i am trying to create a user for my application. but after taking the
appropriate details when i press the confirm button my program
crashes. can anybody tell me what is the problem???
here is the code for that activity:-
package kumar.avinash.pbi.learnoid;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
@SuppressWarnings("unused")
public class EditUser extends Activity {
private static EditText mEditUserId;
private static EditText mEditUserPass;
private static Long mRowId;
private static LearnoidDbAdapter mDbHelper;
private static String user_id;
private static String pass;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mDbHelper = new LearnoidDbAdapter(this);
mDbHelper.open();
if (mRowId == null) {
Bundle extras = getIntent().getExtras();
mRowId = (extras != null) ?
extras.getLong(LearnoidDbAdapter.KEY_ROWID) :
null;
}
setContentView(R.layout.user_edit);
setTitle("create user");
mEditUserId = (EditText) findViewById(R.id.user_id);
user_id = mEditUserId.toString();
mEditUserPass = (EditText) findViewById(R.id.pass);
pass = mEditUserPass.toString();
Button confirmButton = (Button) findViewById(R.id.confirm);
mRowId = (savedInstanceState == null) ? null :
(Long)
savedInstanceState.getSerializable(LearnoidDbAdapter.KEY_ROWID);
populateFields();
confirmButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
setResult(RESULT_OK);
finish();
Intent edit_to_login = new Intent(EditUser.this,
Login.class);
startActivity(edit_to_login);
}
});
}
private void populateFields() {
if (mRowId != null) {
Cursor user = mDbHelper.fetchUser(mRowId);
startManagingCursor(user);
mDbHelper.createUser(user_id, pass);
}
}
@Override
protected void onPause() {
super.onPause();
saveState();
}
@Override
protected void onResume() {
super.onResume();
//populateFields();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
saveState();
outState.putSerializable(LearnoidDbAdapter.KEY_ROWID, mRowId);
}
private void saveState() {
String user_id = mEditUserId.getText().toString();
String user_pass = mEditUserPass.getText().toString();
if (mRowId == null) {
long id = mDbHelper.createUser(user_id, user_pass);
if (id > 0) {
mRowId = id;
}
} else {
mDbHelper.updateUser(mRowId, user_id, user_pass);
}
}
}
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