Finally I resolved this problem by invoking the flattened view's findViewById(), hope this can be helpful for others.
On Apr 15, 5:20 pm, Bin Chen <[email protected]> wrote: > It's weird, if I change the code into: > > new > DialogInterface.OnClickListener() { > public void > onClick(DialogInterface dialog, > > int whichButton) { > > String user; > > String password; > > > setContentView(R.layout.alert_dialog_text_entry); > > EditText user_edit = (EditText)findViewById > (R.id.username_edit); > > EditText password_edit = (EditText)findViewById > (R.id.password_edit); > user > = user_edit.getText().toString(); > > setContentView(R.layout.main); > } > > Then the button in the main view has no effect at all, is it a bug? Or > the way I do is wrong? > > On Apr 15, 5:16 pm, Bin Chen <[email protected]> wrote: > > > Sovled by adding a setContentView()... > > > On Apr 15, 5:10 pm, Bin Chen <[email protected]> wrote: > > > > I have a main.xml as the main view and another > > > alert_dialog_text_entry.xml for one dialog when a button is clicked in > > > the main.xml view. In the click handler of the button, the findViewById > > > () can't work, the returned vaule is null, the code is like this: > > > > protected Dialog onCreateDialog(int id) { > > > switch (id) { > > > case DIALOG_ACCOUNT_SETTING: > > > LayoutInflater factory = > > > LayoutInflater.from(mymsn.GetContext()); > > > View textEntryView = factory.inflate( > > > R.layout.alert_dialog_text_entry, > > > null); > > > return new AlertDialog.Builder(this) > > > .setIcon(R.drawable.icon) > > > > > > .setTitle(R.string.alert_dialog_text_entry) > > > .setView(textEntryView) > > > > > > .setPositiveButton(R.string.alert_dialog_ok, > > > new > > > DialogInterface.OnClickListener() { > > > public > > > void onClick(DialogInterface dialog, > > > > > > int whichButton) { > > > > > > String user; > > > > > > String password; > > > > > > > EditText user_edit = (EditText)findViewById > > > (R.id.username_edit); > > > > > > EditText password_edit = (EditText)findViewById > > > (R.id.password_edit); > > > > > > user = user_edit.getText().toString(); > > > > } > > > }) > > > > > > .setNegativeButton(R.string.alert_dialog_cancel, > > > new > > > DialogInterface.OnClickListener() { > > > public > > > void onClick(DialogInterface dialog, > > > > > > int whichButton) { > > > } > > > }) > > > .create(); > > > } > > > > The alert_dialog_text_entry.xml: > > > > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > > > android" > > > android:layout_width="fill_parent" > > > android:layout_height="wrap_content" > > > android:orientation="vertical"> > > > > <TextView > > > android:id="@+id/username_view" > > > android:layout_height="wrap_content" > > > android:layout_width="wrap_content" > > > android:layout_marginLeft="20dip" > > > android:layout_marginRight="20dip" > > > android:text="@string/alert_dialog_username" > > > android:gravity="left" > > > android:textAppearance="?android:attr/textAppearanceMedium" /> > > > > <EditText > > > android:id="@+id/username_edit" > > > android:layout_height="wrap_content" > > > android:layout_width="fill_parent" > > > android:layout_marginLeft="20dip" > > > android:layout_marginRight="20dip" > > > android:scrollHorizontally="true" > > > android:autoText="false" > > > android:capitalize="none" > > > android:gravity="fill_horizontal" > > > android:textAppearance="?android:attr/textAppearanceMedium" /> > > > > <TextView > > > android:id="@+id/password_view" > > > android:layout_height="wrap_content" > > > android:layout_width="wrap_content" > > > android:layout_marginLeft="20dip" > > > android:layout_marginRight="20dip" > > > android:text="@string/alert_dialog_password" > > > android:gravity="left" > > > android:textAppearance="?android:attr/textAppearanceMedium" /> > > > > <EditText > > > android:id="@+id/password_edit" > > > android:layout_height="wrap_content" > > > android:layout_width="fill_parent" > > > android:layout_marginLeft="20dip" > > > android:layout_marginRight="20dip" > > > android:scrollHorizontally="true" > > > android:autoText="false" > > > android:capitalize="none" > > > android:gravity="fill_horizontal" > > > android:password="true" > > > android:textAppearance="?android:attr/textAppearanceMedium" /> --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
