The android.app.DatePickerDialog and android.app.TimePickerDialog class are widgets that can pop up a dialog for users to choose date and time. This article will show you examples of how to use them.
Android DatePickerDialog TimePickerDialog Spinner Example Read More »
The android.widget.PopupWindow class is another class that provides a popup window function besides AlertDialog. There is something different between them. This example will show you how to use the android.widget.PopupWindow in the android application.
Android Popup Window Animation Example Read More »
android.widget.Gallery is subclass of AbsSpinner. It displays items in horizontal direction. This example will show you how to use android.widget.Gallery and ImageSwitcher to implement an android image gallery application.
Android Custom Gallery Example Read More »
Shape, selector, and layer-list are usually used to create custom drawable resources in android development. Those three XML elements can save a lot of UI resources and time if being used properly. This article will show you how to use them correctly.
Android Shape, Selector Examples Read More »
We often need to format numbers, such as taking two decimal places for a number, show only the integer part of a number, etc. Java provides java.text.DecimalFormat class, which can help you to format numbers use your specified pattern as quickly as possible.
Java DecimalFormat Example Read More »
DatePicker and TimePicker are all extends android.widget.FrameLayout. They are used to display the date and time selection widget in the android applications. They can be used in either spinner mode or calendar mode ( date picker), clock mode ( time picker ). You can control their appearance with their properties.
Android DatePicker TimePicker Example Read More »
When you use the android widget in layout XML or java code, you may encounter error messages like Call requires API level 23 (current min is 17):. This means your current android minimum SDK version is 1.7, which is too low to use this widget. You need to change it to 23. This article will
How To Change Minimum Sdk Version In Android Studio Read More »
android.graphics.Matrix is the class that be used to process images in android. This article will show you examples of how to use android.graphics.Matrix to rotate, scale, skew and translate bitmap images in android.
Android ImageView Matrix Rotate, Scale, Skew, Translate Example Read More »
android.widget.ImageView is android image manipulation class. It can be used to load images, show images, and edit images. This article will introduce this class to you and show you an example to demonstrate it’s functions.
Android ImageView Examples Read More »
Android provides three clock widgets that you can use to implement a clock. They are android.widget.AnalogClock, android.widget.DigitalClock and android.widget.TextClock. The AnalogClock and DigitalClock class have been deprecated since Android SDK version 1.7, but they can still be used. TextClock class is recommended.
Android Analog, Digital And Text Clock Example Read More »