public class LoginActivity extends AppCompatActivity {

      private void showCustomerToast(final int icon, final String message){

          LayoutInflater inflater=getLayoutInflater();    //通过获取LayoutInflater对象创建一个LayoutInflater接口对象

          View layout=inflater.inflate(R.layout.toast_customer, (ViewGroup) findViewById(R.id.toast_layout_root));  //使用Inflater对象中Inflater方法绑定自定义Toast的布局文件，同时指向该布局文件中跟标记节点

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

          toastIcon.setBackgroundResource(icon);

          TextView toastMessage = (TextView)layout.findViewById(R.id.toastMessage); //获取该布局文件中的TextView组件并为其动态赋值

          toastMessage.setText(message);

          Toast toast=new Toast(getApplicationContext());  //实例化一个Toast组件对象

          toast.setDuration(Toast.LENGTH_LONG);

          toast.setView(layout);  ////将设置好的定制布局与当前的Toast对象进行绑定

          toast.show();  //显示Toast组件

      }

 }
  

 private  class ViewOcl implements View.OnClickListener{

         @Override

         public void onClick (View v){

             switch (v.getId()){

                 case R.id.btnLogin:

                     String account=txtAccount.getText().toString().trim();

                     String password=txtPassword.getText().toString().trim();

                     boolean login_flag =false;

                     if (login_flag) {

                         showCustomerToast(android.R.drawable.ic_menu_call,"欢迎登录，" + account);  //在指定位置调用该方法

                         break;

                     }

                     else {

                         showCustomerToast(android.R.drawable.ic_delete,"账号或密码错误");  //在指定位置调用该方法

                     }

                     break;

              }

         }

 }