Android开发中怎么样实现自定义toast

//自定义布局的toast
customViewToast.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View v) {
    Toast toast = Toast.makeText(ToastTest.this, "top", Toast.LENGTH_SHORT);
    //此处只使用一个TextView，当然也可以使用更复杂的View
    TextView tv = new TextView(ToastTest.this);
    tv.setText("CustomView toast.");
    tv.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 20);
    tv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.abc_ic_menu_share_mtrl_alpha, 0, 0, 0);
    tv.setBackgroundColor(Color.parseColor("#ff88ff"));
    tv.setPadding(30, 10, 30, 10);
    tv.setGravity(Gravity.CENTER_VERTICAL);
    toast.setView(tv);
    toast.show();
  }
});