https://github.com/rusefi/web_backend/issues/96

android/app/src/main/java/com/rusefi/app/SoundBroadcast.java

@@ -0,0 +1,45 @@
+package com.rusefi.app;
+
+import android.media.AudioFormat;
+import android.media.AudioRecord;
+import android.media.MediaRecorder;
+import android.media.audiofx.AcousticEchoCanceler;
+import android.media.audiofx.NoiseSuppressor;
+
+public class SoundBroadcast {
+    private static final int sampleRate = 16000; // 44100 for music
+    private static final int channelConfig = AudioFormat.CHANNEL_CONFIGURATION_MONO;
+    private static final int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+    private static final int minBufSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat) + 2048;
+    private byte[] buffer = new byte[minBufSize];
+
+
+    public void start() {
+
+
+        Thread streamThread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+
+                AudioRecord recorder;
+                recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, channelConfig, audioFormat, minBufSize * 10);
+                if (NoiseSuppressor.isAvailable()) {
+                    NoiseSuppressor.create(recorder.getAudioSessionId()).setEnabled(true);
+                }
+                if (AcousticEchoCanceler.isAvailable()) {
+                    AcousticEchoCanceler.create(recorder.getAudioSessionId()).setEnabled(true);
+                }
+
+                recorder.startRecording();
+
+                while (true) {
+
+                    int bytes = recorder.read(buffer, 0, buffer.length);
+
+                }
+            }
+        });
+        streamThread.start();
+    }
+
+}

android/app/src/main/java/com/rusefi/app/rusEFI.java

@@ -16,6 +16,7 @@
 
 package com.rusefi.app;
 
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
@@ -49,11 +50,12 @@ import java.util.List;
 public class rusEFI extends Activity {
     private static final String ACTION_USB_PERMISSION = "com.android.example.USB_PERMISSION";
 
-    private static final byte REQUEST_TYPE_CLASS = 32;
-    private static final byte RECIPIENT_INTERFACE = 0x01;
+//    private static final byte REQUEST_TYPE_CLASS = 32;
+//    private static final byte RECIPIENT_INTERFACE = 0x01;
+//
+//    protected static final int DFU_DETACH_TIMEOUT = 1000;
 
-
-    protected static final int DFU_DETACH_TIMEOUT = 1000;
+    private static final String VERSION = "rusEFI app v0.0000004\n";
 
     /* UI elements */
     private TextView mStatusView;
@@ -62,6 +64,7 @@ public class rusEFI extends Activity {
     private UsbManager usbManager;
     private DfuUpload dfuUpload;
 
+    @SuppressLint("SetTextI18n")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -72,8 +75,8 @@ public class rusEFI extends Activity {
         // turn on scree while ADB debugging idle phone
         turnScreenOn();
 
-        mStatusView = (TextView) findViewById(R.id.text_status);
-        mResultView = (TextView) findViewById(R.id.text_result);
+        mStatusView = findViewById(R.id.text_status);
+        mResultView = findViewById(R.id.text_result);
 
         IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
         registerReceiver(mUsbReceiver, filter);
@@ -116,7 +119,7 @@ public class rusEFI extends Activity {
     };
 
     private void handleButton() {
-        mResultView.append("rusEFI app v0.0000003\n");
+        mResultView.append(VERSION);
 
         UsbDevice dfuDevice = DfuDeviceLocator.findDevice(usbManager);
 
@@ -129,6 +132,7 @@ public class rusEFI extends Activity {
 //        listDevices(manager);
     }
 
+    @SuppressLint("SetTextI18n")
     private void handleSerialDevice() {
         List<UsbSerialDriver> availableDrivers = AndroidSerial.findUsbSerial(usbManager);
         if (availableDrivers.isEmpty()) {
@@ -169,6 +173,7 @@ public class rusEFI extends Activity {
         }
     }
 
+    @SuppressLint("SetTextI18n")
     private void dfuUpdate(UsbDevice dfuDevice, TextView mResultView) {
         mStatusView.setText("rusEFI: DFU detected");
         DfuDeviceLocator.Result dfu = new DfuDeviceLocator().openDfu(usbManager, dfuDevice);
@@ -194,7 +199,12 @@ public class rusEFI extends Activity {
      * Called when the user touches the button
      */
     public void sendMessage(View view) {
-        handleButton();
+        if (view.getId() == R.id.button) {
+            handleButton();
+        } else if (view.getId() == R.id.buttonSound) {
+
+
+        }
     }
 
     @Override

android/app/src/main/res/layout/activity_usb.xml

@@ -17,9 +17,22 @@
         android:id="@+id/button"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Try"
         android:onClick="sendMessage"
-        />
+        android:text="Try" />
+
+    <Button
+        android:id="@+id/buttonSound"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:onClick="sendMessage"
+        android:text="Sound" />
+
+    <Button
+        android:id="@+id/button3"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:onClick="sendMessage"
+        android:text="Try" />
 
     <ScrollView
         android:layout_width="match_parent"