以下為完整的程式碼
public class MainActivity extends AppCompatActivity {
private GridView gridView;
private int[] image = {R.drawable.one,R.drawable.two,R.drawable.three
,R.drawable.four,R.drawable.five};
private String[] imgtxt = {"1","2","3","4","5"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
List<Map<String, Object>> items = new ArrayList<>();
for (int i = 0; i < image.length; i++) {
Map<String, Object> item = new HashMap<>();
item.put("image", image[i]);
item.put("text", imgtxt[i]);
items.add(item);
}
SimpleAdapter adapter = new SimpleAdapter(this,
items, R.layout.gridview_item, new String[]{"image", "text"},
new int[]{R.id.image, R.id.text});
gridView = (GridView)findViewById(R.id.gridview);
gridView.setNumColumns(2);
gridView.setAdapter(adapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Toast.makeText(MainActivity.this, "Choice " + imgtxt[position],
Toast.LENGTH_SHORT).show();
}
});
}
}
