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Android : Toast Example

Tutorial by:      Date: 2018-01-17 10:02:30

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To show information for a short while, the underoridized toast can be used. A toast is displayed in the message that it is displayed quickly and disappears after some time.

The Android.widget.Toast class is the subdivision of the java.lang.Object class.

You can also create custom toasts, for example to see the toast displayed image for the custom toast you can go to the next page.

Toast class

Toast class is used to show notifications for a particular interval. After some time it disappears, it does not block the user interaction.

Constants of Toast class

There are only 2 constants of Toast class which are given below.

Constant Description
public static final int LENGTH_LONG displays view for the long duration of time.
public static final int LENGTH_SHORT displays view for the short duration of time.

Methods of Toast class

The widely used methods of Toast class are given below.

Method Description
public static Toast makeText(Context context, CharSequence text, int duration) makes the toast containing text and duration.
public void show() displays toast.
public void setMargin (float horizontalMargin, float verticalMargin) changes the horizontal and vertical margin difference.

Android Toast Example

Toast.makeText(getApplicationContext(),"Hello fastread",Toast.LENGTH_SHORT).show();  

Another code:


Toast toast=Toast.makeText(getApplicationContext(),"Hello fastread",Toast.LENGTH_SHORT);  
toast.setMargin(50,50);  
toast.show();  

Here, getApplicationContext() method returns the instance of Context.

Full code of activity class displaying Toast

Let's see the code to display the toast.

File: MainActivity.java

package com.example.toast;  
import android.os.Bundle;  
import android.app.Activity;  
import android.view.Menu;  
import android.view.View;  
import android.widget.Toast;  
public class MainActivity extends Activity {  
     @Override  
        public void onCreate(Bundle savedInstanceState) {  
            super.onCreate(savedInstanceState);  
            setContentView(R.layout.activity_main);               
        //Displaying Toast with Hello fastread message  
            Toast.makeText(getApplicationContext(),"Hello fastread",Toast.LENGTH_SHORT).show();  
        }  
        @Override  
        public boolean onCreateOptionsMenu(Menu menu) {  
            getMenuInflater().inflate(R.menu.activity_main, menu);  
            return true;  
        }  
} 

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