Android 带有手势的网格视图,并在项目上单击“侦听器”
我有一个类似日历的gridview,既有手势也有监听器。当用户从左向右滑动时,网格视图将在下个月显示。当用户从右向左滑动网格视图时,它将显示上个月。我对这些事件使用SimpleOnGestureListener。单击gridview的项目时,我希望显示当前项目的详细信息。问题是,当我只做其中一个事件(手势和听众)时,它们工作得很好。但当我同时执行这两项操作时,手势工作正常,并且McClickListener不会获得clicked视图,它总是获得单击项目行的第一个视图。请帮帮我。如果我的问题打扰了你,请道歉,并为我糟糕的英语道歉。谢谢 这是我用来检测手势的代码:Android 带有手势的网格视图,并在项目上单击“侦听器”,android,gridview,calendar,gesture,onitemclicklistener,Android,Gridview,Calendar,Gesture,Onitemclicklistener,我有一个类似日历的gridview,既有手势也有监听器。当用户从左向右滑动时,网格视图将在下个月显示。当用户从右向左滑动网格视图时,它将显示上个月。我对这些事件使用SimpleOnGestureListener。单击gridview的项目时,我希望显示当前项目的详细信息。问题是,当我只做其中一个事件(手势和听众)时,它们工作得很好。但当我同时执行这两项操作时,手势工作正常,并且McClickListener不会获得clicked视图,它总是获得单击项目行的第一个视图。请帮帮我。如果我的问题打扰了
public class GestureListener extends SimpleOnGestureListener {
private static final int SWIPE_THRESHOLD = 100;
private static final int SWIPE_VELOCITY_THRESHOLD = 200;
/*private static final int SWIPE_MIN_DISTANCE = 120;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;*/
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
boolean result = false;
try {
float diffY = e2.getY() - e1.getY();
float diffX = e2.getX() - e1.getX();
if (Math.abs(diffX) > Math.abs(diffY)) {
if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
if (diffX > 0) {
onSwipeRight();
} else {
onSwipeLeft();
}
}
} else {
if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
if (diffY > 0) {
onSwipeBottom();
} else {
onSwipeTop();
}
}
}
} catch (Exception exception) {
exception.printStackTrace();
}
return result;
}
@Override
public boolean onSingleTapUp(MotionEvent e) {
// TODO Auto-generated method stub
Log.i("single", "singletaps");
return super.onSingleTapUp(e);
}
}
public void onSingleTap(View v){
}
public void onSwipeRight() {
}
public void onSwipeLeft() {
}
public void onSwipeTop() {
}
public void onSwipeBottom() {
}
这是McClickListener的代码
gridview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v,
int position, long id) {
((CalendarAdapter) parent.getAdapter()).setSelected(v);
String selectedGridDate = CalendarAdapter.dayString
.get(position);
String[] separatedTime = selectedGridDate.split("-");
String gridvalueString = separatedTime[2].replaceFirst("^0*",
"");// taking last part of date. ie; 2 from 2012-12-02.
int gridvalue = Integer.parseInt(gridvalueString);
// navigate to next or previous month on clicking offdays.
