How to use

MorphingButton

in

com.dd.morphingbutton

@Override
public void morph(@NonNull Params params) {
  super.morph(params);
  mProgress = MIN_PROGRESS;
  mPaint = null;
  mRectF = null;
}

private void finalizeMorphing(@NonNull Params params) {
  mAnimationInProgress = false;
  if (params.icon != 0 && params.text != null) {
    setIconLeft(params.icon);
    setText(params.text);
  } else if (params.icon != 0) {
    setIcon(params.icon);
  } else if(params.text != null) {
    setText(params.text);
  }
  if (params.animationListener != null) {
    params.animationListener.onAnimationEnd();
  }
}

private void initView() {
  mPadding = new Padding();
  mPadding.left = getPaddingLeft();
  mPadding.right = getPaddingRight();
  mPadding.top = getPaddingTop();
  mPadding.bottom = getPaddingBottom();
  Resources resources = getResources();
  int cornerRadius = (int) resources.getDimension(R.dimen.mb_corner_radius_2);
  int blue = resources.getColor(R.color.mb_blue);
  int blueDark = resources.getColor(R.color.mb_blue_dark);
  StateListDrawable background = new StateListDrawable();
  mDrawableNormal = createDrawable(blue, cornerRadius, 0);
  mDrawablePressed = createDrawable(blueDark, cornerRadius, 0);
  mColor = blue;
  mStrokeColor = blue;
  mCornerRadius = cornerRadius;
  background.addState(new int[]{android.R.attr.state_pressed}, mDrawablePressed.getGradientDrawable());
  background.addState(StateSet.WILD_CARD, mDrawableNormal.getGradientDrawable());
  setBackgroundCompat(background);
}

  @Override
  public void onAnimationUpdate(ValueAnimator valueAnimator) {
    int val = (Integer) valueAnimator.getAnimatedValue();
    ViewGroup.LayoutParams layoutParams = mParams.button.getLayoutParams();
    layoutParams.height = val;
    mParams.button.setLayoutParams(layoutParams);
  }
});

@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
  super.onSizeChanged(w, h, oldw, oldh);
  if (mHeight == 0 && mWidth == 0 && w != 0 && h != 0) {
    mHeight = getHeight();
    mWidth = getWidth();
  }
}

private void morphWithAnimation(@NonNull final Params params) {
  mAnimationInProgress = true;
  setText(null);
  setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
  setPadding(mPadding.left, mPadding.top, mPadding.right, mPadding.bottom);
  MorphingAnimation.Params animationParams = MorphingAnimation.Params.create(this)
      .color(mColor, params.color)
      .cornerRadius(mCornerRadius, params.cornerRadius)
      .strokeWidth(mStrokeWidth, params.strokeWidth)
      .strokeColor(mStrokeColor, params.strokeColor)
      .height(getHeight(), params.height)
      .width(getWidth(), params.width)
      .duration(params.duration)
      .listener(new MorphingAnimation.Listener() {
        @Override
        public void onAnimationEnd() {
          finalizeMorphing(params);
        }
      });
  MorphingAnimation animation = new MorphingAnimation(animationParams);
  animation.start();
}

public void setTextAndActivateButtons(String path,
                   MorphingButton toSetPathOn,
                   MorphingButton toEnable) {
  toSetPathOn.setText(path);
  toSetPathOn.setBackgroundColor(mActivity.getResources().getColor(R.color.mb_green_dark));
  toEnable.setEnabled(true);
  morphToSquare(toEnable, integer());
}

/**
 * Converts morph button ot square shape
 *
 * @param btnMorph the button to be converted
 * @param duration time period of transition
 */
public void morphToSquare(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params square = defaultButton(duration);
  String text = btnMorph.getText().toString().isEmpty() ?
      mActivity.getString(R.string.create_pdf) :
      btnMorph.getText().toString();
  square.color(color(R.color.mb_blue));
  square.colorPressed(color(R.color.mb_blue_dark));
  square.text(text);
  btnMorph.morph(square);
}

