BlockingTask

BlockingTask.java

abstract class BlockingTask<T> {
    private boolean mDone;
    private T mResult;
    private Exception mException;

    public void execute() {
        mDone = false;
        doAsyncCall();
        while (!mDone) {
            try { Thread.sleep(300); } catch (Exception e) { }
        }
    }
    
    protected void notifyResult(T result) {
        mResult = result;
        mException = null;
        mDone = true;
    }

    protected void notifyError(Exception e) {
        mResult = null;
        mException = e;
        mDone = true;
    }

    abstract protected void doAsyncCall();
}