Android中Dialog自定义上下文花式菜单

import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

import io.dcloud.H5B79C397.R;

/**
 * Created by Administrator on 2017/9/19 0019.
 */

public class SelfDialog extends Dialog {
  private TextView copy;//确定按钮
  private TextView del;//取消按钮
  private onNoOnclickListener noOnclickListener;//取消按钮被点击了的监听器
  private onYesOnclickListener yesOnclickListener;//确定按钮被点击了的监听器
  public SelfDialog(Context context) {
    super(context, R.style.MyDialog);
  }

  public void setNoOnclickListener(String str, onNoOnclickListener onNoOnclickListener) {
    if (str != null) {
      //noStr = str;
    }
    this.noOnclickListener = onNoOnclickListener;
  }
  public void setYesOnclickListener(String str, onYesOnclickListener onYesOnclickListener) {
    if (str != null) {
      //yesStr = str;
    }
    this.yesOnclickListener = onYesOnclickListener;
  }
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.layout_noticeactivity_dialog);
    //按空白处不能取消动画
    setCanceledOnTouchOutside(true);

    //初始化界面控件
    initView();
    //初始化界面数据
    //初始化界面控件的事件
    initEvent();
  }
  private void initEvent() {
    //设置确定按钮被点击后，向外界提供监听
    del.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        if (yesOnclickListener != null) {
          yesOnclickListener.onYesClick();
        }
      }
    });
    //设置取消按钮被点击后，向外界提供监听
    copy.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        if (noOnclickListener != null) {
          noOnclickListener.onNoClick();
        }
      }
    });
  }
  private void initView() {
    del = (TextView) findViewById(R.id.del);
    copy = (TextView) findViewById(R.id.text);

  }

  public interface onYesOnclickListener {
    public void onYesClick();
  }

  public interface onNoOnclickListener {
    public void onNoClick();
  }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="horizontal" 

  <TextView
    android:text="复制"
    android:clickable="true"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/text"
    android:drawableTop="@mipmap/collect"/ 

  <TextView

    android:layout_marginLeft="15dp"
    android:clickable="true"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="删除"
    android:id="@+id/del"
    android:drawableTop="@mipmap/myself"/ 
</LinearLayout 

  <style name="MyDialog" parent="android:style/Theme.Dialog" 
    <!--背景颜色及和透明程度-- 
    <item name="android:windowBackground" @android:color/transparent</item 
    <!--是否去除标题 -- 
    <item name="android:windowNoTitle" true</item 
    <!--是否去除边框-- 
    <item name="android:windowFrame" @null</item 
    <!--是否浮现在activity之上-- 
    <item name="android:windowIsFloating" true</item 
    <!--是否模糊-- 
    <item name="android:backgroundDimEnabled" false</item 
  </style 

public class MenuTestActivity extends Activity {
private ListView listView;
private SelfDialog selfDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menu_test);
listView = (ListView) findViewById(R.id.list);
final ArrayAdapter<String  adapter = new ArrayAdapter<String (MenuTestActivity.this, android.R.layout.simple_list_item_1);
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
adapter.add("1");
listView.setAdapter(adapter);
listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(final AdapterView<?  parent, final View view, final int position, long id) {
int[] location = new int[2];
// parent.getItemAtPosition(position).getLocationOnScreen(location);
view.getLocationOnScreen(location);//当前item的坐标
int x = location[0];
int y = location[1];
System.out.println("x:"+x+"y:"+y);//获取控件位置坐标可采用以上方法
selfDialog = new SelfDialog(MenuTestActivity.this);
// Window window = selfDialog.getWindow();
// window.setContentView(view);
Window dialogWindow = selfDialog.getWindow();
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
dialogWindow.setGravity(Gravity.LEFT | Gravity.TOP);
lp.x = location[0]+80; // 新位置X坐标
lp.y = location[1]-30; // 新位置Y坐标
// 当Window的Attributes改变时系统会调用此函数,可以直接调用以应用上面对窗口参数的更改,也可以用setAttributes
// dialog.onWindowAttributesChanged(lp);
dialogWindow.setAttributes(lp);
selfDialog.setCanceledOnTouchOutside(true);// 设置点击屏幕Dialog不消失
selfDialog.setYesOnclickListener("确定", new SelfDialog.onYesOnclickListener() {
@Override
public void onYesClick() {
Toast.makeText(MenuTestActivity.this, adapter.getItem(position), Toast.LENGTH_LONG).show();
selfDialog.dismiss();
}
});
selfDialog.setNoOnclickListener("取消", new SelfDialog.onNoOnclickListener() {
@Override
public void onNoClick() {
Toast.makeText(MenuTestActivity.this, adapter.getItem(position), Toast.LENGTH_LONG).show();
selfDialog.dismiss();
}
});
selfDialog.show();
return true;
}
});
}
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="io.dcloud.H5B79C397.testActivity.MenuTestActivity" 
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/list" </ListView 
</LinearLayout