package com.example.hello;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
public class Deom_d3_CheckBox extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener, View.OnClickListener {
private CheckBox cb_one;
private CheckBox cb_two;
private CheckBox cb_three;
private Button btn_send;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.deom_d3);
cb_one = (CheckBox) findViewById(R.id.cb_one);
cb_two = (CheckBox) findViewById(R.id.cb_two);
cb_three = (CheckBox) findViewById(R.id.cb_three);
btn_send = (Button) findViewById(R.id.btn_send);
cb_one.setOnCheckedChangeListener(this);
cb_two.setOnCheckedChangeListener(this);
cb_three.setOnCheckedChangeListener(this);
btn_send.setOnClickListener(this);
}
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b)
{
if(compoundButton.isChecked())
Toast.makeText(this,compoundButton.getText().toString(),Toast.LENGTH_SHORT)
.show();
}
@Override
public void onClick(View view) {
String choose = "";
if(cb_one.isChecked())choose += cb_one.getText().toString() + "";
if(cb_two.isChecked())choose += cb_two.getText().toString() + "";
if(cb_three.isChecked())choose += cb_three.getText().toString() +
"";
Toast.makeText(this,choose,Toast.LENGTH_SHORT).show();
}
@Override
public void onPointerCaptureChanged(boolean hasCapture) {
}
}
我这边他不显示效果图也不知道出了什么问题我看别人就是这么打的但我就在自定义勾选框效果上出现问题
程序可以正常运行就是勾选框没了