pu blic 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 }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); gridView = (GridView) findViewById(R.id.gridView1); List<Map<String, Object>> data = new ArrayList<Map<String,Object>>(); for(int i=0;i<res.length;i++){ Map<String,Object> map = new HashMap<String, Object>(); 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); //思考題 在Gridview中 SimpleAdpater 圖片添加事件 gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { //可以顯示圖片大圖 Toast.makeText(getApplicationContext(), "xxxx"+res[position], Toast.LENGTH_LONG).show(); } }); } @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; } }
<RelativeLayout xmlns:android="https://schemas.android.com/apk/res/android" xmlns:tools="https://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <GridView android:id="@+id/gridView1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:numColumns="5" > </GridView> </RelativeLayout>