Rename binder transport example client app (#27344)

Rename the app to exampleclient

Also moved and updated README.md

examples/android/binder/java/io/grpc/binder/cpp/README.md

@@ -1,4 +1,4 @@
-# gRPC-core BinderTransport example app
+# gRPC-core BinderTransport example apps
 
 WIP.
 
@@ -13,6 +13,9 @@ WIP.
     export ANDROID_HOME=$HOME/Android/Sdk/
     export ANDROID_NDK_HOME=$HOME/Android/Sdk/ndk/21.4.7075529
     ```
-3. `bazel build //examples/android/binder/java/io/grpc/binder/cpp/example:app`
-4. `adb install
-   bazel-bin/examples/android/binder/java/io/grpc/binder/cpp/example/app.apk`
+3. `bazel build //examples/android/binder/java/io/grpc/binder/cpp/exampleclient:app`
+4. `bazel build //examples/android/binder/java/io/grpc/binder/cpp/exampleserver:app`
+5. `adb install
+   bazel-bin/examples/android/binder/java/io/grpc/binder/cpp/exampleclient/app.apk`
+6. `adb install
+   bazel-bin/examples/android/binder/java/io/grpc/binder/cpp/exampleserver/app.apk`

examples/android/binder/java/io/grpc/binder/cpp/exampleclient/AndroidManifest.xml

@@ -1,6 +1,5 @@
-<!-- TODO(mingcl): Rename this app to exampleclient -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="io.grpc.binder.cpp.example"
+    package="io.grpc.binder.cpp.exampleclient"
     android:versionCode="1"
     android:versionName="1.0" >
 
@@ -13,10 +12,10 @@
    </queries>
 
   <application
-      android:label="gRPC BinderTransport Cpp">
+      android:label="gRPC BinderTransport Client Cpp">
     <activity
         android:name=".MainActivity"
-        android:label="gRPC BinderTransport Cpp" >
+        android:label="gRPC BinderTransport Client Cpp" >
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />
         <category android:name="android.intent.category.LAUNCHER" />

examples/android/binder/java/io/grpc/binder/cpp/exampleclient/ButtonPressHandler.java

@@ -1,4 +1,4 @@
-package io.grpc.binder.cpp.example;
+package io.grpc.binder.cpp.exampleclient;
 
 import android.app.Application;
 

examples/android/binder/java/io/grpc/binder/cpp/exampleclient/MainActivity.java

@@ -1,4 +1,4 @@
-package io.grpc.binder.cpp.example;
+package io.grpc.binder.cpp.exampleclient;
 
 import android.app.Activity;
 import android.os.Bundle;

examples/android/binder/java/io/grpc/binder/cpp/exampleclient/native.cc

@@ -21,10 +21,11 @@
 #include "src/core/ext/transport/binder/client/channel_create.h"
 
 extern "C" JNIEXPORT jstring JNICALL
-Java_io_grpc_binder_cpp_example_ButtonPressHandler_native_1entry(
+Java_io_grpc_binder_cpp_exampleclient_ButtonPressHandler_native_1entry(
     JNIEnv* env, jobject /*this*/, jobject application) {
   static bool first = true;
-  __android_log_print(ANDROID_LOG_INFO, "Demo", "Line number %d", __LINE__);
+  __android_log_print(ANDROID_LOG_INFO, "DemoClient", "Line number %d",
+                      __LINE__);
   if (first) {
     first = false;
     grpc::experimental::BindToOnDeviceServerService(

tools/internal_ci/linux/grpc_binder_transport_apk_build_in_docker.sh

@@ -35,7 +35,7 @@ echo $ANDROID_NDK_HOME
 bazel build --define=use_strict_warning=true \
   --fat_apk_cpu=x86_64,arm64-v8a \
   --extra_toolchains=@rules_python//python:autodetecting_toolchain_nonstrict \
-  //examples/android/binder/java/io/grpc/binder/cpp/example:app \
+  //examples/android/binder/java/io/grpc/binder/cpp/exampleclient:app \
   //examples/android/binder/java/io/grpc/binder/cpp/exampleserver:app
 
 # Make sure the Java code that will be invoked by binder transport