There are a lot of android devices with different screen sizes and resolutions. This article will tell you how to make an android program load layout files dynamically based on the device’s screen resolution or size at run time.
How To Support Multiple Screen Size In Android Read More »
Fragment can has it’s own menu, the fragment menu items are also displayed in android application action bar. This article will show you how to add menu items in android fragment and how to use fragment menu items with activity menu items.
Android Fragment Menu Example Read More »
The android activity provides a method to save/retrieve instance state data. Please read the article Android Save Retrieve Activity Instance State Example to learn more. The fragment also provides a method for you to save/retrieve related instance state data. This article will show you an example of how to save/retrieve instance state data in android
Android Fragment Save / Retrieve Instance State Example Read More »
Android OS provides a back stack function for Activity, it also provides the back stack function for Fragment. If you add one Fragment into the back stack, when you press the android device back menu, you can find the Fragment that is saved in the back stack popup. Until all the saved Fragments in the
Android Fragment Back Stack Example Read More »
The fragment is widely used in android app development. You can use it statically or dynamically. Article Android Multiple Fragments In One Activity Example has introduced what it is and how to use Fragment statically. This article will tell you how to use it dynamically in your android app.
Android Add Fragment To Activity Dynamically Example Read More »
There are so many android devices in the world today. Different device screen sizes are also different. So when you create an android app, you must want it can be run in both small size ( android phone ) and big size ( android pad ) devices use only one release build.
Android Multiple Fragments In One Activity 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 »
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 »
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 »