小编Ami*_*ika的帖子

我已经创建了一个自定义对话框,但我无法将文本设置为java中对话框布局中的textview,程序崩溃.我的错是什么？

public class Total_CBC extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.total_cbc);
    final TextView RBC_T = (TextView) findViewById(R.id.total_cbc_text_rbc);

    Button RBC_B = (Button) findViewById(R.id.total_cbc_btn_rbc);

    //

    RBC_B.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View arg0) {
            showCustomDialog(RBC_T);
        }
    });
}


protected void showCustomDialog(final TextView _RBC_T) {
    final Dialog dialog = new Dialog(Total_CBC.this);
    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
    dialog.setContentView(R.layout.dialog_edit);
    final EditText editText = (EditText) dialog.findViewById(R.id.dialog_edit_edittext);
    Button button = (Button) dialog.findViewById(R.id.dialog_edit_btn);
    TextView titel = (TextView) findViewById(R.id.dialog_edit_text_title);
    titel.setText("RBC");
    button.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) { …