<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >
 
     <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@android:drawable/checkbox_on_background" />
    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="" />



</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
 
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="133dp"
        android:text="Button" />
 

</RelativeLayout>
 

package com.example.customtoast;



import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;


public class CToast extends Activity{


    private Context mContext;
    private Button mButton;
    private LinearLayout cToastView;
    private TextView toastTextView;

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


        setContentView(R.layout.main);

        mContext = this;

        toastTextView = (TextView) findViewById(R.id.textView1);
        mButton = (Button) findViewById(R.id.button1);





        mButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                showToast();
            }


        });



    }


    private void showToast() {
        // TODO Auto-generated method stub


        Toast mToast = new Toast(getApplicationContext());
        mToast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
        toastTextView.setText("message!!");
        mToast.setView(getLayoutInflater().inflate(R.layout.ctoast_view,null));
        mToast.setDuration(Toast.LENGTH_LONG);
        mToast.show();



    }


}

toastTextView.setText("message!!");