[英]After Imagebutton --> Webview Addmob doesn´t start
我有一个小问题..我的应用程序从一个开始屏幕开始,我可以在 3 个图像按钮之间进行选择以打开 3 个不同的 web 视图(3 个 URL)。 在我的开始屏幕中,我有来自 admob 的“Smart_Banner”,在我点击任何图像按钮后,我切换到 webview,在这个 webview 中,我的 admob 消失了,它不再回来了! 我必须在那里重建一个新的 admob 广告吗? 伙计们,我需要一些真正的帮助!!
public static boolean checkInternetConnection(Context context) {
ConnectivityManager con_manager = (ConnectivityManager)
context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (con_manager.getActiveNetworkInfo() != null
&& con_manager.getActiveNetworkInfo().isAvailable()
&& con_manager.getActiveNetworkInfo().isConnected()) {
return true;
} else {
return false;
}
}
private ImageButton Ilias_link;
private ImageButton Lsf_link;
private WebView mWebView;
private Context content;
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AdView mAdView = (AdView) findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
mAdView.loadAd(adRequest);
if (!DetectConnection.checkInternetConnection(this)) {
Toast.makeText(getApplicationContext(), "Du hast leider kein Internet", Toast.LENGTH_SHORT).show();
} else {
Ilias_link = (ImageButton) findViewById(R.id.ilias_link);
mWebView = new WebView(this);
Ilias_link.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setBuiltInZoomControls(true);
mWebView.getSettings().setDisplayZoomControls(false);
mWebView.getSettings().setSupportZoom(true);
if (savedInstanceState == null)
mWebView.loadUrl("https://elearns02.fh-biberach.de/ilias3/login.php?target=&soap_pw=&ext_uid=&cookies=nocookies&client_id=HSBC&lang=de");
mWebView.setWebViewClient(new WebViewClient());
setContentView(mWebView);
}
});
Lsf_link = (ImageButton) findViewById(R.id.lsf_link);
mWebView = new WebView(this);
Lsf_link.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setBuiltInZoomControls(true);
mWebView.getSettings().setDisplayZoomControls(false);
mWebView.getSettings().setSupportZoom(true);
if (savedInstanceState == null)
mWebView.loadUrl("https://lsf.fh-biberach.de/qisserver/rds?state=user&type=0");
mWebView.setWebViewClient(new WebViewClient());
setContentView(mWebView);
}
});
ImageButton imageButton = (ImageButton) findViewById((R.id.Mensaplan));
imageButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(MainActivity.this, "Coming soon ;)", Toast.LENGTH_LONG).show();
}
});
}}
public void onPageFinished(WebView view, String url) {
String javascript = "javascript:document.getElementsByName('viewport')[0].setAttribute('content', 'initial-scale=1.0,maximum-scale=10.0');";
view.loadUrl(javascript);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mWebView.saveState(outState);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
mWebView.restoreState(savedInstanceState);
}
private static final int TIME_INTERVAL = 3000;
private long mBackPressed;
@Override
public void onBackPressed() {
if (mWebView.canGoBack()) {
mWebView.goBack();
return;
} else {
if (mBackPressed + TIME_INTERVAL > System.currentTimeMillis()) {
super.onBackPressed();
return;
} else {
Toast.makeText(getBaseContext(), "Press back button twice to exit ;)", Toast.LENGTH_SHORT).show();
}
mBackPressed = System.currentTimeMillis();
}
}
}
您正在调用setContentView(mWebView);
它仅用 WebView 替换您的 Activity 中的视图。 即它将首先删除 AdView(以及其他所有内容)。
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