015 Java Android Program to Demonstrate Toast in an Application
Posted by Superadmin on December 12 2015 14:41:43

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Java Android Program to Demonstrate Toast in an Application

This Android Java Program lets you create an Activity to create a Toast in an Application.
Toast is Message is displayed on the screen for a shorter or a longer period of time depending on the user need . An application developer can notify the user using this short message. The code shows how to create a toast message, for creating a toast message Android’s Toast class is used.

Here is source code of the Program to create an Activity to create a Toast in an Application. The program is successfully compiled and run on a Windows system using Eclipse Ide. The program output is also shown below.

Main Activity


package com.example.creating_toast;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {
// creating a menu and adding a toast to it.
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
startActivity(new Intent("com.example.creating_toast.toast"));
}
});

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case R.id.activity1:
startActivity(new Intent("com.example.creating_toast.toast"));

return true;
case R.id.toast:
Toast var = Toast.makeText(MainActivity.this, "yep this is a toast",
Toast.LENGTH_SHORT);

var.show();
return true;
}
return false;

}

}

Toast

package com.example.creating_toast;

import android.app.Activity;
import android.os.Bundle;

public class toast extends Activity{

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.about);
}

}

Xml

Main

<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"
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=".MainActivity" >

<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="14dp"
android:layout_marginTop="142dp"
android:text="Button1" />

<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/button1"
android:layout_alignBottom="@+id/button1"
android:layout_alignParentRight="true"
android:layout_marginRight="28dp"
android:text="Button2" />

</RelativeLayout>
Toast


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Yeh this is a toast activity"
android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>