chethann’s gists

chethann / simple hovercard

Created September 17, 2014 08:36

Script to create a simple hovercard with facebook like style!

chethann / FrescoUtils.java

Created July 28, 2016 06:28

Fresco (android image loading library) useful utility functions

	package com.android.fresco;

	import org.apache.commons.lang3.StringUtils;

	import android.graphics.Bitmap;
	import android.net.Uri;
	import android.util.Log;

	import com.facebook.cache.common.CacheKey;
	import com.facebook.cache.common.SimpleCacheKey;

chethann / WebResourceResponse.java

Last active September 29, 2020 18:49

Sample code of WebResourceResponse to load WebView resources from local assets!

	@Override
	public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
	String resourceUrl = request.getUrl().toString();
	String fileExtension = WebviewResourceMappingHelper.getInstance().getFileExt(resourceUrl);
	if(WebviewResourceMappingHelper.getInstance().getOverridableExtensions().contains(fileExtension)){
	String encoding = "UTF-8";
	String assetName = WebviewResourceMappingHelper.getInstance().getLocalAssetPath(resourceUrl);
	if (StringUtils.isNotEmpty(assetName)) {
	String mimeType = WebviewResourceMappingHelper.getInstance().getMimeType(fileExtension);
	if (StringUtils.isNotEmpty(mimeType)) {

chethann / WebResourceResponse.java

Last active May 4, 2021 03:50

Sample code to create WebResourceResponse

	public WebResourceResponse getWebResourceResponseFromAsset(String assetPath, String mimeType, String encoding) throws IOException{
	InputStream inputStream = getActivity().getAssets().open(assetPath);
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
	int statusCode = 200;
	String reasonPhase = "OK";
	Map<String, String> responseHeaders = new HashMap<String, String>();
	responseHeaders.put("Access-Control-Allow-Origin", "*");
	return new WebResourceResponse(mimeType, encoding, statusCode, reasonPhase, responseHeaders, inputStream);
	}
	return new WebResourceResponse(mimeType, encoding, inputStream);

chethann / FrescoSyncCacheRead.java

Created November 28, 2016 15:59

Code to get InputStream of an image synchronously in Fresco

	public static InputStream readFromCacheSync(String imageUrl) {
	CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(ImageRequest.fromUri(imageUrl), null);
	StagingArea stagingArea = StagingArea.getInstance();
	EncodedImage encodedImage = stagingArea.get(cacheKey);
	if (encodedImage != null) {
	return encodedImage.getInputStream();
	}

	try {
	return readFromDiskCache(cacheKey);

chethann / AssetsList.json

Created November 28, 2016 16:03

	{
	"hash": "5d5a03b6cc4edc0cc7d44f46c8ad3b30",
	"urls": [
	"http://myntra.myntassets.com/checkout/build/css/mobile-cart-android-v2-b0533de818b7c79a0c51249a869214dca3f09d53.zip.css",
	"http://myntra.myntassets.com/checkout/build/js/cart-app-android-v2-319197031848b6cc165d220a48a4c96764cb5cc6.zip.js",
	"http://myntra.myntassets.com/checkout/build/js/common-app-android-v2-b001242bcde0440a307bd801bc67f9cb54869924.zip.js",
	"http://myntra.myntassets.com/checkout/build/js/common-app-v2-b001242bcde0440a307bd801bc67f9cb54869924.zip.js",
	"http://myntra.myntassets.com/checkout/images/checkout_sprite_2x_v22.png",
	"http://myntra.myntassets.com/checkout/images/checkout_sprite_v22.png",
	"http://myntra.myntassets.com/checkout/images/sprite-global_v70.png",

chethann / FrescoDownloadBitmap.java

Created November 29, 2016 15:06

	private static void downloadBitmap(ImageRequest imageRequest, Context context, final IBitmapDownloader iBitmapDownloader) {
	DataSource<CloseableReference<CloseableImage>> dataSourceImage = Fresco.getImagePipeline().fetchDecodedImage(imageRequest, context);
	DataSubscriber<CloseableReference<CloseableImage>> dataSubscriberImage = new BaseDataSubscriber<CloseableReference<CloseableImage>>() {
	@Override
	public void onNewResultImpl(DataSource<CloseableReference<CloseableImage>> dataSource) {
	CloseableReference<CloseableImage> imageReference = dataSource.getResult();
	if (imageReference != null) {
	iBitmapDownloader.onSuccess(imageReference);
	}
	else{

chethann / CloseableReferenceToBitmao.java

Created November 29, 2016 15:09

	CloseableReference<CloseableImage> imageRef = imageReference.clone();
	imageRefMap.put(imageUrl,imageRef);
	CloseableImage image = imageRef.get();
	final Bitmap bitmap = ((CloseableBitmap) image).getUnderlyingBitmap();

chethann / CloseableReferenceClose.java

Last active November 29, 2016 15:12

	Iterator<Map.Entry<String, CloseableReference<CloseableImage>>> entries = imageRefMap.entrySet().iterator();
	while (entries.hasNext()) {
	Map.Entry<String, CloseableReference<CloseableImage>> entry = entries.next();
	CloseableReference<CloseableImage> closeableRef = entry.getValue();
	if(closeableRef != null){
	closeableRef.close();
	}
	}

chethann / AllToCacheFresco.java

Created November 29, 2016 15:13

	try {
	CacheKey cacheKey = new SimpleCacheKey(url);
	ByteArrayOutputStream stream = new ByteArrayOutputStream();
	bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
	final byte[] byteArray = stream.toByteArray();
	Fresco.getImagePipelineFactory().getMainDiskStorageCache().insert(cacheKey, new WriterCallback() {
	@Override
	public void write(OutputStream outputStream) throws IOException {
	outputStream.write(byteArray);
	}

	<html>
	<head>
	<title>Simple hovercard</title>
	<script src="http://code.jquery.com/jquery-latest.min.js"
	type="text/javascript"></script>

	<script>
	$(function(){
	$('#hoverbox').mouseleave(function(){
	$('#hoverbox').hide();

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