MicrophoneRecorderView.java 文件源码

public void moveTo(float x) {
  this.lastPositionX = x;

  float offset          = getOffset(x);
  int   widthAdjustment = getWidthAdjustment();

  Animation translateAnimation = new TranslateAnimation(Animation.ABSOLUTE, widthAdjustment + offset,
                                                        Animation.ABSOLUTE, widthAdjustment + offset,
                                                        Animation.RELATIVE_TO_SELF, -.25f,
                                                        Animation.RELATIVE_TO_SELF, -.25f);

  translateAnimation.setDuration(0);
  translateAnimation.setFillAfter(true);
  translateAnimation.setFillBefore(true);

  recordButtonFab.startAnimation(translateAnimation);
}