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event.phase not ends after stop press
Started by pabloapdz Sep 05 2018 10:08 AM

8 replies to this topic
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#1

pabloapdz

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Hi .

 

I had been experiencing a bug before but I ended up giving up trying to fix it after every day checking.

 

Only he came to haunt me again, and this time I definitely need to sort this out because I need this function ..

 

So the problem is this:

 

I needed to press a button and this button presents me with an image on the screen, but after removing my finger from the touch, not always the function understands that I stopped pressing, and sometimes it simply goes into a loop and continues to eternally present the image on the screen as if I was pressing.

 

I checked the function and found that sometimes it does not pass through the stage (event.phase == "ended" or event.phase == "canceled").

 

Can anyone explain me what I did wrong in this function?

    local function Zerar( event )
        TapOuTouch = 0.01
    end

    function TouchBotoes(event)
        Runtime:removeEventListener("enterFrame", Zerar)
        NomePressionado = event.target.name
        if (event.phase == "began" ) then
            function TempoPressionado( event )
                TapOuTouch = TapOuTouch + 0.01
                if ModeloNaTela == false then
                    if (TapOuTouch > 0.4) then
                        if AmostraCaminhao == nil then
                            ModeloNaTela = true
                            -- img
                        end
                    end
                end
            end
            Runtime:addEventListener("enterFrame", TempoPressionado)
        end
        if ( event.phase == "moved" ) then
        	-- nothing
        end
        if ( event.phase == "ended" or event.phase == "cancelled"  ) then
            Runtime:removeEventListener("enterFrame", TempoPressionado)
            if (TapOuTouch < 0.4) then
                -- code
                botaoPressionado()
            else
                -- remove img
            end
            Runtime:addEventListener("enterFrame", Zerar)
            
        end
        return true
    end


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#2

Rob Miracle

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There are a couple of suggestions I would make. First, I'm not fond of nested functions, in particular when you have to make them global for visibility elsewhere. I don't see any reason why this function:

            function TempoPressionado( event )
                TapOuTouch = TapOuTouch + 0.01
                if ModeloNaTela == false then
                    if (TapOuTouch > 0.4) then
                        if AmostraCaminhao == nil then
                            ModeloNaTela = true
                            -- img
                        end
                    end
                end
            end

Can't be moved outside of your touch handler and made local. 

 

Next, you really should be putting a print statement at the top of your touch handler that prints out the event table or at a minimum event.phase so you can see what event's you're getting.

 

You also don't show us your image creation code. Are you adding a touch listener to your popup image? Could it be stealing the touch?

 

Rob



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#3

roaminggamer

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That listener has a some issues.

 

1. It isn't really designed for use with a specific object.

2. It isn't taking focus so it won't receive all events.

 

This is better:


local function isInBounds( obj, obj2 )
	if(not obj2) then return false end
	local bounds = obj2.contentBounds
	if( obj.x > bounds.xMax ) then return false end
	if( obj.x < bounds.xMin ) then return false end
	if( obj.y > bounds.yMax ) then return false end
	if( obj.y < bounds.yMin ) then return false end
	return true
end

local function touch( self, event )
   local phase = event.phase
   local id    = event.id
   local inBounds = isInBounds( event, self )
   
   if( phase == "began" ) then
      self.isFocus = true
      display.currentStage:setFocus( self, id )

   elseif( self.isFocus ) then
      if( phase == "ended" or phase == "cancelled" ) then
         self.isFocus = false
         display.currentStage:setFocus( self, nil )

         -- The touch effectively ended do whatever you want for ended here.

         if( inBounds ) then
            -- You may want to restrict actions to only work if the finger 
            -- is ON the button when lifted.
            -- Do that here...
         end
      else
      	-- This is a move do whatever you want for moves here.
      end
      if( params.listener ) then
         return params.listener( self, event ) or fnn(params.retval,false)
      end
   end
   return true
end

Later you'd use the listener like this:

local obj = display.new...( ... ) -- make an object; how doesn't matter


obj.touch = touch

obj:addEventListener("touch") 

This object will received all events associated with its touch till the object is destroyed or the touch ends, which ever comes first.


