我怎样才能从MySQL数据库中的图像和名称到列表视图 [英] how can i get images and names from mysql database into a listview

问题描述

我是得到MySQL数据库的图片到我的Andr​​oid手机。我想随着名称的显示图像     输入code这里M​​ain.java

i am get the images from mysql database to my android mobile . i want to display image along with names enter code here Main.java

 JSONArray json = jArray.getJSONArray("names");
        list=(ListView)findViewById(R.id.list);
         adapter=new ImageAdapter(this, json);
         list.setAdapter(adapter);

 Image adapter.java

 public class ImageAdapter extends BaseAdapter {
Bitmap bmp;
private static LayoutInflater inflater = null;

private ImageView[] mImages;
String[] itemimage;

String itemname;
HashMap<String, String> map = new HashMap<String, String>();

public ImageAdapter(Context context, JSONArray imageArrayJson) {
    this.mImages = new ImageView[imageArrayJson.length()];
    String qrimage;
    try {

        for (int i = 0; i < imageArrayJson.length(); i++) {
            JSONObject image = imageArrayJson.getJSONObject(i);
            qrimage = image.getString("itemimage");
            itemname = image.getString("itemname");
            map.put("itemname", image.getString("itemname"));
            System.out.println(itemname);

            byte[] qrimageBytes = Base64.decode(qrimage.getBytes());

            bmp = BitmapFactory.decodeByteArray(qrimageBytes, 0,
                    qrimageBytes.length);
            int width = 100;
            int height = 100;
      Bitmap resizedbitmap =                                          
             Bitmap.createScaledBitmap(bmp,width,
                    height, true);

            Log.e("Image Height", " Height = " + bmp.getHeight()
                    + " , Width = " + bmp.getWidth());

            mImages[i] = new ImageView(context);
            mImages[i].setImageBitmap(resizedbitmap);

            mImages[i].setScaleType(ImageView.ScaleType.FIT_START);

        }

    } catch (Exception e) {
        // TODO: handle exception
    }
}

public int getCount() {
    return mImages.length;
}

public Object getItem(int position) {
    return position;
}

public long getItemId(int position) {
    return position;
}

public View getView(int position, View convertView, ViewGroup parent) {


    return mImages[position];

}
 }
  my xml
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<ListView
    android:id="@+id/list"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
     />


 </LinearLayout>

以上codei又能够从服务器查看从mysql数据库中的图片到我的Andr​​oid手机。我想随着列表视图中的项目名称在底座适配器，轻松查看，我可以显示我要显示所有项目名称都images.like显示itemimages。我打印与itemNames从数据库打印所有名称。我想显示图像和名称列表视图

the above code i can able to view the images from the mysql database from server to my android mobile. i want display itemimages along with item names in list view in base adapter get view i can display all images.like that i want display all item names. i print itemnames it print all names from database . i want display images and names in list view

推荐答案

您可以创建一个显示元素的列表活动，也创造这将对您的单一列表的元素设计一个单独的XML布局文件。其所谓创建自定义列表视图。 看看这个教程 HTTP：//www.softwarepassion。 COM / Android的系列定制列表视图项 - 和 - 适配器/ 以获取更多信息。

you can create a list activity for display elements and also create a separate xml layout file which will have the design of your single element of the list. its called creating a custom list view. have a look at this tutorial http://www.softwarepassion.com/android-series-custom-listview-items-and-adapters/ for further information.

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