logger

app/src/main/java/kz/istt/locust/MapsActivity.java

@@ -1,5 +1,6 @@
 package kz.istt.locust;
 
+import androidx.core.app.ActivityCompat;
 import androidx.core.content.res.ResourcesCompat;
 import androidx.fragment.app.FragmentActivity;
 
@@ -8,6 +9,7 @@ import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Bitmap;
@@ -103,8 +105,28 @@ public class MapsActivity extends FragmentActivity implements OnMapReadyCallback
         if(g_uid==null) g_uid="";
 
         // Чтоб слушать GPS
+
+
         lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
-        lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 500, 1, this);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && checkSelfPermission(android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this, new String[]{
+                    android.Manifest.permission.ACCESS_FINE_LOCATION,
+                    android.Manifest.permission.ACCESS_COARSE_LOCATION
+            }, 1001);
+        }else{
+            lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 500, 1, this);
+        }
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        if (requestCode == 1) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 500, 1, this);
+            } else {
+                Toast.makeText(this, getResources().getString(R.string.Please_activate_GPS), Toast.LENGTH_LONG).show();
+            }
+        }
     }
 
     /**

app/src/main/java/kz/istt/locust/Tools.java

@@ -51,7 +51,7 @@ public class Tools
 	public static String readInputStream(InputStream is) {
 		try {
 			byte[] buffer = new byte[1024];
-			StringBuilder result = new StringBuilder();
+			StringBuilder result = new StringBuilder(1024);
 			int length;
 			while ((length = is.read(buffer)) != -1) {
 				result.append(new String(buffer, 0, length, "UTF-8")); // StandardCharsets.UTF_8.name() > JDK 7
@@ -208,7 +208,7 @@ public class Tools
 
 	public static String convertStreamToString(InputStream is, int size) throws Exception {
 		BufferedReader reader = new BufferedReader(new InputStreamReader(is));
-		StringBuilder sb = new StringBuilder();
+		StringBuilder sb = new StringBuilder(1024);
 		String line = null;
 		while ((line = reader.readLine()) != null) {
 			sb.append(line).append("\n");

app/src/main/java/logging/AndroidLogger.java

@@ -0,0 +1,16 @@
+package logging;
+
+import android.util.Log;
+
+public class AndroidLogger implements Logger {
+    private final String tag;
+
+    public AndroidLogger(Class<?> clazz) {
+        this.tag = clazz.getSimpleName();
+    }
+
+    public void debug(String msg) { Log.d(tag, msg); }
+    public void info(String msg)  { Log.i(tag, msg); }
+    public void warn(String msg)  { Log.w(tag, msg); }
+    public void error(String msg) { Log.e(tag, msg); }
+}

app/src/main/java/logging/Logger.java

@@ -0,0 +1,12 @@
+package logging;
+
+public interface Logger {
+    void debug(String msg);
+    void info(String msg);
+    void warn(String msg);
+    void error(String msg);
+
+    static Logger getLogger(Class<?> clazz) {
+        return LoggerFactory.createLogger(clazz); // Подменяется реализацией
+    }
+}

app/src/main/java/logging/LoggerFactory.java

@@ -0,0 +1,21 @@
+package logging;
+
+public class LoggerFactory {
+    public static Logger createLogger(Class<?> clazz) {
+        // Тут выбираешь реализацию по флагу/условию
+        //if (isAndroid()) {
+            return new AndroidLogger(clazz);
+        //} else {
+        //    return new SLF4JLogger(clazz);
+        //}
+    }
+
+    private static boolean isAndroid() {
+        try {
+            Class.forName("android.os.Build");
+            return true;
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
+    }
+}