Android实验二简单事件处理

来源：互联网发布：联想关闭网络启动编辑：程序博客网时间：2024/05/23 15:44

activity_mian.xml:

<?xml version="1.0" encoding="utf-8"?><RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="zhku.edu.exp2_2.MainActivity"    android:id="@+id/relativelayout1">    <RelativeLayout        android:id="@+id/relativelayout2"        android:layout_width="match_parent"        android:layout_height="wrap_content">    <TextView        android:layout_width="match_parent"        android:layout_height="47dp"        android:id="@+id/title"        android:text="@string/signin_pro"        android:textSize="20sp"        android:gravity="center_vertical"        android:background="@drawable/top_bg"/>    </RelativeLayout>    <LinearLayout        android:id="@+id/linearlayout1"        android:layout_below="@+id/relativelayout2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        android:gravity="center_vertical"        >        <ImageView            android:id="@+id/profile"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="@drawable/profile"            />        <RadioGroup            android:id="@+id/radiogroup1"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="horizontal"            android:layout_toRightOf="@id/profile">            <RadioButton                android:id="@+id/student"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="@string/student"                android:checked="true"                />            <RadioButton                android:id="@+id/worker"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="@string/worker"/>        </RadioGroup>    </LinearLayout>    <LinearLayout        android:id="@+id/linearlayout2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="vertical"        android:layout_below="@+id/linearlayout1">        <EditText            android:layout_width="match_parent"            android:layout_height="55dp"            android:paddingLeft="10dp"            android:textSize="15sp"            android:singleLine="true"            android:id="@+id/username"            android:hint="姓名"            android:background="@drawable/single_edittext"/>        <EditText            android:layout_width="match_parent"            android:layout_height="45dp"            android:paddingLeft="10dp"            android:textSize="15sp"            android:singleLine="true"            android:id="@+id/phone"            android:hint="手机号"            android:inputType="phone"            android:background="@drawable/top_edittext"/>        <EditText            android:layout_width="match_parent"            android:layout_height="55dp"            android:paddingLeft="10dp"            android:textSize="15sp"            android:singleLine="true"            android:id="@+id/password"            android:hint="密码"            android:inputType="textPassword"            android:background="@drawable/bottom_edittext"/>    </LinearLayout>    <LinearLayout        android:id="@+id/linearlayout3"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="horizontal"        android:layout_below="@+id/linearlayout2">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:id="@+id/hobby"            android:text="@string/hobby"/>        <CheckBox            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:id="@+id/program"            android:text="@string/program"/>        <CheckBox            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:id="@+id/swim"            android:text="@string/swim"/>        <CheckBox            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:id="@+id/run"            android:text="@string/run"/>    </LinearLayout>    <Button        android:id="@+id/register"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/linearlayout3"        android:text="@string/register"        android:background="@drawable/dialog_up"        android:layout_centerHorizontal="true"        />    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/msg_show"/></RelativeLayout>string.xml：<resources>    <string name="app_name">exp2_2</string>    <string name="signin_pro">注册个人资料</string>    <string name="student">学生</string>    <string name="worker">工人</string>    <string name="hobby">兴趣：</string>    <string name="program">编程</string>    <string name="swim">游泳</string>    <string name="run">跑步</string>    <string name="register">注册</string></resources>

MainActivity.java

package zhku.edu.exp2_2;import android.app.Activity;import android.os.Bundle;import android.text.TextUtils;import android.view.View;import android.widget.Button;import android.widget.CheckBox;import android.widget.EditText;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {    private RadioGroup rg;    private Button btregister;    private RadioButton rbstudent;    private  RadioButton rbworker;    private EditText etname;    private EditText etphone;    private EditText etpassword;    private CheckBox cbprogram ;    private CheckBox cbswim ;    private CheckBox cbrun ;    private TextView tvshow;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        etname=(EditText) findViewById(R.id.username);        etphone=(EditText)findViewById(R.id.phone);        etpassword=(EditText)findViewById(R.id.password);        tvshow=(TextView) findViewById(R.id.msg_show);        cbprogram=(CheckBox)findViewById(R.id.program) ;        cbswim=(CheckBox)findViewById(R.id.swim) ;        cbrun=(CheckBox)findViewById(R.id.run) ;        btregister=(Button)findViewById(R.id.register);        rg=(RadioGroup)findViewById(R.id.radiogroup1) ;        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(RadioGroup group, int checkedId) {                RadioButton rb=(RadioButton)findViewById(checkedId);                String str=rb.getText().toString();                Toast.makeText(MainActivity.this,"你是"+str,Toast.LENGTH_SHORT).show();            }        });        btregister.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                String sName=etname.getText().toString().trim();                if(TextUtils.isEmpty(sName))                    tvshow.setText("用户名不能为空");                else                    tvshow.setText("你的用户名为："+sName);                if(etphone.length()==11||etphone.length()==8)                    tvshow.append(",手机号为："+etphone.getText().toString());                else                    tvshow.append("你的手机号不正确");                tvshow.append("你的爱好为：");                if(cbprogram.isChecked()) {                    tvshow.append("编程");                }                if(cbswim.isChecked()){                    tvshow.append("，游泳");                }                if(cbrun.isChecked()) {                    tvshow.append("，跑步");                }            }           });    }}

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