友情链接:菜鸟教程
实例代码:
package com.hsj.example.toastdemo05; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.Gravity; import android.view.View; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } /** * 简单土司的用法 * @param view */ public void simple(View view){ //1.得到土司对象,传递三个参数:A: 上下文对象;B:土司显示的消息内容;C:土司显示的时长 //Toast toast=Toast.makeText(this,"我是简单土司",Toast.LENGTH_LONG); Toast toast=Toast.makeText(this,"我是简单土司",Toast.LENGTH_SHORT); toast.show(); } /** * 自定义土司的显示位置 * @param view */ public void customerPosition(View view){ Toast toast=Toast.makeText(this,"我是简单土司",Toast.LENGTH_SHORT); //自定义土司的显示位置 //toast.setGravity(Gravity.HORIZONTAL_GRAVITY_MASK,0,0); //toast.setGravity(Gravity.CENTER,100,100); //toast.setGravity(Gravity.TOP|Gravity.RIGHT,0,0); toast.setGravity(Gravity.BOTTOM|Gravity.LEFT,0,0); toast.show(); } /** * 自定义土司的布局对象 * @param view */ public void customerView(View view){ //1.实例化土司对象 Toast toast=new Toast(this); //2.设置土司的显示位置 toast.setGravity(Gravity.CENTER,0,0); //3.设置土司的显示时长 toast.setDuration(Toast.LENGTH_LONG); //4.设置土司显示的内容 //toast.setText("我是自定义土司");//如果设置土司显示的内容则必须使用Toast.makeText()方法创建土司,否则报异常:This Toast was not created with Toast.makeText() View toastView=View.inflate(this,R.layout.customer_toast_view,null); ImageView imageView_header= (ImageView) toastView.findViewById(R.id.imageView_header); imageView_header.setImageResource(R.drawable.p); TextView textView_name= (TextView) toastView.findViewById(R.id.textView_name); textView_name.setText("郑爽好美"); //如果没有给土司设置显示内容,则必须设置土司的view 对象 toast.setView(toastView); //5.显示土司 toast.show(); } }