android: wip use setInterval for actTrk

apps/android/boot.js

@@ -20,6 +20,8 @@
     // feed a copy to other handlers if there were any
     if (_GB) setTimeout(_GB,0,Object.assign({},event));
 
+    let fetchRecInterval;
+
     /* TODO: Call handling, fitness */
     var HANDLERS = {
       // {t:"notify",id:int, src,title,subject,body,sender,tel:string} add
@@ -244,26 +246,29 @@
       "fetchRec": function() { // GB({t:"fetchRec", id:"20230616a"})
         // TODO: Decide on what names keys should have.
         let log = require("Storage").open("recorder.log"+event.id+".csv","r");
-        let line = "init";// = log.readLine();
+        let lines = "init";// = log.readLine();
 
         gbSend({t:"actTrk", log:event.id, line:""}); // Empty line will prompt Gadgetbridge to erase the contents of a already fetched log so we can rewrite it without keeping lines from the previous (probably failed) fetch.
-        while (line) {
-          line = log.readLine();
-          gbSend({t:"actTrk", log:event.id, line:line});
-        }
 
-        //// Alternate way to send line, to try and avoid getting malformated JSON lines to Gadgetbridge.
-        //// My thinking is maybe the Bangle.js bt send que (??) get too full sometimes, this was an attempt to mitigate that.
-        //// Initial tests rendered new problems. Might come back to this.
-        //let sendLine = ()=>{
+        //while (line) {
         //  line = log.readLine();
         //  gbSend({t:"actTrk", log:event.id, line:line});
-        //  if (!line && fetchRecInterval) {
-        //    clearInterval(fetchRecInterval);
-        //    delete fetchRecInterval;
-        //  }
         //}
-        //fetchRecInterval = setInterval(sendLine, 100)
+
+        // Alternate way to send lines, to try and avoid getting malformated JSON lines to Gadgetbridge.
+        // My thinking is maybe the Bangle.js bt send que (??) get too full sometimes, this was an attempt to mitigate that.
+        // Initial tests rendered new problems. Might come back to this.
+        let pkgcnt = -1
+        let sendlines = ()=>{
+          lines = log.readline()+log.readline()+log.readline()+log.readline();
+          pkgcnt++;
+          gbSend({t:"actTrk", log:event.id, cnt:pkgcnt, lines:lines});
+          if (!lines && fetchRecInterval) {
+            clearInterval(fetchRecInterval);
+            delete fetchRecInterval;
+          }
+        }
+        fetchRecInterval = setInterval(sendlines, 100)
 
       },