If you find the current widget can not fit your needs, you can create a custom widget as you like. The benefits of such action are encapsulation and reuse. This also makes UI component manipulation easy and clear.
Android Custom Widget Example Read More »
LinearLayout has layout_weight property that can be used to specify the width percentage that a component can occupy. But FrameLayout and RelativeLayout do not support such properties.
Android PercentFrameLayout PercentRelativeLayout Example Read More »
Previous article Android LinearLayout Example has introduced how to use LinearLayout to layout and align components in android app. This article will show you an example about how to implement on touch listener and on click listener to the LinearLayout object.
Android LinearLayout OnTouchListener OnClickListener Example Read More »
RelativeLayout is different from LinearLayout in layout rules. RelativeLayout is more flexible and allows the controls to appear in any location of the layout by a relative position. This article will introduce RelativeLayout and it’s properties with examples.
Android RelativeLayout Example Read More »
The previous article Android Activity Launch Mode Standard SingleTop Example has introduced the two android activity launch modes Standard and SingleTop. This article will introduce the other two android activity launch modes SingleTask and SingleInstance which are more difficult to understand.
Android Activity Launch Mode SingleTask SingleInstance Example Read More »
An activity can be configured with four launch modes, each launch mode is used in one special scenario. This article will introduce all the four launch modes of activity with examples.
Android Activity Launch Mode Standard SingleTop Example Read More »
When an android activity stopped, it may be recycled by the android OS. But how to store recycled activity instance state data, and use those activity instance data later? Android provides the below methods.
Android Save Retrieve Activity Instance State Example Read More »
android.util.Log is the log class that provides the log function. It provides the below methods to log data into the LogCat console.
Android LogCat And Logging Best Practice Read More »
Although ActionBar provides users with a globally unified interface style and operation, it doesn’t mean that all applications’ ActionBars have to be exactly the same. If you need to modify the style of your Action Bar to better match your application, you can make it very simple by using Android styles and themes.
Android Custom ActionBar Style Example Read More »