Edited by roaminggamer, 05 September 2018 - 11:36 AM.


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#4

roaminggamer

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Also note.  I would not use an enterFrame listener as some kind of way to make the button look like it is pressed.  That will result in all kinds of terrible problems for you.

 

Simply change the visual attributes you want in began and reset them to the default values in ended.

 

Additionally,  you can use my 'inBounds' code to switch back and forth when the finger is moved off and then back on to the image.

 

In this example the code has been modified to highlight the display object as 'red' when pressed.

local function touch( self, event )
   local phase = event.phase
   local id    = event.id
   local inBounds = isInBounds( event, self )
   
   if( phase == "began" ) then
      self.isFocus = true
      display.currentStage:setFocus( self, id )

      obj:setFillColor(1,0,0)

   elseif( self.isFocus ) then
      if( inBounds ) then
         obj:setFillColor(1,0,0)
      else
         obj:setFillColor(1,1,1)
      end

      if( phase == "ended" or phase == "cancelled" ) then
         self.isFocus = false
         display.currentStage:setFocus( self, nil )

         obj:setFillColor(1,1,1)

         -- The touch effectively ended do whatever you want for ended here.

         if( inBounds ) then
            -- You may want to restrict actions to only work if the finger 
            -- is ON the button when lifted.
            -- Do that here...
         end
      else
      	-- This is a move do whatever you want for moves here.
      end
      if( params.listener ) then
         return params.listener( self, event ) or fnn(params.retval,false)
      end
   end
   return true
end


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#5

roaminggamer

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Final note.  I just saw Rob's post and he is right on everything he said, and I too worry you may have another listener somewhere else that is stealing the focus.  If it does, my listener won't help because you are overriding focus.



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#6

pabloapdz

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It's relatively impossible for me to apply all these changes.

 

Why?

 

Because he did not bother working with just one image. My check if the button was pressed is a vector with a maximum of 35 objects.

 

Each object has its check, and each object calls a different image. (I did not actually post the whole code because of the confusion you were going to make upon seeing it)

 

For example @roaming, I started messing up your code, however you deduced that it was just an object, so in your first function you use everything as "obj.xe obj.y" but I have no idea what the object is, you see? I can not put random values ​​..



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#7

pabloapdz

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I need to differentiate the TAP from the TOUCH, and if it is just a TAP it performs a function that is just add 1 to the counter and if it is TOUCH it shows the image on the screen, if the TOUCH stops being presonized then the image on the screen disappears.

 

"tidying up" your code would have something like:

-- That is impossible, not exsit only one object, the object of tap/touch, is the botoes{} (a random value, min 1 max 35)
local function isInBounds( obj, obj2 )
	if(not obj2) then return false end
	local bounds = obj2.contentBounds
	if( obj.x > bounds.xMax ) then return false end
	if( obj.x < bounds.xMin ) then return false end
	if( obj.y > bounds.yMax ) then return false end
	if( obj.y < bounds.yMin ) then return false end
	return true
end

local function TouchBotoes( self, event )
   local phase = event.phase
   NomePressionado = event.target.name
   local id    = event.id
   local inBounds = isInBounds( event, self )
   
   if( phase == "began" ) then
      self.isFocus = true
      display.currentStage:setFocus( self, id )
       AmostraCaminhao = display.newImageRect("imagens/Caminhao".. NomePressionado .. ".png", bottomMarg/2, rightMarg/2)
       AmostraCaminhao.x = display.contentCenterX
       AmostraCaminhao.y = display.contentCenterY
       AmostraCaminhao:rotate( 90 )
       AmostraCaminhao.alpha = 0.5
       transition.to( AmostraCaminhao, { time=350, alpha=1.0 } )
       transition.to( bg, { time=250, alpha=0.5 } )
       for i=1,#Categorias do
           transition.to( botoes[i], { time=250, alpha=0.5 } )
       end
   elseif( self.isFocus ) then
      if( phase == "ended" or phase == "cancelled" ) then
         self.isFocus = false
         display.currentStage:setFocus( self, nil )

