Tag Archives: File Java

How to create a Slide from Left animation while deleting a row from a ListView in Android?

By | September 12, 2012

Hello all…… I have written a lost of posts on Listviews. You can see that by just searching Listviews in my site. Today I will show you how to create a slide out animation while we delete a row from a ListView. So this is the xml that contains the ListView. Let it be in the main.xml main.xml… Read More »

How to read and write files to SDCARD and application SandBox in Android – A complete example?

By | September 6, 2012

Here is a complete example of How to read and write files to SDCARD and application SandBox in Android. First create a new project and inside the mainActivity paste this code. [java] package com.coderzheaven.filesexample; 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; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener { EditText edittext;… Read More »

How to make a http call repeatedly from a service in android?

By | July 14, 2012

We may have applications in which we may have to make repeated calls to a webservice. At that time services may be useful. This is such an example in which we will be creating a Service in android to create a repeated call to a webservice in a time delay of some seconds or milliseconds. OK We will… Read More »

How to create CustomProgressBar in android – Part 3?

By | May 23, 2012

Hello all… In my previous posts I have shown two methods to create custom progressbar in android. Check out these tutorials to find out how? 1. How to build a custom progressBar in android- Part 2? 2. Custom progressbar in android with text – part 3 Today in this post I will show you a third method. Here… Read More »

Custom progressbar in android with text – part 3

By | May 18, 2012

Hello all…… I have posted two posts on how to customize a progressbar in android. 1. Custom Indeterminate progressBar for android? 2. How to build a custom progressBar in android- Part 2? Here is another one with update text on top of the progressbar. Here is how we start. After creating a fresh project create a new java… Read More »

How to build a custom progressBar in android- Part 2?

By | May 12, 2012

Hello all……. Today I am going to show you how to create a custom progressbar in android. Previously in another posts I have already shown how to build a custom indeterminate progressbar in android. And in this post I will show you how to customize the horizontal progressbar. OK Now we will start. First create a fresh project… Read More »

How to download a file from a remote site in android? – Another simple example – Method -3

By | May 7, 2012

Hello all ……. I have shown many examples on how to download and upload files in android through this site. These are other methods for downloadign a file in android. 1. How to Download an image in ANDROID programatically? 2. How to download a file to your android device from a remote server with a custom progressbar showing… Read More »

How to download a file to your android device from a remote server with a custom progressbar showing progress?

By | April 29, 2012

Actually this is really simple. I have already posted an example for how to download a file in this post. How to Download an image in ANDROID programatically? This is another one little different with a progressbar included. Previously I have shown three other methods to upload files to a server. Check these posts to refer this. 1.… 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 »

How to read and write a text file that is stored in your application sandbox in ANDROID?

By | April 22, 2012

Hi all….. In this post I will show you how to read a text file in ANDOID. Let your file is in the your application sandbox of your ANDOID project, i.e the file’s location is /data/data/your_package_name folder. To view this folder -> open File Explorer and expand each folder. For this example to work first push te file… Read More »

How to change the hint text color in android?

By | April 20, 2012

Hello all.. This simple example will show you how to change the hint text color in android Here is the java code to simply do this. [java] youredittext.setHint(Html.fromHtml("<font color=’#FF0000′>Hello</font> ")); [/java] here is a sample project to view the difference. This is the contents of the main java file. [java] package com.coderzheaven.pack; import android.app.Activity; import android.os.Bundle; import android.text.Html;… Read More »

How to take screenshot of your phone in android through code?

By | April 7, 2012

Hey all… This is a very simple thing to do in android. Just copy this code to see this. here is the main java file [java] package pack.coderzheaven; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.drawable.BitmapDrawable; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; public class ScreenShotDemo extends Activity { LinearLayout L1; ImageView image; @Override public void onCreate(Bundle… Read More »

Starting with NDK for Android – A Simple example. OR How to run a C code in android?

