Tag Archives: Lt

Uploading Image to Server – Android Eclipse Version.

By | February 18, 2016

Hi all, In today’s tutorial I will show you how to send an image to server using POST method in ANDROID. If you are working in Android studio, then checkout the article here. Uploading an image to server is a basic requirement in many of our application. Sending data to server which is using a PHP Script is… Read More »

Creating Dynamic table rows and colums in JQuery and removing it one by one.

By | September 4, 2013

Hi all… Apart from Android, I am now going to post something in jquery. In this post I will be showing how to create a dynamic table in jquery and adding data to it using objects and also deleting each row with a remove button in the corresponding row. This is how it is done. At first you… Read More »

FlipCard animation using Fragments in Android.

By | August 17, 2013

Hello all I am back with fragments again. I know you have seen a lot of posts on fragments and fragment animation. This one will be another useful post for you. This post helps you to show a FlipCard animation using Fragments. Let us see how can we do this. At first I will show the activity that… Read More »

How to get a return value from a DialogFragment? or Using DialogFragments in android.

By | July 1, 2013

Hello all…… This post examples how to get an edittext value from a dialog fragment. You can use the same method to get a button click from a dialog or events like that. You can click on the download link to get the source code. At first we will create a layout for the Dialog Fragment. The layout… Read More »

How to display a context menu from a fragment?

By | June 9, 2013

Hello all I think you all know about the context menu in android. It appears as a popup when you long press something. Fragment also provides some methods for registering with the contextmenu and showing it. Let’s see how we can do it. You can click on the download links to download the source code. At first we… Read More »

How to copy a file to another saved in SDCARD in Android?

By | December 30, 2012

Hello all… This tutorial explains how to copy a file contents to another in Android. The file to copy is saved in SDCARD, however you can change the path to save it in your application sandbox. if you want to save it in your sandbox, change the path to /data/data/your_packagename/your_file.extension Now we will see the layout for the… Read More »

How to store an Image from Android to a SQlite and retrieve it?

By | December 23, 2012

Hello all… In today’s post I will show you how to store an image in an SQLite database and retrieve it. First I will just create a Database Helper Class for adding and reading from the Database. Our Database contains only one table “Images” with two columns “id” and “image”. Note : If you want to see the… Read More »

How to create Swiping Windows in Android from Android 2.1 onwards?

By | November 28, 2012

Have you seen the Google Play application in your Android phone. Wondered about how they implemented swiping windows in it. Don’t Worry, Here is an example which implements it. Here we will create three pages which can be swiped to access it. These are the three layouts for the three sections. section1.xml [xml] <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" >… Read More »

How to load a spinner with values from SQlite Database in android?

By | November 18, 2012

Here is a simple example showing how to load a database values in a spinner in android. OK we will start. This is the layout for the spinner row. spinner_row.xml [xml] <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation = "vertical" android:id="@+id/tv" android:layout_margin="10dp"> </TextView> [/xml] This is the layout for the interface. activity_main.xml [xml] <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"… Read More »

How to pass an Object from One Activity to another in Android.

By | November 5, 2012

Hello all This is a simple post that shows How to pass an Object from One Activity to another in Android. I am going to pass the following object from One Activity to another. MyObject{ String name; String website; } This is the class that defines the Object. [java] package com.coderzheaven.passarraylist; import android.os.Parcel; import android.os.Parcelable; public class MyObject… Read More »

How to pass an arraylist value from one activity to another in android?

By | October 28, 2012

This simple example shows how to pass an ArrayList from one activity to another in Android. This is the first activity on which we are sending the arrayList. MainActivity [java] package com.coderzheaven.passarraylist; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.View; import java.util.ArrayList; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) {… Read More »

All about ArrayList – Android.

By | October 12, 2012

[java] package com.coderzheaven.arraylistcomplete; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; import java.util.ListIterator; import java.util.Vector; import android.app.Activity; import android.os.Bundle; public class MainActivity extends Activity { @SuppressWarnings("unchecked") @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ArrayList<String> al = new ArrayList<String>(); System.out.println("Initial size of al: " + al.size()); al.add("C"); al.add("A"); al.add("E"); al.add("B"); al.add("D"); al.add("F"); al.add(1, "A2"); System.out.println("Size of al after… Read More »

Simplest Lazy Loading ListView Example in Android with data populated from a MySQL database using php.

By | September 23, 2012

Hello all… You may have seen many implementations of Lazy Loading ListView. Today I will show you my method to create Lazy Loading ListViews. I dont know whether it can be any more simple than this. In this I am using AsyncTask to download each image. So we will start. Here we have 6 classes. 1. MainPage –… Read More »

How to show error in an EditText using setError() in Android?

