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--- built_in:app_events [2014/10/13 16:19]
stevegarman
+++ built_in:app_events [2018/12/30 13:31] (current)
@@ Line 3: / Line 3: @@
 They are
-^Function ^Called when ^
+^ Function        ^ Called when                                                                 ^
-|OnStart()|application is created |
+| OnStart()       | application is created                                                      |
-|OnMenu( name ) |user selects a menu item |
+| OnMenu( name )  | user selects a menu item                                                    |
-|OnBack() |the back key is pressed but only if it follows app.EnableBackKey( false ); |
+| OnBack()        | the back key is pressed but only if it follows app.EnableBackKey( false );  |
-|OnPause()|application is paused. (eg. When user switches to home screen)|
+| OnPause()       | application is paused. (eg. When user switches to home screen)              |
-|OnResume() |application is resumed. (eg. When user returns from home screen) |
+| OnResume()      | application is resumed. (eg. When user returns from home screen)            |
-|OnConfig() |configuration changes. (eg. When user rotates phone) |
+| OnConfig()      | configuration changes. (eg. When user rotates phone)                        |
-|OnAlarm() |an alarm previously set by app.SetAlarm() is triggered |
+| OnAlarm()       | an alarm previously set by app.SetAlarm() is triggered                      |
+| OnData()        | data sent by Android Intents                                                |
 The code of the sample that is bundled with DroidScript is reproduced below without permission. Hope you don't mind, guys.
@@ Line 20: / Line 21: @@
 	app.SetMenu( "MyMenu1,MyMenu2" );
 	app.EnableBackKey( false );
-}
+        //Get current time in milliseconds.
+        var now = new Date().getTime();
+        //Set alarm for 3 seconds time.
+        app.SetAlarm( "Set", 1234, OnAlarm, now + 3000 ); }
 //Called when user selects a menu item.
@@ Line 54: / Line 59: @@
 {
 	app.ShowPopup( "OnConfig" );
+}
+//Called when alarm is triggered.
+//(Even if your app is closed)
+function OnAlarm( id )
+{
+    app.ShowPopup( "Got Alarm: id = " + id );
+}
+//Handle data sent from other apps.
+function OnData( isStartUp )
+{
+   	//Display intent data.
+	var intent = app.GetIntent();
+	if( intent )
+	{
+            //Extract main data.
+            var s = "action: " + intent.action + "\n";
+            s += "type: " + intent.type + "\n";
+            s += "data: " + intent.data + "\n\n";
+            //Extract extras.
+            s += "extras:\n";
+            for( var key in intent.extras )
+                s += key+": "+intent.extras[key] + "\n";
+            app.Alert( s, "OnData" );
+	}
+}
+</code>
+=====OnConfig=====
+The following code can be useful if you want to change the layout in the OnConfig event.
+<code javascript>
+//Called when application is started.
+function OnStart()
+{
+  //Create a layout with objects vertically centered.
+  lay = app.CreateLayout( "linear", "VCenter,FillXY" );
+  var test = app.GetOrientation();
+  var hv = "Vertical";
+  if( test=="Landscape") hv= "Horizontal";
+  lay.SetOrientation( hv );
+  txt = app.CreateText( "Hello " );
+  txt.SetTextSize( 64);
+  lay.AddChild( txt );
+  txt1 = app.CreateText( "Goodbye" );
+  txt1.SetTextSize( 64 );
+  lay.AddChild( txt1 );
+  app.AddLayout( lay );
+}
+//Called when screen rotates
+function OnConfig()
+{
+  var test = app.GetOrientation();
+  var hv = "Vertical";
+  if( test=="Landscape") hv= "Horizontal";
+  lay.SetOrientation( hv );
 }
 </code>

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