Android AdView泄漏,可能是由于某些内部后台线程
我在由片段创建的窗口中显示AdMob广告横幅。这是可行的,但我遇到了奇怪的泄漏问题,我还不明白。当我多次打开和关闭应用程序时,每次都会正确销毁广告片段,但控制该片段的MainActivity正在泄漏: 有罪的是这一行代码:Android AdView泄漏,可能是由于某些内部后台线程,android,android-fragments,memory-leaks,admob,Android,Android Fragments,Memory Leaks,Admob,我在由片段创建的窗口中显示AdMob广告横幅。这是可行的,但我遇到了奇怪的泄漏问题,我还不明白。当我多次打开和关闭应用程序时,每次都会正确销毁广告片段,但控制该片段的MainActivity正在泄漏: 有罪的是这一行代码: adRequest = new AdRequest.Builder().addTestDevice(DEVICE_ID_MOTO_G).addTestDevice(DEVICE_ID_ZTE).build(); mAdView.loadAd(adRequest); (您可
adRequest = new AdRequest.Builder().addTestDevice(DEVICE_ID_MOTO_G).addTestDevice(DEVICE_ID_ZTE).build();
mAdView.loadAd(adRequest);
(您可以在下面看到,我已经尝试取消adRequest,但没有结果。)无论如何,当我评论这两行时,泄漏不会发生。我对它进行了两次测试,因为很难相信这个调用会泄漏,但确实如此。这是片段代码。如您所见,我甚至在ondestory()
中取消了所有可能的内容。我可以保证调用了onDestroy()
<代码>加载AD启动任何后台线程。我想这和那个问题有关
public class SnippetFragment extends Fragment
{
private AdView mAdView;
private OnAdFinishedLoadingListener onAdFinishedLoadingListener;
private Context context;
private AdRequest adRequest;
private final String DEVICE_ID_ZTE = "1CA20334345BB1479C43692AFA576456487A48";
private final String DEVICE_ID_MOTO_G = "131465469A7BE11543543065404B168908CB13C8D1";
public SnippetFragment(Context context)
{
this.context = context;
}
@Override
public void onActivityCreated(Bundle bundle)
{
super.onActivityCreated(bundle);
mAdView = (AdView)getView().findViewById(R.id.adView);
mAdView.setAdListener(new AdListener()
{
@Override
public void onAdLoaded()
{
super.onAdLoaded();
if (context != null)
{
onAdFinishedLoadingListener = (OnAdFinishedLoadingListener)context;
onAdFinishedLoadingListener.onAdLoaded();
}
}
});
//THIS SOMEHOW LEAKS!
adRequest = new AdRequest.Builder().addTestDevice(DEVICE_ID_MOTO_G).addTestDevice(DEVICE_ID_ZTE).build();
mAdView.loadAd(adRequest);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
return inflater.inflate(R.layout.fragment_snippet, container, false);
}
/** Called when leaving the activity */
@Override
public void onPause()
{
if (mAdView != null)
{
mAdView.pause();
}
super.onPause();
}
/** Called when returning to the activity */
@Override
public void onResume()
{
super.onResume();
if (mAdView != null)
{
mAdView.resume();
}
}
/** Called before the activity is destroyed */
@Override
public void onDestroy()
{
adRequest = null;
if (mAdView != null)
{
mAdView.setAdListener(null);
mAdView.destroy();
mAdView = null;
}
context = null;
super.onDestroy();
}
}
我幸运地找到了解决办法。在片段被销毁之前,您必须手动将AdView踢出周围的布局。在我启动并关闭应用程序大约20次后,再也没有泄漏。以下是更新的片段:
public class SnippetFragment extends Fragment
{
private AdView adView;
private OnAdFinishedLoadingListener onAdFinishedLoadingListener;
private Context context;
private LatLng routeDestination;
private AdRequest adRequest;
private LinearLayout snippetContent;
private final String DEVICE_ID_ZTE = "2353496z35752t3524267854";
private final String DEVICE_ID_MOTO_G = "4568735862378523675427897";
@Override
public void onActivityCreated(Bundle bundle)
{
super.onActivityCreated(bundle);
snippetContent = (LinearLayout)getView().findViewById(R.id.snippet_content);
adView = (AdView)getView().findViewById(R.id.adView);
adView.setAdListener(new AdListener()
{
@Override
public void onAdLoaded()
{
super.onAdLoaded();
if (context != null)
{
onAdFinishedLoadingListener = (OnAdFinishedLoadingListener)getActivity();
onAdFinishedLoadingListener.onAdLoaded();
}
}
});
adRequest = new AdRequest.Builder().addTestDevice(DEVICE_ID_MOTO_G).addTestDevice(DEVICE_ID_ZTE).build();
adView.loadAd(adRequest);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
return inflater.inflate(R.layout.fragment_snippet, container, false);
}
@Override
public void onPause()
{
if (adView != null)
{
adView.pause();
}
super.onPause();
}
@Override
public void onResume()
{
super.onResume();
if (adView != null)
{
adView.resume();
}
}
@Override
public void onDestroy()
{
destroyAdView();
super.onDestroy();
}
private void destroyAdView()
{
if (adView != null)
{
adRequest = null;
adView.removeAllViews();
adView.setAdListener(null);
adView.destroy();
snippetContent.removeView(adView);
adView = null;
snippetContent = null;
}
}
}
可能与泄漏无关,但是
片段的承包商必须没有参数,框架在片段恢复时不会调用承包商,您可以使用getActivitiy()
或mAddView.getContext()
获取上下文,但这没用,你是怎么泄露的?屏幕旋转?我也有同样的问题,但不幸的是,即使经过此修复,我的问题仍然存在。@eliasbagley那么您在某个地方有一个对该片段的引用,或者根本没有销毁该片段?该片段的onDestroy()方法被调用。我以编程方式添加AdView,并将其从onStop()的父视图中删除方法:我使用应用程序上下文创建AdViewwhy do you doadView=null的实例代码>在onDestroy
中?真没用!