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@@ -0,0 +1,139 @@
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+package com.cooleshow.base.widgets;
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+
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+import android.animation.ValueAnimator;
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+import android.content.Context;
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+import android.util.AttributeSet;
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+import android.util.Log;
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+import android.view.MotionEvent;
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+import android.view.View;
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+import android.widget.FrameLayout;
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+import android.widget.ImageView;
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+
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+import com.cooleshow.base.utils.SizeUtils;
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+
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+import androidx.annotation.NonNull;
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+import androidx.annotation.Nullable;
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+import androidx.appcompat.widget.AppCompatImageView;
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+
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+/**
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+ * Author by pq, Date on 2022/10/20.
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+ */
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+public class CustomDragView extends AppCompatImageView {
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+
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+
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+ private int hideSize = 0;
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+ private int lastX, lastY;
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+ private int mStartX, mStartY = 0;
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+ private boolean isMove = false;
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+
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+ public CustomDragView(Context context) {
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+ super(context);
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+ }
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+
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+ public CustomDragView(Context context, @Nullable AttributeSet attrs) {
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+ super(context, attrs);
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+ }
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+
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+ public CustomDragView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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+ super(context, attrs, defStyleAttr);
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+ }
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+
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+ @Override
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+ public boolean onTouchEvent(MotionEvent event) {
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+ Log.i("pq", "event action:" + event.getAction());
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+ int x = (int) event.getRawX();
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+ int y = (int) event.getRawY();
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+ switch (event.getAction()) {
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+ case MotionEvent.ACTION_DOWN:
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+ lastX = (int) event.getRawX();
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+ lastY = (int) event.getRawY();
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+ mStartX = x;
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+ mStartY = y;
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+ isMove = false;
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+ break;
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+ case MotionEvent.ACTION_MOVE:
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+ int moveX = (int) (event.getRawX() - lastX);
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+ int moveY = (int) (event.getRawY() - lastY);
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+
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+ int top = getTop();
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+ int left = getLeft();
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+ int right = getRight();
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+ int bottom = getBottom();
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+ //高度范围
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+ if (top < 0) {
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+ top = 0;
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+ bottom = getHeight();
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+ }
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+
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+ if (bottom >= screenHeight()) {
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+ top = screenHeight() - getHeight();
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+ bottom = screenHeight();
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+ }
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+
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+ //宽度范围
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+ if (left < -hideSize) {
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+ left = -hideSize;
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+ right = getWidth() - hideSize;
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+ }
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+ if (right > screenWidth() + hideSize) {
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+ left = screenWidth() - getWidth() + hideSize;
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+ right = screenWidth() + hideSize;
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+ }
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+ layout(left + moveX, top + moveY, right + moveX, bottom + moveY);
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+
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+ lastX = (int) event.getRawX();
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+ lastY = (int) event.getRawY();
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+
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+ float deltaX1 = x - mStartX;
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+ float deltaY1 = y - mStartY;
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+ Log.i("pq", "deltaX:" + deltaX1 + "--x:" + x + "--mStartX:" + mStartX);
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+ Log.i("pq", "deltaY:" + deltaY1 + "--y:" + y + "--mStartY:" + mStartY);
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+ if (Math.abs(deltaX1) <= 5 && Math.abs(deltaY1) <= 5) {
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+ isMove = false;
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+ } else {
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+ isMove = true;
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+ }
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+ break;
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+ case MotionEvent.ACTION_UP:
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+ if(isMove){
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+ int maxDuration = 500;
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+ int duration = 0;
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+ int leftLimit = (screenWidth() - getWidth()) / 2;
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+ if (getLeft() < leftLimit) {
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+ // layout(0,getTop(),getWidth(),getBottom());
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+ duration = maxDuration * (getLeft() + hideSize) / (leftLimit + hideSize);
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+ animSlide(this, getLeft(), -hideSize, duration);
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+ } else {
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+ duration = maxDuration * (screenWidth() - getRight() + hideSize) / (leftLimit + hideSize);
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+ animSlide(this, getLeft(), screenWidth() - getWidth() + hideSize, 500);
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+ // layout(screenWidth()-getWidth(),getTop(),screenWidth(),getBottom());
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+ }
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+ }
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+ break;
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+ }
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+ return isMove ? isMove : super.onTouchEvent(event);
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+ }
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+
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+
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+ public void animSlide(View view, int from, int to, int duration) {
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+ ValueAnimator valueAnimator = ValueAnimator.ofInt(from, to);
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+ valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
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+ @Override
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+ public void onAnimationUpdate(ValueAnimator animation) {
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+ int viewLeft = (int) animation.getAnimatedValue();
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+ layout(viewLeft, getTop(), viewLeft + view.getWidth(), getBottom());
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+ }
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+ });
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+ //为防止溢出边界时，duration时间为负值，做下0判断
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+ valueAnimator.setDuration(duration < 0 ? 0 : duration);
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+ valueAnimator.start();
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+ }
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+
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+ public int screenWidth() {
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+ return getContext().getResources().getDisplayMetrics().widthPixels;
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+ }
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+
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+ public int screenHeight() {
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+ return getContext().getResources().getDisplayMetrics().heightPixels - SizeUtils.dp2px(50);
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+ }
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+}
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