         -- The touch effectively ended do whatever you want for ended here.
         if( inBounds ) then
            -- You may want to restrict actions to only work if the finger 
            -- is ON the button when lifted.
            -- Do that here...
         end
      else
      	-- This is a move do whatever you want for moves here.
      end
      if( params.listener ) then
         return params.listener( self, event ) or fnn(params.retval,false)
      end
   end
   return true
end


 for i=1,QuantidadeCategorias do
     if i==1 then
         QuantidadeRepetidas = 1
         botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
         botoes[i].x = display.contentCenterX/0.61
         botoes[i].y = display.contentCenterY
         botoes[i]:rotate( 90 )
     elseif i > 1 and i < 8 then
         if (i%2) == 0 then -- Quando o numero é par
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
             botoes[i]:rotate( 90 )
         else -- Quando o número é impar
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
             botoes[i]:rotate( 90 )
         end
         QuantidadeRepetidas = QuantidadeRepetidas + 1
     end
     if i == 8 then
         QuantidadeRepetidas = 1
         botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
         botoes[i].x = display.contentCenterX/0.61 - 35
         botoes[i].y = display.contentCenterY
         botoes[i]:rotate( 90 )
     end
     if i > 8 and i < 15 then
         if (i%2) == 0 then -- Quando o numero é par
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             print(i .. " " .. QuantidadeRepetidas)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
             botoes[i]:rotate( 90 )
         else -- Quando o número é impar
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
             botoes[i]:rotate( 90 )
         end
         QuantidadeRepetidas = QuantidadeRepetidas + 1
     end
     if i == 15 then
         QuantidadeRepetidas = 1
         botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
         botoes[i].x = display.contentCenterX/0.61 - 35 - 35
         botoes[i].y = display.contentCenterY
         botoes[i]:rotate( 90 )
     end
     if i > 15 and i < 22 then
         if (i%2) == 0 then -- Quando o numero é par
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             print(i .. " " .. QuantidadeRepetidas)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
             botoes[i]:rotate( 90 )
         else -- Quando o número é impar
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
             botoes[i]:rotate( 90 )
         end
         QuantidadeRepetidas = QuantidadeRepetidas + 1
     end
     if i == 22 then
         QuantidadeRepetidas = 1
         botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
         botoes[i].x = display.contentCenterX/0.61 - 35 - 35 - 35
         botoes[i].y = display.contentCenterY
         botoes[i]:rotate( 90 )
     end
     if i > 22 and i < 29 then
         if (i%2) == 0 then -- Quando o numero é par
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             print(i .. " " .. QuantidadeRepetidas)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
             botoes[i]:rotate( 90 )
         else -- Quando o número é impar
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
             botoes[i]:rotate( 90 )
         end
         QuantidadeRepetidas = QuantidadeRepetidas + 1
     end
     if i == 29 then
         QuantidadeRepetidas = 1
         botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
         botoes[i].x = display.contentCenterX/0.61 - 35 - 35 - 35 - 35
         botoes[i].y = display.contentCenterY
         botoes[i]:rotate( 90 )
     end
     if i > 29 and i < 36 then
         if (i%2) == 0 then -- Quando o numero é par
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             print(i .. " " .. QuantidadeRepetidas)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
             botoes[i]:rotate( 90 )
         else -- Quando o número é impar
             botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
             botoes[i].x = botoes[i-QuantidadeRepetidas].x
             botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
             botoes[i]:rotate( 90 )
         end
         QuantidadeRepetidas = QuantidadeRepetidas + 1
     end
     -- Parametro de correção
     if QuantidadeRepetidas > 2 then
         QuantidadeRepetidas = 2
     end
     botoes[i].name = Categorias[i]
     botoes[i]:addEventListener("touch", TouchBotoes)
     group:insert( botoes[i] )
 end


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#8

pabloapdz

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In response to @ROB, there was this confusion of functions precisely so as not to have thousands of functions scattered throughout the code.

