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実際のアンドロイド携帯でデータベースを使用するにはどうすればいいですか（私はEclipseで作成し、SDKで使用しています） アプリケーションは正常に動作しますが、検索バーからデータベースにアクセスする必要があるときにクラッシュします。 私は明日の私の蓋のためにこれが本当に必要です。PCからアンドロイドにsqliteデータベースをコピーしますか？
package com.nutriapp;
import java.util.ArrayList;
import java.util.Date;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
パブリッククラスDatabaseAdapter別の答えからカンニング{
public static final String COLUMN_ID = "ID";
public static final String COLUMN_NAME = "Name";
public static final String COLUMN_AGE = "Age";
public static final String COLUMN_GENDER = "Gender";
public static final String COLUMN_WEIGHT = "Weight";
public static final String COLUMN_HEIGHT = "Height";
public static final String COLUMN_ACTIVITY = "Activitylevel";
public static final String COLUMN_CALORIES = "numCal";
public static final String FOOD_ID = "food_ID";
public static final String FOOD_NAME = "food_name";
public static final String FOOD_CALS = "food_cals";
public static final String FOOD_FAT = "food_fat";
public static final String FOOD_PRO = "food_protein";
public static final String FOOD_CRAB = "food_crabs";
public static final String EXERCISE_NAME = "exercise_name";
public static final String EXERCISE_CALS = "exercise_cals";
public static final String EXERCISE_ID = "exercise_ID";
public static final String DAILY_ID = "daily_ID";
public static final String DAILY_DATE = "daily_date";
public static final String DAILY_FAT = "daily_fat";
public static final String DAILY_PROTS = "daily_protein";
public static final String DAILY_CARBS = "daily_carb";
public static final String DAILY_BFITEMS = "daily_breakfast";
public static final String DAILY_LNITEMS = "daily_lunch";
public static final String DAILY_DNITEMS = "daily_dinner";
public static final String DAILY_EXERCISE = "daily_exercise";
public static final String TABLE_DAILYSTATS = "dailystats";
public static final String TABLE_USERS = "users";
public static final String TABLE_FOOD = "food";
public static final String TABLE_EXERCISE = "exercise";
private static final int DATABASE_VERSION = 10;
private static final String DATABASE_NAME = "nutriwellness.db";
private static final String CREATE_TABLE_USERS = "create table users(id integer primary key autoincrement, "
+ "Name text, Age integer, Gender text, Weight text, Height text, Activitylevel text, numCal float);";
private static final String CREATE_TABLE_FOOD = "create table food(food_ID integer primary key,"
+ "food_name text,food_cals real, food_fat real, food_protein real, food_crabs real);";
private static final String CREATE_TABLE_EXERCISE = "create table exercise(exercise_ID integer primary key,"
+ "exercise_name text,exercise_cals real);";
private static final String CREATE_TABLE_DAILYSTATS = "create table dailystats(daily_ID integer primary key autoincrement,"
+ "daily_date text, daily_fat real, daily_protein real, daily_carb real, daily_breakfast text, daily_lunch text, daily_dinner text, daily_exercise text, ID integer);";
private SQLiteDatabase database;
private DatabaseHelper dbHelper;
private String[] allColumnsofuserstable = { COLUMN_ID, COLUMN_NAME,
COLUMN_AGE, COLUMN_GENDER, COLUMN_WEIGHT, COLUMN_HEIGHT,
COLUMN_CALORIES };
private String[] allColumnoffoodtable = { FOOD_ID, FOOD_NAME, FOOD_FAT,
FOOD_PRO, FOOD_CRAB };
private String[] allColumnofexercisetable = { EXERCISE_ID, EXERCISE_NAME,
EXERCISE_CALS };
private String[] allColumnofdailytable = { DAILY_ID, DAILY_FAT,
DAILY_PROTS, DAILY_CARBS, DAILY_EXERCISE };
public DatabaseAdapter(Context context) {
dbHelper = new DatabaseHelper(context);
}
public static class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, 18);
}
@Override
public void onCreate(SQLiteDatabase db) {
try {
// db.execSQL(CREATE_TABLE_USERS);
// db.execSQL(CREATE_TABLE_FOOD);
// db.execSQL(CREATE_TABLE_EXERCISE);
db.execSQL(CREATE_TABLE_DAILYSTATS);
} catch (SQLException e) {
// e.printStackTrace();
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.w(DatabaseHelper.class.getName(),
"Upgrading database from version " + oldVersion
+ "to version " + newVersion);