By | March 25, 2012

Hello Friends…. Today I am going to talk about how to use ndk in android to run c code. Note : These steps are for Mac and Linux Users not for Windows users. Follow these step exactly to set up and run ndk in android. 1. I think that you are having your eclipse and android uptodate. 2.… Read More »

Using WebView to call a function in android java code or How to use a WebViewClient in android?

By | January 1, 2012

Hello everyone Today I will explain how will you call a function that is defined inside the java android code from a webview. For this we need to add a webviewclient in android for the WebView we are adding in the xml. Then we have to register the webviewclient with the WebView we are creating using this method.… Read More »

How to create a custom layout for your camera in Android?

By | December 28, 2011

Hello everyone, Today’s example shows how to create a custom layout for your camera preview, that is if you want a custom layout while your camera is opening. This example helps you to achieve this. First create a fresh project and name it CameraCustomLayout and copy this code to CameraCustomLayout.java file. [java] package com.coderzheaven.pack; import java.io.IOException; import android.app.Activity;… Read More »

How to change the default transition between activities?

By | October 26, 2011

In android the default transition between activities is to slide from left to right. But with custom animations we can change that. First create a folder inside the res/drawable folder called “anim”. Then create a file named “fade.xml” and copy this code into it. [xml] <?xml version="1.0" encoding="utf-8"?> <alpha xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/accelerate_interpolator" android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="@android:integer/config_longAnimTime" /> [/xml] create another… Read More »

How to create a custom ListView in android?

By | October 13, 2011

Hello all….. In today’s tutorial I will show you how to create a custom listview in android. For that we need 3java files. One holding the ListView itself another a Model object that holds the data for the listview and the third one for the Adapter which extends the ArrayAdapter class for holding the model. First the Model.java… Read More »

How to create a splash screen in android?

By | September 10, 2011

Hello everyone today i will show you how to create a splash screen in android. This is one of the simplest ways to create a splash screen however there are another ways to create the splash screen. Lets look at the code. We need two layouts one for the splash screen and another for the first screen that… Read More »

How to Download an image in ANDROID programatically?

By | July 7, 2011

Hello everyone.. In one of my tutorials I have shown you how to upload an image in android.. In todays tutorial I will show you how to download an image into your phone programatically. I am just picking up an image url from google to show the download. Previously I have shown three other methods to upload files… Read More »

How to set a UITextView font type and size in iPhone ?

By | June 23, 2011

Hi, In order to set the font type of UITextView, do the following. In your .h class file, [java]IBOutlet UITextView *urTextView;[/java] In your .m class file, [java][urTextViewsetFont:[UIFont fontWithName:@"Arial Rounded MT Bold" size:18]];[/java] This will set ‘urTextView’ with font name ‘Arial Rounded MT Bold’ with font size 18. 🙂

How to send email from and ANDROID Application programatically?

By | May 16, 2011

Hello all…….. In today’s post I will show you send mail from an android application progrmatically.. Let’s go to the code fast…… This is the code in the mail java file…. [java] package com.coderzheaven; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class sendMailDemo extends Activity { Button send;… Read More »

TextView with link in ANDROID…….

By | May 10, 2011

Hi all……. All of you may be familiar with TextViews in ANDROID. But how many of you know that we have have html as text in a textView. This post is a simple example to show this. Create a fresh project and copy this code to the main java file. [java] package com.coderzheaven; import android.app.Activity; import android.os.Bundle; import… Read More »

Customizing your button or TextView or another view in ANDROID.

By | April 30, 2011

Beautifying our applications is one of the main features of your application’s success. In ANDROID there are many possible ways to do this. For eg. We need to have different colors for our buttons, However we can give backgrounds for buttons and all. But we can do many by using our custom xml files, like changing colors on… Read More »

How to create a scrolling ListView in android?

By | March 12, 2011

ListView is like a tableView in iPhone or iOS . In this example i will show you how to add a String Array in to the ListView and also make the listView Scrollable. First the xml file . Here the line android:scrollbars=”vertical” will make the scrolling vertically [xml] <?xml version="1.0" encoding="utf-8"?> <relativeLayout android:id="@+id/widget32" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <listView… Read More »