Create an AlertDialog in Android- Android Studio
Show the AlertDialog box on Button Click an Android
1. activity_main.xml file
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.androidjava.alertdialog.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="WelCome"
android:textSize="50sp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="20dp"
android:id="@+id/textView" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Alert Dialog Show"
android:id="@+id/alertDialogButton"
android:layout_below="@+id/textView"
android:layout_centerHorizontal="true"
android:layout_marginTop="60dp" />
</RelativeLayout>
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2. MainActivity.java File
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
Button alertDialogButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
alertDialogButton= (Button) findViewById(R.id.alertDialogButton);
alertDialogButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Title Of Alert");
builder.setMessage("Message Content Of Title");
builder.setCancelable(false);
builder.setPositiveButton("Yes",new DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(),"Yes Button Clicked",Toast.LENGTH_LONG).show();
//Your code Here
}
});
builder.setNegativeButton("No",new DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
//your code here
}
});
AlertDialog alert=builder.create();
alert.show();
}
});
}
}
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