MainActivity

package com.example.lenovo.myapplication;import android.provider.MediaStore;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.Switch;import android.widget.Toast;import android.widget.ToggleButton;public class TextActivity1 extends AppCompatActivity {    RadioGroup rg_1;    RadioButton nan;    RadioButton nv;    CheckBox cb_1;    CheckBox cb_2;    ToggleButton tb_1;    Switch sw_1;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_text1);        rg_1=(RadioGroup)findViewById(R.id.rg_1);        nan=(RadioButton)findViewById(R.id.nan);        nv=(RadioButton)findViewById(R.id.nv);        cb_1=(CheckBox)findViewById(R.id.cb_1);        cb_2=(CheckBox)findViewById(R.id.cb_2);        tb_1=(ToggleButton)findViewById(R.id.tb_1);        sw_1=(Switch)findViewById(R.id.sw_1);        tb_1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                Toast.makeText(TextActivity1.this, "ToggleButton开关状态："+(isChecked?"开":"关"), Toast.LENGTH_SHORT).show();            }        });        sw_1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                Toast.makeText(TextActivity1.this, "Switch开关状态："+(isChecked?"开":"关"), Toast.LENGTH_SHORT).show();            }        });        //加监听器.监听器的实例        CB_OnCheckedChangeListener cb1=new CB_OnCheckedChangeListener();        //监听器绑定        cb_1.setOnCheckedChangeListener(cb1);        cb_2.setOnCheckedChangeListener(cb1);        rg_1.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            //被选中的组件id。RadioButton的id            public void onCheckedChanged(RadioGroup group, int checkedId) {                //提示选中的内容                //判断谁被选中                if (checkedId==nan.getId())                {                    Toast.makeText(TextActivity1.this, "选中的是："+nan.getText(), Toast.LENGTH_SHORT).show();                }                else if (checkedId==nv.getId())                {                    Toast.makeText(TextActivity1.this, "选中的是："+nv.getText(), Toast.LENGTH_SHORT).show();                }            }        });    }    //公共的复选按钮的监听器    class CB_OnCheckedChangeListener implements CompoundButton.OnCheckedChangeListener    {        @Override        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {            CheckBox cb=(CheckBox)buttonView;            String str=cb.getText().toString();            if (isChecked)            {                Toast.makeText(TextActivity1.this, "被选中", Toast.LENGTH_SHORT).show();            }            else            {                Toast.makeText(TextActivity1.this, "被取消选中", Toast.LENGTH_SHORT).show();            }        }    }}

 

 

activity_main