx.test.annotation.UiThreadTest;
 import androidx.test.filters.MediumTest;
 
@@ -43,6 +44,7 @@ import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.junit.Assume.assumeTrue;
 
 /**
  * Test class for LocalPSMP
@@ -62,6 +64,9 @@ public class PlaybackServiceMediaPlayerTest {
     @After
     @UiThreadTest
     public void tearDown() throws Exception {
+        if (Build.VERSION.SDK_INT < 30) {
+            return; // Test ignored on old Android versions for now
+        }
         PodDBAdapter.deleteDatabase();
         httpServer.stop();
         if (psmp != null) {
@@ -73,6 +78,8 @@ public class PlaybackServiceMediaPlayerTest {
     @Before
     @UiThreadTest
     public void setUp() throws Exception {
+        assumeTrue(Build.VERSION.SDK_INT >= 30); // Ignored on old Android versions for now
+
         assertionError = null;
         psmp = null;
         EspressoTestUtils.clearPreferences();

app/src/androidTest/java/de/test/antennapod/ui/NavigationDrawerTest.java

@@ -1,6 +1,7 @@
 package de.test.antennapod.ui;
 
 import android.content.Intent;
+import android.os.Build;
 import androidx.test.espresso.contrib.DrawerActions;
 import androidx.test.espresso.intent.rule.IntentsTestRule;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -33,6 +34,7 @@ import static androidx.test.espresso.matcher.ViewMatchers.withText;
 import static de.test.antennapod.EspressoTestUtils.onDrawerItem;
 import static de.test.antennapod.EspressoTestUtils.waitForView;
 import static org.hamcrest.Matchers.allOf;
+import static org.junit.Assume.assumeTrue;
 
 /**
  * User interface tests for MainActivity drawer.
@@ -132,6 +134,7 @@ public class NavigationDrawerTest {
 
     @Test
     public void testGoToPreferences() {
+        assumeTrue(Build.VERSION.SDK_INT >= 30); // Unclear why this crashes on old Android versions
         activityRule.launchActivity(new Intent());
         openNavDrawer();
         onView(withText(R.string.settings_label)).perform(click());

app/src/androidTest/java/de/test/antennapod/ui/PreferencesTest.java

@@ -4,6 +4,7 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 
+import android.os.Build;
 import androidx.annotation.StringRes;
 import androidx.preference.PreferenceManager;
 import androidx.test.filters.LargeTest;
@@ -41,6 +42,7 @@ import static de.test.antennapod.EspressoTestUtils.waitForView;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeTrue;
 
 @LargeTest
 public class PreferencesTest {
@@ -126,6 +128,7 @@ public class PreferencesTest {
 
     @Test
     public void testHeadPhonesReconnect() {
+        assumeTrue(Build.VERSION.SDK_INT < 31); // Setting hidden on Android 12+
         clickPreference(R.string.playback_pref);
         if (!UserPreferences.isPauseOnHeadsetDisconnect()) {
             onView(withText(R.string.pref_pauseOnHeadsetDisconnect_title)).perform(click());
@@ -143,6 +146,7 @@ public class PreferencesTest {
 
     @Test
     public void testBluetoothReconnect() {
+        assumeTrue(Build.VERSION.SDK_INT < 31); // Setting hidden on Android 12+
         clickPreference(R.string.playback_pref);
         if (!UserPreferences.isPauseOnHeadsetDisconnect()) {
             onView(withText(R.string.pref_pauseOnHeadsetDisconnect_title)).perform(click());