Android 用户注册界面的实现
2015-08-15 23:19
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本文主要讲解Android中用户注册界面的实现。详细请看代码：
1.MainActivity.java
2.布局文件：activity_main.xml
3.配置文件AndroidManifest.xml
添加权限：
1.MainActivity.java
public class MainActivity extends Activity implements View.OnClickListener{
private String TAG= "MainActivity";
private EditText mPhonenumber;
private EditText mUsername;
private EditText mPassword;
private EditText mConfirmpassword;
private ImageView mClear_phonenumber;
private ImageView mClear_username;
private ImageView mClear_password;
private ImageView mClear_confirmpassword;
private Button mRegisterbtn;
private Button mCancelbtn;
private String username;
private String password;
private String confirmedPassword;
public String phonenumber;
public SharedPreferences mUserInfo;
public XmlSerializer mSerializer;
private static final String USER_INFO_PATH =
Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator +
"MyUserInfo" + File.separator + "user_info";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
mUserInfo = getSharedPreferences("user_info", MODE_PRIVATE);
// country = mUserInfo.getString(Constant.KEY_COUNTRY, "");
phonenumber = mUserInfo.getString("phone", "");
Log.d(TAG, "电话号码："+phonenumber);
// RecorderApplication.getRefWatcher(this).watch(this, TAG);
}
private void init() {
mPhonenumber = (EditText)findViewById(R.id.phonenumber);
mUsername = (EditText)findViewById(R.id.username);
mPassword = (EditText)findViewById(R.id.password);
mConfirmpassword= (EditText)findViewById(R.id.confirmpassword);
mClear_phonenumber = (ImageView)findViewById(R.id.iv_clear_phonenumber);
mClear_username = (ImageView)findViewById(R.id.iv_clear_username);
mClear_password = (ImageView)findViewById(R.id.iv_clear_password);
mClear_confirmpassword = (ImageView)findViewById(R.id.iv_clear_confirmpassword);
mRegisterbtn = (Button)findViewById(R.id.btn_Register);
mCancelbtn = (Button)findViewById(R.id.btn_RegisterCancel);
mPhonenumber.setOnClickListener(this);
mUsername.setOnClickListener(this);
mPassword.setOnClickListener(this);
mConfirmpassword.setOnClickListener(this);
mClear_phonenumber.setOnClickListener(this);
mClear_username.setOnClickListener(this);
mClear_password.setOnClickListener(this);
mClear_confirmpassword.setOnClickListener(this);
mRegisterbtn.setOnClickListener(this);
mCancelbtn.setOnClickListener(this);
mPhonenumber.setOnFocusChangeListener(mFocusChangeListener);
mUsername.setOnFocusChangeListener(mFocusChangeListener);
mPassword.setOnFocusChangeListener(mFocusChangeListener);
mConfirmpassword.setOnFocusChangeListener(mFocusChangeListener);
}
View.OnFocusChangeListener mFocusChangeListener = new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
int id = view.getId();
switch (id) {
case R.id.username:
mClear_username.setVisibility(hasFocus ? View.VISIBLE : View.GONE);
break;
case R.id.password:
mClear_password.setVisibility(hasFocus ? View.VISIBLE : View.GONE);
break;
case R.id.confirmpassword:
mClear_confirmpassword.setVisibility(hasFocus ? View.VISIBLE : View.GONE);
break;
case R.id.phonenumber:
mClear_phonenumber.setVisibility(hasFocus ? View.VISIBLE : View.GONE);
break;
default:
break;
}
}
};
@SuppressLint("NewApi")
public void writeUserXml(String phone) {
JSONArray info = null;
JSONObject jsonObject = new JSONObject();
File userinfopath = new File(USER_INFO_PATH + File.separator + phone);
if (!userinfopath.exists() | !userinfopath.isDirectory()) userinfopath.mkdirs();
File user = new File(userinfopath.getAbsolutePath(), "user.xml");
InputStream inPublic = null;
FileOutputStream fos = null;
String infos = null;
StringBuilder builder = new StringBuilder(10240);
try {
jsonObject.put("phone",phonenumber);
jsonObject.put("userName", username);
jsonObject.put("password", password);
} catch (JSONException e) {
e.printStackTrace();
}
try {
fos = new FileOutputStream(user);
fos.write(jsonObject.toString().getBytes("UTF-8"));
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
mUserInfo.edit().putBoolean("registered", true)
.putBoolean("uploadUserInfo", true)
.apply();
//提交用户信息
mUserInfo.edit()
.putString("phone", phonenumber).apply();
}
@Override
protected void onDestroy() {
super.onDestroy();
}
@Override
public void onClick(View view) {
username = mUsername.getText().toString().trim();
password = mPassword.getText().toString().trim();
confirmedPassword = mConfirmpassword.getText().toString().trim();
phonenumber = mPhonenumber.getText().toString().trim();
switch (view.getId()) {
case R.id.iv_clear_username:
mUsername.setText("");
break;
case R.id.iv_clear_password:
mPassword.setText("");
break;
case R.id.iv_clear_confirmpassword:
mConfirmpassword.setText("");
break;
case R.id.iv_clear_phonenumber:
mPhonenumber.setText("");
case R.id.btn_RegisterCancel:
finish();
break;
case R.id.btn_Register:
if (password.equals(confirmedPassword) && password != null && password.length() > 5) {
writeUserXml(phonenumber);
//这里可以把注册的信息文件上传到服务器，方便登录时下载验证
finish();
} else if (!password.equals(confirmedPassword)) {
mConfirmpassword.setText("");
} else {
// T.showMessage(this, "input the right password");
}
}
}
}2.布局文件：activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:id="@+id/linearLayout_Register"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="@drawable/login_background">
<TextView
android:text="请填写完整以下用户信息"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="22dp"
android:gravity="left"
android:textColor="#ffffff"
