Add LogManager for reading the logs in react-native

android/app/src/main/java/de/gotify/GotifyPackage.java

@@ -0,0 +1,22 @@
+package de.gotify;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class GotifyPackage implements ReactPackage {
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+        return Arrays.<NativeModule>asList(new LogManager(reactContext));
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+        return Collections.emptyList();
+    }
+}

android/app/src/main/java/de/gotify/LogManager.java

@@ -0,0 +1,32 @@
+package de.gotify;
+
+import com.facebook.react.bridge.Callback;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+
+public class LogManager extends ReactContextBaseJavaModule {
+    LogManager(final ReactApplicationContext reactContext) {
+        super(reactContext);
+    }
+
+    @Override
+    public String getName() {
+        return "LogManager";
+    }
+
+    @ReactMethod
+    public void clear(Callback callback) {
+        Log.get().clear();
+        callback.invoke();
+    }
+
+    @ReactMethod
+    public void getLog(Callback callback) {
+        StringBuilder log = new StringBuilder();
+        for (String line : Log.get()) {
+            log.append(line).append("\n");
+        }
+        callback.invoke(log.toString());
+    }
+}

android/app/src/main/java/de/gotify/MainApplication.java

@@ -29,6 +29,7 @@ public class MainApplication extends Application implements ReactApplication {
           new MainReactPackage(),
             new RNSharedPreferencesReactPackage(),
             new RNDeviceInfo(),
+            new GotifyPackage(),
             new VectorIconsPackage()
       );
     }

src/native/LogManager.js

@@ -0,0 +1,3 @@
+import {NativeModules} from 'react-native';
+
+export default NativeModules.LogManager;