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Creating a button to display permanently on screen in Android

+1 vote
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How to create an application like button savior that display a button or a group of buttons on the screen when we turn them on PERMANENTLY. I tried to found solution for it but i failed. Please provide the solution for it or any example

posted Mar 19, 2013 by Salil Agrawal

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file:///android_asset/www/sm_libraries/sm_custome/graphClass.js: Line 21 : ReferenceError: Can't find variable: Gauge

Following is code sample

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<script type="text/javascript" src="sm_libraries/sm_custome/graphClass.js"></script>
</body>
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The Js Class in which it shows error is

// JavaScript Document

var GraphClass =
{
    gauges:[],
    cal:0,
    createGauge:function(name, label, min, max)
    {
        var config = 
        {
           size: 120,label: label,min: undefined != min ? min : 0,max: undefined != max ? max : 100,minorTicks: 5
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       var range = config.max - config.min;
       config.yellowZones = [{ from: config.min + range*0.75, to: config.min + range*0.9 }];
       config.redZones = [{ from: config.min + range*0.9, to: config.max }];
       GraphClass.gauges[name] = new Gauge(name + "GaugeContainer", config); // **In this line it shows error in eclipse emulator but correct in browsers**
       GraphClass.gauges[name].render();
   },
createGauges:function()
{
    GraphClass.createGauge("cb_graph", "Calories Burn",0,2600);
    GraphClass.createGauge("cn_graph", "Calories Gain",0,localStorage.getItem("DailyRequiredCalories"));
},
updateGauges:function()
{
    for (var key in GraphClass.gauges)
    {
        var value = GraphClass.getRandomValue(GraphClass.gauges[key]);
        GraphClass.gauges[key].redraw(value);
    }
},
getRandomValue:function(gauge)
{
    var overflow = 0; //10;
    console.log(gauge.config.min+" - "+overflow+" + ( "+gauge.config.max+" - "+gauge.config.min+" + "+overflow*2+")*"+Math.random());
    //return gauge.config.min - overflow + (gauge.config.max - gauge.config.min + overflow*2) *  Math.random();
    return GraphClass.cal;
},
initialize:function(cal)
{
    $('#cb_graphGaugeContainer').empty();
    $('#cn_graphGaugeContainer').empty();
    //alert(cal);
    GraphClass.cal = cal;
    GraphClass.createGauges();
    GraphClass.updateGauges();
    }
}
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