Hi all if you have been a regular visitor of this website you have seen that I have shown you how to create a simple widget, adding controls to it, adding event handlers in the views etc… Do check this website for more tutorials on widgets. You can find other tutorials by following this LINK. This tutorial is… Read More »
I have already shown another example of creating custom spinner in android in this post. That was by extending the ArrayAdapter class, Now it’s using the baseAdapter class. You all knew that a spinner or combobox is an inbuilt widget in android. And Like any other widgets spinners are also customizable. Here is a simple example to customize… Read More »
This is a sample program that launches the camera and crop the captured image. Check this link to another crop image example. http://www.coderzheaven.com/2011/03/15/crop-an-image-in-android/ This is the layout xml. activity_main.xml Now this is the Main Java File that implements the crop functionality. Here we are using the “com.android.camera.action.CROP” Intent to crop the Image passing the captured Image URI to… Read More »
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 This is the layout for the interface. activity_main.xml Now this is the MainActivity.java file that uses the spinner and the database. Join the Forum discussion on this post… Read More »
I have already shown some examples with ActionBar. This is the example showing how to start with ActionBar in android. 1. Android removes the need of Menu button from devices with ActionBar. 2. How to start with ActionBar in Android? 3. Dynamically Adding, Removing, Toggling and Removing all ActionBar Tabs in Android – Part 2? Now today I… Read More »
Hi all.. In today’s post I will show you how to add actionbar tabs dynamically, remove one by one , hide and unhide them, removing all tabs at once etc. This simple java code does that. First create a project and in the MainActivity, paste this. You may be getting many errors, we will be resolving all that… Read More »
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 »
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. Now create another class named MyFile.java and copy this code into it. Now the layout for the xml file. Note you should give this permission in the… Read More »
In android for each time picker Dialog we can associate with a dialog. So with this dialog and a global variable we can have any number of Dialog listeners. Here is the sample java code. This is the layout file – main.xml MyAndroidAppActivity .java Please leave your valuable comments on this post.
With Android 3.0 Google eliminated the need of hardware menu button which is replaced by Action Bars. Here is a quick example on how to use ActionBars. First create a new project and name it ActionBarExample. Now create a folder named “menu” in res folder and create a new XML file inside it named “action_bar_menu.xml”. action_bar_menu.xml Now the… Read More »
Hello all….. This is a simple trick where we can make the Button appear like a TextView in Android. This is done by setting the background of Button to null like this. b.setBackgroundDrawable(null); This is the xml that contains the button.
Here is a simple Application on how to use flashlight in android. Now the layout file main.xml. AndroiManifest.xml file contents. Make sure to add the permissions. Download the android java source code from here. please leave your valuable comments on this post.
Hello everyone… Today I will show you how to create a simple widget in android? First create a new project and name it “Widget1” and name the activity “WidgetDemo1“. Actually we dont need the activity class here. You can delete it and delete the corresponding entry of it from the AndroidManifest file also. Now we will make the… Read More »
Hello everyone… In today’s tutorial I will show you how to create a custom toggle button in android. Often in our applications we don’t need a default toggle button, so I will show you how to change that to make a toggle button according to your need. First I will create a fresh project named “CustomToggleButton” and name… Read More »
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 »
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 »
Hello everyone… I have already shown you how to override default animation between activities. Today I will show a zoom in and out animation between activities. Take a look at this post for another animation between activities. Create files named zoom_enter.xml and zoom_exit.xml in the res/anim folder. zoom_enter.xml file contents. zoom_exit.xml file contents. Now replace this is in… Read More »
Hello all…. This post is also about uploading an image to server from your android device. Previously I have shown three other methods to upload an image to a server. Check these posts to refer this. 1. Uploading audio, video or image files from Android to server 2. How to Upload Multiple files in one request along with… Read More »
Hello all.. I have shown two other examples for creating a connection between android and php. But still users are finding difficulty in grasping it. These are other posts. Android phpMysql connection. Android phpmySQL connection redone. Here is one more post on this which is even more detailed. OK we will start now. First create a fresh project… Read More »
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. here is a sample project to view the difference. This is the contents of the main java file. The main.xml file Here I am setting a read color to the second edittext… Read More »
Hello all…. I have covered many tutorials on styles on how to implement and use them. Today I will show you how to inherit from other styles or how to extend a style already created by you and use it for applying to other views. Here is one of my previous posts. http://www.coderzheaven.com/2012/02/03/changing-the-style-or-theme-of-default-alertdialog-in-android/ Another one is here.. http://www.coderzheaven.com/2011/06/19/styling-text-in-android-through-xml/… Read More »