利用课余时间随便写的一个小东西，都是一起学习。
先上图：
package com.example.nanchen.listviewdemo.adapter; import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.TextView; import com.example.nanchen.listviewdemo.adapter_content.Msg;
import com.example.nanchen.listviewdemo.R; import java.util.List; /**
* Created by nanchen on 2016/3/28.
*
*/
public class MsgAdapter extends ArrayAdapter<Msg> {
private int resourceId; public MsgAdapter(Context context, int resource, List<Msg> objects) {
super(context, resource, objects);
resourceId = resource;
} @Override
public View getView(int position, View convertView, ViewGroup parent) {
Msg msg = getItem(position);
viewHolder viewHolder;
if(convertView == null){
convertView = LayoutInflater.from(getContext()).inflate(resourceId,null);
viewHolder = new viewHolder();
viewHolder.leftLayout = (LinearLayout) convertView.findViewById(R.id.left_layout);
viewHolder.rightLayout = (LinearLayout) convertView.findViewById(R.id.right_layout);
viewHolder.leftMsg = (TextView) convertView.findViewById(R.id.left_msg);
viewHolder.rightMsg = (TextView) convertView.findViewById(R.id.right_msg);
convertView.setTag(viewHolder);
}else{
viewHolder = (MsgAdapter.viewHolder) convertView.getTag();
}
if (msg.getType() == Msg.TYPE_RECEIVED){//若是收到的消息，则隐藏右布局，显示左布局
viewHolder.leftLayout.setVisibility(View.VISIBLE);
viewHolder.rightLayout.setVisibility(View.GONE);
viewHolder.leftMsg.setText(msg.getContent());
}else if(msg.getType() == Msg.TYPE_SENT){
viewHolder.leftLayout.setVisibility(View.GONE);
viewHolder.rightLayout.setVisibility(View.VISIBLE);
viewHolder.rightMsg.setText(msg.getContent());
}
return convertView;
}
class viewHolder{
LinearLayout leftLayout;
LinearLayout rightLayout;
TextView leftMsg;
TextView rightMsg;
}
}
package com.example.nanchen.listviewdemo.adapter; import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView; import com.example.nanchen.listviewdemo.adapter_content.Person;
import com.example.nanchen.listviewdemo.R; import java.util.List; /**
*
* Created by nanchen on 2016/3/22.
*/
public class PersonAdapter extends ArrayAdapter<Person> { private int resourceId; public PersonAdapter(Context context, int textViewResourceId, List<Person> objects) {
super(context, textViewResourceId, objects);
resourceId = textViewResourceId;
} @Override
public View getView(int position, View convertView, ViewGroup parent) {
Person person = getItem(position);
ViewHolder viewHolder;
if(convertView == null){
convertView = LayoutInflater.from(getContext()).inflate(resourceId ,null);
viewHolder = new ViewHolder();
viewHolder.imageView_person = (ImageView) convertView.findViewById(R.id.imageView_person);
viewHolder.textView_name = (TextView) convertView.findViewById(R.id.textView_name);
convertView.setTag(viewHolder);
}else{
// view = convertView;
viewHolder = (ViewHolder) convertView.getTag();
}
viewHolder.imageView_person.setImageResource(person.getImageId());
viewHolder.textView_name.setText(person.getName());
return convertView;
} class ViewHolder{
ImageView imageView_person;
TextView textView_name;
}
}
package com.example.nanchen.listviewdemo.adapter_content; /**
* Created by nanchen on 2016/3/28.
* 存储消息类型和内容的类
*/
public class Msg {
public static final int TYPE_RECEIVED = 0;
public static final int TYPE_SENT = 1;
private String content;
private int type; public Msg(String content, int type) {
this.content = content;
this.type = type;
} public String getContent() {
return content;
} public int getType() {
return type;
}
}
package com.example.nanchen.listviewdemo.adapter_content; /**
* Created by nanchen on 2016/3/22.
*/
public class Person {
private String name;
private int imageId; public Person(String name, int imageId) {
this.name = name;
this.imageId = imageId;
} public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public int getImageId() {
return imageId;
} public void setImageId(int imageId) {
this.imageId = imageId;
}
}
package com.example.nanchen.listviewdemo.data; import android.os.Parcel;
import android.os.Parcelable; /**
*
* Created by nanchen on 2016/3/22.
