Problem in chartboost ad for android

I implement chartboost ad for android and ios. and my app is live.

There is rewarded and interstitial of chartboost.

IOS running perfect.

but android give me rewarded 2-3 times then after not load ad.and interstitial also not showing me.

Code is perfect because test mode working perfect.

Please help

HERE is my code:

adUnit = {}

local composer = require “composer”

– ads = require “ads”

chartboost = require( “plugin.chartboost” )

adUnit.isHide = true

– textMode = display.newText(  “No AD”, display.contentWidth/2, display.contentHeight - 20, native.systemFont , 25 )
– textMode:setFillColor( 0 )

if (sysEnv == “Android”) then
    --adUnit.bannerAdId = “ca-app-pub-1801421226985811/9879122284”
    adUnit.interstitialAdId = “ca-app-pub-1801421226985811/5460975484”

    adUnit.videoAdId_chartboost = “58c0f39943150f6a3bca11d0”–“58c0f39943150f6a3bca11d0”
    adUnit.videoAdSign_chartboost = “67bbe6353115c074f1b31db02d13cad619b37a97”–“67bbe6353115c074f1b31db02d13cad619b37a97”

elseif (sysEnv == “iPhone OS”) then
    --adUnit.bannerAdId = “ca-app-pub-1801421226985811/5309321886”
    adUnit.interstitialAdId = “ca-app-pub-1801421226985811/8414441883”–“ca-app-pub-1801421226985811/8262788287”

    adUnit.videoAdId_chartboost = “58be528f04b0167779d81d0c”–“58be528f04b0167779d81d0c”–“58be523b43150f03a7ada295”
    adUnit.videoAdSign_chartboost = “ad6bda4c51dcd05d98a9d072f6faf55d0ab26267”–“ad6bda4c51dcd05d98a9d072f6faf55d0ab26267”    
end

– adUnit.adProvider = “admob”

adUnit.adListener = function(event)
    local msg = event.response
    – Quick debug message regarding the response from the library
    print( "Message from the ads library: ", msg )
    

    if ( event.isError ) then
        
        print( “Error, no ad received”, msg )
    elseif ( event.phase == “loaded” ) then
        – an ad was preloaded

    elseif ( event.phase == “shown” ) then
        
        – the ad was viewed and closed
        – adUnit.adLoad()
            
    end
end

adUnit.adListenerChartboost = function(event)
    if ( event.phase == “init” ) then  – Successful initialization
        --textMode.text = “init”
        chartboost.load( “interstitial” , “Game Over” )
        chartboost.load( “rewardedVideo” , “Item Store” )

    elseif ( event.phase == “loaded” ) then
        if (event.type == “rewardedVideo”) then
            --textMode.text = “loaded video”
        elseif (event.type == “interstitial”) then
            --textMode.text = “loaded interstitial”
        end
    elseif ( event.phase == “displayed” ) then        
            
    elseif ( event.phase == “closed” ) then

        if (event.type == “interstitial”) then
            --textMode.text = “displayed Interstital”
            if (chartboost.isLoaded( “interstitial” , “Game Over” )) then
                ----
            else
                chartboost.load( “interstitial” , “Game Over” )    
            end
        end        

    elseif ( event.phase == “reward” ) then
        --textMode.text = “reward”
        if (_G.rewardClick ~= nil and _G.rewardId ~= nil and _G.rewardClick == “Weapons”) then
            composer.storePurchase.weapons[_G.rewardId] = composer.storePurchase.weapons[_G.rewardId] + 1
            changeValueOfCoinsAndWeapons(_G.rewardId,“Weapons”)
        else
            composer.storePurchase.totalCoins = composer.storePurchase.totalCoins + 50
            changeValueOfCoinsAndWeapons(1,“Coins”)
        end
        loadSave.saveTable(composer.storePurchase , “storePurchase.json”)  
        if (chartboost.isLoaded( “rewardedVideo” , “Item Store” )) then
            -----
        else
            chartboost.load( “rewardedVideo” , “Item Store” )    
        end

    end
end

adUnit.adInit = function()
    
