android.widget.TextView#getLeft ( )源码实例Demo

下面列出了android.widget.TextView#getLeft ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： TelePlus-Android 文件： ScrollSlidingTextTabStrip.java

public void selectTabWithId(int id, float progress) {
    int position = idToPosition.get(id, -1);
    if (position < 0) {
        return;
    }
    if (progress < 0) {
        progress = 0;
    } else if (progress > 1.0f) {
        progress = 1.0f;
    }
    TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
    TextView nextChild = (TextView) tabsContainer.getChildAt(position);
    if (child != null && nextChild != null) {
        animateIndicatorStartX = child.getLeft();
        animateIndicatorStartWidth = child.getMeasuredWidth();
        animateIndicatorToX = nextChild.getLeft();
        animateIndicatorToWidth = nextChild.getMeasuredWidth();
        setAnimationProgressInernal(nextChild, child, progress);
    }
    if (progress >= 1.0f) {
        currentPosition = position;
        selectedTabId = id;
    }
}

源代码2 项目： cannonball-android 文件： PoemBuilderActivity.java

private Integer pointToWordIndex(float x, float y) {
    float startX = 0;
    boolean reachedY = false;
    final int count = words.size();
    // Margin top and bottom between words, see flowlayout
    final int space = getResources().getDimensionPixelSize(R.dimen.word_padding_vertical);

    for (int i = 0; i < count; i++) {
        final TextView word = words.get(i);
        final float wordX = word.getLeft();
        final float wordY = word.getTop();

        if (y > wordY - space && y < (wordY + word.getHeight() + space)) {
            if (x > startX && x < (wordX + Math.round(word.getWidth() / 2))) {
                return i;
            }
            startX = (wordX + (word.getWidth() / 2));
            reachedY = true;
        } else if (reachedY) {
            return i;
        }
    }
    return count;
}

源代码3 项目： TelePlus-Android 文件： ScrollSlidingTextTabStrip.java

public void selectTabWithId(int id, float progress) {
    int position = idToPosition.get(id, -1);
    if (position < 0) {
        return;
    }
    if (progress < 0) {
        progress = 0;
    } else if (progress > 1.0f) {
        progress = 1.0f;
    }
    TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
    TextView nextChild = (TextView) tabsContainer.getChildAt(position);
    if (child != null && nextChild != null) {
        animateIndicatorStartX = child.getLeft();
        animateIndicatorStartWidth = child.getMeasuredWidth();
        animateIndicatorToX = nextChild.getLeft();
        animateIndicatorToWidth = nextChild.getMeasuredWidth();
        setAnimationProgressInernal(nextChild, child, progress);
    }
    if (progress >= 1.0f) {
        currentPosition = position;
        selectedTabId = id;
    }
}

源代码4 项目： NewFastFrame 文件： ViewPagerIndicator.java

/**
 * 指示器跟随手指进行滚动
 */
public void scroll(int position, float offset) {
    if (getChildAt(position + 1) != null) {
        TextView end = (TextView) getChildAt(position + 1);
        Rect bound = new Rect();
        end.getPaint().getTextBounds(end.getText().toString(), 0, end.getText().length(), bound);
        int endLength = bound.width() + 20;
        int endTranslationX = (end.getMeasuredWidth() - endLength) / 2 + end.getLeft();
        TextView start = (TextView) getChildAt(position);
        start.getPaint().getTextBounds(start.getText().toString(), 0, start.getText().length(), bound);
        int startLength = bound.width() + 20;
        int startTranslationX = (start.getMeasuredWidth() - startLength) / 2 + start.getLeft();
        mTranslationX = startTranslationX + (endTranslationX - startTranslationX) * offset;
        float value = (endLength - startLength) * offset;
        mPath.reset();
        mPath.moveTo(0, 0);
        mPath.lineTo(value + startLength, 0);
        mPath.lineTo(value + startLength, lineHeight);
        mPath.lineTo(0, value + startLength);
        mPath.close();
    }
    invalidate();
}

源代码5 项目： QiQuYing 文件： CategoryTabStrip.java

private void calculateIndicatorRect(Rect rect) {
	ViewGroup currentTab = (ViewGroup)tabsContainer.getChildAt(currentPosition);
	TextView category_text = (TextView) currentTab.findViewById(R.id.category_text);
	
	float left = (float) (currentTab.getLeft() + category_text.getLeft());
       float width = ((float) category_text.getWidth()) + left;
       
       if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {
       	ViewGroup nextTab = (ViewGroup)tabsContainer.getChildAt(currentPosition + 1);
		TextView next_category_text = (TextView) nextTab.findViewById(R.id.category_text);
		
		float next_left = (float) (nextTab.getLeft() + next_category_text.getLeft());
		left = left * (1.0f - currentPositionOffset) + next_left * currentPositionOffset;
		width = width * (1.0f - currentPositionOffset) + currentPositionOffset * (((float) next_category_text.getWidth()) + next_left);
       }
       
       rect.set(((int) left) + getPaddingLeft(), getPaddingTop() + currentTab.getTop() + category_text.getTop(), 
			((int) width) + getPaddingLeft(), currentTab.getTop() + getPaddingTop() + category_text.getTop() + category_text.getHeight());

}

源代码6 项目： cannonball-android 文件： PoemBuilderActivity.java

private Integer pointToWordIndex(float x, float y) {
    float startX = 0;
    boolean reachedY = false;
    final int count = words.size();
    // Margin top and bottom between words, see flowlayout
    final int space = getResources().getDimensionPixelSize(R.dimen.word_padding_vertical);

    for (int i = 0; i < count; i++) {
        final TextView word = words.get(i);
        final float wordX = word.getLeft();
        final float wordY = word.getTop();

        if (y > wordY - space && y < (wordY + word.getHeight() + space)) {
            if (x > startX && x < (wordX + Math.round(word.getWidth() / 2))) {
                return i;
            }
            startX = (wordX + (word.getWidth() / 2));
            reachedY = true;
        } else if (reachedY) {
            return i;
        }
    }
    return count;
}

源代码7 项目： Telegram-FOSS 文件： ScrollSlidingTextTabStrip.java

private void scrollToChild(int position) {
    if (tabCount == 0 || scrollingToChild == position) {
        return;
    }
    scrollingToChild = position;
    TextView child = (TextView) tabsContainer.getChildAt(position);
    if (child == null) {
        return;
    }
    int currentScrollX = getScrollX();
    int left = child.getLeft();
    int width = child.getMeasuredWidth();
    if (left < currentScrollX) {
        smoothScrollTo(left, 0);
    } else if (left + width > currentScrollX + getWidth()) {
        smoothScrollTo(left + width, 0);
    }
}

源代码8 项目： Telegram-FOSS 文件： ScrollSlidingTextTabStrip.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);

    if (prevLayoutWidth != r - l) {
        prevLayoutWidth = r - l;
        scrollingToChild = -1;
        if (animatingIndicator) {
            AndroidUtilities.cancelRunOnUIThread(animationRunnable);
            animatingIndicator = false;
            setEnabled(true);
            if (delegate != null) {
                delegate.onPageScrolled(1.0f);
            }
        }
        TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
        if (child != null) {
            indicatorWidth = getChildWidth(child);
            indicatorX = child.getLeft() + (child.getMeasuredWidth() - indicatorWidth) / 2;
        }
    }
}

源代码9 项目： Telegram 文件： ScrollSlidingTextTabStrip.java

private void scrollToChild(int position) {
    if (tabCount == 0 || scrollingToChild == position) {
        return;
    }
    scrollingToChild = position;
    TextView child = (TextView) tabsContainer.getChildAt(position);
    if (child == null) {
        return;
    }
    int currentScrollX = getScrollX();
    int left = child.getLeft();
    int width = child.getMeasuredWidth();
    if (left < currentScrollX) {
        smoothScrollTo(left, 0);
    } else if (left + width > currentScrollX + getWidth()) {
        smoothScrollTo(left + width, 0);
    }
}

源代码10 项目： Telegram 文件： ScrollSlidingTextTabStrip.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);

    if (prevLayoutWidth != r - l) {
        prevLayoutWidth = r - l;
        scrollingToChild = -1;
        if (animatingIndicator) {
            AndroidUtilities.cancelRunOnUIThread(animationRunnable);
            animatingIndicator = false;
            setEnabled(true);
            if (delegate != null) {
                delegate.onPageScrolled(1.0f);
            }
        }
        TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
        if (child != null) {
            indicatorWidth = getChildWidth(child);
            indicatorX = child.getLeft() + (child.getMeasuredWidth() - indicatorWidth) / 2;
        }
    }
}

源代码11 项目： QiQuYing 文件： CategoryTabStrip.java

@Override
public void draw(Canvas canvas) {
	super.draw(canvas);
	
       calculateIndicatorRect(indicatorRect);
       
	if(indicator != null) {
		indicator.setBounds(indicatorRect);
		indicator.draw(canvas);
	}
	
       int i = 0;
       while (i < tabsContainer.getChildCount()) {
           if (i < currentPosition - 1 || i > currentPosition + 1) {
               i++;
           } else {
           	ViewGroup tab = (ViewGroup)tabsContainer.getChildAt(i);
           	TextView category_text = (TextView) tab.findViewById(R.id.category_text);
               if (category_text != null) {
                   TextDrawable textDrawable = drawables[i - currentPosition + 1];
                   int save = canvas.save();
                   calculateIndicatorRect(indicatorRect);
                   canvas.clipRect(indicatorRect);
                   textDrawable.setText(category_text.getText());
                   textDrawable.setTextSize(0, category_text.getTextSize());
                   textDrawable.setTextColor(getResources().getColor(R.color.main_color));
                   int left = tab.getLeft() + category_text.getLeft() + (category_text.getWidth() - textDrawable.getIntrinsicWidth()) / 2 + getPaddingLeft();
                   int top = tab.getTop() + category_text.getTop() + (category_text.getHeight() - textDrawable.getIntrinsicHeight()) / 2 + getPaddingTop();
                   textDrawable.setBounds(left, top, textDrawable.getIntrinsicWidth() + left, textDrawable.getIntrinsicHeight() + top);
                   textDrawable.draw(canvas);
                   canvas.restoreToCount(save);
               }
               i++;
           }
       }
       
