console logger for Android

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

@@ -8,6 +8,16 @@ import org.acra.config.MailSenderConfigurationBuilder;
 import org.acra.config.ToastConfigurationBuilder;
 
 public class RusefiApplication extends Application {
+    static {
+        /**
+         * We better not touch real classes in order not to trigger class loading
+         *
+         * Logging#LOG_CLASS_NAME
+         * @see ConsoleLogger
+         */
+        System.setProperty("log.className", "com.devexperts.logging.ConsoleLogger");
+    }
+
     @Override
     public void onCreate() {
         super.onCreate();

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

@@ -38,6 +38,7 @@ import android.view.WindowManager;
 import android.widget.EditText;
 import android.widget.TextView;
 
+import com.devexperts.logging.Logging;
 import com.google.android.material.snackbar.BaseTransientBottomBar;
 import com.google.android.material.snackbar.Snackbar;
 import com.rusefi.Callable;
@@ -57,6 +58,7 @@ import com.rusefi.proxy.NetworkConnector;
 import com.rusefi.proxy.NetworkConnectorContext;
 
 public class rusEFI extends Activity {
+    private final static Logging log = Logging.getLogging(rusEFI.class);
     private static final String ACTION_USB_PERMISSION = "com.android.example.USB_PERMISSION";
 
 //    private static final byte REQUEST_TYPE_CLASS = 32;
@@ -81,6 +83,7 @@ public class rusEFI extends Activity {
     @SuppressLint("SetTextI18n")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        log.info("onCreate");
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_usb);
 

java_console/logging-api/src/main/java/com/devexperts/logging/ConsoleLogger.java

@@ -0,0 +1,21 @@
+package com.devexperts.logging;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class ConsoleLogger extends DefaultLogging {
+    @Override
+    Map<String, Exception> configureLogFile(String log_file) {
+        Logger root = Logger.getLogger("");
+        Handler handler = new ConsoleHandler();
+        handler.setFormatter(new LogFormatter());
+        handler.setLevel(Level.ALL);
+        root.addHandler(handler);
+
+        return new LinkedHashMap<>();
+    }
+}