PopupWindow 点击按钮的泡泡

packagecom.example.popupwindow;importcom.example.popupwindow.R.drawable;importandroid.app.Activity;importandroid.graphics.drawable.BitmapDrawable;importandroid.os.Bundle;importandroid.view.Gravity;importandroid.view.Menu;importandroid.view.MenuItem;importandroid.view.View;importandroid.view.ViewGroup;importandroid.widget.BaseAdapter;importandroid.widget.GridView;importandroid.widget.ImageView;importandroid.widget.ListAdapter;importandroid.widget.PopupWindow;importandroid.widget.TextView;publicclassMainActivityextendsActivity{publicPopupWindow pw;@OverrideprotectedvoidonCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                            }publicvoiddian(View v){//点击事件View view = View.inflate(this, R.layout.popup_window,null);        GridView viewById = (GridView) view.findViewById(R.id.gv);        viewById.setAdapter(newMyActivity());//设置九宫格//设置冒泡pw=newPopupWindow(view,                ViewGroup.LayoutParams.MATCH_PARENT,//填充宽度ViewGroup.LayoutParams.WRAP_CONTENT);//包裹内容填充(内容是View的match填充父窗体,填充父窗体就是包裹内容,包裹内容-->View的填充父窗体--->(两个结合父类的wrap_..)--->GridView的包裹内容)pw.setBackgroundDrawable(newBitmapDrawable());//可绘制的位图pw.setFocusable(true);//设置可聚焦的 //显示/消失//      pw.showAsDropDown(v);//指定在控件上的按钮的下方出现//显示在屏幕下方  (v是按钮v.getparent()是父布局,显示在什么位置,x水平的偏移量,y是垂直的偏移量)pw.showAtLocation((View) v.getParent(), Gravity.BOTTOM,0,0);        }classMyActivityextendsBaseAdapter{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,      };      String []names={"1","2","3","4","5","6","7","8",            };@OverridepublicintgetCount(){// TODO Auto-generated method stubreturnnames.length;        }@OverridepublicObjectgetItem(intposition){// TODO Auto-generated method stubreturnnames[position];        }@OverridepubliclonggetItemId(intposition){// TODO Auto-generated method stubreturnposition;        }@OverridepublicViewgetView(intposition, View convertView, ViewGroup parent){// TODO Auto-generated method stubshuju shju=null;if(convertView==null){                convertView=View.inflate(MainActivity.this, R.layout.item,null);                shju=newshuju();                shju.iv_icon=(ImageView) convertView.findViewById(R.id.iv_icon);                shju.text=(TextView) convertView.findViewById(R.id.text);                convertView.setTag(shju);            }else{                shju=(shuju) convertView.getTag();            }            shju.iv_icon.setImageResource(images[position]);            shju.text.setText(names[position]);returnconvertView;        }classshuju{            ImageView iv_icon;            TextView text;        }    }}

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