Starting to add an activity to query the database

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 28
-    useLibrary  'org.apache.http.legacy'
+    useLibrary 'org.apache.http.legacy'
 
     defaultConfig {
         applicationId "uk.org.openseizuredetector"
@@ -31,6 +31,7 @@ dependencies {
     implementation files('libs/mpandroidchartlibrary-2-0-7.jar')
     implementation 'com.getpebble:pebblekit:3.1.0@aar'
     // Unit testing dependencies
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     testImplementation 'junit:junit:4.12'
     // Set this dependency if you want to use Mockito
     testImplementation 'org.mockito:mockito-core:1.10.19'
@@ -52,4 +53,4 @@ dependencies {
 repositories {
     mavenCentral()
     maven { url "https://oss.sonatype.org/content/groups/public/" }
-}
+}