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做项目的时候发现了这个问题
setOutsideTouchable(true)导致setOnClickListener里面的判断条件失效
第一次点击“三国演义”按钮弹出下面“张飞,关羽”PopupWindow,第二次点击“三国演义”关闭popwindow,需求就是如此简单,但是却发现第二次点击popwindow的时候无论如何关闭不了
代码也很简单
public class MainActivity extends AppCompatActivity {
PopupWindow window;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(window!=null&&window.isShowing()){
window.dismiss();
}else {
showPopwindow(view);
}
}
});
}
private void showPopwindow(View view) {
View contentView = LayoutInflater.from(this).inflate(R.layout.pop_item, null, false);
window = new PopupWindow(contentView, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT, false);//并不获取焦点,防止拦截其他点击事件
window.setOutsideTouchable(true);
window.setBackgroundDrawable(new ColorDrawable(Color.WHITE));
window.showAsDropDown(view, 0, 2);
}
}
原来window.setOutsideTouchable(true);这句话意味着只要点击windows之外的地方都要销毁这个windows,所以setOnClickListener中window的状态一定是关闭的了,这样才会每次都去创建windows,造成了popupwindow一直显示的错误
解决方案:
package com.listenerconflict;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
public class MainActivity extends AppCompatActivity {
PopupWindow window;
private int firstTime = 0;
private int secondTime = 0;
private boolean hasDimiss = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
secondTime = (int) System.currentTimeMillis();
if(hasDimiss&&secondTime-firstTime<=200&&secondTime-firstTime!=0){//时间这么短就进入这个方法说明不是手点击的而是直接拦截的
secondTime = firstTime = 0;
hasDimiss = false;
}else {
if(window!=null&&window.isShowing()){
window.dismiss();
}else {
showPopwindow(view);
}
}
}
});
}
private void showPopwindow(View view) {
View contentView = LayoutInflater.from(this).inflate(R.layout.pop_item, null, false);
window = new PopupWindow(contentView, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT, false);//并不获取焦点,防止拦截其他点击事件
window.setOutsideTouchable(true);
window.setBackgroundDrawable(new ColorDrawable(Color.WHITE));
window.setOnDismissListener(new PopupWindow.OnDismissListener() {
@Override
public void onDismiss() {
firstTime = (int) (System.currentTimeMillis());
hasDimiss = true;
}
});
window.showAsDropDown(view, 0, 2);
}
}