Make app loader page more reliable, and allow a custom app loader URL to be specified

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java

@@ -45,6 +45,7 @@ public class DeviceSettingsPreferenceConst {
     public static final String PREF_DEVICE_INTENTS = "device_intents";
 
     public static final String PREF_BANGLEJS_TEXT_BITMAP = "banglejs_text_bitmap";
+    public static final String PREF_BANGLEJS_WEBVIEW_URL = "banglejs_webview_url";
 
     public static final String PREF_DISCONNECT_NOTIFICATION = "disconnect_notification";
     public static final String PREF_DISCONNECT_NOTIFICATION_START = "disconnect_notification_start";

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

@@ -1,5 +1,7 @@
 package nodomain.freeyourgadget.gadgetbridge.devices.banglejs;
 
+import static nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst.PREF_DEVICE_INTERNET_ACCESS;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -42,6 +44,8 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.banglejs.BangleJSDev
 import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.QHybridSupport;
 import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
 import nodomain.freeyourgadget.gadgetbridge.util.GB;
+import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
+import static nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst.PREF_BANGLEJS_WEBVIEW_URL;
 
 public class AppsManagementActivity extends AbstractGBActivity {
     private static final Logger LOG = LoggerFactory.getLogger(AppsManagementActivity.class);
@@ -49,6 +53,8 @@ public class AppsManagementActivity extends AbstractGBActivity {
     private WebView webView;
     private GBDevice mGBDevice;
     private DeviceCoordinator mCoordinator;
+    /// It seems we can get duplicate broadcasts sometimes - so this helps to avoid that
+    private int deviceRxSeq = -1;
 
     public AppsManagementActivity() {
     }
@@ -88,7 +94,6 @@ public class AppsManagementActivity extends AbstractGBActivity {
         commandFilter.addAction(GBDevice.ACTION_DEVICE_CHANGED);
         commandFilter.addAction(BangleJSDeviceSupport.BANGLEJS_COMMAND_RX);
         LocalBroadcastManager.getInstance(this).registerReceiver(deviceUpdateReceiver, commandFilter);
-
         initViews();
     }
 
@@ -98,8 +103,14 @@ public class AppsManagementActivity extends AbstractGBActivity {
             switch (intent.getAction()) {
                 case BangleJSDeviceSupport.BANGLEJS_COMMAND_RX: {
                     String data = String.valueOf(intent.getExtras().get("DATA"));
-                    LOG.info("WebView TX: " + data);
+                    int seq = intent.getIntExtra("SEQ",0);
+                    LOG.info("WebView TX: " + data + "("+seq+")");
+                    if (seq==deviceRxSeq) {
+                        LOG.info("WebView TX DUPLICATE AND IGNORED");
+                    } else {
+                        deviceRxSeq = seq;
                         bangleRxData(data);
+                    }
                     break;
                 }
             }
@@ -162,7 +173,11 @@ public class AppsManagementActivity extends AbstractGBActivity {
         settings.setDatabasePath(databasePath);
         webView.addJavascriptInterface(new WebViewInterface(this), "Android");
         webView.setWebContentsDebuggingEnabled(true); // FIXME
-        webView.loadUrl("https://banglejs.com/apps/android.html");
+
+        Prefs devicePrefs = new Prefs(GBApplication.getDeviceSpecificSharedPrefs(mGBDevice.getAddress()));
+        String url = devicePrefs.getString(PREF_BANGLEJS_WEBVIEW_URL, "").trim();
+        if (url.isEmpty()) url = "https://banglejs.com/apps/android.html";
+        webView.loadUrl(url);
 
         webView.setWebViewClient(new WebViewClient(){
             public void onPageFinished(WebView view, String weburl){

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/banglejs/BangleJSDeviceSupport.java

@@ -119,6 +119,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
     // Local Intents - for app manager communication
     public static final String BANGLEJS_COMMAND_TX = "banglejs_command_tx";
     public static final String BANGLEJS_COMMAND_RX = "banglejs_command_rx";
+    int bangleCommandSeq = 0; // to attempt to stop duplicate packets
     // Global Intents
     private static final String BANGLE_ACTION_UART_TX = "com.banglejs.uart.tx";
 
@@ -553,6 +554,7 @@ public class BangleJSDeviceSupport extends AbstractBTLEDeviceSupport {
             // Send an intent with new data
             Intent intent = new Intent(BangleJSDeviceSupport.BANGLEJS_COMMAND_RX);
             intent.putExtra("DATA", packetStr);
+            intent.putExtra("SEQ", bangleCommandSeq++);
             LocalBroadcastManager.getInstance(getContext()).sendBroadcast(intent);
         }
         return false;

app/src/main/res/values/strings.xml

@@ -182,6 +182,8 @@
     <string name="pref_summary_transliteration">Enable this if your device has no support for your language\'s font</string>
     <string name="pref_title_banglejs_text_bitmap">Text as Bitmaps</string>
     <string name="pref_summary_banglejs_text_bitmap">If a word cannot be rendered with the watch\'s font, render it to a bitmap in Gadgetbridge and display the bitmap on the watch</string>
+    <string name="pref_title_banglejs_webview_url">App loader URL</string>
+    <string name="pref_summary_banglejs_webview_url">If you want a custom app loader put your https://…/android.html URL here. Otherwise leave blank for https://banglejs.com/apps</string>
     <string name="pref_title_rtl">Right-To-Left</string>
     <string name="pref_summary_rtl">Enable this if your device can not show right-to-left languages</string>
     <string name="pref_rtl_max_line_length">Right-To-Left Max Line Length</string>

app/src/main/res/xml/devicesettings_banglejs.xml

@@ -6,4 +6,10 @@
         android:key="banglejs_text_bitmap"
         android:summary="@string/pref_summary_banglejs_text_bitmap"
         android:title="@string/pref_title_banglejs_text_bitmap" />
+    <EditTextPreference
+        android:defaultValue=""
+        android:icon="@drawable/ic_engineering"
+        android:key="banglejs_webview_url"
+        android:summary="@string/pref_summary_banglejs_webview_url"
+        android:title="@string/pref_title_banglejs_webview_url" />
 </androidx.preference.PreferenceScreen>