// db.execSQL("DROP TABLE IF EXISTS users");
// db.execSQL("DROP TABLE IF EXISTS food");
// db.execSQL("DROP TABLE IF EXISTS exercise");
db.execSQL("DROP TABLE IF EXISTS dailystats");
onCreate(db);
}
}
public float sumCalories(String[] items) {
float sum = .0f;
for (int i = 0; i < items.length; i++) {
Cursor c = database.rawQuery(
"select food_cals from food where food_name='" + items[i]
+ "'", null);
c.moveToFirst();
while (!c.isAfterLast()) {
sum += c.getFloat(0);
c.moveToNext();
}
}
return sum;
}
public float sumProteins(String[] items) {
float sum = .0f;
for (int i = 0; i < items.length; i++) {
Cursor c = database.rawQuery(
"select food_protein from food where food_name='"
+ items[i] + "'", null);
c.moveToFirst();
while (!c.isAfterLast()) {
sum += c.getFloat(0);
c.moveToNext();
}
}
return sum;
}
public float sumFat(String[] items) {
float sum = .0f;
for (int i = 0; i < items.length; i++) {
Cursor c = database.rawQuery(
"select food_fat from food where food_name='" + items[i]
+ "'", null);
c.moveToFirst();
while (!c.isAfterLast()) {
sum += c.getFloat(0);
c.moveToNext();
}
}
return sum;
}
public float sumCarbs(String[] items) {
float sum = .0f;
for (int i = 0; i < items.length; i++) {
Cursor c = database.rawQuery(
"select food_crabs from food where food_name='" + items[i]
+ "'", null);
c.moveToFirst();
while (!c.isAfterLast()) {
sum += c.getFloat(0);
c.moveToNext();
}
}
return sum;
}
public float sumBurned(String[] items) {
float sum = .0f;
for (int i = 0; i < items.length; i++) {
Cursor c = database.rawQuery(
"select exercise_cals from exercise where exercise_name='"
+ items[i] + "'", null);
c.moveToFirst();
while (!c.isAfterLast()) {
sum += c.getFloat(0);
c.moveToNext();
}
}
return sum;
}
// //////////////////////////// FOR STORING IN DAILY TABLE
public long saveDayStatistics(float fat, float protein, float carbs,
String breakfast, String lunch, String dinner, String exercise) {
Date now = new Date();
ContentValues values = new ContentValues();
values.put("daily_date", now.toString());
values.put("daily_fat", fat);
values.put("daily_protein", protein);
values.put("daily_carb", carbs);
values.put("daily_breakfast", breakfast);
values.put("daily_lunch", lunch);
values.put("daily_dinner", dinner);
values.put("daily_exercise", exercise);
return database.insert(TABLE_DAILYSTATS, DAILY_DATE, values);
}
public DatabaseAdapter open() throws SQLException {
database = dbHelper.getWritableDatabase();
return this;
}
public void close() {
dbHelper.close();
}
// create a user
public long createUser(String name, String age, String gender,
String weight, String height, String level, float calnum) {
ContentValues values = new ContentValues();
values.put(COLUMN_NAME, name);
values.put(COLUMN_AGE, age);
values.put(COLUMN_GENDER, gender);
values.put(COLUMN_WEIGHT, weight);
values.put(COLUMN_HEIGHT, height);
values.put(COLUMN_ACTIVITY, level);
values.put(COLUMN_CALORIES, calnum);
return database.insert(TABLE_USERS, COLUMN_ID, values);
}
// delete a user by ID
public boolean deleteUser(long rowId) {
return database.delete(TABLE_USERS, COLUMN_ID + "=" + rowId, null) > 0;
}
// retrieve a list of all users
public Cursor getAllUsers() {
return database.query(TABLE_USERS, allColumnsofuserstable, null, null,
null, null, null);
}
// retrieve a particular user
public Cursor getUser(long rowId) throws SQLException {
Cursor mCursor = database.query(true, TABLE_USERS,
allColumnsofuserstable, COLUMN_ID + "=" + rowId, null, null,
null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
// update a user
public boolean updateUser(long rowId, String Name, int age, String gender,
String weight, String height, String level, float calnum) {
ContentValues values = new ContentValues();
values.put(COLUMN_NAME, Name);
values.put(COLUMN_AGE, age);
values.put(COLUMN_GENDER, gender);
values.put(COLUMN_WEIGHT, weight);
values.put(COLUMN_HEIGHT, height);
values.put(COLUMN_ACTIVITY, level);
values.put(COLUMN_CALORIES, calnum);
return database.update(TABLE_USERS, values, COLUMN_ID + "=" + rowId,
null) > 0;
}
// FOOD METHODS !
