我需要做一個登錄我的Android應用的幫助,但是當我把在用戶將其與java.lang.NullPointerExption出來和從底部繼承人的結束碼的Android登錄破碎
public void onClick(View v) {
ArrayList<NameValuePair> postParameters = new ArrayList<NameValuePair>();
postParameters.add(new BasicNameValuePair("username", un.getText().toString()));
postParameters.add(new BasicNameValuePair("password", pw.getText().toString()));
// String valid = "1";
String response = null;
try {
response = CustomHttpClient.executeHttpPost("http://www.edgeblok.com/check.php", postParameters);
String res = response.toString();
//res = res.trim();
res = res.replaceAll("\\s+","");
// error.setText(res);
if (res.equals("1")) error.setText("Correct Username or Password");
else error.setText("Sorry!! Wrong Username or Password Entered");
}
catch (Exception e) {
error.setText(e.toString());
}
}
});
}
}
哪一行有NullPointerException,它將顯示在logcat中。 –
它的捕獲,使它 – Kris
你可以發佈堆棧跟蹤? –