/**
- 功能简介：获取焦点时放大
*/
public class TVMetroRelativeLayout extends RelativeLayout {
/**
* 无效果
*/
public final static int ANIM_DEFAULT = 0;
/**
* 平移
*/
public final static int ANIM_TRASLATE = 1;
/**
* 光标tag
*/
private final String cursorTag = "cursor_rcs";
/**
* 光标
*/
private View cursor;
/**
* 光标资源
*/
private int cursorRes;
/**
* 光标飘移动画 默认无效果
*/
private int animationType;
/**
* 放大用时
*/
private int durationLarge;
/**
* 缩小用时
*/
private int durationSmall ;
/**
* 滑动用时
*/
private int durationTranslate=1000;
/**
* 放大高度
*/
private int biggerHeight = 40;
/**
* 放大宽度
*/
private int biggerWidth = 40;
/**
* 阴影宽高
*/
private int shadow = 5;
/**
* 光标高度
*/
private int cursorHeight = 0;
/**
* 光标宽度
*/
private int cursorWidth = 0;
/**
* 鼠标二次点击
*/
private boolean clickSecond = true;
private AnimatorSet animatorSet;
private ObjectAnimator largeX;
private OnChildSelectListener onChildSelectListener;
private OnChildClickListener onChildClickListener;
private View focusView = null;
public void setBiggerHeight(int biggerHeight){
this.biggerHeight = biggerHeight;
}
public void setBiggerWidth(int biggerWidth){
this.biggerWidth = biggerWidth;
}
public void setShadow(int shadow){
this.shadow = shadow;
}
public int getCursorRes() {
return cursorRes;
}
public void setCursorRes(int cursorRes) {
this.cursorRes = cursorRes;
}
public TVMetroRelativeLayout(Context context) {
this(context, null);
}
public TVMetroRelativeLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TVMetroRelativeLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
float def=(float)getResources().getDimension(R.dimen.y14);
TypedArray custom = getContext().obtainStyledAttributes(attrs, R.styleable.TVMetroRelativeLayout);
this.cursorRes = custom.getResourceId(R.styleable.TVMetroRelativeLayout_cursorRes, 0);
this.animationType = custom.getInt(R.styleable.TVMetroRelativeLayout_animationType, 0);
this.durationLarge = custom.getInteger(R.styleable.TVMetroRelativeLayout_durationLarge, /*6*/300);
this.durationSmall = custom.getInteger(R.styleable.TVMetroRelativeLayout_durationSmall, /*6*/300);
this.durationTranslate = custom.getInteger(R.styleable.TVMetroRelativeLayout_durationTranslate, 6);
this.biggerHeight = (int) custom.getDimension(R.styleable.TVMetroRelativeLayout_biggerHeight, 2);
this.biggerWidth = (int) custom.getDimension(R.styleable.TVMetroRelativeLayout_biggerWidth, 2);
this.shadow = (int) custom.getDimension(R.styleable.TVMetroRelativeLayout_shadow, def);
this.clickSecond = custom.getBoolean(R.styleable.TVMetroRelativeLayout_clickSecond, true);
custom.recycle();
// 关闭子控件动画缓存 使嵌套动画更流畅
setAnimationCacheEnabled(false);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
if (changed) {
super.onLayout(changed, l, t, r, b);
} else {
int cCount = getChildCount();
int cWidth = 0;
int cHeight = 0;
/**
* 遍历所有childView根据其宽和高，以及margin进行布局 选中框无需重定位??初始位置
*/
for (int i = 0; i < cCount; i++) {
View childView = getChildAt(i);
if (childView.getTag() != null && childView.getTag().toString().equals(cursorTag)) {
continue;
}
cWidth = childView.getMeasuredWidth();
cHeight = childView.getMeasuredHeight();
int cl = 0, ct = 0, cr = 0, cb = 0;
cl = childView.getLeft();
ct = childView.getTop();
cr = cl + cWidth;
cb = cHeight + ct;
childView.layout(cl, ct, cr, cb);
}
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
bindEvent();
}
// 初始化焦点
private void bindEvent() {
bindOnChildFocusEvent();
// 初始化焦点
final View focus = findFocus();
if (focus != null) {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
focus.requestFocus();
moveCover(focus);
}
}, 300);
}
}
/**
* 光标移动 到达后 与控件同时放大
*/
private void moveCover(View item) {
if (cursor == null) {
cursor = new View(getContext());
cursor.setFocusable(false);
cursor.setTag(cursorTag);
cursor.setBackgroundResource(cursorRes);
//给一个初始大小
LayoutParams params = new LayoutParams(50, 50);
