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我一直在尝试使用注册活动在SQLite数据库中存储医生详细信息，但每次点击注册按钮时，我的应用程序都会崩溃。它显示没有错误。我已经关注了很多在线视频，但它不适用于我的应用程序 错误是什么？为什么应用程序崩溃？如何在SQLite数据库中输入信息？ （应用程序崩溃）
dsignup.java
DatabaseHelper1 helper1 = new DatabaseHelper1(this);
public void OnButton_regclick(View v)
{
if(v.getId()== R.id.button_reg)
{
EditText dname = (EditText)findViewById(R.id.dname);
EditText username = (EditText)findViewById(R.id.username);
EditText docemail = (EditText)findViewById(R.id.docemail);
EditText password = (EditText)findViewById(R.id.password);
EditText reg_num = (EditText)findViewById(R.id.reg_num);
EditText dcontact = (EditText)findViewById(R.id.dcontact);
EditText wcontact = (EditText)findViewById(R.id.wcontact);
RadioGroup gender = (RadioGroup) findViewById(R.id.gender);
int selectedid = gender.getCheckedRadioButtonId();
EditText address = (EditText)findViewById(R.id.address);
EditText pincode = (EditText)findViewById(R.id.pincode);
EditText specialization =(EditText)findViewById(R.id.specialization);
EditText experience = (EditText)findViewById(R.id.experience);
EditText category = (EditText)findViewById(R.id.category);
RadioButton rb = (RadioButton)findViewById(selectedid);
String dnamestr = dname.getText().toString();
String docemailstr = docemail.getText().toString();
String usernamestr = username.getText().toString();
String passwordstr = password.getText().toString();
String dcontactstr = dcontact.getText().toString();
String reg_numstr = reg_num.getText().toString();
String specializationstr = specialization.getText().toString();
String experiencestr = experience.getText().toString();
String categorystr = category.getText().toString();
String genderstr = rb.getText().toString();
String pincodestr = pincode.getText().toString();
String addressstr = address.getText().toString();
String wcontactstr = wcontact.getText().toString();
Contact c = new Contact();
c.setDname(dnamestr);
c.setDocemail(docemailstr);
c.setUsername(usernamestr);
c.setPassword(passwordstr);
c.setDcontact(dcontactstr);
c.setReg_num(reg_numstr);
c.setSpecialization(specializationstr);
c.setExperience(experiencestr);
c.setCategory(categorystr);
c.setGender(genderstr);
c.setPincode(pincodestr);
c.setAddress(addressstr);
c.setWcontact(wcontactstr);
helper1.insertContact(c);
}
DatabaseHelper1.java
public class DatabaseHelper1 extends SQLiteOpenHelper {
private static final int DATABASE_VERSION = 1;
private static final String DATABASE_NAME = "contacts.db";
private static final String TABLE_NAME1 = "doctors";
private static final String COLUMN_ID1 = "id1";
private static final String COLUMN_DNAME ="dname";
private static final String COLUMN_DCONTACT ="dcontact";
private static final String COLUMN_REG_NUM ="reg_num";
private static final String COLUMN_SPECIALIZATION ="specialization";
private static final String COLUMN_EXPERIENCE ="experience";
private static final String COLUMN_CATEGORY ="category";
private static final String COLUMN_AVAILABLEFROM ="availablefrom";
private static final String COLUMN_PASSWORD ="password";
private static final String COLUMN_USERNAME ="username";
private static final String COLUMN_AVAILABLETO ="availableto";
private static final String COLUMN_GENDER ="gender";
private static final String COLUMN_DOCEMAIL ="docemail";
private static final String COLUMN_PINCODE ="pincode";
private static final String COLUMN_ADDRESS ="address";
private static final String COLUMN_WCONTACT ="wcontact";
private static final String COLUMN_TIMETO ="timeto";
private static final String COLUMN_TIMEFROM ="timefrom";
private static final String COLUMN_LATITUDE ="latitude";
private static final String COLUMN_LONGITUDE ="longitude";
SQLiteDatabase db1;
private static final String TABLE_CREATE1 = "create table doctors (id integer primary key not null, dname text not null,reg_num integer not null , specialization text not null, experience text not null, category text not null," +
"available from text not null, username text not null, availableto text not null, gender text not null, email text not null, pincode integer not null, address text not null " +
" wcontact integer not null, timeto time, timefrom time, latitude float(10,6), longitude float(10,6));";
public DatabaseHelper1(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db1) {
db1.execSQL(TABLE_CREATE1);
this.db1 = db1;
}
public void insertContact(Contact c) {
db1 = this.getWritableDatabase();
ContentValues values = new ContentValues();
String query = "select * from doctors";
Cursor cursor = db1.rawQuery(query , null);
