App stürzt ab - Wie am schnellsten Grund finden?

1package com.ExKcirApps.Appname;
2
3
4import android.os.Bundle;
5import android.app.Activity;
6import android.view.Menu;
7import android.view.View;
8import android.webkit.WebView;
9import android.widget.Button;
10import android.widget.EditText;
11
12public class MainActivity extends Activity {
13
14 Button Klick = (Button) findViewById(R.id.button1);
15 WebView WV = (WebView) findViewById(R.id.webView1);
16 EditText Username = (EditText)findViewById(R.id.editText2);
17 EditText Text = (EditText)findViewById(R.id.editText1);
18 String Usernametext;
19 String Texttext;
20
21 @Override
22 public void onCreate(Bundle savedInstanceState) {
23 super.onCreate(savedInstanceState);
24 setContentView(R.layout.main);
25
26 WV.loadUrl("http://url.at");

1Usernametext = String.valueOf(Username.getText().toString());
2Texttext = String.valueOf(Text.getText().toString());

1package com.ExKcirApps.Appname;
2
3
4import android.os.Bundle;
5import android.app.Activity;
6import android.view.Menu;
7import android.view.View;
8import android.webkit.WebView;
9import android.widget.Button;
10import android.widget.EditText;
11
12public class MainActivity extends Activity {
13
14
15 String Usernametext;
16 String Texttext;
17
18 @Override
19 public void onCreate(Bundle savedInstanceState) {
20 super.onCreate(savedInstanceState);
21 setContentView(R.layout.main);
22
23 Button Klick = (Button) findViewById(R.id.button1);
24 final WebView WV = (WebView) findViewById(R.id.webView1);
25 final EditText Username = (EditText)findViewById(R.id.editText2);
26 final EditText Text = (EditText)findViewById(R.id.editText1);
27
28 WV.loadUrl("http://www.google.com");
29
30 Klick.setOnClickListener(new View.OnClickListener(){
31
32 public void onClick(View v)
33 {
34 Usernametext = String.valueOf(Username.getText().toString());
35 Texttext = String.valueOf(Text.getText().toString());
36
37 WV.loadUrl("http://www.google.at/index.php?name="
38 + Usernametext
39 + "&inhalt="
40 + Texttext);
41
42 Text.setText("");
43 }
44 });
45
46 }
47
48 @Override
49 public boolean onCreateOptionsMenu(Menu menu) {
50 getMenuInflater().inflate(R.menu.main, menu);
51 return true;
52 }
53}