android: add ci worfklow

Author: jcelerier

.github/workflows/android.yml

@@ -0,0 +1,49 @@
+name: Android Build
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+      - 'docs/**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+
+    - uses: android-actions/setup-android@v3
+
+    - run: yes | sdkmanager --licenses || true
+
+    - run: |
+        sdkmanager --install "platforms;android-34"
+        sdkmanager --install "build-tools;34.0.0"
+        sdkmanager --install "ndk;25.2.9519653"
+        sdkmanager --install "cmake;3.22.1"
+
+    - uses: actions/cache@v4
+      with:
+        path: |
+          ~/.gradle/caches
+          ~/.gradle/wrapper
+        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+        restore-keys: |
+          ${{ runner.os }}-gradle-
+
+    - run: chmod +x examples/android/gradlew
+
+    - run: |
+        cd examples/android
+        ./gradlew assembleDebug --no-daemon
+

.github/workflows/build_cmake.yml

@@ -9,6 +9,7 @@ on:
     paths-ignore:
       - '**.md'
       - 'docs/**'
+
 jobs:
   build:
     name: ${{ matrix.config.name }}

.github/workflows/mingw.yml

@@ -1,6 +1,14 @@
 name: MSYS2 build
 
-on: push
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+      - 'docs/**'
 
 jobs:
   mingw:

include/libremidi/backends/android/midi_in.hpp

@@ -148,13 +148,9 @@ class midi_in
 
       if (num_messages > 0 && num_bytes > 0)
       {
-        libremidi::message msg;
-        msg.bytes.assign(buffer, buffer + num_bytes);
-        msg.timestamp = timestamp / 1000000.0; // Convert nanoseconds to milliseconds
-
         const auto to_ns = [=] { return timestamp; };
 
-        m_processing.on_bytes(
+        m_processing.on_bytes_multi(
             {buffer, buffer + num_bytes},
             m_processing.timestamp<timestamp_info>(to_ns, timestamp));
       }