CrashReportingTree logging for Timber

CrashReportingTree.java

/** A tree which logs important information for crash reporting. */
class CrashReportingTree extends Tree {
  @Override public boolean isLoggable(int priority, @Nullable String tag) {
    return priority >= INFO;
  }

  @Override protected void log(int priority, String tag, Throwable t, String message) {
    if (priority == Log.VERBOSE || priority == Log.DEBUG) {
      return;
    }

    FakeCrashLibrary.log(priority, tag, message);

    if (t != null) {
      if (priority == Log.ERROR) {
        FakeCrashLibrary.logError(t);
      } else if (priority == Log.WARN) {
        FakeCrashLibrary.logWarning(t);
      }
    }
  }
}

FakeCrashLibrary.java

/** Not a real crash reporting library! */
public final class FakeCrashLibrary {
  public static void log(int priority, String tag, String message) {
    // TODO add log entry to circular buffer.
  }

  public static void logWarning(Throwable t) {
    // TODO report non-fatal warning.
  }

  public static void logError(Throwable t) {
    // TODO report non-fatal error.
  }

  private FakeCrashLibrary() {
    throw new AssertionError("No instances.");
  }
}