RELATIVELAYOUT is a view group that displays child views in relative positions. The position of each view can be specified as relative to sibling elements (such as to the left-of or below another view) or in positions relative to the parent RelativeLayout area (such as aligned to the bottom, left, or center).
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These properties will layout elements relative to the parent container.
Here is a sample XML Layout
android:layout_width="fill_parent"android:layout_height="fill_parent"xmlns:android="https://schemas.android.com/apk/res/android">
android:id="@+id/backbutton"
android:text="Back"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
android:id="@+id/firstName"
android:text="First Name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/backbutton" />
EditText
android:id="@+id/editFirstName"
android:width="100px"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/firstName"
android:layout_below="@id/backbutton"/>
android:id="@+id/editLastName"
android:width="100px"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/editFirstName"
android:layout_alignLeft="@id/editFirstName"/>
android:id="@+id/lastName" android:text="Last
Name" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toLeftOf="@id/editLastName"
android:layout_below="@id/editFirstName" />
You probably noticed that we had to rearrange the elements in the XML since you cannot reference an element that has not already been laid out. Here is what the updated RelativeLayout produces.
TableLayout is a ViewGroup that displays child View elements in rows and columns.TableLayout organizes content into rows and columns. The rows are defined in the layout XML, and the columns are determined automatically by Android. This is done by creating at least one column for each element. So, for example, if you had a row with two elements and a row with five elements then you would have a layout with two rows and five columns.
Here is some sample XML using TableLayout.
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="https://schemas.android.com/apk/res/android">
android:id="@+id/backbutton" android:text="Back" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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android:text="First Name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_column="1" />
android:width="100px"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
android:text="Last Name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_column="1" />
android:width="100px"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
This is the result of that XML
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Ravindra Savaram is a Technical Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.