diff --git a/examples/android/helloworld/app/src/main/java/io/grpc/helloworldexample/HelloworldActivity.java b/examples/android/helloworld/app/src/main/java/io/grpc/helloworldexample/HelloworldActivity.java
index 7588979446..201c385a7a 100644
--- a/examples/android/helloworld/app/src/main/java/io/grpc/helloworldexample/HelloworldActivity.java
+++ b/examples/android/helloworld/app/src/main/java/io/grpc/helloworldexample/HelloworldActivity.java
@@ -50,6 +50,13 @@ public class HelloworldActivity extends AppCompatActivity {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.activity_helloworld);
     sendButton = (Button) findViewById(R.id.send_button);
+    sendButton.setOnClickListener(
+            new View.OnClickListener() {
+              @Override
+              public void onClick(View v) {
+                sendMessage(v);
+              }
+            });
     hostEdit = (EditText) findViewById(R.id.host_edit_text);
     portEdit = (EditText) findViewById(R.id.port_edit_text);
     messageEdit = (EditText) findViewById(R.id.message_edit_text);
diff --git a/examples/android/helloworld/app/src/main/res/layout/activity_helloworld.xml b/examples/android/helloworld/app/src/main/res/layout/activity_helloworld.xml
index 18b05c3bd6..5831f1d1f5 100644
--- a/examples/android/helloworld/app/src/main/res/layout/activity_helloworld.xml
+++ b/examples/android/helloworld/app/src/main/res/layout/activity_helloworld.xml
@@ -13,6 +13,7 @@
                 android:layout_weight="2"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
+                android:inputType="text"
                 android:hint="Enter Host" />
         <EditText
                 android:id="@+id/port_edit_text"
@@ -28,13 +29,13 @@
             android:id="@+id/message_edit_text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:inputType="text"
             android:hint="Enter message to send" />
 
     <Button
             android:id="@+id/send_button"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:onClick="sendMessage"
             android:text="Send Grpc Request" />
 
     <TextView