下面列出了android.view.Gravity#isVertical ( ) 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。
public VerticalButton(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
}
setPadding(0, 20, 0, 0);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.VerticalButton);
CharSequence s = a.getString(R.styleable.VerticalButton_android_text);
if(s != null) setText(s.toString());
a.recycle();
}
/**
* Adds an arrow view pointing at the original icon.
* @param horizontalOffset the horizontal offset of the arrow, so that it
* points at the center of the original icon
*/
private View addArrowView(int horizontalOffset, int verticalOffset, int width, int height) {
LayoutParams layoutParams = new LayoutParams(width, height);
if (mIsLeftAligned) {
layoutParams.gravity = Gravity.START;
layoutParams.leftMargin = horizontalOffset;
} else {
layoutParams.gravity = Gravity.END;
layoutParams.rightMargin = horizontalOffset;
}
if (mIsAboveIcon) {
layoutParams.topMargin = verticalOffset;
} else {
layoutParams.bottomMargin = verticalOffset;
}
View arrowView = new View(getContext());
if (Gravity.isVertical(((FrameLayout.LayoutParams) getLayoutParams()).gravity)) {
// This is only true if there wasn't room for the container next to the icon,
// so we centered it instead. In that case we don't want to show the arrow.
arrowView.setVisibility(INVISIBLE);
} else {
ShapeDrawable arrowDrawable = new ShapeDrawable(TriangleShape.create(
width, height, !mIsAboveIcon));
Paint arrowPaint = arrowDrawable.getPaint();
// Note that we have to use getChildAt() instead of getItemViewAt(),
// since the latter expects the arrow which hasn't been added yet.
PopupItemView itemAttachedToArrow = (PopupItemView)
(getChildAt(mIsAboveIcon ? getChildCount() - 1 : 0));
arrowPaint.setColor(itemAttachedToArrow.getArrowColor(mIsAboveIcon));
// The corner path effect won't be reflected in the shadow, but shouldn't be noticeable.
int radius = getResources().getDimensionPixelSize(R.dimen.popup_arrow_corner_radius);
arrowPaint.setPathEffect(new CornerPathEffect(radius));
arrowView.setBackground(arrowDrawable);
arrowView.setElevation(getElevation());
}
addView(arrowView, mIsAboveIcon ? getChildCount() : 0, layoutParams);
return arrowView;
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if (Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
} else {
topDown = true;
}
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}else
topDown = true;
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}else
topDown = true;
}
public AVerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity& Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}else
topDown = true;
}
public VerticalTextView(Context context, AttributeSet attrs) {
super(context, attrs);
final int gravity = getGravity();
if (Gravity.isVertical(gravity) && (gravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
} else
topDown = true;
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if (Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
} else {
topDown = true;
}
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if (Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
} else {
topDown = true;
}
}
/**
* Resolves layer gravity given explicit gravity and dimensions.
* <p/>
* If the client hasn't specified a gravity but has specified an explicit dimension, defaults to
* START or TOP. Otherwise, defaults to FILL to preserve legacy behavior.
*
* @param gravity layer gravity
* @param width width of the layer if set, -1 otherwise
* @param height height of the layer if set, -1 otherwise
* @return the default gravity for the layer
*/
private static int resolveGravity(int gravity, int width, int height,
int intrinsicWidth, int intrinsicHeight) {
if (!Gravity.isHorizontal(gravity)) {
if (width < 0) {
gravity |= Gravity.FILL_HORIZONTAL;
} else {
gravity |= Gravity.START;
}
}
if (!Gravity.isVertical(gravity)) {
if (height < 0) {
gravity |= Gravity.FILL_VERTICAL;
} else {
gravity |= Gravity.TOP;
}
}
// If a dimension if not specified, either implicitly or explicitly,
// force FILL for that dimension's gravity. This ensures that colors
// are handled correctly and ensures backward compatibility.
if (width < 0 && intrinsicWidth < 0) {
gravity |= Gravity.FILL_HORIZONTAL;
}
if (height < 0 && intrinsicHeight < 0) {
gravity |= Gravity.FILL_VERTICAL;
}
return gravity;
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if (Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
} else {
topDown = true;
}
}
public VerticalTextView(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}else
topDown = true;
}
public VerticalButton(Context context, AttributeSet attrs){
super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = true;
}
else
topDown = false;
}