我已经从URL中检索图像。我想将这个图像插入到SQLite数据库中。 我试过在编码后插入它,但是一个sting值正在被存储。任何人都可以建议如何插入图片到SQLite数据库。这里是我的代码:如何在android中插入图像到sqlite数据库?
Login.java
final String t1=user.getId();
final String t2=user.getName();
AsyncTask<Void, Void, Bitmap> t = new AsyncTask<Void, Void, Bitmap>(){
@Override
protected Bitmap doInBackground(Void... arg0) {
// TODO Auto-generated method stub
Bitmap bm = null;
try {
URL aURL = new URL("http://graph.facebook.com/"+t1+"/picture?type=small");
URLConnection conn = aURL.openConnection();
conn.setUseCaches(true);
conn.connect();
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
bm = BitmapFactory.decodeStream(bis);
bis.close();
is.close();
}
catch (IOException e) {
e.printStackTrace();
}
return bm;
}
protected void onPostExecute(Bitmap bm){
//Drawable drawable = new BitmapDrawable(getResources(), bm);
Bitmap b1=bm;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
b1.compress(Bitmap.CompressFormat.JPEG, 100, baos);
byte[] b = baos.toByteArray();
// Log.w("bit",""+drawable);
String encodedImage = Base64.encodeToString(b,Base64.DEFAULT);
fbdetails.put("fbname",t2);
fbdetails.put("fbuserid",t1);
fbdetails.put("fbpic",encodedImage);
db.insertme(fbdetails);
}
};
t.execute();
}
});
Databasehandler.java
public void insertme(HashMap<String, String> queryValues) {
SQLiteDatabase database = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put("fbname", queryValues.get("fbname"));
values.put("fbuserid", queryValues.get("fbuserid"));
values.put("fbpic", queryValues.get("fbpic"));
database.insert("me", null, values);
database.close();
}
检查这些链接,螨是有帮助的。在V http://stackoverflow.com/questions/17448405/save-image-in-sqlite-数据库从服务器的URL http://stackoverflow.com/questions/18798189/adding-image-to-android-sqlite-database http://stackoverflow.com/questions/17482575/保存图像 - 从-URL-TO- sqlite数据库 –