Android CheckBox

A CheckBox is an on/off switch that can be toggled by the user. You should use check-boxes when presenting users with a group of selectable options that are not mutually exclusive. CheckBox Attributes Following are the important attributes related to CheckBox control. You can check Android official documentation for complete list of attributes and related […]

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Android RadioButton

A RadioGroup class is used for set of radio buttons. If we check one radio button that belongs to a radio group, it automatically unchecks any previously checked radio button within the same group. RadioGroup Attributes Following are the important attributes related to RadioGroup control. You can check Android official documentation for complete list of […]

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Android Alert Dialog

Some times in your application , if you wanted to ask the user about taking a decision between yes or no in response of any particular action taken by the user, by remaining in the same activity and without changing the screen, you can use Alert Dialog. In order to make an alert dialog , […]

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Android SQLite Database

1. What is SQLite? SQLite is an Open Source database. SQLite supports standard relational database features like SQL syntax, transactions and prepared statements. The database requires limited memory at runtime (approx. 250 KByte) which makes it a good candidate from being embedded into other runtimes. SQLite supports the data types TEXT (similar to String in […]

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Android SharedPreferences

Android provides many ways of storing data of an application. One of this way is called Shared Preferences. Shared Preferences allow you to save and retrieve data in the form of key,value pair. In order to use shared preferences , you have to call a method getSharedPreferences() that returns a SharedPreference instance poiting to the […]

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Android GridView

What is GridView? Android GridView shows items in two-dimensional scrolling grid (rows & columns) and the grid items are not necessarily predetermined but they automatically inserted to the layout using a ListAdapter An adapter actually bridges between UI components and the data source that fill data into UI Component. Adapter can be used to supply […]

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Android ListView

What is ListView? Android ListView is a view which groups several items and display them in vertical scrollable list. The list items are automatically inserted to the list using an Adapter that pulls content from a source such as an array or database. An adapter actually bridges between UI components and the data source that […]

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Android Intents

What are intents? Intents are asynchronous messages which allow application components to request functionality from other Android components. Intents allow you to interact with components from the same applications as well as with components contributed by other applications. For example, an activity can start an external activity for taking a picture. Intents are objects of […]

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Splash Screen

What is Splash? Android splash screen are normally used to show user some kind of progress before the app loads completely. Some people uses splash screen just to show case their app / company logo for a couple of second. Unfortunately in android we don’t have any inbuilt mechanism to show splash screen compared to […]

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Android Services

A service is a component that runs in the background to perform long-running operations without needing to interact with the user. For example, a service might play music in the background while the user is in a different application, or it might fetch data over the network without blocking user interaction with an activity. A […]

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