Android 自定义弹出菜单和对话框功能实例代码

protected void showPopWindow(View view, final int pos){  WindowManager wm= (WindowManager) myContext.getSystemService(Context.WINDOW_SERVICE);  int width=wm.getDefaultDisplay().getWidth();  LayoutInflater layoutInflater=(LayoutInflater)myContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);  View popView=layoutInflater.inflate(R.layout.layout_shoucang_popupwindow,null);  //加载弹出菜单的布局文件  final ListView lvpop= (ListView) popView.findViewById(R.id.lvShouCangPop);  List<String> strData=new ArrayList<>();  strData.add("删除");  strData.add("分享");  popView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);  popupWindow=new PopupWindow(popView,3*width/10, ViewGroup.LayoutParams.WRAP_CONTENT); //设置popupWindow 的大小  lvpop.setAdapter(new AdapterShouCangDeletePop(myContext,strData));  lvpop.setOnItemClickListener(new AdapterView.OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view, int position, long id) {    if(position==0){     //点击删除按钮的逻辑//     ToastUtil.toastButtom(myContext,"点击删除按钮");//     datas.remove(pos); //remove掉这行数据     toActivityPos=pos;//     notifyDataSetChanged();     sendDeleteBoardCast(); //发送一条广播     popupWindow.dismiss();    }else if(position ==1){     //点击分享的逻辑     String title=datas.get(position).ucDesc;     String photoUrl=datas.get(position).ucIcon;     String contentUrl=datas.get(position).ucUrl;     DialogShouCangShare dialogShouCangShare=new DialogShouCangShare(myContext,title,photoUrl,contentUrl); //弹出分享对话框     dialogShouCangShare.show();     popupWindow.dismiss();    }   }  });  int[] location=new int[2];  view.getLocationOnScreen(location);  popupWindow.setFocusable(true);  popupWindow.setBackgroundDrawable(new BitmapDrawable());//最好加上这一句，因为他可以取消显示这个弹出菜单，不加的话，弹出菜单很难消失  //下方：popupWindow.showAsDropDown(v);  //popupWindow.showAtLocation(v, Gravity.NO_GRAVITY, location[0]+v.getWidth(), location[1]); 显示在右边  //popupWindow显示在左边  popupWindow.showAtLocation(view, Gravity.NO_GRAVITY    , location[0]-popupWindow.getWidth(),location[1]); //这里的view是传进来的view，比如点击事件中的view，就把它传进来，popupwindow的位置可以自行调整 }

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <ListView  android:id="@+id/lvShouCangPop"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:padding="2dp"  android:background="@drawable/bg_shoucang_popup_bg"  android:listSelector="@drawable/izd_shoucang_delete_selector_pop"  /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"> <item>  <shape   xmlns:android="http://schemas.android.com/apk/res/android"   android:shape="rectangle" >   <solid android:color="#eeeeee"/>   <corners android:radius="8.0dip"/>  </shape> </item></selector>

