gridView ---图片显示类九宫格

2019-04-15 18:59发布

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[img]http://dl.iteye.com/upload/picture/pic/103302/010f02ee-2242-3827-be53-795fc1af2894.jpg[/img]

[code]
android:id="@+id/grid_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:numColumns="auto_fit"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:columnWidth="90dp"
android:stretchMode="columnWidth"
android:gravity="center"
/>
[/code]

[code]
public class GridViewActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.grid_view);
setTitle("GridViewActivity");
GridView gridview = (GridView) findViewById(R.id.grid_view);
gridview.setAdapter(new ImageAdapter(this));
}


public class ImageAdapter extends BaseAdapter {
private Context mContext;

public ImageAdapter(Context c) {
mContext = c;
}

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

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

public long getItemId(int position) {
return 0;
}

public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) { // if it's not recycled, initialize some attributes
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setPadding(8, 8, 8, 8);
} else {
imageView = (ImageView) convertView;
}

imageView.setImageResource(mThumbIds[position]);
return imageView;
}

// references to our images
private Integer[] mThumbIds = {
R.drawable.grid_view_01, R.drawable.grid_view_02,
......
};
}
}
[/code]

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