private void setIconTintInternal(float darkIntensity) {
   mDarkIntensity = darkIntensity;
   mIconTint =
       (int)
           ArgbEvaluator.getInstance()
               .evaluate(
                   darkIntensity, mLightModeIconColorSingleTone, mDarkModeIconColorSingleTone);
   applyIconTint();
 }
Exemple #2
0
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
      TypedArray currentColorSet = colors[position];
      TypedArray nextColor = position < colors.length - 1 ? colors[position + 1] : colors[position];

      Integer[] a = new Integer[4];
      for (int i = 0; i < 4; i++) {
        a[i] =
            (Integer)
                colorEvaluator.evaluate(
                    positionOffset, currentColorSet.getColor(i, 0), nextColor.getColor(i, 0));
      }

      changeInterfaceHeadColorTheme(a[0], a[1], a[2], a[3]);
    }
  public CascadeEffectExample(Context context) {
    super(context);

    LayoutInflater inflater = LayoutInflater.from(context);
    ViewGroup container = (ViewGroup) inflater.inflate(R.layout.cascade_effect, this, false);
    addView(container);
    ViewGroup rootView = (ViewGroup) container.findViewById(R.id.root);
    int bgColor = Color.argb(255, 17, 148, 231);
    rootView.setBackgroundColor(bgColor);

    int startColor = Color.argb(255, 255, 64, 230);
    int endColor = Color.argb(255, 255, 230, 64);
    ArgbEvaluator evaluator = new ArgbEvaluator();
    int viewCount = 10;
    for (int i = 0; i < viewCount; i++) {
      final View view = new View(context);
      view.setLayoutParams(
          new TableLayout.LayoutParams(
              ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, 1f));
      mSpringChain.addSpring(
          new SimpleSpringListener() {
            @Override
            public void onSpringUpdate(Spring spring) {
              float value = (float) spring.getCurrentValue();
              view.setTranslationX(value);
            }
          });
      int color = (Integer) evaluator.evaluate((float) i / (float) viewCount, startColor, endColor);
      view.setBackgroundColor(color);
      view.setOnTouchListener(
          new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
              return handleRowTouch(v, event);
            }
          });
      mViews.add(view);
      rootView.addView(view);
    }

    getViewTreeObserver()
        .addOnGlobalLayoutListener(
            new ViewTreeObserver.OnGlobalLayoutListener() {
              @Override
              public void onGlobalLayout() {
                getViewTreeObserver().removeOnGlobalLayoutListener(this);
                List<Spring> springs = mSpringChain.getAllSprings();
                for (int i = 0; i < springs.size(); i++) {
                  springs.get(i).setCurrentValue(-mViews.get(i).getWidth());
                }
                postDelayed(
                    new Runnable() {
                      @Override
                      public void run() {
                        mSpringChain.setControlSpringIndex(0).getControlSpring().setEndValue(0);
                      }
                    },
                    500);
              }
            });
  }
  @Override
  protected void onDraw(@NonNull Canvas canvas) {
    int startX = getScrollX() + (iconLeftBitmaps == null ? 0 : (iconOuterWidth + iconPadding));
    int endX =
        getScrollX()
            + (iconRightBitmaps == null ? getWidth() : getWidth() - iconOuterWidth - iconPadding);
    int lineStartY = getScrollY() + getHeight() - getPaddingBottom();

    // draw the icon(s)
    paint.setAlpha(255);
    if (iconLeftBitmaps != null) {
      Bitmap icon = iconLeftBitmaps[!isInternalValid() ? 3 : !isEnabled() ? 2 : hasFocus() ? 1 : 0];
      int iconLeft = startX - iconPadding - iconOuterWidth + (iconOuterWidth - icon.getWidth()) / 2;
      int iconTop =
          lineStartY + bottomSpacing - iconOuterHeight + (iconOuterHeight - icon.getHeight()) / 2;
      canvas.drawBitmap(icon, iconLeft, iconTop, paint);
    }
    if (iconRightBitmaps != null) {
      Bitmap icon =
          iconRightBitmaps[!isInternalValid() ? 3 : !isEnabled() ? 2 : hasFocus() ? 1 : 0];
      int iconRight = endX + iconPadding + (iconOuterWidth - icon.getWidth()) / 2;
      int iconTop =
          lineStartY + bottomSpacing - iconOuterHeight + (iconOuterHeight - icon.getHeight()) / 2;
      canvas.drawBitmap(icon, iconRight, iconTop, paint);
    }

    // draw the clear button
    if (hasFocus() && showClearButton && !TextUtils.isEmpty(getText()) && isEnabled()) {
      paint.setAlpha(255);
      int buttonLeft;
      if (isRTL()) {
        buttonLeft = startX;
      } else {
        buttonLeft = endX - iconOuterWidth;
      }
      Bitmap clearButtonBitmap = clearButtonBitmaps[0];
      buttonLeft += (iconOuterWidth - clearButtonBitmap.getWidth()) / 2;
      int iconTop =
          lineStartY
              + bottomSpacing
              - iconOuterHeight
              + (iconOuterHeight - clearButtonBitmap.getHeight()) / 2;
      canvas.drawBitmap(clearButtonBitmap, buttonLeft, iconTop, paint);
    }

