Android Toast Example

Android Toast Example

Toasts are transient Dialog boxes that remain visible for only a few seconds before fading out .

• You can make toast by using Toast class .  
• The Toast class includes a static makeText method that creates a standard Toast display window.
    pass the following parameter to this methods 
           1) Application Context . 
           2)  The text message to display
           3) The length of time to display it (LENGTH_SHORTor LENGTH_LONG) . 
   
• Once a Toast has been created,display it by calling show.

 Customized Toast 

 You can also customize the toast  by setting its display position and assigning it alternative Views or layouts.

 Lets see an Example 

Project Detail

Project Name	ToastDemo
Package	com.pavan.toastdemo
Minimum SDK	API 8
Target SDK	API 17
Theme	Holo Light with Dark Action Bar

1. XML Layout

   file:-activity_main.xml

<?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:padding="20dp"
    android:orientation="vertical" >
       
    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Simple Toast" />
       
    <Button
        android:id="@+id/button2"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="Customized Toast" />
  
</LinearLayout>

Create An Xml for custom toast message

   file:-custom_toast.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/layoutid"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000000"
    android:orientation="horizontal"
    android:padding="3dp" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="70dp"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:id="@+id/textView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text=""
        android:textColor="#ffffff"
        android:textSize="16dp"/>
</LinearLayout>

2. Activity

file:-MainActivity.java

package com.pavan.toastdemo;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;

import android.widget.TextView;
import android.widget.Toast;
import android.app.Activity;

public class MainActivity extends Activity implements OnClickListener {

 Button sim_toast_but, cust_toast_but;

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  sim_toast_but = (Button) findViewById(R.id.button1);
  cust_toast_but = (Button) findViewById(R.id.button2);

  sim_toast_but.setOnClickListener(this);
  cust_toast_but.setOnClickListener(this);
 }

 public void onClick(View v) {
 
  switch (v.getId()) {
  case R.id.button1:
   Toast.makeText(this, "Displaying Simple Toast", Toast.LENGTH_SHORT)
     .show();
   break;

  case R.id.button2:
   LayoutInflater inflater = getLayoutInflater();
   View layout = inflater.inflate(R.layout.custom_toast,
     (ViewGroup) findViewById(R.id.layoutid));

   ImageView iv = (ImageView) layout.findViewById(R.id.imageView1);
   TextView tv = (TextView) layout.findViewById(R.id.textView1);

   iv.setImageResource(R.drawable.ic_launcher);
   tv.setText("Displaying custom toast");

   Toast toast = new Toast(getApplicationContext());
   toast.setGravity(Gravity.BOTTOM, 0, 50);
   toast.setDuration(Toast.LENGTH_SHORT);
   toast.setView(layout);
   toast.show();
   break;
  }
 }
}

3. RUN