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* API change: TransactionConfidence.Listener now takes a reason enum describing the general class of change. * Confidence listeners are now invoked in the user code thread as well, thus eliminating any chance of unexpected re-entrancy. * The wallet batches up confidence changes and executes them all at the end of major operations, avoiding confusing intermediate transitions that could occur in the previous design. * Much code has been simplified as a result and it's now harder to screw up.
To get started, ensure you have the latest JDK installed, and download Maven from: http://maven.apache.org/ Then run "mvn clean package" to compile the software. You can also run "mvn site:site" to generate a website with useful information like JavaDocs. The outputs are under the target/ directory. Alternatively, just import the project using your IDE. Most good ones have Maven integration. Now try running one of the example apps: cd examples mvn exec:java -Dexec.mainClass=com.google.bitcoin.examples.PingService It will download the block chain and eventually print a Bitcoin address. If you send coins to it, you should get them back a few minutes later when a block is solved. Now you are ready to follow the tutorial: https://code.google.com/p/bitcoinj/wiki/GettingStarted