PopupWindow

效果图

这里写图片描述

Demo

Project：

File：

初始化

// 获取弹出的PopupWindow的界面View mContentView = View.inflate(context, R.layout.popupwindow, null);// 创建一个PopupWindow并默认获取焦点（如果没有焦点view无法监听到点击事件）PopupWindow mPopupWindow = new PopupWindow(mContentView, WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT, true);// ***给PopupWindow设置背景mPopupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));mPopupWindow.update();

显示

/** * 显示PopupWindow * * @param parent 父控件 */public void showPopupWindow(View parent) {    // 获取父控件在窗体中的位置    int[] location = new int[2];    parent.getLocationInWindow(location);    // 将PopupWindow显示在指定位置上    mPopupWindow.showAtLocation(parent, Gravity.TOP | Gravity.START, location[0], location[1] + parent.getHeight());}

隐藏

代码控制关闭

/** * 关闭PopupWindow */public void dismiss() {    if (null != mPopupWindow && mPopupWindow.isShowing()) {        mPopupWindow.dismiss();    }}

点击PopupWindow以外任意位置关闭

// 设置PopupWindow之外的其他位置消失mPopupWindow.setOutsideTouchable(true);

返回按钮控制关闭

// 监听点击返回键mContentView.setOnKeyListener(new View.OnKeyListener() {    @Override    public boolean onKey(View v, int keyCode, KeyEvent event) {        switch (keyCode) {            case KeyEvent.KEYCODE_BACK:                // 按返回键关闭PopupWindow                dismiss();                return true;            default:                return false;        }    }});

开关

/** * 开关 * @param parent 父控件 */public void toggle(View parent) {    if (mPopupWindow.isShowing()) {        dismiss();    } else {        showPopupWindow(parent);    }}

封装

package kong.qingwei.combinedchartdemo.view;import android.content.Context;import android.view.Gravity;import android.view.KeyEvent;import android.view.View;import android.view.WindowManager;import android.widget.PopupWindow;import kong.qingwei.combinedchartdemo.R;/** * Created by kqw on 2016/5/17. * MyPopupWindow */public class MyPopupWindow extends PopupWindow implements View.OnKeyListener {
         private PopupWindow mPopupWindow;    private final View mContentView;    public MyPopupWindow(Context context) {        // 获取弹出的PopupWindow的界面        mContentView = View.inflate(context, R.layout.popupwindow, null);        // 监听点击返回键        mContentView.setOnKeyListener(this);        // 创建一个PopupWindow并默认获取焦点（如果没有焦点view无法监听到点击事件）        mPopupWindow = new PopupWindow(mContentView, WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT, true);        // 设置PopupWindow之外的其他位置消失        mPopupWindow.setOutsideTouchable(true);    }    /**     * 显示PopupWindow     *     * @param parent 父控件     */    public void showPopupWindow(View parent) {        // 获取父控件在窗体中的位置        int[] location = new int[2];        parent.getLocationInWindow(location);        // 将PopupWindow显示在指定位置上        mPopupWindow.showAtLocation(parent, Gravity.TOP | Gravity.START, location[0], location[1] + parent.getHeight());    }    /**     * 关闭PopupWindow     */    public void dismiss() {        if (null != mPopupWindow && mPopupWindow.isShowing()) {            mPopupWindow.dismiss();        }    }    /**     * 开关     * @param parent 父控件     */    public void toggle(View parent) {        if (mPopupWindow.isShowing()) {            dismiss();        } else {            showPopupWindow(parent);        }    }    @Override    public boolean onKey(View v, int keyCode, KeyEvent event) {        switch (keyCode) {            case KeyEvent.KEYCODE_BACK:                // 按返回键关闭PopupWindow                dismiss();                return true;            default:                return false;        }    }}

使用

// PopupWindowMyPopupWindow myPopupWindow = new MyPopupWindow(context);// 显示 myPopupWindow.showPopupWindow(parentView);// 开关myPopupWindow.toggle(parentView);