问题是弹出窗口填充整个屏幕的宽度,即使布局清楚地表示它应该是wrap_content。如果我使用Dialog或PopupWindow,这并不重要。
首先,弹出窗口的XML布局,popup_message.xml:
<?xml version =1.0encoding =utf-8?> < LinearLayout xmlns:android =schemas.android/apk/res/android android:layout_width =wrap_content android:layout_height =match_parent android:layout_margin =20dp android:background =@ android:color / transparent android:orientation =vertical> < LinearLayout android:layout_width =match_parent android:layout_height =40dp android:orientation =horizontal android: layout_gravity =center> < TextView android:layout_width =match_parent android:layout_height =fill_parent android:layout_gravity =center android: background =@ android:color / transparent android:gravity =center_vertical | center_horizontal android:orientation =horizontal android:paddingLeft =10dp android :text =@ string / new_message android:textColor =#000000 android:textAllCaps =true> < / TextView> < / LinearLayout> < RelativeLayout android:layout_width =wrap_content android:layout_height =wrap_content android:padding =15dp android: background =#ffffff android:gravity =center_horizontal android:orientation =vertical> < TextView android:id =@ + id / popup_message_textView android:layout_width =wrap_content android:layout_height =wrap_content android:textAppearance =?android:attr / textAppearanceMedium android:textCursorDrawable =@ null> < / TextView> < Button android:id =@ + id / jobview_pickup_start_submit android:layout_width =fill_parent android:layout_height =35dp android:layout_below =@ + id / popup_message_textView android:layout_gravity =center_vertical | center_horizontal android:layout_marginBottom =15dp android:layout_marginTop =15dp android:gravity =center_horizontal android:text =Confirm android:textColor =#000000/> < / RelativeLayout> < / LinearLayout>我正在使用的代码:
LayoutInflater inflater =(LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); 查看输入= inflater.inflate(R.layout.popup_message,null); PopupWindow pw = new PopupWindow(input,LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT,true); 查看v = findViewById(R.id.main_deviceInfoBar); pw.showAtLocation(v,Gravity.CENTER,0,0);我也尝试过:
对话框dialogManualStart = new Dialog(MainActivity.this); dialogManualStart.getWindow()。setBackgroundDrawableResource(R.color.transparent); dialogManualStart.requestWindowFeature(MainActivity.this.getWindow()。FEATURE_NO_TITLE); dialogManualStart.setContentView(input); dialogManualStart.show();
总是,无论我使用什么代码,看起来像这样:
您可以看到,它总是填补屏幕的宽度。
问题:有谁可以告诉我为什么?
========编辑1 =============
我更改了按钮到wrap_content(根据Boogers的建议),然后看起来像这样:
这是非常奇怪的行为,而不是我的预期。
如果我将其更改为match_parent,则返回full width,即从左到右扩展。
解决方案这是您的问题:
< Button android:id =@ + id / jobview_pickup_start_submit更改为fill_parent到wrap_content或match_parentI am trying to get a popup to behave! =)
The problem is that the popup "fills the width" of the entire screen, even though the layout clearly says that it should "wrap_content". It doesnt matter if I use Dialog or PopupWindow.
First, the XML layout of the popup, popup_message.xml:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="schemas.android/apk/res/android" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_margin="20dp" android:background="@android:color/transparent" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="40dp" android:orientation="horizontal" android:layout_gravity="center" > <TextView android:layout_width="match_parent" android:layout_height="fill_parent" android:layout_gravity="center" android:background="@android:color/transparent" android:gravity="center_vertical|center_horizontal" android:orientation="horizontal" android:paddingLeft="10dp" android:text="@string/new_message" android:textColor="#000000" android:textAllCaps="true" > </TextView> </LinearLayout> <RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="15dp" android:background="#ffffff" android:gravity="center_horizontal" android:orientation="vertical" > <TextView android:id="@+id/popup_message_textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textAppearance="?android:attr/textAppearanceMedium" android:textCursorDrawable="@null" > </TextView> <Button android:id="@+id/jobview_pickup_start_submit" android:layout_width="fill_parent" android:layout_height="35dp" android:layout_below="@+id/popup_message_textView" android:layout_gravity="center_vertical|center_horizontal" android:layout_marginBottom="15dp" android:layout_marginTop="15dp" android:gravity="center_horizontal" android:text="Confirm" android:textColor="#000000" /> </RelativeLayout> </LinearLayout>And the code I am using:
LayoutInflater inflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); View input = inflater.inflate(R.layout.popup_message, null); PopupWindow pw = new PopupWindow(input, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, true); View v = findViewById(R.id.main_deviceInfoBar); pw.showAtLocation(v, Gravity.CENTER, 0, 0);I have also tried this:
Dialog dialogManualStart = new Dialog(MainActivity.this); dialogManualStart.getWindow().setBackgroundDrawableResource(R.color.transparent); dialogManualStart.requestWindowFeature(MainActivity.this.getWindow().FEATURE_NO_TITLE); dialogManualStart.setContentView(input); dialogManualStart.show();
And it always, no matter what code I use, looks like this:
As you can see, its always filling the width of the screen.
Question: Can anyone tell me why?
======== EDIT 1 =============
I changed the Button to "wrap_content" (according to Boogers suggestion), and then it looks like this:
This is very strange behaviour, not what I expected.
If I change it to "match_parent", its back to "full width", ie it extends all the way from left to right.
解决方案This is your problem:
<Button android:id="@+id/jobview_pickup_start_submit" android:layout_width="fill_parent" ...Change that from "fill_parent" to "wrap_content" or "match_parent"
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