这是一个类似于QQ里面长按消息弹出菜单的效果，菜单跟着item动 闲话不说，上代码 先自定义一个Dialog
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(); }}
然后看Dialog里面的布局文件
<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>
还给Dialog设置了一个样式
<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>
然后看主代码
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; } }); }}
主程序的布局
<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>
效果图：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
涉水而过的声音此次想起，
