两个很简单的自定义view （浮动tv，左侧收回，右侧收回效果） 类似360浮动球 & 上下手势滑动滚出屏幕，和回弹动画
1上代码：
@SuppressLint("AppCompatCustomView")
public class ReverseMenu extends TextView {
Context context;
private int width;
private int heights;
private TranslateAnimation down;
private boolean isLeft = true;
private TVlisten listens;
private int height;
private float scroX;
private boolean scrolIsLeft = true;
private int lastX, lastY;
private int l;
private int b;
private int r;
private int t;
private int l_ok;
private int t_ok;
private int r_ok;
private int b_ok;
private int soushiX;
private float mReX;
private int returns_left;
private int returns_right;
private boolean layout_;
public ReverseMenu(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.context = context;
// TODO Auto-generated constructor stub
inits();
}
public ReverseMenu(Context context, AttributeSet attrs) {
this(context, attrs, 0);
// TODO Auto-generated constructor stub
this.context = context;
inits();
}
public ReverseMenu(Context context) {
this(context, null);
this.context = context;
// TODO Auto-generated constructor stub
inits();
}
@Override
public void layout(int l1, int t1, int r1, int b1) {
if (!layout_) {
super.layout(l1, t1, r1, b1);
} else {
//用于home 灭屏返回上次移动位置
super.layout(l_ok, t_ok, r_ok, b_ok);
}
}
@Override
public void onWindowFocusChanged(boolean hasWindowFocus) {
super.onWindowFocusChanged(hasWindowFocus);
if (!hasWindowFocus)
layout_ = true; //设置标识，用于home 灭屏返回上次移动位置
}
/**
* 初始化公用参数
*/
private void inits() {
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(dm);
width = dm.widthPixels;
heights = dm.heightPixels;
height = getHeight();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: //按下手势
layout_ = false;
lastX = (int) event.getRawX();
lastY = (int) event.getRawY();
scroX = event.getX();
break;
case MotionEvent.ACTION_MOVE: //移动手势
layout_ = false;
if (isLeft) {
if (event.getRawX() < mReX) {
//回划手势了
returns_left = 1;
}
} else {
if (event.getRawX() > mReX) {
//回划手势了
returns_right = 1;
}
}
mReX = event.getRawX();
int dx = (int) event.getRawX() - lastX;
int dy = (int) event.getRawY() - lastY;
soushiX = dx;
l = getLeft() + dx;
b = getBottom() + dy;
r = getRight() + dx;
t = getTop() + dy;
if (isLeft) {
if (l >= 0) {
l = 0;
r = l + getWidth();
}
} else {
if (r <= width + 50) {
r = width + 50;
l = r - getWidth();
}
}
if (t < 0) {
t = 0;
b = t + getHeight();
}
if (b > heights - 500) {
b = heights - 500;
t = b - getHeight();
}
layout(l, t, r, b);
lastX = (int) event.getRawX();
lastY = (int) event.getRawY();
postInvalidate();
break;
case MotionEvent.ACTION_UP: //放开手势
layout_ = false;
if (event.getAction() == MotionEvent.ACTION_UP) {
float x1 = event.getX();
if (x1 - scroX > 200) {
scrolIsLeft = false;
} else if (scroX - x1 > 200) {
scrolIsLeft = true;
}
if (scrolIsLeft) {
//左反弹
layout(-110, t, 200, b);
l_ok = -110;
t_ok = t;
r_ok = 200;
b_ok = b;
setBackgroundResource(R.drawable.runfast_float_bg);
setText("圈子");
setGravity(Gravity.CENTER | Gravity.RIGHT);
startInAnmin(1);
if (!isLeft) {
listens.TvChangeListener(0);
}
isLeft = true;
} else {
//右反弹
layout(width - 200, t, width + 160, b);
l_ok = width - 200;
t_ok = t;
r_ok = width + 160;
b_ok = b;
setBackgroundResource(R.drawable.runfast_float_bg_right);
setText(" 发现");
setGravity(Gravity.CENTER | Gravity.LEFT);
startInAnmin(2);
if (isLeft) {
