android listview cardview里面的onTouch监听器冲突/敏感度 [英] android listview inside cardview onTouch listener conflict / sensitivity
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问题描述
这是一个测试项目，其中显示了问题保管箱链接: https://www.dropbox.com/sh/8s3v9ydcj6jvpl8/AACZ2VRP2NL9R1 0
Here's a test project which shows the issue dropbox link: https://www.dropbox.com/sh/8s3v9ydcj6jvpl8/AACZ2VRP2N9R1ec7pxrsAn0ga?dl=0
这是我在此处提出的问题的继续，但已经回答了，但现在我要问的是onTouch的敏感性/冲突性: 内置CardView的Android CardView-CardView上的onTouchListener不起作用
This is a continuation of the question I had here which was answered but now I am asking about the sensitivity/conflict of onTouch: Android CardView with ListView inside - onTouchListener on CardView not working
我有一个卡片视图，里面有一个列表视图.我还需要列表视图中的滚动和单击项才能工作，并且我也希望能够使用ontouchlistener移动整个cardview. 我已经在cardview上设置了onTouchListener，但是由于listview滚动与cardview的动作发生冲突，因此无法正常工作.
I have a cardview with a listview inside. I will need the scroll and click item in list view to work too and I want to be able to move the entire cardview using the ontouchlistener too. I have set a onTouchListener on the cardview but it doesn't work properly as the listview scroll is conflicting with the cardview movement.
我已经能够获得类似的东西来完美地在iOS上工作，因此也应该在android上可行.
I have been able to get similar thing to work on iOS perfectly so should be doable on android too.
代码:
将其放入build.gradle:
Put this in build.gradle:
compile 'com.android.support:cardview-v7:22.0+'
MainActivity:
MainActivity:
import android.animation.Animator;
import android.graphics.PointF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.CardView;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewTreeObserver;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private ListView mylistview;
private CustomCardView mycardview;
PointF lastLocation;
static final int REFRESH_RATE = 10; //or 20, or 5, or 30, whatever works best
int counter = 0;
PointF viewCenter;
PointF cardOriginalLocation;
boolean checkIfPanning;
RelativeLayout layout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
layout = (RelativeLayout)findViewById(R.id.layout);
mycardview = (CustomCardView)findViewById(R.id.mycardview);
mylistview = (ListView) findViewById(R.id.myListView);
List<String> your_array_list = new ArrayList<String>();
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,your_array_list );
mylistview.setAdapter(arrayAdapter);
mycardview.setCardElevation(20);
mycardview.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mycardview.getViewTreeObserver().removeOnGlobalLayoutListener(this);
cardOriginalLocation = new PointF(mycardview.getX(), mycardview.getY());
viewCenter = new PointF(layout.getWidth() / 2, layout.getHeight() / 2);
}
});
View.OnTouchListener onTouchListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if(mylistview!=null){
//Route all touch event to listview without logic
System.out.println("AAAAAA Touched list");
mylistview.onTouchEvent(event);
}
if (event.getAction()==MotionEvent.ACTION_DOWN){
System.out.println("ACTION_DOWN");
checkIfPanning=true;
lastLocation = new PointF(event.getRawX(),event.getRawY());
return true;
} else if (checkIfPanning && event.getAction()==MotionEvent.ACTION_MOVE/* && (getFrontCard().getX() - (lastLocation.x - event.getRawX()))<=10*/){
System.out.println("ACTION_MOVE");
counter += 1;
if((REFRESH_RATE % counter) == 0) {
float newx = mycardview.getX() - (lastLocation.x - event.getRawX());
float newy = mycardview.getY() - (lastLocation.y - event.getRawY());
mycardview.setX(newx);
mycardview.setY(newy);
lastLocation.set(event.getRawX(), event.getRawY());
float completedPercent = Math.min(((mycardview.getX() + mycardview.getWidth() / 2) - viewCenter.x) / viewCenter.x, 1);
float angle = (completedPercent*15);
mycardview.setRotation(angle);
}
counter=0;
return true;
} else if (event.getAction()==MotionEvent.ACTION_UP){
System.out.println("ACTION_UP");
checkIfPanning=false;
float displaceentFromCenterX = ((mycardview.getX()+mycardview.getWidth()/2) - viewCenter.x);
if (Math.abs(displaceentFromCenterX)>225){
float toMove;
if (displaceentFromCenterX>0){
toMove = layout.getWidth()+mycardview.getHeight();
} else {
toMove = -mycardview.getWidth()-mycardview.getHeight();
}
mycardview.animate().rotationBy(30).translationX(toMove).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
System.out.println("onAnimationStart");
}
@Override
public void onAnimationEnd(Animator animation) {
animation.removeListener(this);
System.out.println("DONNNNNE");
mycardview.setX(cardOriginalLocation.x);
mycardview.setY(cardOriginalLocation.y);
mycardview.setRotation(0);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
} else {
mycardview.animate().rotation(0).translationX(0).translationY(0).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
}
return true;
} else {
checkIfPanning=false;
if(mylistview!=null){
//Route all touch event to listview without logic
System.out.println("BBBBB Touched list");
mylistview.onTouchEvent(event);
return true;
}
}
return true;
}
};
mycardview.setOnTouchListener(onTouchListener);
}
}
cardview onTouch侦听器和listview都立即检测到触摸.但是，当我尝试移动cardview时，listview一直试图滚动.当我尝试在列表上滚动时，卡片移动了.