 

Here is the original code for you to understand how boring this is:

 

PS: " NomePressionado = event.target.name " refers to the botoes[i].name

    function TouchBotoes(event)
    	TouchCancelX = event.x
    	TouchCancelY = event.y
        Runtime:removeEventListener("enterFrame", Zerar)
        NomePressionado = event.target.name
        if (event.phase == "began" ) then
            function TempoPressionado( event )
                TapOuTouch = TapOuTouch + 0.01
                --print(TapOuTouch)
                if ModeloNaTela == false then
                    if (TapOuTouch > 0.4) then
                        if AmostraCaminhao == nil then
                            ModeloNaTela = true
                            AmostraCaminhao = display.newImageRect("imagens/Caminhao".. NomePressionado .. ".png", bottomMarg/2, rightMarg/2)
                            AmostraCaminhao.x = display.contentCenterX
                            AmostraCaminhao.y = display.contentCenterY
                            AmostraCaminhao:rotate( 90 )
                            AmostraCaminhao.alpha = 0.5
                            transition.to( AmostraCaminhao, { time=350, alpha=1.0 } )
                            transition.to( bg, { time=250, alpha=0.5 } )
                            for i=1,#Categorias do
                                transition.to( botoes[i], { time=250, alpha=0.5 } )
                            end
                        end
                    end
                end
            end
            Runtime:addEventListener("enterFrame", TempoPressionado)
        end
        if ( event.phase == "moved" ) then
        	if event.x > TouchCancelX + 10 or event.y > TouchCancelY + 10 then
	            Runtime:addEventListener("enterFrame", Zerar)
	            Runtime:removeEventListener("enterFrame", TempoPressionado)
	            if (TapOuTouch > 0.4) then
	                local function listener1( obj )
	                    display.remove(AmostraCaminhao)
	                    AmostraCaminhao = nil
	                    ModeloNaTela = false
	                    TapOuTouch = 0.01
	                end
	                transition.to( AmostraCaminhao, { time=350, alpha=0, onComplete = listener1 } )
	                transition.to( bg, { time=350, alpha=1.0 } )
	                for i=1,#Categorias do
	                    transition.to( botoes[i], { time=350, alpha=1.0 } )
	                end
	            end
	        end
        end
        if ( event.phase == "ended" or event.phase == "cancelled"  ) then
            Runtime:removeEventListener("enterFrame", TempoPressionado)
            if (TapOuTouch < 0.4) then
                local NomeBotao = event.target
                function ReAparecer(event)
                    transition.to( NomeBotao, { time=100, alpha=1.0 } )
                end
                transition.to(NomeBotao, { time=100, alpha=0, onComplete=ReAparecer } )
                print("tap")
                print(event.target.name)
                botaoPressionado()
            else
                local function listener3( event )
                    display.remove(AmostraCaminhao)
                    AmostraCaminhao = nil
                    ModeloNaTela = false
                    TapOuTouch = 0.01
                    print("excluido")
                end
                transition.to( AmostraCaminhao, { time=350, alpha=0, onComplete = listener3 } )
                transition.to( bg, { time=350, alpha=1.0 } )
                for i=1,#Categorias do
                    transition.to( botoes[i], { time=350, alpha=1.0 } )
                end
            end
            Runtime:addEventListener("enterFrame", Zerar)
            
