安卓之button按钮

一、需求

　　短按按钮时显示  您点击了控件：Button

　　长按按钮时显示  您点击了控件：Button

二、布局xml文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

   <Button
       android:id="@+id/btn_click"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:layout_marginStart="100dp"
       android:layout_marginTop="100dp"
       android:text="Button" />
</LinearLayout>

三、java代码文件

package com.example.button;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button btn_click = findViewById(R.id.btn_click);
        btn_click.setOnClickListener(new MyOnClickListener());
        btn_click.setOnLongClickListener(new MyOnLongClickListener());
    }

    class MyOnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            if (v.getId() == R.id.btn_click) {
                Toast.makeText(MainActivity.this, "您点击了控件："
                        + ((TextView) v).getText(), Toast.LENGTH_SHORT).show();
            }
        }
    }

    class MyOnLongClickListener implements View.OnLongClickListener {
        @Override
        public boolean onLongClick(View v) {
            if (v.getId() == R.id.btn_click) {
                Toast.makeText(MainActivity.this, "您长按了控件："
                        + ((TextView) v).getText(), Toast.LENGTH_SHORT).show();
            }
            return true;
        }
    }
}