private void morphWithoutAnimation(@NonNull Params params) {
  mDrawableNormal.setColor(params.color);
  mDrawableNormal.setCornerRadius(params.cornerRadius);
  mDrawableNormal.setStrokeColor(params.strokeColor);
  mDrawableNormal.setStrokeWidth(params.strokeWidth);
  if(params.width != 0 && params.height !=0) {
    ViewGroup.LayoutParams layoutParams = getLayoutParams();
    layoutParams.width = params.width;
    layoutParams.height = params.height;
    setLayoutParams(layoutParams);
  }
  finalizeMorphing(params);
}

public void start() {
  StrokeGradientDrawable background = mParams.button.getDrawableNormal();

  public void initializeButton(MorphingButton button,
                 MorphingButton buttonToDisable) {
    button.setText(R.string.merge_file_select);
    button.setBackgroundColor(mActivity.getResources().getColor(R.color.mb_blue));
    morphToGrey(buttonToDisable, integer());
    buttonToDisable.setEnabled(false);
  }
}

/**
 * Converts morph button ot square shape
 *
 * @param btnMorph the button to be converted
 * @param duration time period of transition
 */
public void morphToGrey(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params square = defaultButton(duration);
  square.color(color(R.color.mb_gray));
  square.colorPressed(color(R.color.mb_gray));
  square.text(btnMorph.getText().toString());
  btnMorph.morph(square);
}

  @Override
  public void onAnimationUpdate(ValueAnimator valueAnimator) {
    int val = (Integer) valueAnimator.getAnimatedValue();
    ViewGroup.LayoutParams layoutParams = mParams.button.getLayoutParams();
    layoutParams.width = val;
    mParams.button.setLayoutParams(layoutParams);
  }
});

@Override
public void morph(@NonNull Params params) {
  mIsRunning = false;
  super.morph(params);
}

private void morphToFailure(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params circle = MorphingButton.Params.create()
      .duration(duration)
      .cornerRadius(dimen(R.dimen.mb_height_56))
      .width(dimen(R.dimen.mb_height_56))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_red))
      .colorPressed(color(R.color.mb_red_dark))
      .icon(R.drawable.ic_lock);
  btnMorph.morph(circle);
}

private void morphToFailure(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params circle = MorphingButton.Params.create()
      .duration(duration)
      .cornerRadius(dimen(R.dimen.mb_height_56))
      .width(dimen(R.dimen.mb_height_56))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_red))
      .colorPressed(color(R.color.mb_red_dark))
      .icon(R.drawable.ic_lock);
  btnMorph.morph(circle);
}

private void morphToSuccess(final MorphingButton btnMorph) {
  MorphingButton.Params circle = MorphingButton.Params.create()
      .duration(integer(R.integer.mb_animation))
      .cornerRadius(dimen(R.dimen.mb_height_56))
      .width(dimen(R.dimen.mb_height_56))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_green))
      .colorPressed(color(R.color.mb_green_dark))
      .icon(R.drawable.ic_done);
  btnMorph.morph(circle);
}

private void morphToSquare(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params square = MorphingButton.Params.create()
      .duration(duration)
      .cornerRadius(dimen(R.dimen.mb_corner_radius_2))
      .width(dimen(R.dimen.mb_width_200))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_blue))
      .colorPressed(color(R.color.mb_blue_dark))
      .text(getString(R.string.mb_button));
  btnMorph.morph(square);
}

private void morphToSuccess(final MorphingButton btnMorph) {
  MorphingButton.Params circle = MorphingButton.Params.create()
      .duration(integer(R.integer.mb_animation))
      .cornerRadius(dimen(R.dimen.mb_height_56))
      .width(dimen(R.dimen.mb_height_56))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_green))
      .colorPressed(color(R.color.mb_green_dark))
      .icon(R.drawable.ic_done);
  btnMorph.morph(circle);
}

private void morphToSquare(final MorphingButton btnMorph, int duration) {
  MorphingButton.Params square = MorphingButton.Params.create()
      .duration(duration)
      .cornerRadius(dimen(R.dimen.mb_corner_radius_2))
      .width(dimen(R.dimen.mb_width_100))
      .height(dimen(R.dimen.mb_height_56))
      .color(color(R.color.mb_blue))
      .colorPressed(color(R.color.mb_blue_dark))
      .text(getString(R.string.mb_button));
  btnMorph.morph(square);
}