<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:padding="10dp"

    android:layout_width="match_parent"

    android:layout_height="match_parent">

    <Button

        android:id="@+id/button01_id"

        android:layout_marginTop="20dp"

        android:layout_gravity="center_horizontal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="显示自定义toast" />

    <Button

        android:id="@+id/button02_id"

        android:layout_marginTop="20dp"

        android:layout_gravity="center_horizontal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="显示可以控制显示时间的toast" />

    <Button

        android:id="@+id/button03_id"

        android:layout_marginTop="20dp"

        android:layout_gravity="center_horizontal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="显示由代码创建的toast" />

    <Button

        android:id="@+id/button04_id"

        android:layout_marginTop="20dp"

        android:layout_gravity="center_horizontal"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="在其他线程中的toast" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/toast_layout_id"

    android:orientation="vertical"

    android:padding="10dp"

    android:layout_width="200dp"

    android:layout_height="150dp"

    android:background="#000000">

    <ImageView

        android:id="@+id/image"

        android:layout_width="100dp"

        android:layout_height="100dp"

        android:layout_gravity="center_horizontal"

        android:src="@drawable/kale"/>

    <TextView

        android:id="@+id/text"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:text="toast"

        android:textColor="#FFF"/>

</LinearLayout>

package com.kale.toast;

import android.content.Context;

import android.os.Handler;

import android.view.View;

import android.widget.Toast;

/*

 * Toast自定义显示时间

 * 使用方法

 * 1.先初始化类 MyToast myToast = new MyToast(this);

 * 2.显示消息   myToast.setText("要显示的内容");//设置要显示的内容

 *             myToast.show(8000);  //传入消息显示时间，单位毫秒，最少2000毫秒，并且只能是2000的倍数。

 *             传入0时会一直显示，只有调用myToast.cancel();时才会取消。

 * 3.取消消息显示   myToast.cancel();

 * */

public class MyToast {

    private Context mContext = null;

    private Toast mToast = null;

    private Handler mHandler = null;

    private int duration = 0;

    private int currDuration = 0;

    private final int DEFAULT=2000;

    private Runnable mToastThread = new Runnable() {

    public void run() {

        mToast.show();

        mHandler.postDelayed(mToastThread, DEFAULT);// 每隔2秒显示一次

        if (duration != 0) {

            if (currDuration <= duration) {

                currDuration += DEFAULT;

            }

            else {

                cancel();

            }

        }

        }

    };

    public MyToast(Context context) {

        mContext = context;

        currDuration=DEFAULT;

        mHandler = new Handler(mContext.getMainLooper());

        mToast = Toast.makeText(mContext, "", Toast.LENGTH_LONG);

    }

    public void setText(String text) {

        mToast.setText(text);

    }

    public void show(int duration) {

        this.duration = duration;

        mHandler.post(mToastThread);

    }

    public void setGravity(int gravity, int xOffset, int yOffset){

        mToast.setGravity(gravity, xOffset, yOffset);

    }

    public void setDuration(int duration){

        mToast.setDuration(duration);

    }

    public void setView(View view){

        mToast.setView(view);

    }

    public void cancel( ) {

        mHandler.removeCallbacks(mToastThread);// 先把显示线程删除

        mToast.cancel();// 把最后一个线程的显示效果cancel掉，就一了百了了

        currDuration = DEFAULT;

    }

}

package com.kale.toast;

import android.app.Activity;

import android.os.Bundle;

import android.os.Looper;

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.LinearLayout;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

    Button btn01,btn02,btn03,btn04;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        viewInit();

        ButtonListener listener = new ButtonListener();

        btn01.setOnClickListener(listener);

        btn02.setOnClickListener(listener);

        btn03.setOnClickListener(listener);

        btn04.setOnClickListener(listener);

    }

    public class ButtonListener implements OnClickListener{

        @Override

        public void onClick(View v) {

            // TODO 自动生成的方法存根

            switch (v.getId()) {

            case R.id.button01_id:

                firstToast();

                break;

            case R.id.button02_id:

                secondToast();

                break;

            case R.id.button03_id:

                thirdToast();

                break;

            case R.id.button04_id:

                otherToast();

            default:

                break;

            }

        }

    }

    public void firstToast() {
//获取LayoutInflater对象，该对象能把XML文件转换为与之一直的View对象

        LayoutInflater inflater = getLayoutInflater();

        //根据指定的布局文件创建一个具有层级关系的View对象

        //第二个参数为View对象的根节点，即LinearLayout的ID

        View layout = inflater.inflate(R.layout.toast,

                (ViewGroup) findViewById(R.id.toast_layout_id));  

        //查找ImageView控件

        //注意是在layout中查找

        ImageView image = (ImageView) layout.findViewById(R.id.image);

        image.setImageResource(R.drawable.kale);

        TextView text = (TextView) layout.findViewById(R.id.text);

        text.setText("自定义Toast");  

          Toast toast = new Toast(getApplicationContext());

        //设置Toast的显示位置,后两个参数是偏移量

        toast.setGravity(Gravity.CENTER, 0, 100);

        toast.setView(layout);

        toast.setDuration(Toast.LENGTH_LONG);

        toast.show();

    }

    public void secondToast() {

        View view = getLayoutInflater().inflate(R.layout.toast, null);

        MyToast myToast = new MyToast(MainActivity.this);

        myToast.setText("显示时间为8000毫秒");//设置要显示的内容

        myToast.setView(view);

        myToast.show(8000);  //传入消息显示时间，单位毫秒，最少2000毫秒，并且只能是2000的倍数。

    }

    public void thirdToast() {

        ImageView image = new ImageView(getApplicationContext());

        image.setImageResource(R.drawable.ic_launcher);

        LinearLayout ll = new LinearLayout(getApplicationContext());

        ll.addView(image);

        Toast toast = new Toast(getApplicationContext());

        toast.setView(ll);

        toast.setDuration(0);

        toast.show();

    }

    public void otherToast() {

        System.out.println("other");

        new Thread(){

            @Override

            public void run() {

                 Looper.prepare();//先移除

                 Toast.makeText(getApplicationContext(),"在其他线程中的toast",Toast.LENGTH_SHORT).show();

                 Looper.loop();// 进入loop中的循环，查看消息队列

            }

         }.start();

    }

    private void viewInit() {

        btn01 = (Button)findViewById(R.id.button01_id);

        btn02 = (Button)findViewById(R.id.button02_id);

        btn03 = (Button)findViewById(R.id.button03_id);

        btn04 = (Button)findViewById(R.id.button04_id);

    }

}