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How to add a border to the top and bottom of an Android View?
This example demonstrates how to add a border to the top and bottom of an Android View .
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/drawable/border_top_bottom.xml
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape android:shape="rectangle"> <stroke android:width="2dp" android:color="#e10606" /> <solid android:color="#9bce64" /> </shape> </item> <item android:bottom="2dp" android:top="2dp"> <shape android:shape="rectangle"> <stroke android:width="2dp" android:color="#9bce64" /> </shape> </item> </layer-list>
Step 3 − Add the following code to res/layout/top_bottom_border_in_android_view.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_margin="16dp"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Adding Border in Top and Bottom of an Android View" /> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:background="@drawable/border_top_bottom" android:padding="30dp" android:text="Top Bottom Border in TextView" android:textColor="#000000" android:textSize="18sp" /> <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:background="@drawable/border_top_bottom" android:text="Top Bottom Border in Button" /> </LinearLayout>
Step 4 − Add the following code to res/layout/strings.xml
<resources> <string name="app_name">Adding Border to an Android View</string> </resources>
Step 5 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" /> </androidx.constraintlayout.widget.ConstraintLayout>
Step 6 − Add the following code to src/MainActivity.java
package com.example.sample1;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.top_bottom_border_in_android_view);
}
}Step 7 − Add the following code to Manifests/AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:dist="http://schemas.android.com/apk/distribution" package="com.example.sample1"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <dist:module dist:instant="true" /> </manifest>
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and Click Run 
Icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
Click here to download the project code.
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