listens.TvChangeListener(1);
}
isLeft = false;
}
}
break;
default:
break;
}
return true;
}
/**
* 执行动画
*
* @param i
*/
private void startInAnmin(int i) {
if (i == 1) {
down = new TranslateAnimation(0, -50, 0, 0);
} else if (i == 2) {
down = new TranslateAnimation(0, 50, 0, 0);
}
down.setFillAfter(true);
down.setInterpolator(new BounceInterpolator());
down.setDuration(700);
startAnimation(down);
}
public interface TVlisten {
/**
* 滑动至左或者右边的监听
*
* @param type 1 左边 2 左边
*/
void TvChangeListener(int type);
}
/**
* 设置监听 tvListener
*
* @param tvListener
*/
public void setTVListener(TVlisten tvListener) {
listens = tvListener;
}
}
2上代码：
public class ScrollRelayout extends RelativeLayout {
private float mPosX;
private float mPosY;
private float mCurPosX;
private float mCurPosY;
Context context;
public ScrollRelayout(Context context) {
super(context);
this.context = context;
}
public ScrollRelayout(Context context, AttributeSet attrs) {
super(context, attrs);
this.context = context;
}
public ScrollRelayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.context = context;
}
@Override
protected void dispatchDraw(Canvas canvas) {
super.dispatchDraw(canvas);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mPosX = event.getX();
mPosY = event.getY();
break;
case MotionEvent.ACTION_MOVE:
mCurPosX = event.getX();
mCurPosY = event.getY();
if (mCurPosY - mPosY > 0) { //向下
if (mCurPosY - mPosY < 855) {
scrollTo(0, -(int) (mCurPosY - mPosY));
} else {
scrollTo(0, -1600);
}
} else {
if (mCurPosY - mPosY > -855) {
scrollTo(0, -(int) (mCurPosY - mPosY));
} else {
scrollTo(0, 1600);
}
}
break;
case MotionEvent.ACTION_UP:
Log.e("=============", "mCurPosY" + mCurPosY);
Log.e("=============", "mPosY" + mPosY);
if (mCurPosY - mPosY > 0) { //向下
if (mCurPosY - mPosY < 855) {
PageAnmin();
scrollTo(0, 0);
} else {
scrollTo(0, -1600);
}
} else {
if (mCurPosY - mPosY > -855) {
PageAnmin();
scrollTo(0, 0);
} else {
scrollTo(0, 1600);
}
}
if (mCurPosY - mPosY > 0 && (Math.abs(mCurPosY - mPosY) > 855)) {
//向下滑動
Toast.makeText(context, "向下", Toast.LENGTH_SHORT).show();
} else if (mCurPosY - mPosY < 0 && (Math.abs(mCurPosY - mPosY) > 855)) {
//向上滑动
Toast.makeText(context, "向上", Toast.LENGTH_SHORT).show();
}
if (mCurPosX - mPosX > 0 && (Math.abs(mCurPosX - mPosX) > 25)) {
// 向左滑動
} else if (mCurPosX - mPosX < 0 && (Math.abs(mCurPosX - mPosX) > 25)) {
//向右滑动
}
break;
}
return true;
}
private void PageAnmin() {
//设定误差范围 误差之内认定单击动作 不执行动画
if (Math.abs(mCurPosY - mPosY) < 10) {
heartAnmin();
return;
}
ScaleAnimation sa = new ScaleAnimation(1f, 1f, 0.9f, 1f);
sa.setDuration(600);
sa.setInterpolator(new BounceInterpolator());
startAnimation(sa);
}
private void heartAnmin() {
final ImageView imageView = new ImageView(context);
LayoutParams params = new LayoutParams(250, 250);
params.leftMargin = (int) mPosX - 125;
params.topMargin = (int) mPosY - 125;
imageView.setImageDrawable(getResources().getDrawable(R.mipmap.hearted_main));
imageView.setLayoutParams(params);
addView(imageView);
ScaleAnimation sa = new ScaleAnimation(0.5f, 1f, 0.5f, 1f);
sa.setDuration(600);
sa.setInterpolator(new BounceInterpolator());
imageView.startAnimation(sa);
sa.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
removeView(imageView);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
}
