Appcelerator: PDF Intent

app.js

Ti.UI.setBackgroundColor('#222');

var win = Ti.UI.createWindow({
    navBarHidden: true,
    exitOnClose: true
});
var button = Ti.UI.createButton({
    title: 'open pdf',
    height: '60dp',
    width: '120dp',
    top: '140dp'
});

var appFilePath = Ti.Filesystem.resourcesDirectory + 'w4.pdf';
var appFile = Ti.Filesystem.getFile(appFilePath);
var tmpFile = undefined,
    newPath = undefined;

if (Ti.Filesystem.isExternalStoragePresent()) {
    tmpFile = Ti.Filesystem.createTempFile();
    newPath = tmpFile.nativePath + '.pdf';
    tmpFile.move(newPath);
    tmpFile = Ti.Filesystem.getFile(newPath);
    tmpFile.write(appFile.read());
} else {
    Ti.API.error('No external storage present');
}

button.addEventListener('click', function(e) {
    if (tmpFile) {
        var intent = Ti.Android.createIntent({
            action: Ti.Android.ACTION_VIEW,
            type: "application/pdf",
            data: tmpFile.nativePath
        });
		
        try {
            Ti.Android.currentActivity.startActivity(intent);
        } catch(e) {
            Ti.API.debug(e);
            alert('No apps PDF apps installed!');
        }
    }
});

win.addEventListener('close', function(e) {
    tmpFile.deleteFile();
});

win.add(button);
win.open();