android custom AlertDialog theme
val builder: AlertDialog.Builder = AlertDialog.Builder(ContextThemeWrapper(this, R.style.AlertDialogTheme))
<!-- AlertDialog Style-->
<style name="AlertDialogTheme">
<item name="android:background">@drawable/dialog_background</item>
</style>android studio alert dialog box
package org.geeksforgeeks.navedmalik.alertdialog;
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
// Declare the onBackPressed method
// when the back button is pressed
// this method will call
@Override
public void onBackPressed()
{
// Create the object of
// AlertDialog Builder class
AlertDialog.Builder builder
= new AlertDialog
.Builder(MainActivity.this);
// Set the message show for the Alert time
builder.setMessage("Do you want to exit ?");
// Set Alert Title
builder.setTitle("Alert !");
// Set Cancelable false
// for when the user clicks on the outside
// the Dialog Box then it will remain show
builder.setCancelable(false);
// Set the positive button with yes name
// OnClickListener method is use of
// DialogInterface interface.
builder
.setPositiveButton(
"Yes",
new DialogInterface
.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which)
{
// When the user click yes button
// then app will close
finish();
}
});
// Set the Negative button with No name
// OnClickListener method is use
// of DialogInterface interface.
builder
.setNegativeButton(
"No",
new DialogInterface
.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which)
{
// If user click no
// then dialog box is canceled.
dialog.cancel();
}
});
// Create the Alert dialog
AlertDialog alertDialog = builder.create();
// Show the Alert Dialog box
alertDialog.show();
}
}Copyright © 2021 Codeinu
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