UsageTracker.java

package com.google.android.apps.common.testing.testrunner;

/**
 * Used by test infrastructure to report usage stats (optionally).
 *
 * This interface should only be used by test infrastructure.
 */
public interface UsageTracker {

  /**
   * Indicates that a particular tool/api was used.
   *
   * Usage will be dumped at the end of the instrumentation run.
   */
  public void trackUsage(String usage);

  /**
   * Requests that all usages be sent.
   */
  public void sendUsages();

  /**
   * NoOp implementation.
   */
  public static class NoOpUsageTracker implements UsageTracker {
    @Override
    public void trackUsage(String unused) {
    }

    @Override
    public void sendUsages() {
    }
  }
}