android 09

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/tv"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:clickable="true"
        android:onClick="onclick"
        android:text="hello android" />

    <ImageView
        android:id="@+id/iv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="onclick"
        android:src="@drawable/ic_launcher" />

    <RadioGroup
        android:id="@+id/rg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="onclick"
        android:orientation="horizontal" >

        <RadioButton
            android:id="@+id/rbMale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:onClick="onclick"
            android:text="男" />

        <RadioButton
            android:id="@+id/rbFemale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:onClick="onclick"
            android:text="女" />

        <CheckBox
            android:id="@+id/chkMale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:onClick="onclick"
            android:text="变男" />

        <CheckBox
            android:id="@+id/chkFemale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:onClick="onclick"
            android:text="变女" />
    </RadioGroup>

</LinearLayout>

package com.sxt.day03_01;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.TextView;

public class MainActivity extends Activity {
    RadioButton mrbMale,mrbFemale;
    RadioGroup mrg;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
    }
    
    private void initView() {
        mrbMale=(RadioButton) findViewById(R.id.rbMale);
        mrbFemale=(RadioButton) findViewById(R.id.rbFemale);
        mrg=(RadioGroup) findViewById(R.id.rg);
        setListener();
    }

    private void setListener() {
        mrg.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                switch (checkedId) {
                case R.id.chkMale:
                    mrbMale.setChecked(true);
                    break;
                case R.id.chkFemale:
                    mrbFemale.setChecked(true);
                    break;
                }
            }
        });
    }

    public void onclick(View v){
        switch (v.getId()) {
        case R.id.tv:
            TextView tv=(TextView) v;
            Log.i("main", tv.getText().toString());
            tv.setTextColor(Color.RED);
            break;
        case R.id.iv:
            ImageView iv=(ImageView) v;
            iv.setImageResource(R.drawable.p01);
            break;
        case R.id.chkMale:
            CheckBox chkMale=(CheckBox) v;
            mrbMale.setChecked(chkMale.isChecked());
            mrbFemale.setChecked(!chkMale.isChecked());
            break;
        case R.id.chkFemale:
            CheckBox chkFemale=(CheckBox) v;
            mrbFemale.setChecked(chkFemale.isChecked());
            mrbMale.setChecked(!chkFemale.isChecked());
            break;
        }
    }
}

 注册：

<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" 
    android:orientation="horizontal"
    android:columnCount="5">
    
    <TextView 
        android:text="用 户 名"/>
    <EditText
        android:id="@+id/etUserName" 
        android:hint="2-10个字符"
        android:layout_columnSpan="4"
        android:layout_gravity="fill_horizontal"/>
    <TextView 
        android:text="输入密码"/>
    <EditText 
        android:id="@+id/etPwd"
        android:hint="2-10个字符"
        android:layout_columnSpan="4"
        android:password="true"
        android:layout_gravity="fill_horizontal"/>
    <TextView 
        android:text="确认密码"/>
    <EditText 
        android:id="@+id/etFirmPwd"
        android:hint="2-10个字符"
        android:layout_columnSpan="4"
        android:password="true"
        android:layout_gravity="fill_horizontal"/>
    <TextView 
        android:layout_marginTop="10dp"
        android:text="选择性别"/>
    <RadioGroup 
        android:layout_marginLeft="10dp"
        android:layout_columnSpan="4"
        android:layout_gravity="fill_horizontal"
        android:orientation="horizontal">
        <RadioButton 
            android:id="@+id/rbMale"
            android:text="男"
            android:checked="true"/>
        <RadioButton 
            android:id="@+id/rbFemale"
            android:text="女"/>
    </RadioGroup>
    <TextView 
        android:text="所在地"/>
    <Spinner 
        android:id="@+id/spinCity"
        android:layout_columnSpan="4"
        android:entries="@array/citys"/>
    <TextView 
        android:layout_marginTop="10dp"
        android:text="选择爱好"/>
    <RadioGroup 
        android:layout_columnSpan="4"
        android:orientation="horizontal">
        <CheckBox 
            android:id="@+id/chkReadBook"
            android:text="读书"
            android:checked="true"/>
        <CheckBox 
            android:id="@+id/chkTour"
            android:text="旅游"/>
        <CheckBox 
            android:id="@+id/chkGame"
            android:text="电玩"/>
    </RadioGroup>
    <Button 
        android:visibility="invisible"/>
    <Button 
        android:id="@+id/btnRegister"
        android:onClick="onClick"
        android:text="注册"
        android:textColor="#fff"
        android:padding="3dp"
        android:drawableLeft="@drawable/login32x32"
        android:background="@drawable/btn_bg"/>
    <Button 
        android:visibility="invisible"/>
    <Button 
        android:id="@+id/btnExit"
        android:onClick="onClick"
        android:text="退出"
        android:textColor="#fff"
        android:padding="3dp"
        android:drawableLeft="@drawable/exit32x32"
        android:background="@drawable/btn_bg"/>
    <Button 
        android:visibility="invisible"/>
</GridLayout>