android:textSize="18sp"/>
<!-- 第一行 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="46dp"
android:layout_marginLeft="14dp"
android:layout_marginRight="14dp"
android:layout_marginTop="22dp"
android:orientation="horizontal">
<TextView
android:text="手机号码"
android:layout_width="70dip"
android:layout_height="match_parent"
android:gravity="center"
android:textColor="#ffffff"
android:textSize="16sp"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/input_bg"
android:gravity="end"
android:orientation="horizontal" >
<EditText
android:id="@+id/phonenumber"
android:singleLine="true"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:background="@null"
android:hint="请填写手机号码"
android:inputType="phone"
android:textColor="#ff353535"
android:textSize="14sp"
android:textCursorDrawable="@null"/>
<ImageView
android:id="@+id/iv_clear_phonenumber"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginRight="10dp"
android:layout_marginEnd="10dp"
android:scaleType="centerInside"
android:layout_centerVertical="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:visibility="gone"
android:background="@drawable/search_clear_pressed"
android:contentDescription="@null"
/>
</RelativeLayout>
</LinearLayout>
<!-- 第二行 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="46dp"
android:layout_marginLeft="14dp"
android:layout_marginRight="14dp"
android:layout_marginTop="22dp"
android:orientation="horizontal">
<TextView
android:text="用户名"
android:layout_width="70dip"
android:layout_height="match_parent"
android:gravity="center"
android:textColor="#ffffff"
android:textSize="16sp"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/input_bg"
android:gravity="end"
android:orientation="horizontal" >
<EditText
android:id="@+id/username"
android:singleLine="true"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:background="@null"
android:hint="请填写姓名"
android:textColor="#ff353535"
android:textSize="14sp"
android:textCursorDrawable="@null" />
<ImageView
android:id="@+id/iv_clear_username"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginRight="10dp"
android:layout_marginEnd="10dp"
android:scaleType="centerInside"
android:layout_centerVertical="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:visibility="gone"
android:background="@drawable/search_clear_pressed"
android:contentDescription="@null"
/>
</RelativeLayout>
</LinearLayout>
<!-- 第三行 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="46dp"
android:layout_marginLeft="14dp"
android:layout_marginRight="14dp"
android:layout_marginTop="22dp"
android:orientation="horizontal">
<TextView
android:layout_width="70dip"
android:layout_height="match_parent"
android:gravity="center"
android:text="密 码"
android:textColor="#ffffff"
android:textSize="16sp"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/input_bg">
<EditText
android:id="@+id/password"
android:maxLength="8"
android:singleLine="true"
android:digits="._0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLIMNOPQRSTUVWXYZ"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:background="@null"
android:hint="请输入密码"
android:inputType="textPassword"
android:textColor="#ff353535"
android:textSize="14sp"
android:textCursorDrawable="@null"/>
<ImageView
android:id="@+id/iv_clear_password"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginRight="10dp"
android:layout_marginEnd="10dp"
android:layout_centerVertical="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:scaleType="centerInside"
android:visibility="gone"
android:background="@drawable/search_clear_pressed"
android:contentDescription="@null"
/>
</RelativeLayout>
</LinearLayout>
<!-- 第四行 -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="46dp"
android:layout_marginLeft="14dp"
android:layout_marginRight="14dp"
android:layout_marginTop="22dp"
android:orientation="horizontal">
<TextView
android:layout_width="70dip"
android:layout_height="match_parent"
android:gravity="center"
android:text="确认密码"
android:textColor="#ffffff"
android:textSize="16sp"/>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/input_bg">
<EditText
android:id="@+id/confirmpassword"
android:maxLength="8"
android:singleLine="true"
android:digits="._0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLIMNOPQRSTUVWXYZ"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:background="@null"
android:hint="请再次输入密码"
android:inputType="textPassword"
android:textColor="#ff353535"
android:textSize="14sp"
android:textCursorDrawable="@null"/>
<ImageView
android:id="@+id/iv_clear_confirmpassword"
android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginRight="10dp"
android:layout_marginEnd="10dp"
android:layout_centerVertical="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:scaleType="centerInside"
android:visibility="gone"
android:background="@drawable/search_clear_pressed"
android:contentDescription="@null"
/>
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1.0"
android:layout_marginTop="22dp"
android:gravity="center_horizontal">
<Button
android:id="@+id/btn_Register"
android:layout_width="80dip"
android:layout_height="40dip"
android:text="注册"
>
</Button>
<Button
android:id="@+id/btn_RegisterCancel"
android:layout_width="80dip"
android:layout_height="40dip"
android:layout_marginLeft="10dip"
android:text="取消"
>
</Button>
</LinearLayout>
</LinearLayout>3.配置文件AndroidManifest.xml
添加权限：
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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