我需要一些帮助，拜托。
在我的 gridview 中，gridview 的 item 中有一个 imageView 和 TextView 。我想让 GridView 图片更大，发现只是图片更大，但控件没有改变。所以我想让GridView控件更大。
我尝试实现图片效果，我想让GridView控件变得更大，而不仅仅是图片更大。请帮助我，非常感谢。
MainActivity.java
private GridView mGridview;
private List<PhotoLink> mProgramList;
private ImageView imageView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mProgramList = new ArrayList<PhotoLink>();
for (PhotoLink mPhotoL : Data.broadcastLiving) {
mProgramList.add(mPhotoL);
}
mGridview = (GridView) findViewById(R.id.gridview);
mGridview.setAdapter(new ImageAdapter(this, mProgramList));
mGridview.setOnItemClickListener(new GridViewOnItemClickListener());
mGridview.setOnItemSelectedListener(new GridViewItemSelectedListener());
mGridview.setOnFocusChangeListener(new GridViewOnFocusChangeListener(
mGridview));
}
private class GridViewOnItemClickListener implements OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Toast.makeText(MainActivity.this, "" + position, Toast.LENGTH_SHORT)
.show();// 显示信息;
}
}
private class GridViewItemSelectedListener implements
OnItemSelectedListener {
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
System.out.println("arg2........." + arg2);
ImageAdapter imageAdapter = (ImageAdapter) arg0.getAdapter();
System.out.println("arg1.getWidth()=====" + arg1.getWidth());
System.out.println("arg1.getHeight()=====" + arg1.getHeight());
imageAdapter.notifyDataSetChanged(arg2);
}
public void onNothingSelected(AdapterView<?> arg0) {
}
}
private class GridViewOnFocusChangeListener implements
OnFocusChangeListener {
private ImageAdapter mImageAdapter;
private GridView mGridView;
public GridViewOnFocusChangeListener(GridView gridView) {
mGridView = gridView;
mImageAdapter = (ImageAdapter) mGridView.getAdapter();
}
public void onFocusChange(View v, boolean hasFocus) {
if (!hasFocus) {
mImageAdapter.notifyDataSetChanged(-1);
} else {
mImageAdapter.notifyDataSetChanged(mGridView
.getSelectedItemPosition());
}
}
}
ImageAdapter.java
public class ImageAdapter extends BaseAdapter {
private Context mContext;
private List<PhotoLink> mPhotoLink = null;
private int selected = -1;
public ImageAdapter(Context c, List<PhotoLink> photoLink) {
this.mContext = c;
this.mPhotoLink = photoLink;
}
@Override
public int getCount() {
return mPhotoLink.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
public void notifyDataSetChanged(int id) {
selected = id;
super.notifyDataSetChanged();
}
public class ViewHolder {
ImageView screenShotImage;
TextView tvProgramID;
public ViewHolder(View view) {
this.screenShotImage = (ImageView) view
.findViewById(R.id.screen_shot);
this.tvProgramID = (TextView) view.findViewById(R.id.tv_program_id);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = null;
ViewHolder holder = null;
view = View.inflate(mContext, R.layout.programrunning, null);
holder = new ViewHolder(view);
if (selected == position) {
Animation testAnim = AnimationUtils.loadAnimation(mContext,
R.anim.anim);
holder.screenShotImage.startAnimation(testAnim);
// holder.screenShotImage.setScaleType(ScaleType.CENTER_CROP);
} else {
holder.screenShotImage.setScaleType(ScaleType.CENTER_INSIDE);
}
holder.screenShotImage.setImageResource(mPhotoLink.get(position)
.getPhotoID());
return view;
}
数据.java
public class Data {
public static final PhotoLink[] broadcastLiving = {
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.ic_launcher, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world),
new PhotoLink(R.drawable.scenery, R.string.hello_world) };
}
照片链接
class PhotoLink {
private int photoID;
private int programID;
public PhotoLink(int photoID, int programID) {
this.setPhotoID(photoID);
this.setprogramID(programID);
}
public int getPhotoID() {
return photoID;
}
public void setPhotoID(int photoID) {
this.photoID = photoID;
}
public int getprogramID() {
return programID;
}
public void setprogramID(int programID) {
this.programID = programID;
}