Both the cardview onTouch listener and the listview do detect the touch now. However, when I try to move the cardview, the listview keeps trying to scroll around. And when I try to scroll on the list, the card moves intead.
我了解为什么会这样.基本上，onTouch侦听器似乎使cardview的移动与listview滚动发生冲突，但是我不确定如何在代码中确定我是要滚动还是移动cardview.
I understand why this is happening. Basically the onTouch listener seems to be conflicting the cardview movement with listview scroll but I am not sure how to figure out in code on whether I am trying to scroll or move the cardview around.
MainActivity的XML:
XML for MainActivity:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.pranapps.testontouch.MainActivity"
android:id="@+id/layout"
>
<com.pranapps.testontouch.CustomCardView
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:layout_gravity="center"
android:layout_width="match_parent"
android:layout_height="200dp"
android:id="@+id/mycardview"
card_view:cardUseCompatPadding="true">
<ListView
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:id="@+id/myListView"
android:dividerHeight="0.2dp"
android:overScrollMode="always"
android:smoothScrollbar="true"
android:groupIndicator="@null"
></ListView>
</com.pranapps.testontouch.CustomCardView>
</RelativeLayout>
CustomCardView代码:
CustomCardView code:
package com.pranapps.testontouch;
import android.content.Context;
import android.support.v7.widget.CardView;
import android.util.AttributeSet;
import android.view.MotionEvent;
/**
* Created by pranoychowdhury on 5/9/16.
*/
public class CustomCardView extends CardView {
public CustomCardView(Context context) {
super(context);
}
public CustomCardView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomCardView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
/*
* This method determines whether we want to intercept the motion.
* If we return true, onTouchEvent will be called.
*/
System.out.println("Touched custom from card");
return true;
}
}
请提供建议以尝试尝试！ 谢谢！
Please help with suggestions to try! Thanks!
编辑:以下是有关它如何在iOS上运行的视频.我可以在列表视图上滚动.向左或向右平移可使卡移动. https://www.dropbox.com/s/5dm52vtjb1xgcl5/iOS. mov?dl = 0
here's a video of how it works on iOS. I can scroll on the listview. Panning left or right makes the card move. https://www.dropbox.com/s/5dm52vtjb1xgcl5/iOS.mov?dl=0
cardview不会滚动，只有cardview内的内容(即listview)会滚动.卡片视图只能通过跟踪手指来移动.想象一下可在卡片上刷卡的火种，在其中可以滚动.
The cardview won't be scrolling, only the content inside the cardview (which is the listview) will scroll. The cardview can only move around by tracking the fingers. Imagine tinder where cards can be swipped and within the card, you can scroll.
推荐答案
经过2周的实验，我自己解决了这个问题.
I was able to solve this myself after 2 weeks of experimenting.
我从cardview中删除了onInterceptTouchEvent和ontouch.而是创建一个自定义OnTouchListener并将其附加到列表视图本身.然后在自定义的OnTouchListener中，尝试找出触摸的角度.如果角度在特定范围内，则向上或向下滚动.其他明智的向左/向右滑动.我仍在尝试调整角度，以找出哪一个对可用性而言是最好的，但这似乎工作得很好.