package com.sxt.day03_02_registerdemo;

import com.sxt.day03_02_registerdemo.entity.User;

import android.os.Bundle;
import android.app.Activity;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Spinner;
import android.widget.Toast;

public class MainActivity extends Activity {
    EditText metUserName,metPwd,metFirmPwd;
    RadioButton mrbMale,mrbFemale;
    CheckBox mchkReadBook,mchkGame,mchkTour;
    Spinner mspinCity;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        metFirmPwd=(EditText) findViewById(R.id.etFirmPwd);
        metPwd=(EditText) findViewById(R.id.etPwd);
        metUserName=(EditText) findViewById(R.id.etUserName);
        
        mrbFemale=(RadioButton) findViewById(R.id.rbFemale);
        mrbMale=(RadioButton) findViewById(R.id.rbMale);
        
        mchkGame=(CheckBox) findViewById(R.id.chkGame);
        mchkReadBook=(CheckBox) findViewById(R.id.chkReadBook);
        mchkTour=(CheckBox) findViewById(R.id.chkTour);
        
        mspinCity=(Spinner) findViewById(R.id.spinCity);
        
    }
    
    public void onClick(View v){
        switch (v.getId()) {
        case R.id.btnExit:
            finish();//关闭当前的Activity
            break;
        case R.id.btnRegister:
            String name=metUserName.getText().toString();
            if(TextUtils.isEmpty(name)){
                Toast.makeText(this, "用户名不能为空", 2000).show();
                return ;
            }
            String pwd=metPwd.getText().toString();
            if(TextUtils.isEmpty(pwd)){
                metPwd.setError("请输出密码");
                return ;
            }
            String firmPwd=metFirmPwd.getText().toString();
            if(TextUtils.isEmpty(firmPwd)){
                metFirmPwd.setError("确认密码不能为空");
                return ;
            }
            if(!pwd.equals(firmPwd)){
                Toast.makeText(this, "确认密码与密码不一致", 2000).show();
                return ;
            }
            char sex;
            if(mrbMale.isChecked()){
                sex=mrbMale.getText().toString().charAt(0);
            }else{
                sex=mrbFemale.getText().toString().charAt(0);
            }
            StringBuilder sb=new StringBuilder();
            if(mchkGame.isChecked()){
                sb.append(mchkGame.getText().toString());
            }
            if(mchkReadBook.isChecked()){
                sb.append(",").append(mchkReadBook.getText().toString());
            }
            if(mchkTour.isChecked()){
                sb.append(",").append(mchkTour.getText().toString());
            }
            String city=mspinCity.getSelectedItem().toString();
            User user=new User(name, pwd, sex, sb.toString(), city); 
            Toast.makeText(this, "注册用户:"+user.toString(), 4000).show();
            Log.i("main",user.toString());
            break;
        }
    }


}

public class User {

    private String name;
    private String pwd;
    private char sex;
    private String hobby;//爱好
    private String city;

    public String getName() {
        retu