Im trying to put image(String) from database with SqlHelper class.But I have some errors when I do this.(Errors below).Im try to many way,but see the same errors.Maybe I cant to put http link to database? MainActivity:
public class MainActivity extends ListActivity {
private Context context;
SqlHelper dbHelper;
Intent intent;
private static String url = "http://ift.tt/1MiJRNN";
private static final String TITLE = "title";
private static final String DESCRIPTION = "description";
private static final String IMAGE = "image";
ArrayList<HashMap<String,String>> jsonlist = new ArrayList<HashMap<String, String>>();
ArrayList<HashMap<String,String>> bdList;
ListView lv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(isNetworkConnected()==true) {
new ProgressTask(MainActivity.this).execute();
}
ForItemClick();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.reload) {
new ProgressTask(MainActivity.this).execute();
}
else if(id == R.id.menu_item_share){
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_TEXT, "Put whatever you want");
startActivity(Intent.createChooser(intent,"Share via"));
}
return super.onOptionsItemSelected(item);
}
private class ProgressTask extends AsyncTask<String,Void,Boolean> {
private ProgressDialog dialog;
private ListActivity activity;
private Context context;
public ProgressTask(MainActivity activity) {
this.activity = activity;
context = activity;
dialog = new ProgressDialog(context);
}
protected void onPreExecute(){
this.dialog.setMessage("Progress start");
this.dialog.show();
}
protected void onPostExecute(final Boolean success){
try{
if((this.dialog != null)&& this.dialog.isShowing()){
this.dialog.dismiss();
}
if(isNetworkConnected()==true) {
CustomListAdapter adapter = new CustomListAdapter(MainActivity.this, jsonlist, R.layout.list_item, new String[]{TITLE, DESCRIPTION}, new int[]{R.id.title, R.id.description});
lv.setAdapter(adapter);
}else
{
displaysavedlv();
}
}catch (final IllegalArgumentException e){e.printStackTrace();}
}
protected Boolean doInBackground(String... args) {
dbHelper = new SqlHelper(MainActivity.this);
JSONParser jParser = new JSONParser();
JSONArray json = jParser.getJSONFromUrl(url);
for(int i =0;i<json.length();i++) {
try {
JSONObject c = json.getJSONObject(i);
String vtitle = c.getString(TITLE);
String vdescription = c.getString(DESCRIPTION);
String vimage = c.getString(IMAGE);
dbHelper.open();
dbHelper.createEntry(vtitle,vdescription,vimage);
dbHelper.close();
HashMap<String, String> map = new HashMap<>();
map.put(TITLE, vtitle);
map.put(DESCRIPTION, vdescription);
map.put(IMAGE, vimage);
jsonlist.add(map);
} catch (JSONException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
bdList = dbHelper.getAllData();
return null;
}
}
private void displaysavedlv(){
CustomListAdapter adapter1 = new CustomListAdapter(MainActivity.this,bdList,R.id.list_item,new String[]{TITLE,DESCRIPTION},new int[]{R.id.title,R.id.description});
lv.setAdapter(adapter1);
}
private boolean isNetworkConnected() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo ni = cm.getActiveNetworkInfo();
if (ni == null) {
// There are no active networks.
return false;
} else
return true;
}
public void ForItemClick(){
lv=(ListView) findViewById(android.R.id.list);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String title1 = jsonlist.get(position).get("title");
String description1 = jsonlist.get(position).get("description");
String url1 = jsonlist.get(position).get("image");
intent = new Intent(MainActivity.this, DetailInfo.class);
intent.putExtra("title", title1);
intent.putExtra("description", description1);
intent.putExtra("url", url1);
startActivity(intent);
}
});
};
}
SqlHelper:
public class SqlHelper {
String title;
String description;
String image;
private static final String TEXT_TYPE = " TEXT";
private static final String COMMA_SEP = ",";
public static final String KEY_ROWID = "_id";
public static final String KEY_TITLE = "title";
public static final String KEY_DESCRIPTION = "description";
public static final String KEY_IMAGE = "image";
private SqlHelper mDb;
private static final String DATABASE_NAME = "DBCategory";
private static final String DATABASE_TABLE = "categoryTable";
private static final int DATABASE_VERSION = 1;
private static final String SQL_CREATE_ENTRIES =
"CREATE TABLE " + DATABASE_TABLE + " (" +
KEY_ROWID + " INTEGER PRIMARY KEY," +
KEY_TITLE + TEXT_TYPE + COMMA_SEP +
KEY_DESCRIPTION + TEXT_TYPE + COMMA_SEP + KEY_IMAGE + TEXT_TYPE +
" )";
private DbHelper ourHelper;
private final Context ourContext;
private SQLiteDatabase ourDatabase;
public SqlHelper(Context c) throws SQLException {
ourContext = c;
try {
open();
} catch (SQLException e) {
e.printStackTrace();
}
}
public SqlHelper open() throws SQLException{
ourHelper = new DbHelper(ourContext);
ourDatabase = ourHelper.getWritableDatabase();
return this;
}
public void close(){
ourHelper.close();
}
private static class DbHelper extends SQLiteOpenHelper{
public DbHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
// TODO Auto-generated constructor stub
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("CREATE TABLE " + DATABASE_TABLE + " (" +
KEY_ROWID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
KEY_TITLE + " TEXT NOT NULL," + KEY_IMAGE + " TEXT NOT NULL," + KEY_DESCRIPTION + " TEXT NOT NULL );"
);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
db.execSQL("DROP TABLE IF EXISTS " + DATABASE_TABLE);
onCreate(db);
}
}
public long createEntry(String title, String image,String description) {
ContentValues cv = new ContentValues();
cv.put(KEY_TITLE, title);
cv.put(KEY_IMAGE, image);
cv.put(KEY_DESCRIPTION,description);
return ourDatabase.insert(DATABASE_TABLE, null, cv);
}
public ArrayList<HashMap<String, String>> getAllData()
{
ArrayList<HashMap<String, String>> array_list = new ArrayList<HashMap<String, String>>();
//hp = new HashMap();
SQLiteDatabase db = this.ourHelper.getReadableDatabase();
Cursor res = db.rawQuery( "select * from categoryTable", null );
res.moveToFirst();
while(res.isAfterLast() == false){
HashMap<String,String> hashmap = new HashMap<String, String>();
hashmap.put("title", res.getString(res.getColumnIndex(title)));
hashmap.put("description", res.getString(res.getColumnIndex(description)));
hashmap.put("image", res.getString(res.getColumnIndex(image)));
array_list.add(hashmap);
res.moveToNext();
}
return array_list;
}
}
Errors:
11910-11929/com.example.vnvbnv.myapplication E/SQLiteLog﹕ (1) table categoryTable has no column named image
09-25 15:56:46.467 11910-11929/com.example.vnvbnv.myapplication E/SQLiteDatabase﹕ Error inserting image=http://ift.tt/1Kz9BEN title=Случайный хомяк 27 description=Случайное фото случайного хомячка. Он тут — для массовости!
android.database.sqlite.SQLiteException: table categoryTable has no column named image (code 1): , while compiling: INSERT INTO categoryTable(image,title,description) VALUES (?,?,?)
at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:909)
at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:520)
at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1523)
at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1395)
at com.example.vnvbnv.myapplication.SqlHelper.createEntry(SqlHelper.java:93)
at com.example.vnvbnv.myapplication.MainActivity$ProgressTask.doInBackground(MainActivity.java:159)
at com.example.vnvbnv.myapplication.MainActivity$ProgressTask.doInBackground(MainActivity.java:113)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:864)
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