Android中GridView来显示图片
16lz
2021-12-04
public class MainActivity extends Activity {private GridView gridView;private int res[] = new int[] {R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03 };@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);gridView = (GridView) findViewById(R.id.gridView1); List> data = new ArrayList>(); for(int i=0;i map = new HashMap(); map.put("imageView",res[i]); data.add(map); } SimpleAdapter simpleAdapter = new SimpleAdapter(this, data,R.layout.activity_cell , new String[]{"imageView"}, new int[]{R.id.imageView1});gridView.setAdapter(simpleAdapter);//思考题 在Gridview中 SimpleAdpater 图片添加事件gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {//可以显示图片大图Toast.makeText(getApplicationContext(), "xxxx"+res[position], Toast.LENGTH_LONG).show();}});}@Overridepublic 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;}}
activity_main.xml
activity_cell.xml
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