androidforbeginners.blogspot.com
android for beginners: Android Adapters: an introduction
http://androidforbeginners.blogspot.com/2010/01/android-adapters-introduction.html
Saturday, January 30, 2010. Android Adapters: an introduction. Object acts as a bridge between an AdapterView. And the underlying data for that view. The Adapter provides access to the data items. The Adapter is also responsible for making a View. For each item in the data set. Is a view whose children are determined by an Adapter. Some examples of AdapterViews are ListView, GridView, Spinner and Gallery. There are several types or sub-classes of Adapter:. An easy adapter to map static data to views defi...
androidforbeginners.blogspot.com
android for beginners: How do you make money with your Android app?
http://androidforbeginners.blogspot.com/2011/05/how-do-you-make-money-with-your-android.html
Saturday, May 28, 2011. How do you make money with your Android app? Obviously not the best way to make money, but a good way to get your name out there, and earn some good karma points while you're at it. Without charging for the app itself, you have to use advertising or in-app purchases or other tie-ins in order to make money (see next). Https:/ www.admob.com/. Http:/ www.smaato.com/. Http:/ www.tooyoou.com/. Free with in-app purchases? In-app billing/virtual goods/virtual currencies:. Unlike in-app p...
androidforbeginners.blogspot.com
android for beginners: 'An error has occurred' when working with Bitmaps
http://androidforbeginners.blogspot.com/2011/11/error-has-occurred-when-working-with.html
Sunday, November 20, 2011. An error has occurred' when working with Bitmaps. On a recent project I needed to rotate and slice images taken from the camera, and I found that I was getting regular, but annoying to track down 'an error has occurred' messages. I couldn't see anything in particular that was wrong with my code, and what made it worse was that I wasn't receiving any errors at all in the emulator, only when I deployed the app to my phone for testing. That's not a lot of 6 MB photos. The problem ...
androidforbeginners.blogspot.com
android for beginners: Using EditText's inputType to control what type of keyboard is shown
http://androidforbeginners.blogspot.com/2010/10/using-edittexts-inputtype-to-control.html
Monday, October 4, 2010. Using EditText's inputType to control what type of keyboard is shown. As software developers, there are many circumstances in which you'll want to limit the input options available to your users. We've all seen situations along the lines of the person who enters ' two. In a field where we've only been expecting the number 2. Oh how that screws things up! Oh the laughs we've had eh? You can set your editText inputType as ‘ Phone. EditText android:id="@ id/etWidth1" android:hint="@...
androidforbeginners.blogspot.com
android for beginners: Handling Button clicks in a ListView Row
http://androidforbeginners.blogspot.com/2010/03/clicking-buttons-in-listview-row.html
Saturday, March 6, 2010. Handling Button clicks in a ListView Row. Lets say you have a spinner widget, like the one we created in our 'colours' example. And you wanted to put a button on each row of your spinner for your users to click (everyone loves clicking buttons, right? You might have a layout a bit like this simple one below:. Xmlns:android="http:/ schemas.android.com/apk/res/android". TextView android:text="this is a row". Containing just a textView and a Button View. You may have noticed this.
androidforbeginners.blogspot.com
android for beginners: May 2011
http://androidforbeginners.blogspot.com/2011_05_01_archive.html
Saturday, May 28, 2011. How do you make money with your Android app? Obviously not the best way to make money, but a good way to get your name out there, and earn some good karma points while you're at it. Without charging for the app itself, you have to use advertising or in-app purchases or other tie-ins in order to make money (see next). Https:/ www.admob.com/. Http:/ www.smaato.com/. Http:/ www.tooyoou.com/. Free with in-app purchases? In-app billing/virtual goods/virtual currencies:. Unlike in-app p...
androidforbeginners.blogspot.com
android for beginners: How to populate a Spinner widget from an Array
http://androidforbeginners.blogspot.com/2010/01/how-to-populate-spinner-widget-from.html
Sunday, January 31, 2010. How to populate a Spinner widget from an Array. Lets say we have an Array of colours, defined in a xml file in our. Folder in our Eclipse project, like below. Xml version="1.0" encoding="utf-8"? String name="hello" Hello World, droidTest1! String name="app name" droidTest1 /string. Spinners are Android's implementation of a dropdown menu, of sorts. How do we insert these values into a spinner widget? First, we need to create a layout for our Spinner widget. Folder in our project.
androidforbeginners.blogspot.com
android for beginners: Creating multiple sqlite database tables in Android
http://androidforbeginners.blogspot.com/2010/01/creating-multiple-sqlite-database.html
Sunday, January 24, 2010. Creating multiple sqlite database tables in Android. Most of the Android database examples you will find on the web will usually contain only one table to demonstrate the basic database concepts. That's great, the only problem with this is that most non-trivial database implementations will contain more than one table. The standard database creation string for a single table will probably look a lot like the below:. Private static final String CREATE TABLE 1 =. This appears to c...
androidforbeginners.blogspot.com
android for beginners: OutOfMemory errors when populating a Gallery
http://androidforbeginners.blogspot.com/2011/12/wrestling-with-outofmemory-errors-when.html
Saturday, December 10, 2011. OutOfMemory errors when populating a Gallery. I've just spent the last couple of hours wrestling with OutOfMemory errors when populating a Gallery widget with photos, and as fun as it's been, I think I've sorted it out and thought I'd share my solution with you. For starters, the reason we're getting OutOfMemory errors in the first place is that the heap size on Android devices is limited to something like 16 MB on a G1 and 24 MB on a Nexus one. The Adapter class :. Return ur...
androidforbeginners.blogspot.com
android for beginners: December 2011
http://androidforbeginners.blogspot.com/2011_12_01_archive.html
Wednesday, December 21, 2011. Tis the season for sharing (via your Android code). Come Facebook, come Twitter, come Tumblr and Flickr! No app is an island, we often want to be able to share the cool things we create with our apps with the world, whether it's the latest social network to on-sell our personal details, or just plain old email to your gran. Lets say we have an image file located here:. String fileLocation = "/mnt/sdcard/SomeMediaFiles/aMediaFile10.jpg". Saturday, December 10, 2011. For start...
