audio: allow disabling oboe auto-reopening after device disconnect

PdCore/build.gradle

@@ -23,7 +23,7 @@ allprojects {
 // These are specific to PdCore, but nexusPublishing needs them here:
 // https://github.com/gradle-nexus/publish-plugin/issues/84
 group = 'io.github.libpd.android'
-version = '1.4.2-SNAPSHOT'
+version = '1.4.3-SNAPSHOT'
 
 // Create a Sonatype user token for these environment variables:
 // export ORG_GRADLE_PROJECT_sonatypeUsername="<tokenUsername>"

PdCore/pd-core/src/main/java/org/puredata/android/io/PdAudio.java

@@ -31,6 +31,7 @@ public class PdAudio {
 	private static int inputDeviceId = -1;
 	private static int outputDeviceId = -1;
 	private static int bufferSizeInFrames = -1;
+	private static boolean autoReopen = true;
 	private static final Handler handler = new Handler(Looper.getMainLooper());
 	private static final Runnable pollRunner = new Runnable() {
 		@Override
@@ -65,6 +66,7 @@ public synchronized static void initAudio(int sampleRate, int inChannels, int ou
 		options.put("inputDeviceId", String.valueOf(inputDeviceId));
 		options.put("outputDeviceId", String.valueOf(outputDeviceId));
 		options.put("bufferSizeInFrames", String.valueOf(bufferSizeInFrames));
+		options.put("autoReopen", String.valueOf(autoReopen ? 1 : 0));
 		if (PdBase.openAudio(inChannels, outChannels, sampleRate, options) != 0) {
 			throw new IOException("unable to open Pd audio: " + sampleRate + ", " + inChannels + ", " + outChannels);
 		}
@@ -106,6 +108,15 @@ public synchronized static void setBufferSizeInFrames(int frames) {
 		bufferSizeInFrames = frames;
 	}
 
+	/**
+	 * Enable the audio wrapper to reopen the default device when the current device has been disconnected
+	 * 
+	 * @param reopen      enable auto-reopening (true by default)
+	 */
+	public synchronized static void setAutoReopen(boolean reopen) {
+		autoReopen = reopen;
+	}
+
 	/**
 	 * Starts the audio components.
 	 * 

PdTest/src/org/puredata/android/test/PdTest.java

@@ -235,7 +235,7 @@ public boolean onOptionsItemSelected(MenuItem item) {
 		if (item.getItemId() == R.id.about_item) {
 			AlertDialog.Builder ad = new AlertDialog.Builder(this);
 			ad.setTitle(R.string.about_title);
-			ad.setMessage(R.string.about_msg);
+			ad.setMessage(getString(R.string.about_msg) + "\n\nPure Data version is " + PdBase.versionString());
 			ad.setNeutralButton(android.R.string.ok, null);
 			ad.setCancelable(true);
 			ad.show();

README.md

@@ -45,7 +45,7 @@ allprojects {
 
 ```gradle
 dependencies {
-    implementation 'io.github.libpd.android:pd-core:1.4.2-SNAPSHOT'
+    implementation 'io.github.libpd.android:pd-core:1.4.3-SNAPSHOT'
 }
 ```
 

build.gradle

@@ -20,5 +20,5 @@ ext {
     compileSdk = 34
     androidxLegacySupportVersion = '1.0.0'
     ndkVersion = libs.versions.ndk.get()
-    pdCoreVersion = '1.4.2-SNAPSHOT' // Must match version in PdCore/build.gradle
+    pdCoreVersion = '1.4.3-SNAPSHOT' // Must match version in PdCore/build.gradle
 }