if ((gridvalue > 10) && (position < 8)) {
setPreviousMonth();
refreshCalendar();
} else if ((gridvalue < 7) && (position > 28)) {
setNextMonth();
refreshCalendar();
}
((CalendarAdapter) parent.getAdapter()).setSelected(v);
}
});
gridview.setOnItemClickListener(新的OnItemClickListener(){
public void onItemClick(AdapterView父视图、视图v、,
内部位置,长id){
((CalendarAdapter)parent.getAdapter()).setSelected(v);
String selectedGridDate=CalendarAdapter.dayString
.获得(职位);
String[]separatedTime=selectedgridate.split(“-”);
String gridvalueString=separatedTime[2]。replaceFirst(“^0*”,
“”);//从2012年12月2日开始计算日期的最后一部分。
int gridvalue=Integer.parseInt(gridvalueString);
//单击offdays导航到下个月或上个月。
如果((网格值>10)和&(位置<8)){
setPreviousMonth();
刷新日历();
}否则如果((网格值<7)和(&(位置>28)){
setNextMonth();
刷新日历();
}
((CalendarAdapter)parent.getAdapter()).setSelected(v);
}
});
我也有同样的问题。在onDown中返回false方法帮助我:
@Override
public boolean onDown(MotionEvent e) {
return false;
}
我知道它的老问题,但我最近遇到了同样的问题,所以我会尽力回答 我发现很难使用手势类,所以我使用onTouch事件,如下所示:
this.mMonthYearContainer.setOnTouchListener(this);
然后实现事件方法
public boolean onTouch(View v, MotionEvent event) {
switch (v.getId()){
case R.id.activity_calendar_month_container: {
switch (event.getAction()){
case MotionEvent.ACTION_DOWN: {
this.mMonthYearContainer_GestureX1 = event.getX();
this.mMonthYearContainer_GestureY1 = event.getY();
} break;
case MotionEvent.ACTION_UP: {
this.mMonthYearContainer_GestureX2 = event.getX();
this.mMonthYearContainer_GestureY2 = event.getY();
float distanceX = this.mMonthYearContainer_GestureX2 - this.mMonthYearContainer_GestureX1;
float distanceY = this.mMonthYearContainer_GestureY2 - this.mMonthYearContainer_GestureY1;
if (Math.abs(distanceX) > Math.abs(distanceY) && Math.abs(distanceX) > 50) {
if (distanceX > 0) {
if (this.mSelectedMonth > 0) {
this.mSelectedMonth -= 1;
} else {
this.mSelectedMonth = 12;
this.mSelectedYear -= 1;
this.selectMonthAndYear(this.mSelectedMonth, this.mSelectedYear);
}
this.selectMonthAndYear(this.mSelectedMonth, this.mSelectedYear);
} else {
if (this.mSelectedMonth < 12) {
this.mSelectedMonth += 1;
} else {
this.mSelectedMonth = 1;
this.mSelectedYear += 1;
}
this.selectMonthAndYear(this.mSelectedMonth, this.mSelectedYear);
}
return true;
}
this.mMonthYearContainer_GestureX1 = 0;
this.mMonthYearContainer_GestureY1 = 0;
this.mMonthYearContainer_GestureX2 = 0;
this.mMonthYearContainer_GestureY2 = 0;
} break;
}
} break;
}
return true;
}
public boolean onTouch(视图v,运动事件){
开关(v.getId()){
案例R.id.活动\日历\月份\容器:{
开关(event.getAction()){
case MotionEvent.ACTION\u DOWN:{
this.mMonthYearContainer_GestureX1=event.getX();
this.mMonthYearContainer_gesture1=event.getY();
}中断;
case MotionEvent.ACTION\u UP:{
this.mMonthYearContainer_gesture2=event.getX();
this.mMonthYearContainer_GestureY2=event.getY();
浮动距离x=this.mmothyearContainer\u gesture2-this.mmothyearContainer\u gesture1;
浮动距离Y=this.mMonthYearContainer\u gesture2-this.mMonthYearContainer\u gesture1;
如果(数学abs(distanceX)>数学abs(distanceY)&数学abs(distanceX)>50){
如果(距离X>0){
如果(this.mSelectedMonth>0){
此.mSelectedMonth-=1;
}否则{
this.mSelectedMonth=12;
this.mSelectedYear-=1;
this.selectMonthAndYear(this.mSelectedMonth,this.mSelectedYear);
}
this.selectMonthAndYear(this.mSelectedMonth,this.mSelectedYear);
}否则{
如果(此.mSelectedMonth<12){
此.mSelectedMonth+=1;
}否则{
this.mSelectedMonth=1;
this.mSelectedYear+=1;
}
this.selectMonthAndYear(this.mSelectedMonth,this.mSelectedYear);
}
返回true;
}
此.mMonthYearContainer\u gesture1=0;
此.mMonthYearContainer\u gesture1=0;
此.mMonthYearContainer\u gesture2=0;
此.mMonthYearContainer\u gesture2=0;
}中断;
}
}中断;
}
返回true;
}
在本例中,我将侦听器放在另一个显示月份和年份的视图中,但您可能可以对calendarview本身实现相同的方法您是如何解决此问题的?您是如何解决此问题的?你把上面的代码放在哪里?我把它放在类GestureListener中,它扩展了SimpleOnGestureListener我也试过了。没用。我使用的是this:-我应该把它放在哪里?在添加了自己的部分之后。您是否向gridView等添加了其他内容?