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Example Android application

Description

Example Android Application is designed to showcase various functionalities and capabilities when working with the Hedera™ Java SDK. It operates on a testnet environment and offers the following features through three distinct tabs:

  • Private Key tab allows you to generate ED25519 key pairs by pressing the "Generate" button.
  • Account Balance tab allows you to retrieve the balance of an account by pressing the "Get Account Balance" button and specifying the desired account, which can be different from the default account specified in the app/src/main/res/values/strings.xml file.
  • Crypto Transfer tab allows you to transfer a specified amount of HBARs from your account to a recipient account by pressing the "Send HBAR" button and setting the recipient's account in the provided text field.

Usage

Configuration

Running the example requires operator_id and operator_key resource strings to be set in app/src/main/res/values/strings.xml.

<string name="operator_id">...</string>
<string name="operator_key">...</string>

You can then build and install the application on a connected device or emulator:

./gradlew installDebug

Running with local vs published SDK version

The example uses the local SDK version. If you want to use the example stand-alone with an SDK version published to Maven Central you need to remove the line includeBuild("..") from settings.gradle.kts and implementation(platform("com.hedera.hashgraph:sdk-dependency-versions")) from app/build.gradle.kts. You can define the version of the SDK you would like to use by modifying the implementation("com.hedera.hashgraph:sdk:<version>") dependency in app/build.gradle.kts.