Initial test - loads app manager in a window, js works. Still need to add API for comms

app/src/main/AndroidManifest.xml

@@ -467,6 +467,11 @@
         <activity
             android:name=".activities.AndroidPairingActivity"
             android:label="@string/title_activity_android_pairing" />
+        <activity
+            android:name=".devices.banglejs.AppsManagementActivity"
+            android:label="@string/title_activity_appmanager"
+            android:launchMode="singleTop"
+            android:parentActivityName=".activities.ControlCenterv2" />
         <activity
             android:name=".devices.miband.MiBandPairingActivity"
             android:label="@string/title_activity_mi_band_pairing" />

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/AppsManagementActivity.java

@@ -0,0 +1,96 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.banglejs;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.PopupMenu;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+
+import org.json.JSONArray;
+
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.activities.AbstractGBActivity;
+import nodomain.freeyourgadget.gadgetbridge.devices.DeviceCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.QHybridSupport;
+import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+public class AppsManagementActivity extends AbstractGBActivity {
+    private WebView webView;
+    private GBDevice mGBDevice;
+    private DeviceCoordinator mCoordinator;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_banglejs_apps_management);
+
+        Intent intent = getIntent();
+        Bundle bundle = intent.getExtras();
+        if (bundle != null) {
+            mGBDevice = bundle.getParcelable(GBDevice.EXTRA_DEVICE);
+        } else {
+            throw new IllegalArgumentException("Must provide a device when invoking this activity");
+        }
+        mCoordinator = DeviceHelper.getInstance().getCoordinator(mGBDevice);
+
+        initViews();
+    }
+
+    private void toast(String data) {
+        GB.toast(data, Toast.LENGTH_LONG, GB.INFO);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        LocalBroadcastManager.getInstance(this).unregisterReceiver(deviceUpdateReceiver);
+        finish();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        LocalBroadcastManager.getInstance(this).registerReceiver(deviceUpdateReceiver, new IntentFilter(GBDevice.ACTION_DEVICE_CHANGED));
+    }
+
+    BroadcastReceiver deviceUpdateReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+
+        }
+    };
+
+    private void initViews() {
+        //https://stackoverflow.com/questions/4325639/android-calling-javascript-functions-in-webview
+        webView = findViewById(R.id.webview);
+        webView.setWebViewClient(new WebViewClient());
+        webView.getSettings().setJavaScriptEnabled(true);
+        webView.loadUrl("https://banglejs.com/apps/");
+
+        webView.setWebViewClient(new WebViewClient(){
+            public void onPageFinished(WebView view, String weburl){
+                webView.loadUrl("javascript:showToast('WebView in Espruino')");
+            }
+        });
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/banglejs/BangleJSCoordinator.java

@@ -31,6 +31,7 @@ import java.util.Collection;
 import java.util.Collections;
 
 import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.activities.appmanager.AppManagerActivity;
 import nodomain.freeyourgadget.gadgetbridge.devices.AbstractDeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.InstallHandler;
 import nodomain.freeyourgadget.gadgetbridge.devices.SampleProvider;
@@ -132,21 +133,18 @@ public class BangleJSCoordinator extends AbstractDeviceCoordinator {
         return true;
     }
 
-    @Override
-    public boolean supportsAppsManagement() {
-        return false;
-    }
-
     @Override
     public int getAlarmSlotCount() {
         return 10;
     }
 
     @Override
-    public Class<? extends Activity> getAppsManagementActivity() {
-        return null;
-    }
+    public boolean supportsAppsManagement() { return true; }
 
+    @Override
+    public Class<? extends Activity> getAppsManagementActivity() {
+        return AppsManagementActivity.class;
+    }
 
     @Override
     protected void deleteDevice(@NonNull GBDevice gbDevice, @NonNull Device device, @NonNull DaoSession session) {

app/src/main/res/layout/activity_banglejs_apps_management.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <WebView
+            android:id="@+id/webview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>