PopWindow示例(转载)

package cn.roco.popwindow; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import android.app.Activity; import android.graphics.drawable.BitmapDrawable; import android.os.Bundle; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.GridView; import android.widget.ListAdapter; import android.widget.PopupWindow; import android.widget.SimpleAdapter; public class MainActivity extends Activity { private PopupWindow popupWindow; private View parent; /**菜单弹出来时候的菜单项图案*/ private int[] images = { R.drawable.i1, R.drawable.i2, R.drawable.i3, R.drawable.i4, R.drawable.i5, R.drawable.i6, R.drawable.i7, R.drawable.i8 }; /**菜单弹出来时候的菜单项文字*/ private String[] names = { "搜索", "文件管理", "下载管理", "全屏", "网址", "书签", "加入书签", "分享页面" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /**PopupWindow的界面*/ View contentView = getLayoutInflater() .inflate(R.layout.popwindow, null); /**网格布局界面*/ GridView gridView = (GridView) contentView.findViewById(R.id.gridView); /**设置网格布局的适配器*/ gridView.setAdapter(getAdapter()); /**设置网格布局的菜单项点击时候的Listener*/ gridView.setOnItemClickListener(new ItemClickListener()); /**初始化PopupWindow*/ popupWindow = new PopupWindow(contentView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); popupWindow.setFocusable(true);// 取得焦点 popupWindow.setBackgroundDrawable(new BitmapDrawable()); /**设置PopupWindow弹出和退出时候的动画效果*/ popupWindow.setAnimationStyle(R.style.animation); parent = this.findViewById(R.id.main); } private final class ItemClickListener implements OnItemClickListener{ @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (popupWindow.isShowing()) { popupWindow.dismiss();//关闭 } } } /**返回网格布局的适配器*/ private ListAdapter getAdapter() { List<HashMap<String, Object>> data = new ArrayList<HashMap<String, Object>>(); for (int i = 0; i < images.length; i++) { HashMap<String, Object> item = new HashMap<String, Object>(); item.put("image", images[i]); item.put("name", names[i]); data.add(item); } SimpleAdapter simpleAdapter = new SimpleAdapter(this, data, R.layout.grid_item, new String[] { "image", "name" }, new int[] { R.id.imageView, R.id.textView }); return simpleAdapter; } public void openPopWindow(View v) { /**设置PopupWindow弹出后的位置*/ popupWindow.showAtLocation(parent, Gravity.BOTTOM, 0, 0); } }