By | September 18, 2012

We will go straight to the code. [java] package com.coderzheaven.seterror; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn =(Button)findViewById(R.id.button1); btn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { EditText edittext =(EditText)findViewById(R.id.editText1); if(edittext.getText().length()==0){ edittext.setError("Field cannot be left blank."); }… Read More »

How will you create a custom Notification in Android with a custom Layout?

By | September 15, 2012

This sample application does that. First create an xml for your notification. custom_notification.xml [xml] <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dp" > <ImageView android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_alignParentLeft="true" android:layout_marginRight="10dp" /> <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@id/image" style="Custom Notification Title" /> <TextView android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@id/image" android:layout_below="@id/title" style="Custom Notification Text" /> </RelativeLayout> [/xml] Now the java code. [java] package com.coderzheaven.customnotification; import android.app.Activity;… Read More »

How to create a Scrolling Text (marquee) in android using TextView?

By | September 15, 2012

OK At first we will create the XML that contains a TextView. marqueetext.xml [xml] <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" > <TextView android:text="Really Long Scrolling Text Goes Here…. ….. ………… …. …." android:singleLine="true" android:ellipsize="marquee" android:marqueeRepeatLimit="marquee_forever" android:scrollHorizontally="true" android:id="@+id/TextView03" android:padding="5dip" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout> [/xml] Now the java code [java] package com.example.marqueetext; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.widget.TextView; public… Read More »

Serialization in Android – A Simple example.

By | July 25, 2012

Serializing a class file provides a fast and efficeint way to store information produced by your application! What is serialization? Serialization is essentually taking a screenshot of a class file and its contents. For example, lets say you have the following class: [java] package com.coderzheaven.pack; import java.io.Serializable; public class Person implements Serializable //Added implements Serializable { String name="";… Read More »

How to remove title from AlertDialog in android?

By | July 24, 2012

Hello all.. Today I will show you two simple ways to remove title in an android alertdialog. Actually you can do this in two methods. Method 1 That takes a custom layot file, inflates it, gives it some basic text and icon, then creates it. [java] AlertDialog.Builder builder; AlertDialog alertDialog; Context mContext = getApplicationContext(); LayoutInflater inflater = (LayoutInflater)… Read More »

How to set line spacing in a textview in android?

By | July 21, 2012

This is really simple in android. TextViews has a property called “lineSpacingExtra” which you can change to set the line spacing. [xml]   <TextView  android:text="Data"    android:id="@+id/textview"    android:layout_gravity="top"   android:gravity="left"   android:layout_width="fill_parent"    android:layout_height="wrap_content"   android:layout_centerVertical="true"   android:layout_margin="5dp"   android:padding="5dp"   android:textSize="20sp"   android:lineSpacingExtra="10dp">  </TextView> [/xml] OR you can call textView.setLineSpacing() in the java code itself.

Creating a custom Sliding GalleryView with Paging in android

By | June 28, 2012

This is a simple example showing A sliding Gallery in android. This example shows a sliding gallery with a paging Control and a changing page text which also indicate the page change. Create a new project named “SlidingGallery” and copy this code into “SlidingGalleryDemo.java“. My Activity name is “SlidingGalleryDemo.java” here. [java] package com.coderzheaven.pack; import android.app.Activity; import android.content.Context; import… Read More »

Placing Controls in a Widget in Android and Listening to the events from them.

By | June 15, 2012

Hello everyone.. I have already shown how to create a simple widget and add it to the home screen in my previous posts. If you have missed these posts please check it here. How to create a widget in android? In the next post I showed you how to listen to a widget delete action and delete the… Read More »

How to upload files to server using the new FileUpload control in C#/C-Sharp ?

By | June 6, 2012

Hi, For uploading files to server using the new FileUpload control in C#, [c] <%@ Page Language="C#"%> <script runat="server"> protected void Button1_Click(object sender, EventArgs e) { if (FileUpload1.HasFile) try { FileUpload1.SaveAs("C:\\Uploads\\" + FileUpload1.FileName); Label1.Text = "File name: " + FileUpload1.PostedFile.FileName + "<br>" + FileUpload1.PostedFile.ContentLength + " kb<br>" + "Content type: " + FileUpload1.PostedFile.ContentType; } catch (Exception ex) {… Read More »

Uploading Files to Server in C#/C-Sharp

By | June 6, 2012

Hi, For uploading files to server in C#/C Sharp, [c] <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="UploadFile" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:FileUpload ID="Uploader" runat="server" Height="24px" Width="472px" />&nbsp; <asp:Button ID="cmdUpload" runat="server" Height="24px" OnClick="cmdUpload_Click" Text="Upload" Width="88px" /><br /> <br /> <asp:Label ID="lblInfo" runat="server" EnableViewState="False"… Read More »

How to include multiple c files to compile in android NDK?

By | April 28, 2012

I ran into problem when I had multiple C files in my project. Single C file was OK for me. I was getting undefined reference error while doing this. Then I found out the solution after a lot of search in google. You can check this post before going through this post. This is about setting up NDK… Read More »