我有這樣的問題:顯示java.lang.NullPointerExceptionjava.lang.NullPointer異常錯誤單擊後退按鈕在WebView中
我的代碼和圖片logcat中:
WebviewActivity.class
public class WebviewActivity extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview);
Bundle alinan = getIntent().getExtras();
String alinmis = alinan.getString("veri");
WebView webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(alinmis);
webView.getSettings().setBuiltInZoomControls(true);
webView.setWebChromeClient(new WebChromeClient() {
});
MenutrActivity .class
public class MenutrActivity extends Activity{
Bundle bnd;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menutr);
bnd = new Bundle();
Button mekanlar = (Button)findViewById(R.id.mekanlar);
final Intent i = new Intent(getApplicationContext(), WebviewActivity.class);
mekanlar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent("android.intent.action.WEBK"));
String myString = "http://www.google.com.tr";
bnd.putString("veri", myString);
i.putExtras(bnd);
startActivity(i);
}
}); }}
當我按下按鈕時,應用程序失敗。
logcat的錯誤:在顯示java.lang.NullPointerException WebviewActivity.class
郵編,不是圖片 – 2014-12-06 16:05:25
好吧,抱歉,我將編輯 – 2014-12-06 16:06:24
發表您的主要活動XML – SeahawksRdaBest 2014-12-06 21:00:51