1、实现方法1 仿微信盆友圈弹出点赞、评论
demo连接:android开发PopupWindow实现跟随试弹出框-Android文档类资源-优快云下载
实现步骤
1、下载module并引入项目
引入module步骤:Android studio 导入module方法_meixi_android的博客-优快云博客_as怎么导入module
2、实现方法2
1、封装弹出窗类
/**
* 作者:created by meixi
* 邮箱:13164716840@163.com
* 日期:2018/10/26 15
*/
public abstract class CommonPopupWindow {
protected Context context;
protected View contentView;
protected PopupWindow mInstance;
public CommonPopupWindow(Context c, int layoutRes, int w, int h) {
context=c;
contentView= LayoutInflater.from(c).inflate(layoutRes, null, false);
initView();
initEvent();
mInstance=new PopupWindow(contentView, w, h, true);
initWindow();
}
public View getContentView() { return contentView; }
public PopupWindow getPopupWindow() { return mInstance; }
protected abstract void initView();
protected abstract void initEvent();
protected void initWindow() {
mInstance.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
mInstance.setOutsideTouchable(true);
// mInstance.setTouchable(true);
}
public void showBashOfAnchor(View anchor, LayoutGravity layoutGravity, int xmerge, int ymerge) {
int[] offset=layoutGravity.getOffset(anchor, mInstance);
mInstance.showAsDropDown(anchor, offset[0]+xmerge, offset[1]+ymerge);
}
public void showAsDropDown(View anchor, int xoff, int yoff) {
mInstance.showAsDropDown(anchor, xoff, yoff);
}
public void showAtLocation(View parent, int gravity, int x, int y) {
mInstance.showAtLocation(parent, gravity, x, y);
}
public static class LayoutGravity {
private int layoutGravity;
// waring, don't change the order of these constants!
public static final int ALIGN_LEFT=0x1;
public static final int ALIGN_ABOVE=0x2;
public static final int ALIGN_RIGHT=0x4;
public static final int ALIGN_BOTTOM=0x8;
public static final int TO_LEFT=0x10;
public static final int TO_ABOVE=0x20;
public static final int TO_RIGHT=0x40;
public static final int TO_BOTTOM=0x80;
public static final int CENTER_HORI=0x100;
public static final int CENTER_VERT=0x200;
public LayoutGravity(int gravity) {
layoutGravity=gravity;
}
public int getLayoutGravity() { return layoutGravity; }
public void setLayoutGravity(int gravity) { layoutGravity=gravity; }
public void setHoriGravity(int gravity) {
layoutGravity&=(0x2+0x8+0x20+0x80+0x200);
layoutGravity|=gravity;
}
public void setVertGravity(int gravity) {
layoutGravity&=(0x1+0x4+0x10+0x40+0x100);
layoutGravity|=gravity;
}
public boolean isParamFit(int param) {
return (layoutGravity & param) > 0;
}
public int getHoriParam() {
for(int i=0x1; i<=0x100; i=i<<2)
if(isParamFit(i))
return i;
return ALIGN_LEFT;
}
public int getVertParam() {
for(int i=0x2; i<=0x200; i=i<<2)
if(isParamFit(i))
return i;
return TO_BOTTOM;
}
public int[] getOffset(View anchor, PopupWindow window) {
int anchWidth=anchor.getWidth();
int anchHeight=anchor.getHeight();
int winWidth=window.getWidth();
int winHeight=window.getHeight();
View view=window.getContentView();
if(winWidth<=0)
winWidth=view.getWidth();
if(winHeight<=0)
winHeight=view.getHeight();
int xoff=0;
int yoff=0;
switch (getHoriParam()) {
case ALIGN_LEFT:
xoff=0; break;
case ALIGN_RIGHT:
xoff=anchWidth-winWidth; break;
case TO_LEFT:
xoff=-winWidth; break;
case TO_RIGHT:
xoff=anchWidth; break;
case CENTER_HORI:
xoff=(anchWidth-winWidth)/2; break;
default:break;
}
switch (getVertParam()) {
case ALIGN_ABOVE:
yoff=-anchHeight; break;
case ALIGN_BOTTOM:
yoff=-winHeight; break;
case TO_ABOVE:
yoff=-anchHeight-winHeight; break;
case TO_BOTTOM:
yoff=0; break;
case CENTER_VERT:
yoff=(-winHeight-anchHeight)/2; break;
default:break;
}
return new int[]{ xoff, yoff };
}
}
}
外部不可点击
mInstance.setOutsideTouchable(false); mInstance.setFocusable(false);
2、activity调用代码
(1)下拉式弹出
private CommonPopupWindow.LayoutGravity layoutGravity;
private CommonPopupWindow window;
private View activityPopup;
activityPopup=findViewById(R.id.activity_popup);
textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
PopupWindow win=window.getPopupWindow();
win.setAnimationStyle(R.style.animTranslate);//动画效果
window.showBashOfAnchor(textView, layoutGravity, 0, 0);//跟随式弹出
// window.showAtLocation(activityPopup, Gravity.BOTTOM, 0, 0);//底部弹出
WindowManager.LayoutParams lp=getWindow().getAttributes();
lp.alpha=0.3f;
getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
getWindow().setAttributes(lp);
}
});
下拉式实例化
private void initPopup2(){
layoutGravity=new CommonPopupWindow.LayoutGravity(CommonPopupWindow.LayoutGravity.CENTER_HORI| CommonPopupWindow.LayoutGravity.TO_BOTTOM);
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int nMultiple = dm.widthPixels;//宽
window=new CommonPopupWindow(this, R.layout.mypopup, (int) (nMultiple*0.4), ViewGroup.LayoutParams.WRAP_CONTENT) {
@Override
protected void initView() {
View view=getContentView();
linearLayout =(LinearLayout)view.findViewById(R.id.oneli);
}
@Override
protected void initEvent() {
linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(MainActivity.this,"ssssblue",Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected void initWindow() {
super.initWindow();
PopupWindow instance=getPopupWindow();
instance.setOnDismissListener(new PopupWindow.OnDismissListener() {
@Override
public void onDismiss() {
WindowManager.LayoutParams lp=getWindow().getAttributes();
lp.alpha=1.0f;
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
getWindow().setAttributes(lp);
}
});
}
};
}
(2)底部弹出
private void initPopupWindow() {
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int nMultiple = dm.widthPixels;//宽
// window=new CommonPopupWindow(this, R.layout.mypopup, ViewGroup.LayoutParams.MATCH_PARENT, (int) (screenHeight*0.7)) {
window=new CommonPopupWindow(this, R.layout.mypopup, (int) (nMultiple*0.9), ViewGroup.LayoutParams.WRAP_CONTENT) {
@Override
protected void initView() {
View view=getContentView();
linearLayout =(LinearLayout)view.findViewById(R.id.oneli);
}
@Override
protected void initEvent() {
linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(MainActivity.this,"ssssblue",Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected void initWindow() {
super.initWindow();
PopupWindow instance=getPopupWindow();
instance.setOnDismissListener(new PopupWindow.OnDismissListener() {
@Override
public void onDismiss() {
WindowManager.LayoutParams lp=getWindow().getAttributes();
lp.alpha=1.0f;
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
getWindow().setAttributes(lp);
}
});
}
};
}
window.getPopupWindow().dismiss();//隐藏
demo链接:PopupWindow实现demo-Android代码类资源-优快云下载
下拉式弹出窗 全屏底部弹出窗