Android使用Toast顯示消息提示框

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:orientation="vertical" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent" 
 android:id="@+id/layout1" 
 android:gravity="center_horizontal" 
 > 
 
</LinearLayout> 

package com.example.test; 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.view.Gravity; 
import android.widget.ImageView; 
import android.widget.LinearLayout; 
import android.widget.TextView; 
import android.widget.Toast; 
 
public class MainActivity extends Activity { 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.main); 
   
  //通過makeText方法創(chuàng)建消息提示框 
  Toast.makeText(MainActivity.this, "我是通過makeText方法創(chuàng)建的消息提示框", Toast.LENGTH_SHORT).show(); 
   
  //通過Toast類的構(gòu)造方法創(chuàng)建消息提示框 
  Toast toast=new Toast(this); 
  toast.setDuration(Toast.LENGTH_SHORT);//設(shè)置持續(xù)時間 
  toast.setGravity(Gravity.CENTER,0, 0);//設(shè)置對齊方式 
  LinearLayout ll=new LinearLayout(this);//創(chuàng)建一個線性布局管理器 
  ImageView imageView=new ImageView(this); 
  imageView.setImageResource(R.drawable.stop); 
  imageView.setPadding(0, 0, 5, 0); 
  ll.addView(imageView); 
  TextView tv=new TextView(this); 
  tv.setText("我是通過構(gòu)造方法創(chuàng)建的消息提示框"); 
  ll.addView(tv); 
  toast.setView(ll);//設(shè)置消息提示框中要顯示的視圖 
  toast.show();//顯示消息提示框 
 } 
}