*/
public class User implements Parcelable { private String userName;
private String pwd; public String getPwd() {
return pwd;
} public void setPwd(String pwd) {
this.pwd = pwd;
} public String getUserName() {
return userName;
} public void setUserName(String userName) {
this.userName = userName;
} @Override
public int describeContents() {
return 0;
} @Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(userName);
dest.writeString(pwd);
} //对象的创建器
public static final Parcelable.Creator<User> CREATOR = new Parcelable.Creator<User>(){ @Override
public User createFromParcel(Parcel source) {
User user = new User();
user.userName = source.readString();
user.pwd = source.readString();
return user;
} @Override
public User[] newArray(int size) {
return new User[0];
}
};
}
package com.example.nanchen.listviewdemo; import android.app.Activity; import java.util.ArrayList;
import java.util.List; /**
* Created by nanchen on 2016/3/28.
* 退出程序的最佳方案，写一个活动收集器
*/
public class ActivityCollector {
public static List<Activity> activities = new ArrayList<>(); public static void addActivity(Activity activity){
activities.add(activity);
} public static void removeActivity(Activity activity){
activities.remove(activity);
} public static void finishAll(){
for (Activity activity:activities){
if (!activity.isFinishing()){
activity.finish();
}
}
}
}
package com.example.nanchen.listviewdemo; import android.app.Activity;
import android.os.Bundle;
import android.util.Log; /**
* Created by nanchen on 2016/3/28.
* 用于知晓当前是在哪一个活动
* 活动的最佳写法
*/
public class BaseActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("BaseActivity", getClass().getSimpleName());
ActivityCollector.addActivity(this);
} @Override
protected void onDestroy() {
super.onDestroy();
ActivityCollector.removeActivity(this);
}
}
package com.example.nanchen.listviewdemo; import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast; import com.example.nanchen.listviewdemo.adapter.MsgAdapter;
import com.example.nanchen.listviewdemo.adapter_content.Msg; import java.util.ArrayList;
import java.util.List; public class ChatActivity extends BaseActivity { private ListView listView_msg;
private EditText editText_input;
private Button button_send,button_back,button_add;
private MsgAdapter msgAdapter;
private List<Msg> msgList = new ArrayList<>();
private TextView textView_person_name; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_chat); initMsg();
msgAdapter = new MsgAdapter(this,R.layout.msg_item,msgList);
listView_msg = (ListView) findViewById(R.id.listView_msg);
listView_msg.setAdapter(msgAdapter); editText_input = (EditText) findViewById(R.id.editText_send);
editText_input.clearFocus();
button_send = (Button) findViewById(R.id.button_send);
button_send.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String content = editText_input.getText().toString();
if(content.isEmpty()){//用户输入消息为空，则弹出一个警告框
final AlertDialog.Builder builder = new AlertDialog.Builder(ChatActivity.this);
builder.setTitle("警告");
builder.setMessage("输入的消息不能为空！");
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
builder.show();
}else{
Msg msg = new Msg(content,Msg.TYPE_SENT);
msgList.add(msg);
msgAdapter.notifyDataSetChanged();//当有新消息时，刷新ListView中的显示
listView_msg.setSelection(msgList.size());//将ListView定位到最后一行
editText_input.setText("");//清空输入框中的内容 }
}
}); button_back = (Button) findViewById(R.id.button_back);
button_back.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
button_add = (Button) findViewById(R.id.button_add);
button_add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(ChatActivity.this,"你点击了添加按钮!!!",Toast.LENGTH_SHORT).show();
}
}); textView_person_name = (TextView) findViewById(R.id.textView_person_name);
Intent intent = getIntent();
String person_name = intent.getStringExtra("PERSON_NAME");
textView_person_name.setText(person_name);
} private void initMsg() {
Msg msg = new Msg("Hello!",Msg.TYPE_SENT);
msgList.add(msg);
Msg msg1 = new Msg("Hello!How are you?",Msg.TYPE_RECEIVED);
msgList.add(msg1);
Msg msg2 = new Msg("I am fine,and you?",Msg.TYPE_SENT);
msgList.add(msg2);
Msg msg3 = new Msg("I am ok!",Msg.TYPE_RECEIVED);
msgList.add(msg3);
}
}
package com.example.nanchen.listviewdemo; import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Toast; import com.example.nanchen.listviewdemo.data.User; public class LoginActivity extends BaseActivity { private EditText editText_userName,editText_pwd;