// Create a new food row
public long createFood(String name, double food_cal, double food_fat,
double food_proteins, double food_carbs) {
ContentValues Fvalues = new ContentValues();
Fvalues.put(FOOD_NAME, name);
Fvalues.put(FOOD_CALS, food_cal);
Fvalues.put(FOOD_FAT, food_fat);
Fvalues.put(FOOD_PRO, food_proteins);
Fvalues.put(FOOD_CRAB, food_carbs);
return database.insert(TABLE_FOOD, FOOD_ID, Fvalues);
}
// delete a Food by ID
public boolean deleteFood(long rowId) {
return database.delete(TABLE_FOOD, FOOD_ID + "=" + rowId, null) > 0;
}
// retrieve a list of all FOOD
public ArrayList<String> getAllfood() {
Cursor c = database.query(TABLE_FOOD, allColumnoffoodtable, null, null,
null, null, null);
ArrayList<String> food = new ArrayList<String>();
c.moveToFirst();
while (!c.isAfterLast()) {
food.add(c.getString(1));
c.moveToNext();
}
return food;
}
// Retrieve a specific Food
public Cursor getFood(long rowId) throws SQLException {
Cursor mCursor = database.query(true, TABLE_FOOD, allColumnoffoodtable,
FOOD_ID + "=" + rowId, null, null, null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
// Update a food
public boolean updateFood(long rowId, String name, int food_cal,
int food_fat, int food_proteins, int food_carbs) {
ContentValues Fvalues = new ContentValues();
Fvalues.put(FOOD_NAME, name);
Fvalues.put(FOOD_CALS, food_cal);
Fvalues.put(FOOD_FAT, food_fat);
Fvalues.put(FOOD_PRO, food_proteins);
Fvalues.put(FOOD_CRAB, food_carbs);
return database
.update(TABLE_FOOD, Fvalues, FOOD_ID + "=" + rowId, null) > 0;
}
// //////////////////////////////// EXERCISE
// TABLE///////////////////////////////////////////////////
public long createExercise(String name, double exercise_cals) {
ContentValues Fvalues = new ContentValues();
Fvalues.put(EXERCISE_NAME, name);
Fvalues.put(EXERCISE_CALS, exercise_cals);
return database.insert(TABLE_EXERCISE, EXERCISE_ID, Fvalues);
}
public Cursor getExercise(long rowId) throws SQLException {
Cursor mCursor = database.query(true, TABLE_EXERCISE,
allColumnofexercisetable, EXERCISE_ID + "=" + rowId, null,
null, null, null, null);
if (mCursor != null) {
mCursor.moveToFirst();
}
return mCursor;
}
public ArrayList<String> getAllexercise() {
Cursor c = database.query(TABLE_EXERCISE, allColumnofexercisetable,
null, null, null, null, null);
ArrayList<String> exercise = new ArrayList<String>();
c.moveToFirst();
while (!c.isAfterLast()) {
exercise.add(c.getString(1));
c.moveToNext();
}
return exercise;
}
public boolean deleteexercise(long rowId) {
return database.delete(TABLE_EXERCISE, EXERCISE_ID + "=" + rowId, null) > 0;
}
public XYMultipleSeriesDataset getFatDataset() {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
Cursor c = database.rawQuery(
"select * from dailystats order by daily_ID desc LIMIT 7;",
null);
float i = 1.0f;
c.moveToFirst();
XYSeries seriesFat = new XYSeries("Fat");
while (!c.isAfterLast()) {
seriesFat.add(i++, c.getDouble(2));
c.moveToNext();
}
dataset.addSeries(seriesFat);
return dataset;
}
public XYMultipleSeriesDataset getProtDataset() {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
Cursor c = database.rawQuery(
"select * from dailystats order by daily_ID desc LIMIT 7;",
null);
float i = 1.0f;
c.moveToFirst();
XYSeries seriesProtein = new XYSeries("Protein");
while (!c.isAfterLast()) {
seriesProtein.add(i++, c.getDouble(3));
c.moveToNext();
}
dataset.addSeries(seriesProtein);
return dataset;
}
public XYMultipleSeriesDataset getCarbsDataset() {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
Cursor c = database.rawQuery(
"select * from dailystats order by daily_ID desc LIMIT 7;",
null);
float i = 1.0f;
c.moveToFirst();
XYSeries seriesCarbs = new XYSeries("Carbs");
while (!c.isAfterLast()) {
seriesCarbs.add(i++, c.getDouble(4));
c.moveToNext();
}
dataset.addSeries(seriesCarbs);
return dataset;
}
public void clearDailyStats() {
database.execSQL("delete from dailystats");
Log.d("db", "lol");
}
}