Appcelerator Titanium PDF Viewer Demo 2 - If not already copied, then retrieve PDF from resource directory and store in file system and view

README.md

#PDF Viewer demo - Application Resource

1. For Android check if PDF has been copied to SDCard
2. if not, then copy to SDCard and open

• use docviewer on ios and exernal app (via intent) on android

3. if so, then open pdf

• use docviewer on ios and exernal app (via intent) on android

Note that Android, the file is stored in the externalStorageDirectory (SDCard) so deleting the application will not remove the pdf form the SDCard. Use a File Manager app (pn Android) to delete the file

Remember to make sure you have a PDF viewer installed on your Android device or emulator

index.js

function doClick(e) {
    //alert($.label.text);
    openPDF();
}

function viewPDF(appfilepath) {
	if(OS_ANDROID) {
		try{
			Ti.Android.currentActivity.startActivity(Ti.Android.createIntent({
				action: Ti.Android.ACTION_VIEW,
				type: 'application/pdf',
				data: appfilepath
			}));
		} catch(e) {
			Ti.API.info('error trying to launch activity, e = '+e);
			alert('No PDF apps installed!');
		}
	} else {
		docViewer = Ti.UI.iOS.createDocumentViewer({url:appfilepath});
		docViewer.show();
	}
}

function openPDF() {
	var appFile;
	
	if(OS_ANDROID) {
		//copy from app directory to SDCard (once)
		var originalFile = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, 'map.pdf');
		appFile = Ti.Filesystem.getFile(Ti.Filesystem.externalStorageDirectory, 'map.pdf');
		if(appFile.exists()===false) {
			appFile.write(originalFile.read());
		}
	} else {
		appFile = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, 'map.pdf');
	}
	Ti.API.info('appFile = '+appFile);
	var appfilepath = appFile.nativePath;
	Ti.API.info('appFile.nativePath = '+appFile.nativePath);
	
	viewPDF(appfilepath);
}

$.index.open();

index.tss

".container": {
	backgroundColor:"white"
}

"Label": {
	width: Ti.UI.SIZE,
	height: Ti.UI.SIZE,
	color: "#000"
}

"#label": {
	font: {
		fontSize: 12
	}
}

index.xml

<Alloy>
	<Window class="container">
		<Label id="label" onClick="doClick">Open PDF</Label>
	</Window>
</Alloy>