实现书架展示排列布局

偏执的太偏执、 2022-09-24 04:22 81阅读 0赞

<?xml version="1.0" encoding="utf-8"?>
     
           
    <GridView xmlns:android="http://schemas.android.com/apk/res/android" 
        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"
    />

package m.usewidget;
     
    import m.usewidget.R;
    
    import android.app.Activity;
    import android.content.Context;
    import android.os.Bundle;
    import android.view.View;
    import android.view.ViewGroup;
    import android.view.Window;
     
    import android.widget.BaseAdapter;
     
     
    import android.widget.GridView;
     
    import android.widget.ImageView;
     
    
    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,
                    R.drawable.grid_view_03, R.drawable.grid_view_04,
                    R.drawable.grid_view_05, R.drawable.grid_view_06,
                    R.drawable.grid_view_07, R.drawable.grid_view_08,
                    R.drawable.grid_view_09, R.drawable.grid_view_10,
                    R.drawable.grid_view_11, R.drawable.grid_view_12,
                    R.drawable.grid_view_13, R.drawable.grid_view_14,
                    R.drawable.grid_view_15, R.drawable.sample_1,
                    R.drawable.sample_2, R.drawable.sample_3,
                    R.drawable.sample_4, R.drawable.sample_5,
                    R.drawable.sample_6, R.drawable.sample_7
            };
        }
     
    
     
    }