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I'm trying to add a divider to a horizontal linear layout but am getting nowhere. The divider just doesn't show. I am a total newbie with Android.
This is my layout XML:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity" > <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/llTopBar" android:orientation="horizontal" android:divider="#00ff00" android:dividerPadding="22dip" android:showDividers="middle"> <Button android:layout_width="wrap_content" android:layout_height="match_parent" android:text="asdf" /> <Button android:layout_width="wrap_content" android:layout_height="match_parent" android:text="asdf" /> </LinearLayout> </RelativeLayout> 
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To create a linear layout in which each child uses the same amount of space on the screen, set the android:layout_height of each view to "0dp" (for a vertical layout) or the android:layout_width of each view to "0dp" (for a horizontal layout). Then set the android:layout_weight of each view to "1" .
This example demonstrates how do I draw a line in android. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main. xml.
The LinearLayout is the most basic layout, and it arranges its elements sequentially, either horizontally or vertically. To arrange controls within a linear layout, the following attributes are used: android:orientation—Used for arranging the controls in the container in horizontal or vertical order.
use this for horizontal divider
<View android:layout_width="1dp" android:layout_height="match_parent" android:background="@color/honeycombish_blue" /> and this for vertical divider
<View android:layout_width="match_parent" android:layout_height="1dp" android:background="@color/honeycombish_blue" /> OR if you can use the LinearLayout divider, for horizontal divider
<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" > <size android:height="1dp"/> <solid android:color="#f6f6f6"/> </shape> and in LinearLayout
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:divider="@drawable/divider" android:orientation="vertical" android:showDividers="middle" > If you want to user vertical divider then in place of android:height="1dp" in shape use android:width="1dp"
Tip: Don't forget the android:showDividers item.
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