{"id":660,"date":"2016-12-23T09:36:15","date_gmt":"2016-12-23T00:36:15","guid":{"rendered":"http:\/\/blue-bear.jp\/kb\/?p=660"},"modified":"2016-12-23T09:36:15","modified_gmt":"2016-12-23T00:36:15","slug":"android-sqlite%e3%82%92%e5%ae%9f%e8%a3%85%ef%bc%88db-browser-for-sqlite%e3%81%a7db%e3%82%92%e4%bd%9c%e6%88%90%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blue-bear.jp\/kb\/android-sqlite%e3%82%92%e5%ae%9f%e8%a3%85%ef%bc%88db-browser-for-sqlite%e3%81%a7db%e3%82%92%e4%bd%9c%e6%88%90%ef%bc%89\/","title":{"rendered":"[android] SQLite\u3092\u5b9f\u88c5\uff08DB Browser for SQLite\u3067DB\u3092\u4f5c\u6210\uff09"},"content":{"rendered":"

SQLite\u3092\u5b9f\u88c5\uff08DB Browser for SQLite\u3067DB\u3092\u4f5c\u6210\uff09<\/h2>\n

Android\u306bSQLite\u3092\u5b9f\u88c5\u3059\u308b<\/p>\n

DB\u306fDB Browser for SQLite\u3067\u4f5c\u6210\u3057\u305f\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b<\/p>\n

DB Browser for SQLite<\/h3>\n

DB Browser for SQLite\u3092\u4e0b\u8a18URL\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb
\nhttp:\/\/sqlitebrowser.org\/<\/a><\/p>\n

DB Browser for SQLite\u3067DB\u3092\u4f5c\u6210<\/h3>\n

\u4e0b\u8a18\u30b5\u30a4\u30c8\u304c\u53c2\u8003\u306b\u306a\u308b\u306e\u3067\u3001\u53c2\u8003\u306b\u3057\u306a\u304c\u3089DB\u3092\u4f5c\u6210
\nhttp:\/\/www.dbonline.jp\/sqlite-db-browser\/<\/a><\/p>\n

DB\u30d5\u30a1\u30a4\u30eb\u3092Asset\u30d5\u30a9\u30eb\u30c0\u306b\u79fb\u52d5<\/h3>\n

\u4f5c\u6210\u3057\u305fDB\u30d5\u30a1\u30a4\u30eb\u300c\u4f8b\uff1aMyDatabase.db\u300d\u3092Android Project\u306eAsset\u30d5\u30a9\u30eb\u30c0\u306b\u79fb\u52d5\u3002
\n\u3082\u3057Asset\u30d5\u30a9\u30eb\u30c0\u304c\u306a\u3051\u308c\u3070\u3001Android-Studio\u4e0a\u3067\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3059\u308b
\nMain\u2192Res\u3068\u540c\u3058\u5834\u6240\u306b\u4f5c\u6210\u3055\u308c\u308b<\/p>\n

DBAdapter\u30af\u30e9\u30b9\u3092\u4f5c\u6210<\/h3>\n

DB\u30c7\u30fc\u30bf\u3092\u6271\u3044\u30b3\u30fc\u30c9\u3092\u30af\u30e9\u30b9\u306b\u307e\u3068\u3081\u308b<\/p>\n

Asset\u30d5\u30a9\u30eb\u30c0\u306b\u304a\u3044\u305f\u3060\u3051\u3067\u306f\u30a2\u30d7\u30ea\u4e0a\u3067\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30a2\u30d7\u30ea\u3067\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u30a2\u30d7\u30ea\u8d77\u52d5\u6642\u306a\u3069\u306b\u30c7\u30d0\u30a4\u30b9\u306b\u30b3\u30d4\u30fc\u3059\u308b\u30b3\u30fc\u30c9\u3082\u5b9f\u88c5\u3059\u308b<\/p>\n

