我想从对话框中获取一个字符串,两个整数和一个timepicker结果,以创建此对话框的活动。我怎样才能将这些信息传递给这个活动? 下面是我的代码。将数据从对话框传递到创建的活动
package ilachatirlatici.pack.net;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class HapHatirlatici extends Activity{
Button ekleButton;
boolean eklendiMi;
EditText ilacAdi;
String ilacAdiString;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.haphatirlatici);
// After creating the activity setting other things for running
ekleButton = (Button) findViewById(R.id.EkleButton);
eklendiMi = false;
ilacAdiString = "";
ekleButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
ilacAdi = (EditText) findViewById(R.id.KayitAdiEditText);
View layout = getLayoutInflater().inflate(R.layout.ekle_dialog, null);
AlertDialog.Builder builder = new AlertDialog.Builder(HapHatirlatici.this);
builder.setPositiveButton(R.string.ekle,new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
eklendiMi = true;
ilacAdiString = ilacAdi.getText().toString();
//ilacAdiString = ilacAdi.getEditableText().toString();
databaseEkle(eklendiMi, ilacAdiString);
}
});
builder.setNegativeButton(R.string.vazgec, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
eklendiMi = false;
databaseEkle(eklendiMi, "");
}
});
builder.setView(layout);
AlertDialog alertDialog = builder.create();
alertDialog.setTitle("Ilac Ekleme");
alertDialog.show();
}
});
}
public boolean databaseEkle(boolean eklemeVarMi, String ilacAdi)
{
boolean sonuc = false;
System.out.println(ilacAdi);
return sonuc;
}
}
我想在正面的按钮部分得到结果。我只实现了字符串部分。由于其他部分将是相同的。如何将此字符串传递给databaseEkle()
函数?
是不是好像你已经传递了价值? – waqaslam 2012-02-25 21:02:41
是的,它似乎是这样。但是,当它进入正面按钮部分时,应用程序会强制关闭。该部分引发空指针异常。 – 2012-02-25 21:27:01
你也可以粘贴异常堆栈跟踪。带有try catch语句的 – waqaslam 2012-02-25 22:01:43