Ads Not Show

hi every one i make a game when put admob ad id into my game but ads not show when i build app to apk thanks for helping me

this is my PTAdAdMobBridge.java
package com.secrethq.ads;

import java.lang.ref.WeakReference;

import org.cocos2dx.lib.Cocos2dxActivity;

import android.util.Log;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;

import com.google.android.gms.ads.*;

public class PTAdAdMobBridge {
private static final String TAG = "PTAdAdMobBridge";
private static Cocos2dxActivity activity;
private static WeakReference<Cocos2dxActivity> s_activity;
private static AdView adView;
private static InterstitialAd interstitial;
private static LinearLayout layout;

private static native String bannerId();
private static native String interstitialId();
private static native void interstitialDidFail();
private static native void bannerDidFail();

private static boolean isBannerScheduledForShow = false;
private static boolean isInterstitialScheduledForShow = false;

public static void initBridge(Cocos2dxActivity activity){
Log.v(TAG, "PTAdAdMobBridge -- INIT");


PTAdAdMobBridge.s_activity = new WeakReference<Cocos2dxActivity>(activity);
PTAdAdMobBridge.activity = activity;

MobileAds.initialize(PTAdAdMobBridge.activity, PTAdAdMobBridge.bannerId());

PTAdAdMobBridge.initBanner();
PTAdAdMobBridge.initInterstitial();

}

public static void initBanner(){
Log.v(TAG, "PTAdAdMobBridge -- initBanner");
PTAdAdMobBridge.s_activity.get().runOnUiThread( new Runnable() {
public void run() {

if(PTAdAdMobBridge.adView != null){
return;
}

FrameLayout frameLayout = (FrameLayout)PTAdAdMobBridge.activity.findViewById(android.R.id.content);
RelativeLayout layout = new RelativeLayout( PTAdAdMobBridge.activity );
frameLayout.addView( layout );

RelativeLayout.LayoutParams adViewParams = new RelativeLayout.LayoutParams(
AdView.LayoutParams.WRAP_CONTENT,
AdView.LayoutParams.WRAP_CONTENT);
adViewParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
adViewParams.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);

PTAdAdMobBridge.adView = new AdView( PTAdAdMobBridge.activity );
PTAdAdMobBridge.adView.setAdSize(AdSize.SMART_BANNER);
PTAdAdMobBridge.adView.setAdUnitId( PTAdAdMobBridge.bannerId() );

layout.addView(PTAdAdMobBridge.adView, adViewParams);
PTAdAdMobBridge.adView.setVisibility( View.INVISIBLE );

AdRequest adRequest = getAdRequest();
PTAdAdMobBridge.adView.loadAd( adRequest );
}
});

}

public static boolean isBannerVisible(){
if(PTAdAdMobBridge.adView == null){
return false;
}
else{
if(PTAdAdMobBridge.adView.getVisibility() == View.VISIBLE){
return true;
}
else{
return false;
}
}
}

public static void initInterstitial(){
Log.v(TAG, "PTAdAdMobBridge -- initInterstitial");
PTAdAdMobBridge.s_activity.get().runOnUiThread( new Runnable() {
public void run() {

if(PTAdAdMobBridge.interstitial != null){
return;
}

AdRequest adRequest = getAdRequest();

PTAdAdMobBridge.interstitial = new InterstitialAd( PTAdAdMobBridge.activity );
PTAdAdMobBridge.interstitial.setAdUnitId( PTAdAdMobBridge.interstitialId() );
PTAdAdMobBridge.interstitial.setAdListener(new AdListener() {
@Override
public void onAdLoaded() {
if(PTAdAdMobBridge.isInterstitialScheduledForShow){
PTAdAdMobBridge.showFullScreen();
}
}

@Override
public void onAdClosed() {
AdRequest adRequest = new AdRequest.Builder().build();
PTAdAdMobBridge.interstitial.loadAd(adRequest);
}

@Override
public void onAdFailedToLoad(int errorCode) {
if ( !isInterstitialScheduledForShow )
return;

PTAdAdMobBridge.interstitialDidFail();
}
});

PTAdAdMobBridge.interstitial.loadAd(adRequest);
}
});
}



public static void showFullScreen(){
Log.v(TAG, "showFullScreen");

isInterstitialScheduledForShow = true;

if(PTAdAdMobBridge.interstitial != null){
PTAdAdMobBridge.s_activity.get().runOnUiThread( new Runnable() {
public void run() {
if(PTAdAdMobBridge.interstitial.isLoaded()){
PTAdAdMobBridge.interstitial.show();
PTAdAdMobBridge.isInterstitialScheduledForShow = false;
}
else{
PTAdAdMobBridge.isInterstitialScheduledForShow = true;
}
}
});
}
}



public static void showBannerAd(){
Log.v(TAG, "showBannerAd");

isBannerScheduledForShow = true;

if(PTAdAdMobBridge.adView != null){
PTAdAdMobBridge.s_activity.get().runOnUiThread( new Runnable() {
public void run() {
AdRequest adRequest = getAdRequest();

PTAdAdMobBridge.adView.loadAd(adRequest);
PTAdAdMobBridge.adView.setAdListener(new AdListener() {
@Override
public void onAdFailedToLoad(int errorCode) {
if ( !isBannerScheduledForShow )
return;

Log.v(TAG, "Banner Ad Failed To Load");
PTAdAdMobBridge.bannerDidFail();
}

@Override
public void onAdLoaded() {
Log.v(TAG, "Banner Ad Loaded");
PTAdAdMobBridge.adView.setVisibility( isBannerScheduledForShow ? View.VISIBLE : View.INVISIBLE );
}
});
PTAdAdMobBridge.adView.setVisibility( View.VISIBLE );
}
});
}



}

public static void hideBannerAd(){
Log.v(TAG, "hideBannerAd");

isBannerScheduledForShow = false;

if(PTAdAdMobBridge.adView != null){
PTAdAdMobBridge.s_activity.get().runOnUiThread( new Runnable() {
public void run() {
PTAdAdMobBridge.adView.setVisibility( View.INVISIBLE );
}
});
}
}

private static AdRequest getAdRequest(){
// Create an ad request. Check your logcat output for the hashed device ID to
// get test ads on a physical device. e.g.
// "Use AdRequest.Builder.addTestDevice("ABCDEF012345") to get test ads on this device."
AdRequest adRequest = new AdRequest.Builder()
// uncomment to get test ads
//.addTestDevice("YOUR_DEVICE_ID")
.build();
return adRequest;
}

}