public class DialogShouCangShare extends Dialog{ private Context myContext; private RelativeLayout rlCancle; private GridView gridView; //那些图片 private int[] data=new int[]{R.drawable.izd_shoucang_wechat,R.drawable.izd_shoucang_friend,R.drawable.izd_shoucang_qq,   R.drawable.izd_shoucang_weibo,R.drawable.izd_shoucang_qzone,R.drawable.izd_shoucang_email}; public DialogShouCangShare(Context context,String title,String photoUrl,String contentUrl) {  super(context); } @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  super.setContentView(R.layout.izd_shoucang_dialog_share);  ShareSDK.initSDK(myContext);  gridView = (GridView) super.findViewById(R.id.gv_share);  gridView.setSelector(new ColorDrawable(Color.TRANSPARENT));  AdapterSCShareGridView adapter=new AdapterSCShareGridView(myContext,data);  gridView.setAdapter(adapter);  gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view,         int position, long id) {    switch (position) {     //对于GridView中的item的点击事件    }    DialogShouCangShare.this.dismiss();   }  });  rlCancle = (RelativeLayout) findViewById(R.id.shoucang_rlCancle);  rlCancle.setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View v) {    DialogShouCangShare.this.dismiss();   }  }); @Override public void show() {  this.requestWindowFeature(Window.FEATURE_NO_TITLE);  this.requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);  this.setCanceledOnTouchOutside(true);  Window dialogWindow = this.getWindow(); //得到对话框  dialogWindow.setGravity(Gravity.LEFT | Gravity.BOTTOM);  dialogWindow.getDecorView().setPadding(0, 0, 0, 0);  WindowManager.LayoutParams lp = dialogWindow.getAttributes();  lp.width = WindowManager.LayoutParams.MATCH_PARENT;  lp.height = WindowManager.LayoutParams.WRAP_CONTENT;  dialogWindow.setAttributes(lp);  dialogWindow.setWindowAnimations(R.style.izd_dialogWindowAnim); //设置窗口弹出动画 ,由styles配置，有进入和退出动画  //dialogWindow.setWindowAnimations(R.anim.dialog_enter_anim);  //  //  WindowManager.LayoutParams lp = dialogWindow.getAttributes();  //  lp.width = 100; // 宽度  //  lp.height = 300; // 高度  //  //lp.alpha = 0.7f; // 透明度  //  //dialogWindow.setAttributes(lp);  dialogWindow.setBackgroundDrawableResource(R.drawable.radius_shoucang_share_nopadding); //设置对话框背景//  dialogWindow.setBackgroundDrawableResource(R.color.izd_white); //设置对话框背景  super.show(); }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:layout_marginTop="10dp" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:layout_marginBottom="8dp" android:background="@color/transparent" > <LinearLayout  android:layout_width="match_parent"  android:orientation="vertical"  android:layout_height="match_parent">  <GridView   android:id="@+id/gv_share"   android:layout_width="match_parent"   android:layout_height="0dp"   android:layout_weight="1"   android:numColumns="3"   android:verticalSpacing="-36dp"   android:background="@drawable/bg_share_shoucang">  </GridView>  <RelativeLayout   android:id="@+id/shoucang_rlCancle"   android:layout_width="match_parent"   android:layout_height="48dp"   android:layout_marginTop="8dp"   android:background="@drawable/bg_share_shoucang"   >   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="取消"    android:textColor="#009688"    android:textSize="16sp"    android:layout_centerInParent="true"/>  </RelativeLayout> </LinearLayout></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#ffffff"/> <corners android:radius="4dp" /> <gradient android:startColor="#00000000" android:endColor="#00000000"/></shape>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:orientation="vertical">  <LinearLayout   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:orientation="horizontal">   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">    <ImageView     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:layout_marginTop="32dp"     android:src="@drawable/izd_shoucang_wechat"     android:layout_centerHorizontal="true"/>    <TextView     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="微信"     android:layout_gravity="center"     android:layout_marginTop="9dp"     android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">     <ImageView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginTop="32dp"      android:src="@drawable/izd_shoucang_friend"      android:layout_centerHorizontal="true"/>     <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="朋友圈"      android:layout_gravity="center"      android:layout_marginTop="9dp"      android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">     <ImageView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginTop="32dp"      android:src="@drawable/izd_shoucang_qq"      android:layout_centerHorizontal="true"/>     <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="QQ好友"      android:layout_gravity="center"      android:layout_marginTop="9dp"      android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>  </LinearLayout>  <LinearLayout   android:layout_width="match_parent"   android:layout_height="wrap_content"   android:orientation="horizontal">   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">     <ImageView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginTop="24dp"      android:src="@drawable/izd_shoucang_weibo"      android:layout_centerHorizontal="true"/>     <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="微博"      android:layout_gravity="center"      android:layout_marginTop="9dp"      android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">     <ImageView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginTop="24dp"      android:src="@drawable/izd_shoucang_qzone"      android:layout_centerHorizontal="true"/>     <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="QQ空间"      android:layout_gravity="center"      android:layout_marginTop="9dp"      android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>   <RelativeLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_weight="1">    <LinearLayout     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:orientation="vertical"     android:layout_centerInParent="true">     <ImageView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_marginTop="24dp"      android:src="@drawable/izd_shoucang_email"      android:layout_centerHorizontal="true"/>     <TextView      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="邮箱"      android:layout_gravity="center"      android:layout_marginTop="9dp"      android:layout_centerHorizontal="true"/>    </LinearLayout>   </RelativeLayout>  </LinearLayout> </LinearLayout> <RelativeLayout  android:layout_width="match_parent"  android:layout_height="48dp"  android:layout_marginTop="8dp"  >  <TextView   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:text="取消"   android:textColor="#009688"   android:textSize="16sp"   android:layout_centerInParent="true"/> </RelativeLayout></LinearLayout>

DialogShouCangShare dialogShouCangShare=new DialogShouCangShare(myContext); //弹出分享对话框 dialogShouCangShare.show();