吐司Toast

Posted 2020-10-20 singlexc

• 调用Button

  1.res-layout: android:onClick="Button"

  2.src:public void Button(View view){ Toast.makeText(this,"内容"，1).show(); }

• 匿名类

  src:

    Button b1;
    b1=(Button)findViewById(R.id.button);
    b1.setOnClickListen(new OnClickListen){
    Toast.makeText("文件名".this,"内容"，1).show();}
  

• 内部类

  src:

    Button b1;
    b1.(Button)findViewById(R.id.button);
    button button=new Button();
    b1.setOnClickListen(button);
    class button impements OnClickListen{
        public void OnClick(View  arg0){
        Toast.makeText("文件名".this,"内容"，1).show();}