Question

setOnItemClickListener（）无法处理Fragment中的gridView

我在A Fragment中有一个gridview我为它设置了一个onItemClick，但是它不起作用

我尝试了public class ImageGalfrag extends Fragment { private Cursor cursor; private int columnIndex; ImageView thumbV; ImageButton videoICON; ArrayList<Bitmap> bitmapArray = new ArrayList<Bitmap>(); // @Override // public void onCreate(Bundle savedInstanceState) { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.gallery_gridview, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); //setContentView(R.layout.gallery_gridview); try { String[] projection = {MediaStore.Images.Thumbnails._ID}; cursor = getActivity().managedQuery( MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, projection, // Which columns to return null, // Return all rows null, MediaStore.Images.Thumbnails.IMAGE_ID); View v = getView(); // Get the column index of the Thumbnails Image ID columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID); GridView sdcardImages = (GridView) v.findViewById(R.id.PhoneImageGrid); sdcardImages.setAdapter(new ImageAdapter(getActivity())); sdcardImages.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView parent, View v, int position, long id) { String[] projection = {MediaStore.Images.Media.DATA}; cursor = getActivity().managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, // Which columns to return null, // Return all rows null, null); columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToPosition(position); String imagePath = cursor.getString(columnIndex); Toast.makeText(getActivity(), "" + imagePath, Toast.LENGTH_SHORT).show(); ImageAdd(imagePath); Intent ImageIntent = new Intent(getActivity(), ZoomImageView.class); ImageIntent.putExtra("ImageName", imagePath); getActivity().startActivity(ImageIntent); } }); } catch (IllegalArgumentException e) { e.printStackTrace(); } } public void ImageAdd(String imagePath){ try { BitmapFactory.Options bmOptions = new BitmapFactory.Options(); Bitmap bitmap = BitmapFactory.decodeFile(imagePath, bmOptions); bitmapArray.add(bitmap); } catch (Exception e) { e.printStackTrace(); } } private class ImageAdapter extends BaseAdapter { private Context context; public ImageAdapter(Context localContext) { context = localContext; } public int getCount() { return cursor.getCount(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView; View grid = null; try { LayoutInflater inflater = getActivity().getLayoutInflater(); if (convertView == null) { try { cursor.moveToPosition(position); int imageID = cursor.getInt(columnIndex); //grid = new View(mContext); grid = inflater.inflate(R.layout.gallery_view, null); //TextView textView = (TextView) grid.findViewById(R.id.grid_text); thumbV = (ImageView) grid.findViewById(R.id.thumbImage); thumbV.setImageURI(Uri.withAppendedPath( MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, "" + imageID)); videoICON = (ImageButton) grid.findViewById(R.id.videoICON); //textView.setText(""); } catch (Exception e) { e.printStackTrace(); } } else { grid = (View) convertView; } } catch (Exception e) { e.printStackTrace(); } return grid; } } }，但仍未点击

这是代码

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:descendantFocusability="blocksDescendants"
    >

    <GridView
        android:id="@+id/PhoneImageGrid"
        android:numColumns="2"
        android:gravity="center"
        android:columnWidth="250dp"
        android:stretchMode="columnWidth"
        android:layout_width="fill_parent"

        android:layout_height="wrap_content"></GridView>

</RelativeLayout>

，布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/fragment_gallery1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="#FFFFFF"
    android:orientation="vertical"
    android:padding="5dp">

    <LinearLayout

        android:id="@+id/fragment_gallery"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#455569"
        android:orientation="vertical"
        android:padding="5dp">

        <ImageView
            android:id="@+id/thumbImage"
            android:layout_width="match_parent"
            android:layout_height="150dp"
            android:layout_gravity="center_horizontal"
            android:background="#CCCCCC"
            android:scaleType="fitXY"
            android:layout_margin="5dp"
            android:src="@mipmap/ic_launcher" />

        <ImageButton
            android:id="@+id/videoICON"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_below="@+id/thumbImage"
            android:layout_gravity="center_horizontal"
            android:layout_marginTop="0dp"
            android:background="#00000000"
            android:scaleType="fitXY" />

    </LinearLayout>
</LinearLayout>

网格项

nice

Answer 1

请勿使用ItemClickListener。

在getView()方法中，在适配器中。这样做：

 @Override
 public View getView(final int position ...

    grid.setOnClickListener(new View.OnClickListener() {
        @Override

    public void onClick(View v) {

    //Do something

    }});

setOnItemClickListener（）不在Fragment中的gridView上工作

1 个答案: