自定义Toast组件

.xml

    <LinearLayout 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:orientation="vertical"

    tools:context=".MainActivity" >

    <Button 

    android:id="@+id/mybut"

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="自定义显示Toast"/>

    

</LinearLayout>

package com.example.mytoastdemo;

import android.app.Activity;

import android.os.Bundle;

import android.view.Gravity;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.Toast;

public class MainActivity extends Activity {

private Button mybut=null;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

this.mybut=(Button) super.findViewById(R.id.mybut);

//设置事件

this.mybut.setOnClickListener(new OnClickListenerImp());

}

private class OnClickListenerImp implements OnClickListener{

public void onClick(View arg0) {

// TODO Auto-generated method stub

Toast mytoast=Toast.makeText(MainActivity.this, "安卓开发", Toast.LENGTH_LONG);

//设置显示对话框的位置

mytoast.setGravity(Gravity.CENTER_VERTICAL,0, 30);

//获取提示框的布局

LinearLayout myToastView=(LinearLayout) mytoast.getView();

//设置显示的图片

ImageView image=new ImageView(MainActivity.this);

image.setImageResource(R.drawable.ic_launcher);

//将图片添加到我们的消息布局

myToastView.addView(image,0);//0表示将图片显示在最前面

mytoast.show();

}

}

}