    – ads.init( adUnit.adProvider, adUnit.bannerAdId , adUnit.adListener )
    – ads.init( adUnit.adProvider, adUnit.interstitialAdId , adUnit.adListener)

    chartboost.init( adUnit.adListenerChartboost, { appId = adUnit.videoAdId_chartboost, appSig = adUnit.videoAdSign_chartboost } )
   
end

adUnit.adShow = function( name )
    if (name == “banner”) then
        adUnit.isHide = false
        ads.show(“banner”, { x = 0, y = _H - display.screenOriginY, appId = adUnit.bannerAdId  } )
    elseif (name == “interstitial”) then
        if (chartboost.isLoaded( “interstitial” , “Game Over” )) then
            chartboost.show( “interstitial” , “Game Over” )    
        else
            chartboost.load( “interstitial” , “Game Over” )    
        end
        
    elseif (name == “rewardedVideo”) then
        if (chartboost.isLoaded( “rewardedVideo” , “Item Store” )) then
            chartboost.show( “rewardedVideo” , “Item Store” )
        else
            local function onComplete( e )
                chartboost.load( “rewardedVideo” , “Item Store” )
            end
            native.showAlert( “title”, “You have to purchase or wait some time for load video.”,{“OK”},onComplete )    
         
        end
        
    end
    
end

adUnit.adLoad = function()
    --ads.load( “interstitial”, { appId = adUnit.interstitialAdId } )
end

adUnit.adHide = function()
    if (adUnit.isHide == false) then
        – ads.hide()
        adUnit.isHide = true
    end
    
end

return

--------Build.settings -------


– For more information on build.settings see the Corona SDK Build Guide at:
https://docs.coronalabs.com/guide/distribution/buildSettings

settings =
{
    orientation =
    {
        – Supported values for orientation:
        – portrait, portraitUpsideDown, landscapeLeft, landscapeRight

        default = “landscapeRight”,
        supported = { “landscapeRight”, },
    },

    
    plugins =
    {

        [“CoronaProvider.native.popup.social”] =
        {
            publisherId = “com.coronalabs”
        },

        [“plugin.google.iap.v3”] =
        {
            publisherId = “com.coronalabs”,
            supportedPlatforms = { android=true }
        },

        [“plugin.chartboost”] =
        {
            publisherId = “com.coronalabs”
        },
        
        --[“CoronaProvider.gameNetwork.apple”] =
        --{
            --publisherId = “com.coronalabs”,
            --supportedPlatforms = { iphone=true}
        --},

        [“plugin.gpgs”] =
        {
            publisherId = “com.coronalabs”,
            supportedPlatforms = { android=true }
        },

        
    },   

    –
    – iOS Section
    –
    iphone =
    {
        plist =
        {
            UIStatusBarHidden = false,
            UIPrerenderedIcon = true, – set to false for “shine” overlay
            --UIApplicationExitsOnSuspend = true, – uncomment to quit app on suspend
            MinimumOSVersion = “7.0”,

            CFBundleIconFiles =
            {
                “Icon.png”,
                “Icon@2x.png”,
                “Icon-167.png”,
                “Icon-60.png”,
                “Icon-60@2x.png”,
                “Icon-60@3x.png”,
                “Icon-72.png”,
                “Icon-72@2x.png”,
                “Icon-76.png”,
                “Icon-76@2x.png”,
                “Icon-Small.png”,
                “Icon-Small@2x.png”,
                “Icon-Small@3x.png”,
                “Icon-Small-40.png”,
                “Icon-Small-40@2x.png”,
                “Icon-Small-50.png”,
                “Icon-Small-50@2x.png”,
            },
        },
    },
    
    –
    – Android Section
    –
    android =
    {    
        googlePlayGamesAppId = “556156679241”,
        usesPermissions =
        {
            “android.permission.INTERNET”,
            “android.permission.ACCESS_NETWORK_STATE”,
            “com.android.vending.BILLING”,
            “android.permission.ACCESS_WIFI_STATE”,
            “android.permission.READ_PHONE_STATE”,
            “android.permission.WRITE_EXTERNAL_STORAGE”
        },
    },
}