private CheckBox checkBox_pwd,checkBox_autoLogin;
private SharedPreferences sp;
private ImageButton imageButton_exit;
private Button button_login;
private String userName,pwd;
private Button button_regist; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login); //获得实例对象
sp = this.getSharedPreferences("userInfo", Context.MODE_PRIVATE);
editText_userName = (EditText) findViewById(R.id.editText_userName);
editText_pwd = (EditText) findViewById(R.id.editText_pwd);
imageButton_exit = (ImageButton) findViewById(R.id.ib_exit);
button_login = (Button) findViewById(R.id.button_login);
checkBox_autoLogin = (CheckBox) findViewById(R.id.checkBox_autoLogin);
checkBox_pwd = (CheckBox) findViewById(R.id.checkBox_pwd);
button_regist = (Button) findViewById(R.id.button_regist1); //判断记住密码框状态
if(sp.getBoolean("ISCHECK",false)){//false是默认值
//设置默认是选择状态
checkBox_pwd.setChecked(true);
userName = sp.getString("USER_NAME","");
pwd = sp.getString("PWD","");
editText_userName.setText(userName);
editText_pwd.setText(pwd); //判断自动登录复选框状态
if(sp.getBoolean("AUTO_ISCHECK",false)){ //设置自动登录框状态
checkBox_autoLogin.setChecked(true); Intent intent = new Intent(LoginActivity.this,MainActivity.class);
startActivity(intent);
}
} button_login.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
userName = editText_userName.getText().toString();
pwd = editText_pwd.getText().toString(); if(TextUtils.isEmpty(userName) || TextUtils.isEmpty(pwd)){//如果用户名或者密码为空
Toast.makeText(LoginActivity.this, "用户名或密码不能为空！", Toast.LENGTH_SHORT).show();
}else {
if(userName.equals("liushilin") && pwd.equals("luochunyan")){
Toast.makeText(LoginActivity.this,"登录成功！正在获取用户信息...",Toast.LENGTH_SHORT).show(); //如果用户选择记住密码，则把用户信息存在xml文件中
if(checkBox_pwd.isChecked()){
SharedPreferences.Editor editor = sp.edit();
editor.putString("USER_NAME",userName);
editor.putString("PWD",pwd);
editor.commit();
} //主界面的跳转
Intent intent = new Intent(LoginActivity.this,MainActivity.class); // intent.putExtra("USER_NAME",userName);
// intent.putExtra("PWD",pwd); User user = new User();
user.setUserName(userName);
user.setPwd(pwd); intent.putExtra("USER",user); startActivity(intent);
}else{
Toast.makeText(LoginActivity.this,"用户名或密码不正确，请重新输入！",Toast.LENGTH_SHORT).show();
}
}
}
}); //监听记住密码复选框的按钮事件
checkBox_pwd.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
SharedPreferences.Editor editor = sp.edit();
if(checkBox_pwd.isChecked()){
editor.putBoolean("ISCHECK", true).commit();
}else{
editor.putBoolean("ISCHECK",false).commit();
} }
}); //监听自动登录按钮事件
checkBox_autoLogin.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(checkBox_autoLogin.isChecked()){
sp.edit().putBoolean("AUTO_ISCHECK",true).commit();
}else {
sp.edit().putBoolean("AUTO_ISCHECK",false).commit();
}
}
}); //监听退出按钮事件
imageButton_exit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// finish();
ActivityCollector.finishAll();//退出当前应用程序
}
}); button_regist.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(LoginActivity.this,RegistActivity.class));
}
});
} }
package com.example.nanchen.listviewdemo; import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ListView; import com.example.nanchen.listviewdemo.adapter.PersonAdapter;
import com.example.nanchen.listviewdemo.adapter_content.Person; import java.util.ArrayList;
import java.util.List; /**
* 使用线程机制模拟下拉加载数据的ListView控件使用
*/
public class MainActivity extends BaseActivity implements AbsListView.OnScrollListener{
private static final int DATA_UPDATE = 0x1;
private ListView listView;
private List<Person> personList = new ArrayList<>();
private PersonAdapter personAdapter; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main); listView = (ListView) findViewById(R.id.listView);
listView.setOnScrollListener(this); View footerView = getLayoutInflater().inflate(R.layout.loading_layout,null);
listView.addFooterView(footerView);
initData(); personAdapter = new PersonAdapter(this,R.layout.list_item,personList);
listView.setAdapter(personAdapter); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // Toast.makeText(MainActivity.this,"你选择了"+personList.get(position).getName(),Toast.LENGTH_SHORT).show();
Intent intent = new Intent(MainActivity.this,ChatActivity.class);
