<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" ><Buttonandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="系统默认的吐丝"android:id="@+id/sys_btn" /><Buttonandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="自定义位置的吐丝"android:id="@+id/define_location_btn" /><Buttonandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="带图片的吐丝"android:id="@+id/define_img_btn" /><Buttonandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="完全自定义的吐丝"android:id="@+id/define_btn" /><Buttonandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="长时间显示的吐丝"android:id="@+id/long_btn" /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/toast_layout"android:layout_width="200dip"android:layout_height="fill_parent"android:background="#111111"android:orientation="vertical" ><TextViewandroid:id="@+id/txt_Title"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center|top"android:text="自定义标签"android:textColor="#ffffff"android:textSize="20dip" ></TextView><LinearLayoutandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:background="#999999"android:orientation="horizontal" ><ImageViewandroid:id="@+id/image_toast"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginRight="10dip"android:src="@drawable/ic_launcher" ></ImageView><TextViewandroid:id="@+id/txt_context"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center|right"android:text="这是个小机器人"android:textColor="#ffffff"android:textSize="15dip" ></TextView></LinearLayout></LinearLayout>

package com.ljgui.toast;import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.os.Bundle;
import android.view.Gravity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener {private Button btn1;private Button btn2;private Button btn3;private Button btn4;private Button btn5;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btn1 = (Button) findViewById(R.id.sys_btn);btn2 = (Button) findViewById(R.id.define_location_btn);btn3 = (Button) findViewById(R.id.define_img_btn);btn4 = (Button) findViewById(R.id.define_btn);btn5 = (Button) findViewById(R.id.long_btn);btn1.setOnClickListener(this);btn2.setOnClickListener(this);btn3.setOnClickListener(this);btn4.setOnClickListener(this);btn5.setOnClickListener(this);}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.sys_btn:Toast.makeText(MainActivity.this, "这是系统默认的吐丝", 0).show();break;case R.id.define_location_btn:Toast t = Toast.makeText(MainActivity.this, "这是自定义位置的吐丝", 0);t.setGravity(Gravity.CENTER, 0, 0);t.show();break;case R.id.define_img_btn:Toast t2 = Toast.makeText(MainActivity.this, "这是带图片的的吐丝", 0);t2.setGravity(Gravity.CENTER, 0, 0);LinearLayout ll = (LinearLayout) t2.getView();ImageView img = new ImageView(MainActivity.this);img.setImageResource(R.drawable.ic_launcher);ll.addView(img, 0);t2.show();break;case R.id.define_btn:View view = getLayoutInflater().inflate(R.layout.userdefinedtoast,(GridView) findViewById(R.id.toast_layout));Toast t4 = new Toast(getApplicationContext());t4.setDuration(0);t4.setView(view);t4.show();break;case R.id.long_btn:View view5 = getLayoutInflater().inflate(R.layout.userdefinedtoast,(GridView) findViewById(R.id.toast_layout));Builder b = new AlertDialog.Builder(MainActivity.this);b.setView(view5);b.create();b.show();break;}}
}