examples: remove deprecated usage of usePlainText(boolean) (#4396)

Update examples (including android) to use non deprecated version of method.

11 files changed, 11 insertions, 11 deletions

diff --git a/examples/android/clientcache/app/src/main/java/io/grpc/clientcacheexample/ClientCacheExampleActivity.java b/examples/android/clientcache/app/src/main/java/io/grpc/clientcacheexample/ClientCacheExampleActivity.java
index 036e3019f..b6096c8d5 100644
--- a/examples/android/clientcache/app/src/main/java/io/grpc/clientcacheexample/ClientCacheExampleActivity.java
+++ b/examples/android/clientcache/app/src/main/java/io/grpc/clientcacheexample/ClientCacheExampleActivity.java
@@ -110,7 +110,7 @@ public final class ClientCacheExampleActivity extends AppCompatActivity {
       boolean onlyIfCached = (boolean) params[5];
       int port = TextUtils.isEmpty(portStr) ? 0 : Integer.valueOf(portStr);
       try {
-        channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext(true).build();
+        channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext().build();
         Channel channelToUse =
             ClientInterceptors.intercept(
                 channel, SafeMethodCachingInterceptor.newSafeMethodCachingInterceptor(cache));
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 ef730931c..89bcb83f6 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
@@ -84,7 +84,7 @@ public class HelloworldActivity extends AppCompatActivity {
       String portStr = params[2];
       int port = TextUtils.isEmpty(portStr) ? 0 : Integer.valueOf(portStr);
       try {
-        channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext(true).build();
+        channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext().build();
         GreeterGrpc.GreeterBlockingStub stub = GreeterGrpc.newBlockingStub(channel);
         HelloRequest request = HelloRequest.newBuilder().setName(message).build();
         HelloReply reply = stub.sayHello(request);
diff --git a/examples/android/routeguide/app/src/main/java/io/grpc/routeguideexample/RouteGuideActivity.java b/examples/android/routeguide/app/src/main/java/io/grpc/routeguideexample/RouteGuideActivity.java
index 0d090ac9a..19ba4aa16 100644
--- a/examples/android/routeguide/app/src/main/java/io/grpc/routeguideexample/RouteGuideActivity.java
+++ b/examples/android/routeguide/app/src/main/java/io/grpc/routeguideexample/RouteGuideActivity.java
@@ -79,7 +79,7 @@ public class RouteGuideActivity extends AppCompatActivity {
     int port = TextUtils.isEmpty(portStr) ? 0 : Integer.valueOf(portStr);
     ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE))
         .hideSoftInputFromWindow(hostEdit.getWindowToken(), 0);
-    channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext(true).build();
+    channel = ManagedChannelBuilder.forAddress(host, port).usePlaintext().build();
     hostEdit.setEnabled(false);
     portEdit.setEnabled(false);
     startRouteGuideButton.setEnabled(false);
diff --git a/examples/src/main/java/io/grpc/examples/advanced/HelloJsonClient.java b/examples/src/main/java/io/grpc/examples/advanced/HelloJsonClient.java
index 9ca4e77d6..d9d6f6aea 100644
--- a/examples/src/main/java/io/grpc/examples/advanced/HelloJsonClient.java
+++ b/examples/src/main/java/io/grpc/examples/advanced/HelloJsonClient.java
@@ -52,7 +52,7 @@ public final class HelloJsonClient {
   /** Construct client connecting to HelloWorld server at {@code host:port}. */
   public HelloJsonClient(String host, int port) {
     channel = ManagedChannelBuilder.forAddress(host, port)
-        .usePlaintext(true)
+        .usePlaintext()
         .build();
     blockingStub = new HelloJsonStub(channel);
   }
diff --git a/examples/src/main/java/io/grpc/examples/errorhandling/DetailErrorSample.java b/examples/src/main/java/io/grpc/examples/errorhandling/DetailErrorSample.java
index 86c8b4ba7..9d126e701 100644
--- a/examples/src/main/java/io/grpc/examples/errorhandling/DetailErrorSample.java
+++ b/examples/src/main/java/io/grpc/examples/errorhandling/DetailErrorSample.java
@@ -83,7 +83,7 @@ public class DetailErrorSample {
       }
     }).build().start();
     channel =
-        ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext(true).build();
+        ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext().build();
 