\r\n\r\npublic class DBAdapter{\r\n    static final String KEY_ID = \"_id\";\r\n    static final String KEY_DAY = \"day\";\r\n    static final String KEY_DAYTIME = \"dayTime\";\r\n    static final String KEY_LAT = \"lat\";\r\n    static final String KEY_LNG = \"lng\";\r\n    static final String TAG = \"DBAdapter\";\r\n\r\n    static final String DATABASE_NAME = \"MyDatabase.db\";\r\n    static final String DATABASE_TABLE =\"history\";\r\n    static final int DATABASE_VERSION = 1;\r\n\r\n    private final Context context;\r\n\r\n    DatabaseHelper DBHelper;\r\n    SQLiteDatabase db;\r\n    Calendar currentDate;\r\n    SimpleDateFormat dayFormatter;\r\n    SimpleDateFormat dayTimeFormatter;\r\n    File mDatabasePath;\r\n\r\n    String[] cols = {KEY_ID,KEY_DAY,KEY_DAYTIME, KEY_LAT, KEY_LNG}; \/\/\u691c\u7d22\u30a2\u30a4\u30c6\u30e0\r\n\r\n    public DBAdapter(Context ctx){\r\n        this.context = ctx;\r\n        this.mDatabasePath = context.getDatabasePath(DATABASE_NAME);\r\n        DBHelper = new DatabaseHelper(context);\r\n        currentDate = Calendar.getInstance();\r\n        dayFormatter = new SimpleDateFormat(\"yyyy-MM-dd\");\r\n        dayTimeFormatter = new SimpleDateFormat(\"HH:mm:ss\");\r\n    }\r\n\r\n    private class DatabaseHelper extends SQLiteOpenHelper {\r\n        DatabaseHelper(Context context){\r\n            super(context, DATABASE_NAME, null, DATABASE_VERSION);\r\n\r\n            try {\r\n                if (! databaseExists()) {\r\n                    copyDb();\r\n                }\r\n            } catch (IOException e) {\r\n                e.printStackTrace();\r\n            }\r\n\r\n            }\r\n\r\n        @Override\r\n        public void onCreate(SQLiteDatabase db){\r\n\r\n        }\r\n\r\n        @Override\r\n        public void onUpgrade(SQLiteDatabase db, int oldVersion,\r\n                                 int newVersion){}\r\n    }\r\n\r\n    \/\/---opens the database---\r\n    public DBAdapter open() throws SQLException {\r\n        db = DBHelper.getWritableDatabase();\r\n        return this;\r\n        }\r\n\r\n    \/\/---closes the database---\r\n    public void close(){\r\n        DBHelper.close();\r\n        }\r\n\r\n    \/\/---insert a lacation into the database---\r\n    public long insertLocation(String lat, String lng){\r\n        ContentValues initialValues = new ContentValues();\r\n        initialValues.put(KEY_DAY, dayFormatter.format(currentDate.getTime()));\r\n        initialValues.put(KEY_DAYTIME, dayTimeFormatter.format(currentDate.getTime()));\r\n        initialValues.put(KEY_LAT, lat);\r\n        initialValues.put(KEY_LNG, lng);\r\n        Log.d(TAG,\":\"+lat+\" : \"+lng);\r\n        return db.insert(DATABASE_TABLE, null, initialValues);\r\n        }\r\n\r\n    \/\/---retrieves all the locations---\r\n    public Cursor getAllLocations(){\r\n        return db.query(DATABASE_TABLE, cols, null, null, null, null, null);\r\n        }\r\n\r\n    public Cursor getLatestLocation(){\r\n\r\n        \/\/query\u30e1\u30bd\u30c3\u30c9\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\r\n\r\n        \/\/\u5f15\u6570distinct\u306b\u306f\u3001true\u3092\u6307\u5b9a\u3059\u308b\u3068\u691c\u7d22\u7d50\u679c\u304b\u3089\u91cd\u8907\u3059\u308b\u884c\u3092\u524a\u9664\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570table\u306b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570columns\u306b\u306f\u3001\u691c\u7d22\u7d50\u679c\u306b\u542b\u3081\u308b\u5217\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002null\u3092\u6307\u5b9a\u3059\u308b\u3068\u5168\u5217\u306e\u5024\u304c\u542b\u307e\u308c\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570selection\u306b\u306f\u3001\u691c\u7d22\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570selectionArgs\u306b\u306f\u3001\u691c\u7d22\u6761\u4ef6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\uff08\uff1f\u3067\u6307\u5b9a\uff09\u306b\u7f6e\u304d\u63db\u308f\u308b\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570groupBy\u306b\u306f\u3001groupBy\u53e5\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570having\u306b\u306f\u3001having\u53e5\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570orderBy\u306b\u306f\u3001orderBy\u53e5\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n        \/\/\u5f15\u6570limit\u306b\u306f\u3001\u691c\u7d22\u7d50\u679c\u306e\u4e0a\u9650\u30ec\u30b3\u30fc\u30c9\u3092\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\r\n\r\n        String selection = null; \/\/\u691c\u7d22\u6761\u4ef6\r\n        String[] selectionArgs = null;\r\n        String groupBy = null;\r\n        String having = null;\r\n        String orderBy = KEY_ID+\" DESC\";\r\n        String limit = \"1\";\r\n        return db.query(DATABASE_TABLE, cols, selection, selectionArgs, groupBy, having, orderBy ,limit);\r\n\r\n    }\r\n\r\n    public Cursor getDayLocation(int day){\r\n\r\n        String date = getDayString(day);\r\n\r\n        String selection = KEY_DAY+\" = ?\"; \/\/\u691c\u7d22\u6761\u4ef6\r\n        String[] selectionArgs = {date};\r\n        String groupBy = null;\r\n        String having = null;\r\n        String orderBy = KEY_ID;\r\n        String limit = null;\r\n        return db.query(DATABASE_TABLE, cols, selection, selectionArgs, groupBy, having, orderBy ,limit);\r\n\r\n    }\r\n\r\n    public String getDayString(int day){\r\n        currentDate.add(Calendar.DATE, day);\r\n        String date = dayFormatter.format(currentDate.getTime());\r\n        return date;\r\n    }\r\n\r\n    \/**\r\n     * db\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\r\n     *\/\r\n    private boolean databaseExists() {\r\n        File dbFile = new File(this.context.getFilesDir().getParent() + \"\/databases\/\" + DATABASE_NAME);\r\n\r\n        return dbFile.exists();\r\n    }\r\n\r\n\r\n    \/**\r\n     * asset\u306edb\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\r\n     *\/\r\n    private void copyDb() throws IOException {\r\n        \/\/ \u30b3\u30d4\u30fc\u5148\u30d5\u30a9\u30eb\u30c0\r\n        String copyFolder = this.context.getFilesDir().getParent() + \"\/databases\/\";\r\n\r\n        \/\/ \u30d5\u30a9\u30eb\u30c0\u304c\u306a\u3044\u5834\u5408\u306f\u4f5c\u6210\r\n        File checkDirectory = new File(copyFolder);\r\n        if (! checkDirectory.exists()) {\r\n            checkDirectory.mkdir();\r\n        }\r\n\r\n        \/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u30a4\u30f3\u30d7\u30c3\u30c8\u3001\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306e\u30bb\u30c3\u30c8\r\n        InputStream in = this.context.getAssets().open(DATABASE_NAME);\r\n        OutputStream out = new FileOutputStream(copyFolder + DATABASE_NAME);\r\n\r\n        \/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\r\n        byte[] buf = new byte[1024];\r\n        int len = 0;\r\n        while ((len = in.read(buf)) > 0) {\r\n            out.write(buf, 0, len);\r\n        }\r\n\r\n        \/\/ \u30a4\u30f3\u30d7\u30c3\u30c8\u3001\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306e\u30af\u30ed\u30fc\u30ba\r\n        in.close();\r\n        out.close();\r\n    }\r\n}\r\n<\/pre>\n
Activity\u306b\u5b9f\u88c5<\/h3>\n
\r\nDBAdapter db = new DBAdapter(context);\r\ndb.open();\r\ndb.insertLocation(String.valueOf(loc.getLatitude()),String.valueOf(loc.getLongitude()));\r\ndb.close();\r\n<\/pre>\n
\uff0ainsertLocation\u30e1\u30bd\u30c3\u30c9\u3067\u4f4d\u7f6e\u60c5\u5831\u3092DB\u306b\u65e5\u4ed8\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u3057\u3066\u3044\u308b<\/p>\n","protected":false},"excerpt":{"rendered":"
SQLite\u3092\u5b9f\u88c5\uff08DB Browser<\/p>\n","protected":false},"author":1,"featured_media":383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[51],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/660"}],"collection":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/comments?post=660"}],"version-history":[{"count":1,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/660\/revisions"}],"predecessor-version":[{"id":661,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/posts\/660\/revisions\/661"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/media\/383"}],"wp:attachment":[{"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/media?parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/categories?post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blue-bear.jp\/kb\/wp-json\/wp\/v2\/tags?post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}