private void resetInternal() {
    mTransitionState = TRANSITION_NONE;
    Arrays.fill(mStartAlphas, mDefaultLayerAlpha);
    mStartAlphas[0] = 255;
    Arrays.fill(mAlphas, mDefaultLayerAlpha);
    mAlphas[0] = 255;
    Arrays.fill(mIsLayerOn, mDefaultLayerIsOn);
    mIsLayerOn[0] = true;
  }
Resets internal state to the initial state.
drawee/src/main/java/com/facebook/drawee/drawable/FadeDrawable.java