Android实现底部半透明弹出框PopUpWindow效果

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#66fafafa" android:orientation="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="122dp" android:id="@+id/ll_popupwindow" android:background="#ffffff" android:layout_alignParentBottom="true" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="26dp" android:orientation="horizontal"> <TextView  android:layout_width="0dp"  android:layout_height="wrap_content"  android:layout_weight="1"  android:id="@+id/popwindow_facebook"  android:drawableTop="@mipmap/gif_more_facebook"  android:drawablePadding="12dp"  android:gravity="center"  android:text="Facebook"  android:textColor="#4d4d4d"  android:textSize="12sp" /> <TextView  android:layout_width="0dp"  android:layout_height="wrap_content"  android:layout_weight="1"  android:id="@+id/popwindow_whatsapp"  android:drawableTop="@mipmap/gif_more_whatsapp"  android:drawablePadding="12dp"  android:gravity="center"  android:text="WhatsApp"  android:visibility="gone"  android:textColor="#4d4d4d"  android:textSize="12sp" /> <TextView  android:layout_width="0dp"  android:layout_height="wrap_content"  android:layout_weight="1"  android:id="@+id/popwindow_report"  android:drawableTop="@mipmap/gif_more_report"  android:drawablePadding="12dp"  android:gravity="center"  android:text="Report"  android:textColor="#4d4d4d"  android:textSize="12sp" /> </LinearLayout> </LinearLayout> </RelativeLayout>

/* * 在当前页面调用initPopUpWindow方法，底部弹出popUpWindow * 重点在popUpWindow的layout最外层布局设置android:background="#66fafafa" 半透明 * */ private void initPopUpWindow(View root, final String uuid, final String title){ Log.d("click","init popopop"); //inflate得到布局 ，底部弹出框的View final View popView = LayoutInflater.from(mContext).inflate(  R.layout.layout_bottom_popwindow, null); View rootView = root; // 当前页面的根布局 //创建popUpWindow对象 宽高占满页面 final PopupWindow popupWindow = new PopupWindow(popView,  WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT); popupWindow.setTouchable(true); // 设置弹出动画 popupWindow.setAnimationStyle(R.style.anim_edit_text_popup); // 显示在根布局的底部 popupWindow.showAtLocation(rootView, Gravity.BOTTOM | Gravity.LEFT, 0,  0); //点击底部弹出框之外的部分让popUpWindow 消失 popView.setOnTouchListener(new View.OnTouchListener() {  @Override  public boolean onTouch(View v, MotionEvent event) {  int height = popView.findViewById(R.id.ll_popupwindow).getTop();  int y=(int) event.getY();  if(event.getAction()==MotionEvent.ACTION_UP){   if(y<height){   popupWindow.dismiss();   }  }  return true;  } }); //弹出框中控件的点击事件 TextView share_facebook= (TextView) popView.findViewById(R.id.popwindow_facebook); share_facebook.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {  share_facebook(uuid,title);  popupWindow.dismiss();  } }); final TextView share_whatsApp= (TextView) popView.findViewById(R.id.popwindow_whatsapp); boolean whatsappFound = CheckUtils.isAppInstalled(mContext, "com.whatsapp"); if (whatsappFound) {  share_whatsApp.setVisibility(View.VISIBLE);  share_whatsApp.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {   share_whatsapp(uuid,title);  }  }); } TextView report= (TextView) popView.findViewById(R.id.popwindow_report); report.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {  Intent intent = new Intent(mContext, ReportActivity.class);  intent.putExtra("fromch", true);  intent.putExtra("tid", uuid);  mContext.startActivity(intent);  popupWindow.dismiss();<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="100" android:fromYDelta="0.0" android:toYDelta="100%" /></set>  } }); }

<style name="anim_edit_text_popup"> <item name="android:windowEnterAnimation">@anim/popup_in</item> <item name="android:windowExitAnimation">@anim/popup_out</item></style>

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="100" android:fromYDelta="100.0%" android:toYDelta="0.0" /></set>

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="100" android:fromYDelta="0.0" android:toYDelta="100%" /></set>