I removed the onInterceptTouchEvent and ontouch from the cardview. Instead, create a custom OnTouchListener and attach it to the listview itself. Then in the custom OnTouchListener, try to figure out the angle at which the touch is going. if angle within a specific range, then up or down scroll. other wise left/right swipe. The angle I am still trying to calibrate to figure out which one is the best for usability wise but this seems to work decently fine.
此链接为计算角度提供了一些帮助: 如何检测左右方向之间的滑动方向上/下
I got a bit of help from this link for calculating angles: How to detect swipe direction between left/right and up/down
解决方案:
MainActivity:
package com.pranapps.testontouch;
import android.animation.Animator;
import android.graphics.PointF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.CardView;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewTreeObserver;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private ListView mylistview;
private CustomCardView mycardview;
PointF lastLocation;
static final int REFRESH_RATE = 10; //or 20, or 5, or 30, whatever works best
int counter = 0;
PointF viewCenter;
PointF cardOriginalLocation;
boolean checkIfPanning;
RelativeLayout layout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
layout = (RelativeLayout)findViewById(R.id.layout);
mycardview = (CustomCardView)findViewById(R.id.mycardview);
mylistview = (ListView) findViewById(R.id.myListView);
List<String> your_array_list = new ArrayList<String>();
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
your_array_list.add("foo");
your_array_list.add("bar");
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,your_array_list );
mylistview.setAdapter(arrayAdapter);
mycardview.setCardElevation(20);
mycardview.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mycardview.getViewTreeObserver().removeOnGlobalLayoutListener(this);
cardOriginalLocation = new PointF(mycardview.getX(), mycardview.getY());
viewCenter = new PointF(layout.getWidth() / 2, layout.getHeight() / 2);
}
});
mylistview.setOnTouchListener(new OnSwipeTouchListener(){
@Override
public void onSwipeStart(MotionEvent motionEvent) {
super.onSwipeStart(motionEvent);
System.out.println("Swipe Start");
checkIfPanning=true;
//if (lastLocation==null) {
lastLocation = new PointF(motionEvent.getRawX(),motionEvent.getRawY());
//}
}
@Override
public void onSwipeEnd(MotionEvent motionEvent) {
super.onSwipeEnd(motionEvent);
System.out.println("Swipe End");
checkIfPanning=false;
float displaceentFromCenterX = ((mycardview.getX()+mycardview.getWidth()/2) - viewCenter.x);
if (Math.abs(displaceentFromCenterX)>225){
float toMove;
if (displaceentFromCenterX>0){
toMove = layout.getWidth()+mycardview.getHeight();
} else {
toMove = -mycardview.getWidth()-mycardview.getHeight();
}
mycardview.animate().rotationBy(30).translationX(toMove).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
System.out.println("onAnimationStart");
}
@Override
public void onAnimationEnd(Animator animation) {
animation.removeListener(this);
System.out.println("DONNNNNE");
mycardview.setX(cardOriginalLocation.x);
mycardview.setY(cardOriginalLocation.y);
mycardview.setRotation(0);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
} else {
mycardview.animate().rotation(0).translationX(0).translationY(0).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
}
lastLocation = null;
}
@Override
public void onSwipe(MotionEvent motionEvent) {
super.onSwipe(motionEvent);
System.out.println("Swiping");
counter += 1;
if((REFRESH_RATE % counter) == 0) {
float newx = mycardview.getX() - (lastLocation.x - motionEvent.getRawX());
float newy = mycardview.getY() - (lastLocation.y - motionEvent.getRawY());
mycardview.setX(newx);
mycardview.setY(newy);
lastLocation.set(motionEvent.getRawX(), motionEvent.getRawY());
float completedPercent = Math.min(((mycardview.getX() + mycardview.getWidth() / 2) - viewCenter.x) / viewCenter.x, 1);
float angle = (completedPercent*15);
mycardview.setRotation(angle);
}
counter=0;
}
@Override
public void onScroll(MotionEvent motionEvent) {
super.onSwipe(motionEvent);
mylistview.onTouchEvent(motionEvent);
}
});
