Android For Freshers
Android Alert Dialog Example
Java Code (AlertDialogAct)
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.AlertDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
public class AlertDialogAct extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alert_dialog2);
}
public void next(View v)
{
AlertDialog ad= new AlertDialog.Builder(this)
.setTitle(“Alert Message”)
.setIcon(R.drawable.wechat)
.setMessage(“Hello! Alert Dialog “)
.setPositiveButton(“OK”, new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(AlertDialogAct.this, “ok”, Toast.LENGTH_SHORT).show();
}
})
.setNegativeButton(“CANCEL”, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
})
.setCancelable(false)
.create();
ad.show();
}
}
Layout XML code (activity_alert_dialog2)
<?xml version=”1.0″ encoding=”utf-8″?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
xmlns:tools=”http://schemas.android.com/tools”
android:layout_width=”match_parent”
android:orientation=”vertical”
android:layout_height=”match_parent”
android:paddingBottom=”@dimen/activity_vertical_margin”
android:paddingLeft=”@dimen/activity_horizontal_margin”
android:paddingRight=”@dimen/activity_horizontal_margin”
android:paddingTop=”@dimen/activity_vertical_margin”
tools:context=”com.andro.tech.androidproject.AlertDialogAct”>
<TextView
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:textSize=”30sp”
android:textStyle=”bold”
android:layout_gravity=”center”
android:text=”@string/alerttext”
android:layout_marginBottom=”120dp” />
<Button
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”Click For Diloag”
android:onClick=”next”
android:layout_marginBottom=”150dp”/>
</LinearLayout>
Output
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