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Eric Anderson a81bf14f1f Upgrade to Guava 30.1, which warns on Java 7 
This change can have large impact from two aspects:
1. It calls out a _large_ impact on the _few_ Java 7 users.
2. It may have _small_ impact on the _many_ Android users.

https://github.com/grpc/grpc-java/issues/4671 tracks gRPC's removal of
Java 7 support. We are quite eager to drop Java 7 support as that would
allow using new language features like default methods. Guava is also
dropping Java 7 support and starting in 30.1 it will warn when used on
Java 7. The purpose of the warning is to help discover users that are
negatively impacted by dropping Java 7 before it becomes a bigger
problem.

The Guava logging check was implemented in such a way that there is an
optional class that uses Java 8 bytecode. While the class is optional at
runtime, the Android build system notices when dexing and fails if
Java 8 language featutres are not enabled. We believe this will not be a
problem for most Android users, but they may need to add to their build:

```
android {
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}
```

See also https://github.com/google/guava/releases/tag/v30.1
 		2021-04-19 09:16:00 -07:00
..
src okhttp: Consume mTLS and Trust/KeyManager Credentials API 2021-02-19 09:30:24 -08:00
README.md android-interop-testing: include android interop testing in main build (#6829) 2020-03-19 12:37:48 -07:00
build.gradle Upgrade to Guava 30.1, which warns on Java 7 2021-04-19 09:16:00 -07:00
proguard-rules.pro android-interop-testing: include android interop testing in main build (#6829) 2020-03-19 12:37:48 -07:00
start-emulator.sh Add the Android interop test App. 2015-06-26 15:31:14 -07:00
wait-for-emulator.sh Add the Android interop test App. 2015-06-26 15:31:14 -07:00

README.md

gRPC Android test App

Implements gRPC integration tests in an Android App.

In order to build this app, you need a local.properties file under this directory which specifies the location of your android sdk:

sdk.dir=/somepath/somepath/sdk

Connect your Android device or start the emulator:

$ ./start-emulator.sh <AVD name> & ./wait-for-emulator.sh

Start test server

Start the test server by:

$ ../run-test-server.sh

Manually test

Install the App by:

$ ../gradlew installDebug

Then manually test it with the UI.

Instrumentation tests

Instrumentation tests must be run on a connected device or emulator. Run with the following gradle command:

$ ../gradlew connectedAndroidTest \
    -Pandroid.testInstrumentationRunnerArguments.server_host=10.0.2.2 \
    -Pandroid.testInstrumentationRunnerArguments.server_port=8080 \
    -Pandroid.testInstrumentationRunnerArguments.use_tls=true \
    -Pandroid.testInstrumentationRunnerArguments.server_host_override=foo.test.google.fr \
    -Pandroid.testInstrumentationRunnerArguments.use_test_ca=true \
    -Pandroid.testInstrumentationRunnerArguments.test_case=all