        end
        return true
    end


    --- Disponibilizar as imagens dos botões na tela
    for i=1,QuantidadeCategorias do
        if i==1 then
            QuantidadeRepetidas = 1
            botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
            botoes[i].x = display.contentCenterX/0.61
            botoes[i].y = display.contentCenterY
            botoes[i]:rotate( 90 )
        elseif i > 1 and i < 8 then
            if (i%2) == 0 then -- Quando o numero é par
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
                botoes[i]:rotate( 90 )
            else -- Quando o número é impar
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
                botoes[i]:rotate( 90 )
            end
            QuantidadeRepetidas = QuantidadeRepetidas + 1
        end
        if i == 8 then
            QuantidadeRepetidas = 1
            botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
            botoes[i].x = display.contentCenterX/0.61 - 35
            botoes[i].y = display.contentCenterY
            botoes[i]:rotate( 90 )
        end
        if i > 8 and i < 15 then
            if (i%2) == 0 then -- Quando o numero é par
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                print(i .. " " .. QuantidadeRepetidas)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
                botoes[i]:rotate( 90 )
            else -- Quando o número é impar
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
                botoes[i]:rotate( 90 )
            end
            QuantidadeRepetidas = QuantidadeRepetidas + 1
        end
        if i == 15 then
            QuantidadeRepetidas = 1
            botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
            botoes[i].x = display.contentCenterX/0.61 - 35 - 35
            botoes[i].y = display.contentCenterY
            botoes[i]:rotate( 90 )
        end
        if i > 15 and i < 22 then
            if (i%2) == 0 then -- Quando o numero é par
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                print(i .. " " .. QuantidadeRepetidas)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
                botoes[i]:rotate( 90 )
            else -- Quando o número é impar
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
                botoes[i]:rotate( 90 )
            end
            QuantidadeRepetidas = QuantidadeRepetidas + 1
        end
        if i == 22 then
            QuantidadeRepetidas = 1
            botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
            botoes[i].x = display.contentCenterX/0.61 - 35 - 35 - 35
            botoes[i].y = display.contentCenterY
            botoes[i]:rotate( 90 )
        end
        if i > 22 and i < 29 then
            if (i%2) == 0 then -- Quando o numero é par
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                print(i .. " " .. QuantidadeRepetidas)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
                botoes[i]:rotate( 90 )
            else -- Quando o número é impar
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
                botoes[i]:rotate( 90 )
            end
            QuantidadeRepetidas = QuantidadeRepetidas + 1
        end
        if i == 29 then
            QuantidadeRepetidas = 1
            botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
            botoes[i].x = display.contentCenterX/0.61 - 35 - 35 - 35 - 35
            botoes[i].y = display.contentCenterY
            botoes[i]:rotate( 90 )
        end
        if i > 29 and i < 36 then
            if (i%2) == 0 then -- Quando o numero é par
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                print(i .. " " .. QuantidadeRepetidas)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y -75
                botoes[i]:rotate( 90 )
            else -- Quando o número é impar
                botoes[i] = display.newImageRect("imagens/".. Categorias[i] .. ".png", 70, 30)
                botoes[i].x = botoes[i-QuantidadeRepetidas].x
                botoes[i].y = botoes[i-QuantidadeRepetidas].y + 75
                botoes[i]:rotate( 90 )
            end
            QuantidadeRepetidas = QuantidadeRepetidas + 1
        end
        -- Parametro de correção
        if QuantidadeRepetidas > 2 then
            QuantidadeRepetidas = 2
        end
        botoes[i].name = Categorias[i]
        botoes[i]:addEventListener("touch", TouchBotoes)
        group:insert( botoes[i] )
    end


[TOPIC: post.html]
#9

pabloapdz

[GLOBAL: userInfoPane.html]
pabloapdz
  • Contributor

  • 125 posts
  • Corona SDK

Honestly I'm VERY lost from what I do here, it's because this case is very specific. of not knowing which button the user is pressing, and the button that the user is pressing has the same name as the image that I will upload, so I need everything in order because I do not know the name of the image that will appear on the screen and nor the name of the button that the user is prescribing.




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