Layout1.9

GridView

android:numColumns="auto_fit" 列数自动设置

android:columnWidth="90dp" 列宽

android:verticalSpacing="10dp" 行间距

android:horizontalSpacing="10dp" 列间距

android:stretchMode="columnWidth" 缩放方式

package com.example.android_grid_layout;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;public class MainActivity extends Activity {private GridView gv;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                gv = (GridView)this.findViewById(R.id.gridView);        ImageAdapter adapter = new ImageAdapter();        gv.setAdapter(adapter);    }        class ImageAdapter extends BaseAdapter{    private Integer[] mThumbIds = {                R.drawable.sample_2, R.drawable.sample_3,                R.drawable.sample_4, R.drawable.sample_5,                R.drawable.sample_6, R.drawable.sample_7,                R.drawable.sample_0, 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,                R.drawable.sample_0, 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,                R.drawable.sample_6, R.drawable.sample_7,                R.drawable.sample_0, 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,                R.drawable.sample_0, 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,                R.drawable.sample_6, R.drawable.sample_7        };    @Overridepublic int getCount() {return mThumbIds.length;}@Overridepublic Object getItem(int position) {return mThumbIds[position];}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView imageView;        if (convertView == null) {            imageView = new ImageView(MainActivity.this);            // 设置布局参数 大小尺寸            imageView.setLayoutParams(new GridView.LayoutParams(180, 180));            // 图片截取类型            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);            // 上下左右内边距            imageView.setPadding(1, 1, 1, 1);        } else {            imageView = (ImageView) convertView;        }        imageView.setImageResource(mThumbIds[position]);        return imageView;}    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    }

图片带文字：

package com.example.android_grid_layout;import android.app.Activity;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.GridView;import android.widget.ImageView;import android.widget.TextView;public class MainActivity2 extends Activity {private GridView gv;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                gv = (GridView)this.findViewById(R.id.gridView);        ImageAdapter adapter = new ImageAdapter();        gv.setAdapter(adapter);    }        class ImageAdapter extends BaseAdapter{    private Integer[] mThumbIds = {                R.drawable.sample_2, R.drawable.sample_3,                R.drawable.sample_4, R.drawable.sample_5,                R.drawable.sample_6, R.drawable.sample_7,                R.drawable.sample_0, 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,                R.drawable.sample_0, R.drawable.sample_1        };        private String[] descs = {                "描述1", "描述2",                "描述3", "描述4",                "描述5", "描述6",                "描述7", "描述8",                "描述9", "描述10",                "描述11", "描述12",                "描述13", "描述14",                "描述13", "描述14"        };    @Overridepublic int getCount() {return mThumbIds.length;}@Overridepublic Object getItem(int position) {return mThumbIds[position];}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView imageView;TextView textView;        if (convertView == null) {        convertView = getLayoutInflater().inflate(R.layout.grid_item, null);        }                imageView = (ImageView) convertView.findViewById(R.id.imageView1);            textView = (TextView) convertView.findViewById(R.id.textView1);            // 设置布局参数 大小尺寸//            imageView.setLayoutParams(new GridView.LayoutParams(90, 90));            // 图片截取类型//            imageView.setScaleType(ImageView.ScaleType.FIT_XY);            // 上下左右内边距//            imageView.setPadding(1, 1, 1, 1);        imageView.setImageResource(mThumbIds[position]);        textView.setText(descs[position]);                return convertView;}    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    }

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