View.OnTouchListener onTouchListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
System.out.println("ONTOUCHHHH");
if (event.getAction()==MotionEvent.ACTION_DOWN){
System.out.println("ACTION_DOWN");
checkIfPanning=true;
lastLocation = new PointF(event.getRawX(),event.getRawY());
return true;
} else if (checkIfPanning && event.getAction()==MotionEvent.ACTION_MOVE){
System.out.println("ACTION_MOVE");
counter += 1;
if((REFRESH_RATE % counter) == 0) {
float newx = mycardview.getX() - (lastLocation.x - event.getRawX());
float newy = mycardview.getY() - (lastLocation.y - event.getRawY());
mycardview.setX(newx);
mycardview.setY(newy);
lastLocation.set(event.getRawX(), event.getRawY());
float completedPercent = Math.min(((mycardview.getX() + mycardview.getWidth() / 2) - viewCenter.x) / viewCenter.x, 1);
float angle = (completedPercent*15);
mycardview.setRotation(angle);
}
counter=0;
return true;
} else if (event.getAction()==MotionEvent.ACTION_UP){
System.out.println("ACTION_UP");
checkIfPanning=false;
float displaceentFromCenterX = ((mycardview.getX()+mycardview.getWidth()/2) - viewCenter.x);
if (Math.abs(displaceentFromCenterX)>225){
float toMove;
if (displaceentFromCenterX>0){
toMove = layout.getWidth()+mycardview.getHeight();
} else {
toMove = -mycardview.getWidth()-mycardview.getHeight();
}
mycardview.animate().rotationBy(30).translationX(toMove).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
System.out.println("onAnimationStart");
}
@Override
public void onAnimationEnd(Animator animation) {
animation.removeListener(this);
System.out.println("DONNNNNE");
mycardview.setX(cardOriginalLocation.x);
mycardview.setY(cardOriginalLocation.y);
mycardview.setRotation(0);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
} else {
mycardview.animate().rotation(0).translationX(0).translationY(0).setDuration(100).setListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
}
return true;
}
return true;
}
};
mycardview.setOnTouchListener(onTouchListener);
}
}
OnSwipeTouchListener:
package com.pranapps.testontouch;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.View.OnTouchListener;
public class OnSwipeTouchListener implements OnTouchListener{
boolean checkIfStartedTouch;
boolean checkIfSwiping;
boolean checkIfScrolling;
private final GestureDetector gestureDetector = new GestureDetector(new GestureListener());
private MotionEvent currentEvent;
@Override
public boolean onTouch(View v, MotionEvent event) {
currentEvent = event;
if (event.getAction()==MotionEvent.ACTION_DOWN){
checkIfStartedTouch = true;
} else if (event.getAction()==MotionEvent.ACTION_UP){
if (checkIfSwiping){
onSwipeEnd(event);
}
checkIfStartedTouch = false;
checkIfScrolling = false;
checkIfSwiping = false;
} else {
if (checkIfSwiping){
//System.out.println("swipe2");
onSwipe(event);
return false;
} if (checkIfScrolling){
//System.out.println("scroll2");
onScroll(event);
return false;
}
}
return gestureDetector.onTouchEvent(event);
}
public void onSwipe(MotionEvent motionEvent) {}
public void onScroll(MotionEvent motionEvent) {}
public void onSwipeEnd(MotionEvent motionEvent) {}
public void onSwipeStart(MotionEvent motionEvent) {}
public enum Direction {
up,
down,
left,
right;
/**
* Returns a direction given an angle.
* Directions are defined as follows:
* <p/>
* 0 is on right side middle (east direction)
* angle is anticlockwise, 90 is at north pole
*
* @param angle an angle from 0 to 360 - e
* @return the direction of an angle
*/
public static Direction get(double angle) {
System.out.println("Angle: "+angle);
if (inRange(angle, 50, 130)) {
System.out.println("UPPPPPPPPPP");
return Direction.up;
} else if (inRange(angle, 0, 50) || inRange(angle, 310, 360)) {
System.out.println("RIGHT");
return Direction.right;
} else if (inRange(angle, 240, 310)) {
System.out.println("DOWN");
return Direction.down;
} else {
System.out.println("LEFTT");
return Direction.left;
}
}//i think I have finally figured out an android coding UI problem after 3 weeks. xml files might work for web development but designing decent UIs on a dedicated device using xml files is a nightmare. The fragmentation of device different resolutions makes things even harder.
