local physics = require('physics')
physics.start()
physics.setGravity(0, 0)
local image = display.newImageRect( "testimage.png" ,40,40)
_H = display.contentHeight
_W = display.contentWidth
image.x = 40
image.y = 40
local isheld = false
local isheld2 = false
physics.addBody(image)
local widget = require( "widget" )

-- Function to handle button events
local function goRight(event)

    if ( "began" == event.phase ) then
        isheld = true
    end
    if ( "ended" == event.phase  or "cancelled" == event.phase) then
        isheld = false
    end
end

local function goLeft(event)

    if ( "began" == event.phase or "moved" == event.phase ) then
        isheld2 = true
    end
    if ( "ended" == event.phase  or "cancelled" == event.phase) then
        isheld2 = false
    end
end
-- loop to handle moving
local function move( event )
    if (isheld) then
        image.x = image.x + 3
    end

    if (isheld2) then
        image.x = image.x - 3
    end
end

-- button widgets
local button1 = widget.newButton
{
    left = 100,
    top = 400,
    id = "button1",
    onEvent = goRight,
    defaultFile = "testimage.png"
}

local button2 = widget.newButton
{
    left = 50,
    top = 400,
    id = "button1",
    onEvent = goLeft,
    defaultFile = "testimage.png"
}

Runtime:addEventListener( "enterFrame", move)