android四种不同的事件实现

EvenActivity.java

package com.mw.app.view.activity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;import androidx.annotation.Nullable;import androidx.appcompat.app.AppCompatActivity;import com.mw.app.R;public class EvenActivity extends AppCompatActivity implements View.OnClickListener{    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.event_layout);        Button event_layout_btn1 = findViewById(R.id.event_layout_btn1);        Button event_layout_btn2 = findViewById(R.id.event_layout_btn2);        Button event_layout_btn3 = findViewById(R.id.event_layout_btn3);        Button event_layout_btn4 = findViewById(R.id.event_layout_btn4);        event_layout_btn1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(getApplicationContext(),"匿名类",Toast.LENGTH_LONG).show();            }        });        event_layout_btn3.setOnClickListener(this);        event_layout_btn4.setOnClickListener(new EventServiceImpl());    }    public void eventOnclick(View view){        Toast.makeText(getApplicationContext(),"onclick属性事件",Toast.LENGTH_LONG).show();    }    @Override    public void onClick(View v) {        Toast.makeText(getApplicationContext(),"继承接口",Toast.LENGTH_LONG).show();    }    public class EventServiceImpl implements View.OnClickListener{        @Override        public void onClick(View v) {            Toast.makeText(getApplicationContext(),"实现类",Toast.LENGTH_LONG).show();        }    }}

event_layout.xml

<?xml version="1.0" encoding="utf-8"?>

android四种不同的事件实现_第1张图片

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