cursor.setLayoutParams(params);
this.addView(cursor);
}
setBorderParams(item);
}
/**
* 还原控件状态
*/
private void returnCover(View item) {
if (cursor == null) {
return;
}
cursor.setVisibility(View.INVISIBLE);
cursor.clearAnimation();//光标渐变动画停止
scaleToNormal(item);
}
private void scaleToLarge(View item) {
if (!item.isFocused()) {
return;
}
if (onChildSelectListener != null) {
onChildSelectListener.onChildSelect(null);
}
animatorSet = new AnimatorSet();
largeX = ObjectAnimator.ofFloat(item, "ScaleX", 1f, biggerWidth * 1.0f / item.getMeasuredWidth() + 1);
ObjectAnimator largeY = ObjectAnimator.ofFloat(item, "ScaleY", 1f, biggerHeight * 1.0f / item.getMeasuredHeight() + 1);
//放大效果不从1开始的原因是：和放大的组件进行同步
ObjectAnimator cursorX = ObjectAnimator.ofFloat(cursor, "ScaleX", (cursorWidth + shadow) * 1.0f / cursorWidth, (cursorWidth + biggerWidth + shadow) * 1.0f / cursorWidth);
ObjectAnimator cursorY = ObjectAnimator.ofFloat(cursor, "ScaleY", (cursorHeight + shadow) * 1.0f / cursorHeight, (cursorHeight + biggerHeight + shadow) * 1.0f / cursorHeight);
animatorSet.setDuration(durationLarge);
animatorSet.play(largeX).with(largeY).with(cursorX).with(cursorY);
animatorSet.start();
}
private void scaleToNormal(View item) {
if (animatorSet == null) {
return;
}
if (animatorSet.isRunning()) {
animatorSet.cancel();
}
ObjectAnimator oa = ObjectAnimator.ofFloat(item, "ScaleX", 1f);
oa.setDuration(durationSmall);
oa.start();
ObjectAnimator oa2 = ObjectAnimator.ofFloat(item, "ScaleY", 1f);
oa2.setDuration(durationSmall);
oa2.start();
}
/**
* 指定光标相对位置
*/
private void setBorderParams(View item) {
cursor.clearAnimation();
cursor.setVisibility(View.VISIBLE);
// 判断类型
LayoutParams params = (LayoutParams) item.getLayoutParams();
final int l = item.getLeft();
final int t = item.getTop();
final int r = item.getLeft() + params.width;
final int b = item.getTop() + params.height;
cursorWidth = r - l;
cursorHeight = b - t;
switch (animationType) {
case ANIM_DEFAULT:
cursor.layout(l, t, r, b);
item.bringToFront();
cursor.bringToFront();
//光标做渐变 动画
Animation anim = new AlphaAnimation(1.0f, 0f);
anim.setDuration(250);
anim.setRepeatCount(Animation.INFINITE);
anim.setRepeatMode(Animation.REVERSE);
// cursor.startAnimation(anim);
scaleToLarge(item);
break;
case ANIM_TRASLATE:
if (cursor.getLeft() <= 0) {
cursor.layout(l, t, r, b);
}
item.bringToFront();
cursor.bringToFront();
TvAnimator animator = new TvAnimator(cursor, item);
animator.setTargetParams(l, t, r - l, b - t);
animator.execute();
break;
}
}
class TvAnimator extends AsyncTask<Void, Integer, Integer> {
private View target, item;
private int l, t, cl, ct;
private int width, cwidth, height, cheight;
private int dX, dY, dW, dH;
private int frequence = 17;
private int cbiggerWidth;
private int cbiggerHeight;
private int animDuration = 6;
TvAnimator(View target, View item) {
this.target = target;
this.item = item;
}
public void setTargetParams(int l, int t, int width, int height) {
this.l = l;
this.t = t;
this.width = width;
this.height = height;
this.cl = target.getLeft();
this.ct = target.getTop();
this.cwidth = target.getWidth();
this.cheight = target.getHeight();
this.cbiggerWidth = shadow + biggerWidth;
this.cbiggerHeight = shadow + biggerHeight;
}
@Override
protected void onPreExecute() {
dW = (int) (width - cwidth > 0 ? Math.ceil((width - cwidth)
/ (frequence * 1.0)) : Math.floor((width - cwidth)
/ (frequence * 1.0)));
dH = (int) (height - cheight > 0 ? Math.ceil((height - cheight)
/ (frequence * 1.0)) : Math.floor((height - cheight)
/ (frequence * 1.0)));
dX = (int) (l - cl > 0 ? Math.ceil((l - cl) / (frequence * 1.0))
: Math.floor((l - cl) / (frequence * 1.0)));
dY = (int) (t - ct >= 0 ? Math.ceil((t - ct) / (frequence * 1.0))
: Math.floor((t - ct) / (frequence * 1.0)));
}
@Override
