大家好我在水平gridview上制作捕捉图像但是我遇到了一些问题。 gridview项目包含图像，但项目相互重叠我如何在这里做我的代码
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.zzbothtime.MainActivity" >
<HorizontalScrollView
android:id="@+id/horizontalScrollView1"
android:layout_width="match_parent"
android:layout_height="100dp"
android:layout_below="@+id/seatLegendLayout" >
<FrameLayout
android:layout_width="fill_parent"
android:layout_height="match_parent" >
<LinearLayout
android:id="@+id/linearLayout_gridtableLayout"
android:layout_width="900dp"
android:layout_height="100dp"
android:orientation="horizontal" >
<GridView
android:id="@+id/gridView1"
android:layout_width="fill_parent"
android:layout_height="100dp"
android:layout_margin="4dp"
android:columnWidth="100dp"
android:gravity="center"
android:horizontalSpacing="0dp"
android:numColumns="auto_fit"
android:scrollbarAlwaysDrawHorizontalTrack="true"
android:scrollbarAlwaysDrawVerticalTrack="true"
android:scrollbars="horizontal"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp" >
</GridView>
</LinearLayout>
</FrameLayout>
</HorizontalScrollView>
<Button
android:id="@+id/btnAdd"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_alignLeft="@+id/horizontalScrollView1"
android:layout_alignParentBottom="true"
android:layout_marginBottom="33dp"
android:onClick="btnAddOnClick"
android:text="Ekle" />
MainActivityCode
public class MainActivity extends Activity {
@SuppressWarnings("deprecation")
private ArrayList<MyImage> images;
private ImageAdapter imageAdapter;
private GridView listView;
private Uri mCapturedImageURI;
private static final int RESULT_LOAD_IMAGE = 1;
private static final int REQUEST_IMAGE_CAPTURE = 2;
private Handler handler;
Dialog dialog ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
dialog = new Dialog(this);
dialog.setContentView(R.layout.popupchoose);
dialog.setTitle("Alert Dialog View");
images = new ArrayList<MyImage>();
// Create the adapter to convert the array to views
imageAdapter = new ImageAdapter(this, images);
// Attach the adapter to a ListView
listView = (GridView) findViewById(R.id.gridView1);
listView.setAdapter(imageAdapter);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
Button btnExit = (Button) dialog.findViewById(R.id.btnExit);
btnExit.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
dialog.dismiss();
}
});
dialog.findViewById(R.id.btnChoosePath)
.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
activeGallery();
}
});
dialog.findViewById(R.id.btnTakePhoto)
.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
activeTakePhoto();
}
});
// show dialog on screen
dialog.show();
}
});
listView.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
// TODO Auto-generated method stub
imageAdapter.remove(images.remove(position));
return false;
}
});
}
public void btnAddOnClick(View view) {
dialog = new Dialog(this);
dialog.setContentView(R.layout.popupchoose);
dialog.setTitle("Alert Dialog View");
Button btnExit = (Button) dialog.findViewById(R.id.btnExit);
btnExit.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
dialog.dismiss();
}
});
dialog.findViewById(R.id.btnChoosePath)
.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
activeGallery();
}
});
dialog.findViewById(R.id.btnTakePhoto)
.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
activeTakePhoto();
}
});
// show dialog on screen
dialog.show();
}
private void activeTakePhoto() {
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
String fileName = "temp.jpg";
ContentValues values = new ContentValues();
values.put(MediaStore.Images.Media.TITLE, fileName);
mCapturedImageURI = getContentResolver()
.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
values);
takePictureIntent
.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageURI);
startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
}
}
/**
* to gallery
*/
private void activeGallery() {
Intent intent = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent, RESULT_LOAD_IMAGE);
