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.
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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
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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
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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.
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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.
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This article will show you how to use RecyclerView to implement an android chat application. You can read the article Android RecyclerView Example to learn more about RecyclerView. You should read Android Nine Patch Image Example to learn how to make the chat bubble images stretch correctly.
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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.
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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 »