learn how to build layouts
TRANSCRIPT
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BUILDING LAYOUTS
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VIEW GROUPS
View Groups are a collection of views. (Container for views)
There can only be one root view. So if we have more than one view, we need to put them in a view group
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TYPES OF VIEW GROUPS
Linear Layout Relative Layout
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LINEAR LAYOUT
It can arrange its children in a vertical column Notice that we are not limited to just one textview and one
imageview. We can have as many as we want.
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LINEAR LAYOUT
It can also arrange its children in a horizontal row
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RELATIVE LAYOUT
Also has its own rules on how to position its children within it. For Example
Relative to the parent Relative to t
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RELATIVE LAYOUT
Relative to parent A child imageview aligned to the top of the parent A child textview aligned to the bottom of the parent
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RELATIVE LAYOUT
Relative to other views
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LINEAR LAYOUT
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_height="wrap_content" android:layout_width="wrap_content">
</LinearLayout>
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WIDTH AND HEIGHT
Fixed width and height Wrap content Match parent
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EVENLY SPACING OUT VIEWS
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LAYOUT WEIGHT
Can be used to evenly distribute views. The higher the weight, the more space the view takes
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EXAMPLES
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RELATIVE LAYOUT
This will help you build even more flexible layouts
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RELATIVE TO OTHER VIEWS
When positioning views relative to other views, you can constraints eg;
One view must be above the other Or one imageView must be to the left of another
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PADDING VS MARGIN
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QUIZ
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