/**
* @param angle an angle
* @param init the initial bound
* @param end the final bound
* @return returns true if the given angle is in the interval [init, end).
*/
private static boolean inRange(double angle, float init, float end) {
return (angle >= init) && (angle < end);
}
}
private final class GestureListener extends SimpleOnGestureListener {
@Override
public boolean onDown(MotionEvent e) {
return true;
}
/*@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
System.out.println("flingggg");
float x1 = e1.getX();
float y1 = e1.getY();
float x2 = e2.getX();
float y2 = e2.getY();
Direction direction = getDirection(x1, y1, x2, y2);
return onSwipe(direction);
}*/
@Override
public boolean onScroll(MotionEvent e1,
MotionEvent e2,
float distanceX,
float distanceY) {
// Grab two events located on the plane at e1=(x1, y1) and e2=(x2, y2)
// Let e1 be the initial event
// e2 can be located at 4 different positions, consider the following diagram
// (Assume that lines are separated by 90 degrees.)
//
//
// \ A /
// \ /
// D e1 B
// / \
// / C \
//
// So if (x2,y2) falls in region:
// A => it's an UP swipe
// B => it's a RIGHT swipe
// C => it's a DOWN swipe
// D => it's a LEFT swipe
//
System.out.println("onscrollllll");
float x1 = e1.getX();
float y1 = e1.getY();
float x2 = e2.getX();
float y2 = e2.getY();
Direction direction = getDirection(x1, y1, x2, y2);
return onSwipe(direction);
}
public boolean onSwipe(Direction direction) {
if (direction == Direction.left || direction == Direction.right) {
System.out.println("swipe");
if (!checkIfSwiping) {
checkIfSwiping = true;
onSwipeStart(currentEvent);
}
return false;
}
else {
System.out.println("scroll");
checkIfScrolling=true;
return true;
}
}
/**
* Given two points in the plane p1=(x1, x2) and p2=(y1, y1), this method
* returns the direction that an arrow pointing from p1 to p2 would have.
*
* @param x1 the x position of the first point
* @param y1 the y position of the first point
* @param x2 the x position of the second point
* @param y2 the y position of the second point
* @return the direction
*/
public Direction getDirection(float x1, float y1, float x2, float y2) {
double angle = getAngle(x1, y1, x2, y2);
return Direction.get(angle);
}
/**
* Finds the angle between two points in the plane (x1,y1) and (x2, y2)
* The angle is measured with 0/360 being the X-axis to the right, angles
* increase counter clockwise.
*
* @param x1 the x position of the first point
* @param y1 the y position of the first point
* @param x2 the x position of the second point
* @param y2 the y position of the second point
* @return the angle between two points
*/
public double getAngle(float x1, float y1, float x2, float y2) {
double rad = Math.atan2(y1 - y2, x2 - x1) + Math.PI;
return (rad * 180 / Math.PI + 180) % 360;
}
}
}
CustomCardView:
package com.pranapps.testontouch;
import android.content.Context;
import android.support.v7.widget.CardView;
import android.util.AttributeSet;
import android.view.MotionEvent;
/**
* Created by pranoychowdhury on 5/9/16.
*/
public class CustomCardView extends CardView {
public CustomCardView(Context context) {
super(context);
}
public CustomCardView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CustomCardView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
//System.out.println("Touched custom from card");
return false;
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.pranapps.testontouch.MainActivity"
android:id="@+id/layout"
>
<com.pranapps.testontouch.CustomCardView
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:layout_gravity="center"
android:layout_width="match_parent"
android:layout_height="200dp"
android:id="@+id/mycardview"
card_view:cardUseCompatPadding="true">
<ListView
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:id="@+id/myListView"
android:dividerHeight="0.2dp"
android:overScrollMode="always"
android:smoothScrollbar="true"
android:groupIndicator="@null"
></ListView>
</com.pranapps.testontouch.CustomCardView>
</RelativeLayout>
这篇关于android listview cardview里面的onTouch监听器冲突/敏感度的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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