    // draw the underline
    if (!hideUnderline) {
      lineStartY += bottomSpacing;
      if (!isInternalValid()) { // not valid
        paint.setColor(errorColor);
        canvas.drawRect(startX, lineStartY, endX, lineStartY + getPixel(2), paint);
      } else if (!isEnabled()) { // disabled
        paint.setColor(underlineColor != -1 ? underlineColor : baseColor & 0x00ffffff | 0x44000000);
        float interval = getPixel(1);
        for (float xOffset = 0; xOffset < getWidth(); xOffset += interval * 3) {
          canvas.drawRect(
              startX + xOffset,
              lineStartY,
              startX + xOffset + interval,
              lineStartY + getPixel(1),
              paint);
        }
      } else if (hasFocus()) { // focused
        paint.setColor(primaryColor);
        canvas.drawRect(startX, lineStartY, endX, lineStartY + getPixel(2), paint);
      } else { // normal
        paint.setColor(underlineColor != -1 ? underlineColor : baseColor & 0x00ffffff | 0x1E000000);
        canvas.drawRect(startX, lineStartY, endX, lineStartY + getPixel(1), paint);
      }
    }

    textPaint.setTextSize(bottomTextSize);
    Paint.FontMetrics textMetrics = textPaint.getFontMetrics();
    float relativeHeight = -textMetrics.ascent - textMetrics.descent;
    float bottomTextPadding = bottomTextSize + textMetrics.ascent + textMetrics.descent;

    // draw the characters counter
    if ((hasFocus() && hasCharactersCounter()) || !isCharactersCountValid()) {
      textPaint.setColor(
          isCharactersCountValid() ? (baseColor & 0x00ffffff | 0x44000000) : errorColor);
      String charactersCounterText = getCharactersCounterText();
      canvas.drawText(
          charactersCounterText,
          isRTL() ? startX : endX - textPaint.measureText(charactersCounterText),
          lineStartY + bottomSpacing + relativeHeight,
          textPaint);
    }

    // draw the bottom text
    if (textLayout != null) {
      if (tempErrorText != null
          || ((helperTextAlwaysShown || hasFocus())
              && !TextUtils.isEmpty(helperText))) { // error text or helper text
        textPaint.setColor(
            tempErrorText != null
                ? errorColor
                : helperTextColor != -1 ? helperTextColor : (baseColor & 0x00ffffff | 0x44000000));
        canvas.save();
        if (isRTL()) {
          canvas.translate(
              endX - textLayout.getWidth(), lineStartY + bottomSpacing - bottomTextPadding);
        } else {
          canvas.translate(
              startX + getBottomTextLeftOffset(), lineStartY + bottomSpacing - bottomTextPadding);
        }
        textLayout.draw(canvas);
        canvas.restore();
      }
    }

    // draw the floating label
    if (floatingLabelEnabled && !TextUtils.isEmpty(floatingLabelText)) {
      textPaint.setTextSize(floatingLabelTextSize);
      // calculate the text color
      textPaint.setColor(
          (Integer)
              focusEvaluator.evaluate(
                  focusFraction * (isEnabled() ? 1 : 0),
                  floatingLabelTextColor != -1
                      ? floatingLabelTextColor
                      : (baseColor & 0x00ffffff | 0x44000000),
                  primaryColor));

      // calculate the horizontal position
      float floatingLabelWidth = textPaint.measureText(floatingLabelText.toString());
      int floatingLabelStartX;
      if ((getGravity() & Gravity.RIGHT) == Gravity.RIGHT || isRTL()) {
        floatingLabelStartX = (int) (endX - floatingLabelWidth);
      } else if ((getGravity() & Gravity.LEFT) == Gravity.LEFT) {
        floatingLabelStartX = startX;
      } else {
        floatingLabelStartX =
            startX
                + (int)
                    (getInnerPaddingLeft()
                        + (getWidth()
                                - getInnerPaddingLeft()
                                - getInnerPaddingRight()
                                - floatingLabelWidth)
                            / 2);
      }

      // calculate the vertical position
      int distance = floatingLabelPadding;
      int floatingLabelStartY =
          (int)
              (innerPaddingTop
                  + floatingLabelTextSize
                  + floatingLabelPadding
                  - distance * (floatingLabelAlwaysShown ? 1 : floatingLabelFraction)
                  + getScrollY());

      // calculate the alpha
      int alpha =
          ((int)
              ((floatingLabelAlwaysShown ? 1 : floatingLabelFraction)
                  * 0xff
                  * (0.74f * focusFraction * (isEnabled() ? 1 : 0) + 0.26f)
                  * (floatingLabelTextColor != -1
                      ? 1
                      : Color.alpha(floatingLabelTextColor) / 256f)));
      textPaint.setAlpha(alpha);

      // draw the floating label
      canvas.drawText(
          floatingLabelText.toString(), floatingLabelStartX, floatingLabelStartY, textPaint);
    }

    // draw the bottom ellipsis
    if (hasFocus() && singleLineEllipsis && getScrollX() != 0) {
      paint.setColor(isInternalValid() ? primaryColor : errorColor);
      float startY = lineStartY + bottomSpacing;
      int ellipsisStartX;
      if (isRTL()) {
        ellipsisStartX = endX;
      } else {
        ellipsisStartX = startX;
      }
      int signum = isRTL() ? -1 : 1;
      canvas.drawCircle(
          ellipsisStartX + signum * bottomEllipsisSize / 2,
          startY + bottomEllipsisSize / 2,
          bottomEllipsisSize / 2,
          paint);
      canvas.drawCircle(
          ellipsisStartX + signum * bottomEllipsisSize * 5 / 2,
          startY + bottomEllipsisSize / 2,
          bottomEllipsisSize / 2,
          paint);
      canvas.drawCircle(
          ellipsisStartX + signum * bottomEllipsisSize * 9 / 2,
          startY + bottomEllipsisSize / 2,
          bottomEllipsisSize / 2,
          paint);
    }

    // draw the original things
    super.onDraw(canvas);
  }