intent.putExtra("PERSON_NAME",personList.get(position).getName());
startActivity(intent);
}
}); } /**
* 初始化数据
*/
private void initData(){
Person person1 = new Person("刘世麟",R.mipmap.a_1);
personList.add(person1);
Person person2 = new Person("罗春燕",R.mipmap.a_2);
personList.add(person2);
Person person3 = new Person("王足英",R.mipmap.a_3);
personList.add(person3);
Person person4 = new Person("蔡何",R.mipmap.a_4);
personList.add(person4);
Person person5 = new Person("李兴",R.mipmap.a_5);
personList.add(person5);
Person person6 = new Person("李强",R.mipmap.a_6);
personList.add(person6);
Person person7 = new Person("李添顺",R.mipmap.a_7);
personList.add(person7);
Person person8 = new Person("晏贵秀",R.mipmap.a_8);
personList.add(person8);
Person person9 = new Person("周芳",R.mipmap.a_9);
personList.add(person9);
Person person10 = new Person("韩思明",R.mipmap.a_10);
personList.add(person10);
Person person11 = new Person("晏蜀杰",R.mipmap.a_11);
personList.add(person11);
Person person12 = new Person("马巍乃",R.mipmap.a_12);
personList.add(person12);
} private int visibleLastIndex;//用来可显示的最后一条数据的索引
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
if(personAdapter.getCount() == visibleLastIndex && scrollState == SCROLL_STATE_IDLE){
new LoadDataThread().start();
}
} @Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
visibleLastIndex = firstVisibleItem + visibleItemCount - 1;//减去最后一个加载中那条
} /**
* 线程间通信的机制
*/
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what){
case DATA_UPDATE:
personAdapter.notifyDataSetChanged();
break;
}
}
}; /**
* 模拟加载数据的线程
*/
class LoadDataThread extends Thread{
@Override
public void run() {
initData();
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}
handler.sendEmptyMessage(DATA_UPDATE);//通过handler发送一个更新数据的标记
}
} }
package com.example.nanchen.listviewdemo; import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.view.View;
import android.widget.Button; public class RegistActivity extends BaseActivity { private Button button_regist;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_regist);
button_regist = (Button) findViewById(R.id.button_regist);
button_regist.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(RegistActivity.this);
builder.setTitle("注册");
builder.setMessage("确认注册吗？");
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startActivity(new Intent(RegistActivity.this, LoginActivity.class));
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startActivity(new Intent(RegistActivity.this, LoginActivity.class));
}
});
builder.show();
}
});
}
}
package com.example.nanchen.listviewdemo; import android.content.Intent;
import android.os.Bundle;
import android.os.Handler; public class SplashActivity extends BaseActivity { // private static final int STATR_ACTIVITY = 0x1; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash);
// requestWindowFeature(Window.FEATURE_NO_TITLE);
// handler.sendEmptyMessageDelayed(STATR_ACTIVITY,2000);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(SplashActivity.this,LoginActivity.class));
}
},3000); } // private Handler handler = new Handler(){
// @Override
// public void handleMessage(Message msg) {
// super.handleMessage(msg);
// switch(msg.what){
// case STATR_ACTIVITY:
// startActivity(new Intent(SplashActivity.this,LoginActivity.class));
// break;
// }
// }
// };
}
<?xml version="1.0" encoding="utf-8"?>
<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"
tools:context="com.example.nanchen.listviewdemo.ChatActivity"> <LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="horizontal"
android:layout_weight="1"> <Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Back"
android:textAllCaps="false"
android:id="@+id/button_back"/> <TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:id="@+id/textView_person_name"
android:layout_weight="4"
android:gravity="center"
/> <Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="+"
android:textSize="18dp"
android:id="@+id/button_add"/> </LinearLayout> <ListView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="7"
android:id="@+id/listView_msg"> </ListView> <LinearLayout
android:layout_weight="1"
android:layout_width="match_parent"
android:orientation="horizontal"
android:layout_height="0dp"> <EditText
android:layout_width="0dp"
android:layout_weight="3"
android:id="@+id/editText_send"
android:hint="请输入你想输入的话.."
