PopupWindowFactory.java
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package com.cnlive.im.ui;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.PopupWindow;
/**
* Created by Lynn on 2017/7/21.
*/
public class PopupWindowFactory {
private Context mContext;
private PopupWindow mPop;
/**
* @param context 上下文
* @param view PopupWindow显示的布局文件
*/
public PopupWindowFactory(Context context, View view) {
this(context, view, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
/**
* @param context 上下文
* @param view PopupWindow显示的布局文件
* @param width PopupWindow的宽
* @param height PopupWindow的高
*/
public PopupWindowFactory(Context context, View view, int width, int height) {
init(context, view, width, height);
}
private void init(Context context, View view, int width, int height) {
this.mContext = context;
//下面这两个必须有
view.setFocusable(true);
view.setFocusableInTouchMode(true);
//PopupWindow(布局，宽度、高度)
mPop = new PopupWindow(view, width, height, true);
mPop.setFocusable(true);
mPop.setOutsideTouchable(false);
//重写onKeyListener，按返回键消失
view.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View view, int i, KeyEvent keyEvent) {
if (i == KeyEvent.KEYCODE_BACK) {
mPop.dismiss();
return true;
}
return false;
}
});
// 点击其他地方消失
view.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if (mPop != null && mPop.isShowing()) {
// mPop.dismiss();
return true;
}
return false;
}
});
}
public PopupWindow getPopupWindow() {
return mPop;
}
/**
* 以触发弹出窗的view为基准，出现在view的内部上面，弹出的pop_view左上角正对view的左上角
*
* @param parent view
* @param gravity 在view的什么位置Gravity.CENTER、Gravity.TOP......
* @param x 与控件的x坐标距离
* @param y 与控件的y坐标距离
*/
public void showAtLocation(View parent, int gravity, int x, int y) {
if (mPop.isShowing()) {
return;
}
mPop.showAtLocation(parent, gravity, x, y);
}
/**
* 以触发弹出窗的view为基准，出现在view的正下方，弹出的pop_view左上角正对view的左下角
*
* @param anchor view
*/
public void showAsDropDown(View anchor) {
showAsDropDown(anchor, 0, 0);
}
/**
* 以触发弹出窗的view为基准，出现在view的正下方，弹出的pop_view左上角正对view的左下角
*
* @param anchor view
* @param xoff 与view的x坐标距离
* @param yoff 与view的y坐标距离
*/
public void showAsDropDown(View anchor, int xoff, int yoff) {
if (mPop.isShowing()) {
return;
}
mPop.showAsDropDown(anchor, xoff, yoff);
}
/**
* 隐藏popupwindow
*/
public void dismiss() {
if (mPop.isShowing()) {
mPop.dismiss();
}
}
}