要解决Android循环图像视图不居中图像的问题,可以通过自定义图片适配器来实现。以下是一个示例的解决方法,包含了代码示例:
public class CustomImageAdapter extends BaseAdapter {
private Context mContext;
private int[] mImages;
public CustomImageAdapter(Context context, int[] images) {
mContext = context;
mImages = images;
}
@Override
public int getCount() {
return mImages.length;
}
@Override
public Object getItem(int position) {
return mImages[position];
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) {
imageView = new ImageView(mContext);
imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(mImages[position]);
return imageView;
}
}
public class MainActivity extends AppCompatActivity {
private int[] mImages = {R.drawable.image1, R.drawable.image2, R.drawable.image3};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
CustomImageAdapter adapter = new CustomImageAdapter(this, mImages);
Gallery gallery = findViewById(R.id.gallery);
gallery.setAdapter(adapter);
}
}
在这个示例中,我们通过设置ImageView的ScaleType为CENTER_INSIDE来实现图像居中显示。可以根据实际需要调整ScaleType为其他的值,比如FIT_CENTER等。同时,根据你使用的循环图像视图的类型,需要相应地修改代码中的部分内容。