built_in:nxt_isconnected
Differences
This shows you the differences between two versions of the page.
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built_in:nxt_isconnected [2015/03/10 20:59] madlyr created IsConnected |
built_in:nxt_isconnected [2015/03/11 18:03] |
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| - | ====== IsConnected ====== | ||
| - | The **IsConnected** function returns true if the NXT brick is currently connected to the phone/ | ||
| - | < | ||
| - | |||
| - | ====Example - IsConnected Connect / Disconnect to NXT with FontAwesome icons==== | ||
| - | <file javascript NxtConnect.js> | ||
| - | var nxt, lay; | ||
| - | function OnStart() | ||
| - | { | ||
| - | lay = app.CreateLayout( " | ||
| - | |||
| - | //Create Connect button. | ||
| - | btnConnect = app.CreateButton( " | ||
| - | btnConnect.SetMargins( 0.1, 0.01, 0.1, 0.01 ); | ||
| - | btnConnect.SetTextSize( 24 ); | ||
| - | btnConnect.SetOnTouch( btnConnect_OnTouch ); | ||
| - | lay.AddChild( btnConnect ); | ||
| - | |||
| - | app.AddLayout( lay ); | ||
| - | |||
| - | nxt = app.CreateNxt(); | ||
| - | nxt.SetOnConnected(onNXTConnected); | ||
| - | } | ||
| - | |||
| - | function onNXTConnected() | ||
| - | { | ||
| - | if (nxt.IsConnected()) { | ||
| - | btnConnect.SetText(" | ||
| - | app.ShowPopup( " | ||
| - | } | ||
| - | } | ||
| - | |||
| - | function btnConnect_OnTouch() | ||
| - | { | ||
| - | if (nxt.IsConnected()) { | ||
| - | app.ShowPopup( " | ||
| - | nxt.Disconnect(); | ||
| - | btnConnect.SetText(" | ||
| - | } else { | ||
| - | //Show list of NXT devices. | ||
| - | nxt.ShowDevices(); | ||
| - | } | ||
| - | } | ||
| - | </ | ||
built_in/nxt_isconnected.txt ยท Last modified: 2015/03/11 18:03 (external edit)
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