protected Integer doInBackground(Void... params) {
while (cl != l || t != ct || cwidth != width || cheight != height) {
if (Math.abs(cl - l) <= Math.abs(dX)) {
cl = l;
} else {
cl += dX;
}
if (Math.abs(ct - t) <= Math.abs(dY)) {
ct = t;
} else {
ct += dY;
}
if (Math.abs(width - cwidth) <= Math.abs(dW)) {
cwidth = width;
dW = 0;
} else {
cwidth += dW;
}
if (Math.abs(height - cheight) <= Math.abs(dH)) {
cheight = height;
dH = 0;
} else {
cheight += dH;
}
publishProgress(cl, ct, cl + cwidth + dW, ct + cheight + dH);
try {
Thread.sleep(durationTranslate);
} catch (InterruptedException e) {
}
}
return null;
}
@Override
protected void onPostExecute(Integer integer) {
if (!item.isFocused()) {
return;
}
animatorSet = new AnimatorSet();
ValueAnimator largeX = ObjectAnimator.ofFloat(item, "ScaleX", 1f, biggerWidth * 1.0f / width + 1);
ValueAnimator largeY = ObjectAnimator.ofFloat(item, "ScaleY", 1f, biggerHeight * 1.0f / height + 1);
animatorSet.setDuration(durationLarge);
animatorSet.setInterpolator(new DecelerateInterpolator(3.0f));
animatorSet.play(largeX).with(largeY);
animatorSet.start();
// 中心放大 左上减 右下加
ValueAnimator animation = ValueAnimator.ofFloat(1f, animDuration);
animation.setDuration(durationLarge);
animation.setInterpolator(new DecelerateInterpolator(3.0f));
animation.addUpdateListener(new AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
float curScale = (Float) animation.getAnimatedValue();
int dw = (int) (cbiggerWidth * curScale / (animDuration * 2 ));
int dh = (int) (cbiggerHeight * curScale / (animDuration * 2 ));
target.layout(l - dw, t - dh, l + cwidth + dw, t + cheight + dh);
}
});
animation.start();
}
@Override
protected void onProgressUpdate(Integer... values) {
target.layout(values[0], values[1], values[2], values[3]);
}
}
private void bindOnChildClickEvent(){
if (getChildCount() < 1) {
return;
}
View child = null;
for (int i = 0; i < getChildCount(); i++) {
child = getChildAt(i);
if (child != null) {
if (onChildClickListener != null) {
child.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View child) {
if(clickSecond){ //鼠标二次点击才能正在激发控件的点击事件
if(child == focusView){
onChildClickListener.onChildClick(child);
}else{
child.setFocusable(true);
child.setFocusableInTouchMode(true);
child.requestFocus();
child.requestFocusFromTouch();
}
}else{
onChildClickListener.onChildClick(child);
}
}
});
}
}
}
}
private void bindOnChildSelectEvent(){
if (getChildCount() < 1) {
return;
}
View child = null;
for (int i = 0; i < getChildCount(); i++) {
child = getChildAt(i);
if (child != null) {
child.setOnFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(final View child, boolean focus) {
if (focus) {
focusView = child;
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
moveCover(child);
}
}, 0);
// 选中事件
if (onChildSelectListener != null) {
onChildSelectListener.onChildSelect(child);
}
} else {
returnCover(child);
}
}
});
}
}
}
private void bindOnChildFocusEvent(){
if (getChildCount() < 1) {
return;
}
View child = null;
for (int i = 0; i < getChildCount(); i++) {
child = getChildAt(i);
if (child != null) {
child.setOnFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(final View child, boolean focus) {
if (focus) {
focusView = child;
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
moveCover(child);
}
}, 0);
} else {
returnCover(child);
}
}
});
}
}
}
public void setOnChildSelectListener(OnChildSelectListener onChildSelectListener) {
this.onChildSelectListener = onChildSelectListener;
bindOnChildSelectEvent();
}
public void setOnChildClickListener(OnChildClickListener onChildClickListener) {
this.onChildClickListener = onChildClickListener;
bindOnChildClickEvent();
}
public interface OnChildSelectListener {
public void onChildSelect(View child);
}
public interface OnChildClickListener {
public void onChildClick(View child);
}
}
网友评论