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case RESULT_LOAD_IMAGE:
if (requestCode == RESULT_LOAD_IMAGE &&
resultCode == RESULT_OK && null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver()
.query(selectedImage, filePathColumn, null, null,
null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
MyImage image = new MyImage();
image.setTitle("Test");
image.setDescription(" add list view");
image.setDatetime(System.currentTimeMillis());
image.setPath(picturePath);
images.add(image);
imageAdapter = new ImageAdapter(this, images);
// Attach the adapter to a ListView
listView = (GridView) findViewById(R.id.gridView1);
listView.setAdapter(imageAdapter);
// listView.setSelection(imageAdapter.getCount()-1);
imageAdapter.notifyDataSetChanged();
}
case REQUEST_IMAGE_CAPTURE:
if (requestCode == REQUEST_IMAGE_CAPTURE &&
resultCode == RESULT_OK) {
String[] projection = {MediaStore.Images.Media.DATA};
Cursor cursor =
managedQuery(mCapturedImageURI, projection, null,
null, null);
int column_index_data = cursor.getColumnIndexOrThrow(
MediaStore.Images.Media.DATA);
cursor.moveToFirst();
String picturePath = cursor.getString(column_index_data);
MyImage image = new MyImage();
image.setTitle("Test");
image.setDescription("list view");
image.setDatetime(System.currentTimeMillis());
image.setPath(picturePath);
images.add(image);
imageAdapter = new ImageAdapter(this, images);
// Attach the adapter to a ListView
listView = (GridView) findViewById(R.id.gridView1);
listView.setAdapter(imageAdapter);
// listView.setSelection(imageAdapter.getCount()-1);
imageAdapter.notifyDataSetChanged();
}
}
}
}
myAdapter
public class ImageAdapter extends ArrayAdapter<MyImage>{
private static class ViewHolder {
ImageView imgIcon;
TextView description;
}
public ImageAdapter(Context context, ArrayList<MyImage> images) {
super(context,0, images);
// TODO Auto-generated constructor stub
}
@Override public View getView(int position, View convertView,
ViewGroup parent) {
// view lookup cache stored in tag
ViewHolder viewHolder;
// Check if an existing view is being reused, otherwise inflate the
// item view
if (convertView == null) {
viewHolder = new ViewHolder();
convertView = LayoutInflater.from(getContext()).inflate(R.layout.activity_gallery_item, parent, false);
/*
viewHolder.description =
(TextView) convertView.findViewById(R.id.item_img_infor);
*/
viewHolder.imgIcon =(ImageView) convertView.findViewById(R.id.id_index_gallery_item_image);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
// Get the data item for this position
MyImage image = getItem(position);
final int THUMBSIZE = 300;
// viewHolder.imgIcon.setImageURI(Uri.fromFile(new File(image
// .getPath())));
viewHolder.imgIcon.setImageBitmap(ThumbnailUtils
.extractThumbnail(BitmapFactory.decodeFile(image.getPath()),
THUMBSIZE, THUMBSIZE));
viewHolder.imgIcon.setScaleType(ImageView.ScaleType.FIT_XY);
// Return the completed view to render on screen
return convertView;
}
}
MyImageClass
public class MyImage {
private String title, description, path;
private Calendar datetime;
private long datetimeLong;
protected SimpleDateFormat df = new SimpleDateFormat("MMMM d, yy h:mm");
public String getTitle() { return title; }
public Calendar getDatetime() { return datetime; }
public void setDatetime(long datetimeLong) {
this.datetimeLong = datetimeLong;
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(datetimeLong);
this.datetime = cal;
}
public void setDatetime(Calendar datetime) { this.datetime = datetime; }
public String getDescription() { return description; }
public void setTitle(String title) { this.title = title; }
public long getDatetimeLong() { return datetimeLong; }
public void setDescription(String description) {
this.description = description;
}
public void setPath(String path) { this.path = path; }
public String getPath() { return path; }
@Override public String toString() {
return "Title:" + title + " " + df.format(datetime.getTime()) +
"\nDescription:" + description + "\nPath:" + path;
}
}