/** 设置未读消息偏移,原点为文字的右上角.当控件高度固定,消息提示位置易控制,显示效果佳 */
public void setMsgMargin(int position, float leftPadding, float bottomPadding) {
if (position >= mTabCount) {
position = mTabCount - 1;
}
View tabView = mTabsContainer.getChildAt(position);
MsgView tipView = (MsgView) tabView.findViewById(R.id.rtv_msg_tip);
if (tipView != null) {
TextView tv_tab_title = (TextView) tabView.findViewById(R.id.tv_tab_title);
mTextPaint.setTextSize(mTextsize);
float textWidth = mTextPaint.measureText(tv_tab_title.getText().toString());
float textHeight = mTextPaint.descent() - mTextPaint.ascent();
MarginLayoutParams lp = (MarginLayoutParams) tipView.getLayoutParams();
lp.leftMargin =
mTabWidth >= 0
? (int) (mTabWidth / 2 + textWidth / 2 + dp2px(leftPadding))
: (int) (mTabPadding + textWidth + dp2px(leftPadding));
lp.topMargin = mHeight > 0 ? (int) (mHeight - textHeight) / 2 - dp2px(bottomPadding) : 0;
tipView.setLayoutParams(lp);
}
}
private void applyMarginInsets(
MarginLayoutParams lp, Object insets, int drawerGravity, boolean topOnly) {
WindowInsets wi = (WindowInsets) insets;
if (drawerGravity == Gravity.LEFT) {
wi =
wi.replaceSystemWindowInsets(
wi.getSystemWindowInsetLeft(),
wi.getSystemWindowInsetTop(),
0,
wi.getSystemWindowInsetBottom());
} else if (drawerGravity == Gravity.RIGHT) {
wi =
wi.replaceSystemWindowInsets(
0,
wi.getSystemWindowInsetTop(),
wi.getSystemWindowInsetRight(),
wi.getSystemWindowInsetBottom());
}
lp.leftMargin = wi.getSystemWindowInsetLeft();
lp.topMargin = topOnly ? 0 : wi.getSystemWindowInsetTop();
lp.rightMargin = wi.getSystemWindowInsetRight();
lp.bottomMargin = wi.getSystemWindowInsetBottom();
}
public void setOffset(float offset) {
int parallaxOffset = (int) (offset * mParallaxValue);
mLayoutParams.leftMargin = parallaxOffset;
mLayoutParams.rightMargin = -parallaxOffset;
requestLayout();
}