}

源代码12 项目： Telegram-FOSS 文件： ScrollSlidingTextTabStrip.java

public void selectTabWithId(int id, float progress) {
    int position = idToPosition.get(id, -1);
    if (position < 0) {
        return;
    }
    if (progress < 0) {
        progress = 0;
    } else if (progress > 1.0f) {
        progress = 1.0f;
    }
    TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
    TextView nextChild = (TextView) tabsContainer.getChildAt(position);
    if (child != null && nextChild != null) {
        animateIndicatorStartWidth = getChildWidth(child);
        animateIndicatorStartX = child.getLeft() + (child.getMeasuredWidth() - animateIndicatorStartWidth) / 2;
        animateIndicatorToWidth = getChildWidth(nextChild);
        animateIndicatorToX = nextChild.getLeft() + (nextChild.getMeasuredWidth() - animateIndicatorToWidth) / 2;
        setAnimationProgressInernal(nextChild, child, progress);
        if (progress >= 1f) {
            child.setTag(unactiveTextColorKey);
            nextChild.setTag(activeTextColorKey);
        }
        scrollToChild(tabsContainer.indexOfChild(nextChild));
    }
    if (progress >= 1.0f) {
        currentPosition = position;
        selectedTabId = id;
    }
}

源代码13 项目： Telegram 文件： ScrollSlidingTextTabStrip.java

public void selectTabWithId(int id, float progress) {
    int position = idToPosition.get(id, -1);
    if (position < 0) {
        return;
    }
    if (progress < 0) {
        progress = 0;
    } else if (progress > 1.0f) {
        progress = 1.0f;
    }
    TextView child = (TextView) tabsContainer.getChildAt(currentPosition);
    TextView nextChild = (TextView) tabsContainer.getChildAt(position);
    if (child != null && nextChild != null) {
        animateIndicatorStartWidth = getChildWidth(child);
        animateIndicatorStartX = child.getLeft() + (child.getMeasuredWidth() - animateIndicatorStartWidth) / 2;
        animateIndicatorToWidth = getChildWidth(nextChild);
        animateIndicatorToX = nextChild.getLeft() + (nextChild.getMeasuredWidth() - animateIndicatorToWidth) / 2;
        setAnimationProgressInernal(nextChild, child, progress);
        if (progress >= 1f) {
            child.setTag(unactiveTextColorKey);
            nextChild.setTag(activeTextColorKey);
        }
        scrollToChild(tabsContainer.indexOfChild(nextChild));
    }
    if (progress >= 1.0f) {
        currentPosition = position;
        selectedTabId = id;
    }
}

源代码14 项目： android-test 文件： ViewPagerActions.java

/** Clicks between two titles in a <code>ViewPager</code> title strip */
public static ViewAction clickBetweenTwoTitles(final String title1, final String title2) {
  return new GeneralClickAction(
      Tap.SINGLE,
      new CoordinatesProvider() {

        @Override
        public float[] calculateCoordinates(View view) {
          PagerTitleStrip pagerStrip = (PagerTitleStrip) view;

          // Get the screen position of the pager strip
          final int[] viewScreenPosition = new int[2];
          pagerStrip.getLocationOnScreen(viewScreenPosition);

          // Get the left / right of the first title
          int title1Left = 0, title1Right = 0, title2Left = 0, title2Right = 0;
          final int childCount = pagerStrip.getChildCount();
          for (int i = 0; i < childCount; i++) {
            final View child = pagerStrip.getChildAt(i);
            if (child instanceof TextView) {
              final TextView textViewChild = (TextView) child;
              final CharSequence childText = textViewChild.getText();
              if (title1.equals(childText)) {
                title1Left = textViewChild.getLeft();
                title1Right = textViewChild.getRight();
              } else if (title2.equals(childText)) {
                title2Left = textViewChild.getLeft();
                title2Right = textViewChild.getRight();
              }
            }
          }

          if (title1Right < title2Left) {
            // Title 1 is to the left of title 2
            return new float[] {
              viewScreenPosition[0] + (title1Right + title2Left) / 2,
              viewScreenPosition[1] + pagerStrip.getHeight() / 2
            };
          } else {
            // The assumption here is that PagerTitleStrip prevents titles
            // from overlapping, so if we get here it means that title 1
            // is to the right of title 2
            return new float[] {
              viewScreenPosition[0] + (title2Right + title1Left) / 2,
              viewScreenPosition[1] + pagerStrip.getHeight() / 2
            };
          }
        }
      },
      Press.FINGER,
      0,
      0);
}

方法所在类

android.widget.TextView