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Hello forum,
Sorry I'm newbie here, I try to develop a color pick app using Intel XDK, it works well on emulator, but when i try to test on real device, it won't
do you guys have any suggestion for this problem?
- Tags:
- HTML5
- Intel® XDK
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just check the link must be like folder/imagename.jpg or something like that. try to copy the code for more info
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nicolas r. wrote:
just check the link must be like folder/imagename.jpg or something like that. try to copy the code for more info
I've to put the image one folder with index page,
for the code please check below
<!DOCTYPE html> <html> <head> <title>Choose Your Color</title> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <meta name="viewport" content="width=device-width, minimum-scale=1, initial-scale=1, user-scalable=no"> <script src="//code.jquery.com/jquery-1.12.0.min.js"></script> <style> @-ms-viewport { width: 100vw ; min-zoom: 100% ; zoom: 100% ; } @viewport { width: 100vw ; min-zoom: 100% zoom: 100% ; } @-ms-viewport { user-zoom: fixed ; min-zoom: 100% ; } @viewport { user-zoom: fixed ; min-zoom: 100% ; } body { margin: 0px; padding: 0px; } </style> </head> <body> <center> <canvas id="myCanvas" width="256" height="256"></canvas> <div id="r">R: <input type="text"></input></div> <div id="g">G: <input type="text"></input></div> <div id="b">B: <input type="text"></input></div> <p id="teks">buat al</p> <p id="dataAccel">1</p> </center> <script> var red; var green; var blue; // create an image object and get it’s source var img = new Image(); img.src = 'color-picker.png'; //this is the image // copy the image to the canvas $(document).ready(function(){ $(img).load(function(){ canvas.drawImage(img,0,0); }); $('#myCanvas').click(function(event){ // getting user coordinates var x = event.pageX - this.offsetLeft; var y = event.pageY - this.offsetTop; // getting image data and RGB values var img_data = canvas.getImageData(x, y, 1, 1).data; red = img_data[0]; green = img_data[1]; blue = img_data[2]; //var rgb = R + ',' + G + ',' + B; $('#r input').val(red); $('#g input').val(green); $('#b input').val(blue); }); }); </script> </body> </html>
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I recommend that you cross reference canvas support with the version of Android that it should be supported on. You can find out more information at http://caniuse.com/#search=canvas.
I also recommend doing a Crosswalk for Android build since this build target provides access to all the latest HTML5 features.

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