     blockingCall();
     futureCallDirect();
diff --git a/examples/src/main/java/io/grpc/examples/errorhandling/ErrorHandlingClient.java b/examples/src/main/java/io/grpc/examples/errorhandling/ErrorHandlingClient.java
index d764f4f06..845eb93f5 100644
--- a/examples/src/main/java/io/grpc/examples/errorhandling/ErrorHandlingClient.java
+++ b/examples/src/main/java/io/grpc/examples/errorhandling/ErrorHandlingClient.java
@@ -63,7 +63,7 @@ public class ErrorHandlingClient {
       }
     }).build().start();
     channel =
-        ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext(true).build();
+        ManagedChannelBuilder.forAddress("localhost", server.getPort()).usePlaintext().build();
 
     blockingCall();
     futureCallDirect();
diff --git a/examples/src/main/java/io/grpc/examples/experimental/CompressingHelloWorldClient.java b/examples/src/main/java/io/grpc/examples/experimental/CompressingHelloWorldClient.java
index 3e6ad1cd3..ba46f0f80 100644
--- a/examples/src/main/java/io/grpc/examples/experimental/CompressingHelloWorldClient.java
+++ b/examples/src/main/java/io/grpc/examples/experimental/CompressingHelloWorldClient.java
@@ -43,7 +43,7 @@ public class CompressingHelloWorldClient {
   /** Construct client connecting to HelloWorld server at {@code host:port}. */
   public CompressingHelloWorldClient(String host, int port) {
     channel = ManagedChannelBuilder.forAddress(host, port)
-        .usePlaintext(true)
+        .usePlaintext()
         .build();
     blockingStub = GreeterGrpc.newBlockingStub(channel);
   }
diff --git a/examples/src/main/java/io/grpc/examples/header/CustomHeaderClient.java b/examples/src/main/java/io/grpc/examples/header/CustomHeaderClient.java
index a0bd96cf5..783ef80db 100644
--- a/examples/src/main/java/io/grpc/examples/header/CustomHeaderClient.java
+++ b/examples/src/main/java/io/grpc/examples/header/CustomHeaderClient.java
@@ -44,7 +44,7 @@ public class CustomHeaderClient {
    */
   private CustomHeaderClient(String host, int port) {
     originChannel = ManagedChannelBuilder.forAddress(host, port)
-        .usePlaintext(true)
+        .usePlaintext()
         .build();
     ClientInterceptor interceptor = new HeaderClientInterceptor();
     Channel channel = ClientInterceptors.intercept(originChannel, interceptor);
diff --git a/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldClient.java b/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldClient.java
index 37fff679c..5d0582778 100644
--- a/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldClient.java
+++ b/examples/src/main/java/io/grpc/examples/helloworld/HelloWorldClient.java
@@ -37,7 +37,7 @@ public class HelloWorldClient {
     this(ManagedChannelBuilder.forAddress(host, port)
         // Channels are secure by default (via SSL/TLS). For the example we disable TLS to avoid
         // needing certificates.
-        .usePlaintext(true)
+        .usePlaintext()
         .build());
   }
 
diff --git a/examples/src/main/java/io/grpc/examples/manualflowcontrol/ManualFlowControlClient.java b/examples/src/main/java/io/grpc/examples/manualflowcontrol/ManualFlowControlClient.java
index 815d4e951..53d490bbc 100644
--- a/examples/src/main/java/io/grpc/examples/manualflowcontrol/ManualFlowControlClient.java
+++ b/examples/src/main/java/io/grpc/examples/manualflowcontrol/ManualFlowControlClient.java
@@ -38,7 +38,7 @@ public class ManualFlowControlClient {
     // Create a channel and a stub
     ManagedChannel channel = ManagedChannelBuilder
         .forAddress("localhost", 50051)
-        .usePlaintext(true)
+        .usePlaintext()
         .build();
     StreamingGreeterGrpc.StreamingGreeterStub stub = StreamingGreeterGrpc.newStub(channel);
 
diff --git a/examples/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java b/examples/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java
index 9cbe8a08a..c96c53e0b 100644
--- a/examples/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java
+++ b/examples/src/main/java/io/grpc/examples/routeguide/RouteGuideClient.java
@@ -49,7 +49,7 @@ public class RouteGuideClient {
 
   /** Construct client for accessing RouteGuide server at {@code host:port}. */
   public RouteGuideClient(String host, int port) {
-    this(ManagedChannelBuilder.forAddress(host, port).usePlaintext(true));
+    this(ManagedChannelBuilder.forAddress(host, port).usePlaintext());
   }
 
   /** Construct client for accessing RouteGuide server using the existing channel. */