Databases
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POdatabase fail to create
 

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  1. POdatabase fail to create
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    <p>The following code it does not create database file in /data/data/.The application run successfully in emulator. How can I use that created database file to upgrade that database using third party applications?</p> <p><strong>tapdb.java</strong></p> <pre><code>package com.android.tap; // entry has not been cre import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; public class tapdb { public static final String KEY_ROWID="_id"; public static final String KEY_CODE="key_code"; public static final String KEY_WORD="word"; public static final String DATABASE_NAME="tapdatabase"; public static final String DATABASE_TABLE="tapData"; public static final int DATABASE_VERSION=1; private DbHelper ourHelper; private final Context ourContext; private SQLiteDatabase ourDatabase; private static class DbHelper extends SQLiteOpenHelper { public DbHelper(Context context) { super(context,DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("CREATE TABLE" + DATABASE_TABLE + "(" +KEY_WORD + "TEXT NOT NULL" KEY_CODE + "LONG);"); db.execSQL("INSERT INTO tapdatabase VALUES('hello',23334);"); db.execSQL("INSERT INTO tapdatabase VALUES('how',242);"); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { // TODO Auto-generated method stub db.execSQL("DROP TABLE IF EXISTS" + DATABASE_TABLE ); onCreate(db); } } public tapdb (Context c) { ourContext = c; } public tapdb open() { ourHelper = new DbHelper(ourContext); ourDatabase = ourHelper.getWritableDatabase(); return this; } public void close(){ ourHelper.close(); } public long createEntry(String word,String keycode){ ContentValues cv = new ContentValues(); cv.put(KEY_WORD, word); cv.put(KEY_CODE, keycode); return ourDatabase.insert(DATABASE_TABLE, null, cv); } public String getWord(long l) { String[] columns = new String[] {KEY_ROWID, KEY_WORD, KEY_CODE}; Cursor c = ourDatabase.query(DATABASE_TABLE, columns, KEY_ROWID + "=" + l, null, null, null, null); if (c != null) { c.moveToFirst(); String hotness = c.getString(1); return hotness; } return null; } } </code></pre>
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    1. PTQuestion
    1. USVikalp Patel
    1. USTUSWAY
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    1. PO
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    1. VO
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      1. POdatabase fail to create
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      1. VTApproveEditSuggestion
    1. COis your creating-database code work? I wonder it's not!!
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      1. POdatabase fail to create
      1. USKingfisher Phuoc
    2. COyeah it's working
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      1. POdatabase fail to create
      1. USTUSWAY
    3. COyour create-statement looks like: `CREATE TABLEtapData(......);`, so I wonder that it didnt' work!!
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      1. POdatabase fail to create
      1. USKingfisher Phuoc
 

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