短视频平台源码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"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <Button        android:id="@+id/event_layout_btn1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20dp"        android:text="匿名类"></Button>     <Button        android:id="@+id/event_layout_btn2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20dp"        android:onClick="eventOnclick"        android:text="onclick属性"></Button>     <Button        android:id="@+id/event_layout_btn3"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20dp"        android:text="继承接口"></Button>     <Button        android:id="@+id/event_layout_btn4"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textSize="20dp"        android:text="实现类"></Button></LinearLayout>

更多相关文章

随机推荐