我试图从我的SD卡加载数据库文件,但是发出异常。 下面是例外无法以读取/写入模式打开数据库
org.sqlite.database.sqlite.SQLiteException: not an error (code 0): Could not open the database in read/write mode.
这里是我的代码:
public void csr_test_1() throws Exception
{
DB_PATH=new File("/storage/sdcard1/sk2.db");
SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabase(DB_PATH, null);
String res = "";
Cursor c = db.rawQuery("SELECT synsetid, w2.lemma FROM sense LEFT JOIN word AS w2 ON w2.wordid=sense.wordid WHERE sense.synsetid IN (SELECT sense.synsetid FROM word AS w1 LEFT JOIN sense ON w1.wordid=sense.wordid WHERE w1.lemma='"+ "life" + "') AND w2.lemma<>'" + "life" + "'", null);
if(c!=null){
boolean bRes;
for(bRes=c.moveToFirst(); bRes; bRes=c.moveToNext()){
String x = c.getString(0);
res = res + "." + x;
}
}else{
}
test_result("csr_test_1.1", res, ".one.two.three");
db.close();
test_result("csr_test_1.2", db_is_encrypted(), "unencrypted");
}
这些许可我使用
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="com.android.vending.BILLING" />
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请帮助我出去...谢谢小号
你检查你的权限读取/写入外部存储? –
您是否在您的Manifest文件中添加了<使用权限android:name =“android.permission.WRITE_EXTERNAL_STORAGE”/>' – CRUSADER
Hi hi crusader 我已经添加了我的AndroidMainfest.xml的权限 仍然无法正常工作,它工作正常与模拟器,但是当我在设备中运行它显示一个exceptoion。 – Yushi