android:layout_height="wrap_content"/> <Button
android:layout_width="0dp"
android:layout_weight="1"
android:text="发送"
android:textSize="20dp"
android:id="@+id/button_send"
android:layout_height="wrap_content"/>
</LinearLayout> </LinearLayout>
<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"
android:background="@mipmap/logo_bg"
tools:context=".LoginActivity"
android:weightSum="1">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.53"
> <ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/ib_exit"
android:layout_alignParentRight="true"
android:src="@mipmap/quit"/> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用 户 名："
android:textSize="18dp"
android:paddingTop="18dp"
android:id="@+id/textView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"/> <EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/editText_userName"
android:hint="请输入用户名..."
android:layout_below="@+id/textView"
android:layout_alignParentStart="true"
android:layout_alignEnd="@+id/ib_exit"/> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密 码："
android:textSize="18dp"
android:id="@+id/textView2"
android:layout_below="@+id/editText_userName"
android:layout_alignParentStart="true"/> <EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:hint="请输入密码..."
android:ems="10"
android:id="@+id/editText_pwd"
android:layout_below="@+id/textView2"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true"/> <CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="记住密码"
android:id="@+id/checkBox_pwd"
android:checked="false"
android:layout_centerVertical="true"
android:layout_alignParentStart="true"
android:layout_marginStart="27dp"/> <CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="自动登录"
android:id="@+id/checkBox_autoLogin"
android:checked="false"
android:layout_below="@+id/checkBox_pwd"
android:layout_alignStart="@+id/checkBox_pwd"/> <Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
android:id="@+id/button_login"
android:layout_alignBottom="@+id/checkBox_autoLogin"
android:layout_toEndOf="@+id/checkBox_pwd"
android:layout_marginStart="64dp"/> <Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="注册"
android:id="@+id/button_regist1"
android:textAllCaps="false"
android:layout_alignTop="@+id/button_login"
android:layout_toEndOf="@+id/button_login"/> </RelativeLayout> </LinearLayout>
<?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:background="@mipmap/login_bg"
tools:context="com.example.nanchen.listviewdemo.MainActivity"> <ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listView"
android:dividerHeight="3.1dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
/>
</RelativeLayout>
<?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:orientation="vertical"
android:background="@mipmap/login_bg"
tools:context="com.example.nanchen.listviewdemo.RegistActivity"> <LinearLayout
android:orientation="horizontal"
android:paddingTop="50dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="113dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:text="用户名："
android:id="@+id/textView"/> <EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/editText_name"
android:layout_weight="1"/>
</LinearLayout> <LinearLayout
android:orientation="horizontal"
android:paddingTop="100dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="113dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:id="@+id/linearLayout"> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20dp"
android:text="密 码："
android:id="@+id/textView3"/> <EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:layout_weight="1"/>
</LinearLayout> <Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="完成注册"
android:id="@+id/button_regist"
android:layout_marginTop="42dp"
android:layout_below="@+id/linearLayout"
android:layout_centerHorizontal="true"/>
</RelativeLayout>
<?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:background="@mipmap/app_start3"
tools:context="com.example.nanchen.listviewdemo.SplashActivity"> </RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:padding="6dp"
android:layout_height="match_parent"> <ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageView_person"/> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Text"
android:id="@+id/textView_name"/>
</LinearLayout>
<?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"> <ProgressBar
style="?android:attr/progressBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/progressBar"/> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="正在玩命加载中..."
android:id="@+id/textView"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:padding="6dp"
android:orientation="vertical"
android:layout_height="match_parent"> <LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/left_layout"
android:layout_gravity="left"
android:background="#c000dd"> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:id="@+id/left_msg"
android:layout_margin="10dp"
android:textColor="#fff"
/> </LinearLayout> <LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/right_layout"
android:layout_gravity="right"
android:background="#00e6ff"> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/right_msg"
android:layout_gravity="center"
android:layout_margin="10dp"/> </LinearLayout>
</LinearLayout>