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  • android 10 事件

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    
        <Button
            android:id="@+id/btnLogin"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="登陆" 
            android:onClick="onClick"/>
    
    </RelativeLayout>
    package com.sxt.day03_03;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    
    public class MainActivity extends Activity {
        Button mbtnLogin;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            initView();
            
            setListener();//设置监听器
        }
    
        private void setListener() {
            //预存一段按钮点击事件的响应代码
            mbtnLogin.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    Log.i("main","执行登陆操作");
                }
            });
        }
    
        private void initView() {
            mbtnLogin=(Button) findViewById(R.id.btnLogin);
        }
    }
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  • 原文地址:https://www.cnblogs.com/yaowen/p/4883817.html
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