GVSharma gvsharma

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Programming, Java, Kotlin, Distributed systems

gvsharma / XML Parser and ServiceResponce Listener

Last active August 29, 2015 14:01

A java class very useful for SAX parsing

	import java.io.BufferedInputStream;
	import java.io.BufferedOutputStream;
	import java.io.ByteArrayOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.io.StringReader;
	import java.net.MalformedURLException;
	import java.net.URL;

gvsharma / Timer Task

Created May 26, 2014 11:18

code snippet to do a task repeatedly using timer in android

	timer = new Timer();
	timer.schedule(new TimerTask() {

	@Override
	public void run() {
	getActivity().runOnUiThread(new Runnable() {

	@Override
	public void run() {
	fetchallMessages(match_id,true);

gvsharma / ViewPager inside a Fragment

Created May 26, 2014 11:31

ViewPager in Fragment to swipe items

	In the Fragment :

	TabsPagerAdapter mAdapter = new TabsPagerAdapter(getChildFragmentManager(),itemsList);
	viewPager.setAdapter(mAdapter);
	viewPager.setOnPageChangeListener(new OnPageChangeListener() {
	@Override
	public void onPageSelected(int arg0) {

	}

gvsharma / JSON Service Handler

Last active April 12, 2018 07:25

android JSON service Handler

	public class ServiceHandler {

	static String response = null;
	public final static int GET = 1;
	public final static int POST = 2;

	public ServiceHandler() {

	}

gvsharma / calculateInSampleSize method

Created June 5, 2014 05:16

upload an image to server(provided webservice) using POST,

	public static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
	final int height = options.outHeight;
	final int width = options.outWidth;
	int inSampleSize = 1;

	if (height > reqHeight \|\| width > reqWidth) {
	if (width > height) {
	inSampleSize = Math.round((float) height / (float) reqHeight);
	} else {
	inSampleSize = Math.round((float) width / (float) reqWidth);

gvsharma / download an image from server

Created June 5, 2014 05:21

dounloading an image from server and save it in file

	Here arg[0] --> is the image url that we have to pass to this asynctask as parameter.

	public class DownloadImage extends AsyncTask<String, Integer, Bitmap> {

	@Override
	protected void onPreExecute() {
	super.onPreExecute();

	}

gvsharma / dataIntoPdf method

Last active August 29, 2015 14:02

Generating pdf with qPDF(qoppa software) library(refer http://www.qoppa.com/android/pdfsdk/)

	public void dataIntoPdf(int noOfLines, ArrayList<Info> bookInfosById, PDFCanvas canvasId){
	try {
	float x = 40f;
	float y = 60f;
	for (int j = 0; j < bookInfosById.size();j++) {
	int z = j;
	Info myInfos = bookInfosById.get(j);
	if (z < noOfLines) {
	for (int v = 0; v <= z; v++) {
	if (z == v) {

gvsharma / getTmepFile() method

Created June 5, 2014 05:49

getting an image from camera or gallery and set it as

	private Uri getTempFile(){
	File root = new File(Environment.getExternalStorageDirectory(), "fashion_swap");
	if (!root.exists()){
	root.mkdirs();
	}
	String filename=""+System.currentTimeMillis();
	File file = new File(root,filename+".jpeg" );
	Uri muri = Uri.fromFile(file);
	selectedImagePath = muri.getPath();
	Log.v("take picture path",selectedImagePath);

gvsharma / SimpleXmlRequest.java

Last active August 29, 2015 14:06 — forked from itsalif/SimpleXmlRequest.java

	import java.io.UnsupportedEncodingException;
	import java.util.Map;

	import org.simpleframework.xml.Serializer;
	import org.simpleframework.xml.core.Persister;

	import com.android.volley.AuthFailureError;
	import com.android.volley.NetworkResponse;
	import com.android.volley.ParseError;
	import com.android.volley.Request;

gvsharma / gist:b46d69a278060e64b7df173e6e50e333

Created May 24, 2016 08:13 — forked from baoyongzhang/gist:737dd0461e61e5b59e6c

Android Blur

	public class BlurUtil {

	public static Bitmap blur(Context context, Bitmap sentBitmap, int radius) {

	if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN) {
	Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);

	final RenderScript rs = RenderScript.create(context);
	final Allocation input = Allocation.createFromBitmap(rs, sentBitmap, Allocation.MipmapControl.MIPMAP_NONE,
	Allocation.USAGE_SCRIPT);