int count = cursor.getCount();
values.put(COLUMN_ID1 , count);
values.put(COLUMN_DNAME, c.getDname());
values.put(COLUMN_DCONTACT, c.getDcontact());
values.put(COLUMN_REG_NUM, c.getReg_num());
values.put(COLUMN_SPECIALIZATION, c.getSpecialization());
values.put(COLUMN_EXPERIENCE, c.getExperience());
values.put(COLUMN_CATEGORY, c.getCategory());
values.put(COLUMN_AVAILABLEFROM, c.getAvailablefrom());
values.put(COLUMN_PASSWORD, c.getPassword());
values.put(COLUMN_USERNAME, c.getUsername());
values.put(COLUMN_AVAILABLETO, c.getAvailableto());
values.put(COLUMN_GENDER, c.getGender());
values.put(COLUMN_DOCEMAIL, c.getDocemail());
values.put(COLUMN_PINCODE, c.getPincode());
values.put(COLUMN_ADDRESS, c.getAddress());
values.put(COLUMN_WCONTACT, c.getWcontact());
//values.put(COLUMN_TIMETO, c.getTimeto());
// values.put(COLUMN_TIMEFROM, c.getTimefrom());
// values.put(COLUMN_LATITUDE, c.getLatitude());
//values.put(COLUMN_LONGITUDE, c.getLongitude());
db1.insert(TABLE_NAME1, null, values);
db1.close();
}
public String searchPass(String username)
{
db1 = this.getReadableDatabase();
String query = "select uname, pass from "+TABLE_NAME1;
Cursor cursor = db1.rawQuery(query , null);
String a, b;
b = "not found";
if(cursor.moveToFirst())
{
do{
a = cursor.getString(0);
if(a.equals(username))
{
b = cursor.getString(1);
break;
}
}
while(cursor.moveToNext());
}
return b;
}
@Override
public void onUpgrade(SQLiteDatabase db1, int oldVersion, int newVersion) {
String query = "DROP TABLE IF EXISTS "+TABLE_NAME1;
db1.execSQL(query);
this.onCreate(db1);
}
}
Contact.java
public class Contact {
String name ,email,uname,pass,gender1,dname,dcontact,reg_num,specialization, experience, category, availablefrom, password, username, availableto,gender,docemail,pincode,address,wcontact;
public void setName(String name)
{
this.name = name;
}
public String getName()
{
return this.name;
}
public void setEmail(String email)
{
this.email = email;
}
public String getEmail()
{
return this.email;
}
public void setUname(String uname)
{
this.uname = uname;
}
public String getUname()
{
return this.uname;
}
public void setPass(String pass)
{
this.pass = pass;
}
public String getPass()
{
return this.pass;
}
public void setGender1(String gender)
{
this.gender1 = gender;
}
public String getGender1()
{
return this.gender1;
}
public void setDname(String dname)
{
this.dname = dname;
}
public String getDname()
{
return this.dname;
}
public void setReg_num(String reg_num)
{
this.reg_num = reg_num;
}
public String getReg_num()
{
return this.reg_num;
}
public void setDcontact(String dcontact)
{
this.name = dcontact;
}
public String getDcontact()
{
return this.dcontact;
}
public void setSpecialization(String specialization)
{
this.specialization = specialization;
}
public String getSpecialization()
{
return this.specialization;
}
public void setExperience(String experience)
{
this.experience = experience;
}
public String getExperience()
{
return this.experience;
}
public void setCategory(String category)
{
this.category = category;
}
public String getCategory()
{
return this.category;
}
public void setAvailablefrom(String availablefrom)
{
this.availablefrom = availablefrom;
}
public String getAvailablefrom()
{
return this.availablefrom;
}
public void setPassword(String password)
{
this.password = password;
}
public String getPassword()
{
return this.password;
}
public void setUsername(String username)
{
this.username = username;
}
public String getUsername()
{
return this.username;
}
public void setAvailableto(String availableto)
{
this.availableto = availableto;
}
public String getAvailableto()
{
return this.availableto;
}
public void setGender(String gender)
{
this.gender = gender;
}
public String getGender()
{
return this.gender;
}
public void setDocemail(String docemail)
{
this.docemail = docemail;
}
public String getDocemail()
{
return this.docemail;
}
public void setPincode(String pincode) {this.pincode = pincode;}
public String getPincode()
{
return this.pincode;
}
public void setAddress(String address)
{
this.address = address;
}
public String getAddress()
{
return this.address;
}
public void setWcontact(String wcontact)
{
this.wcontact = wcontact;
}
public String getWcontact()
{
return this.wcontact;
}
public void setTimeto(String timeto)
{
this.timeto = timeto;
}
public String getTimeto() {return this.timeto;}
public void setTimefrom(String timefrom)
{
this.timefrom = timefrom;
}
public String getTimefrom()
{
return this.timefrom;
}
}
请发布您的logcat详细信息 –
请给出错误日志。 – sJy