Issue with overlapping ScrollViews - android

I must make a layout with 2 overlapping ScrollViews. One is an article with a "see comments" button. The other view is transparent and contains the comments, and is shown on top of the article when the "see comments" button is clicked. The problem is that when the comments are shown and do not fill the screen, touching the screen out of the screen (eg. below the button "Retour" on the image shown below. This is an iphone screenshot, the design on android is different) scrolls the article.
Also, the "Voir les Commentaires" button can be clicked, even with another layout on top of it.
Why is the view below not disabled (button, scroll...) when there's another one on top of it? How can it be done?
Anybody can help?
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:background="#FFFFFF">
<RelativeLayout android:id="#+id/header"
android:layout_width="fill_parent" android:layout_height="49dp"
android:background="#e7e7e8">
<!-- header -->
</RelativeLayout>
<ScrollView android:id="#+id/article_scroll"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:layout_below="#id/header">
<LinearLayout android:layout_width="fill_parent"
android:layout_height="fill_parent" android:orientation="vertical">
<!-- article -->
</LinearLayout>
</ScrollView>
<LinearLayout android:layout_width="fill_parent"
android:layout_below="#id/header" android:layout_height="fill_parent"
android:orientation="vertical" android:background="#50000000" android:visibility="gone">
<ScrollView android:id="#+id/comment_scroll"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<!-- comments -->
</ScrollView>
</LinearLayout>
</RelativeLayout>

You should definitely use a new Activity for your comment and use Transucent theme:
<activity android:theme="#android:style/Theme.Translucent">
http://developer.android.com/guide/topics/ui/themes.html
Some alternatives Themes should fit your needs (Dialog for instance)
or a blurried background: http://www.stealthcopter.com/blog/2010/01/android-blurring-and-dimming-background-windows-from-dialogs/

As for the button "Voir les Commentaires", you could set it to enabled = false when the second layer is visible. And I'm not quite sure atm, but I think you can do the same for the bottom ScrollView.

Related

Softkeyboard hides elements of my layout that I want to be visibles

I've got a layout that looks like first image and when I open the softkeyboard looks like the second image, but I want it how it seems on third image:
I read a lot about adjustpan and adjustresize on the manifest but nothing works, the xml structure is:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/blanco"
android:gravity="top"
android:orientation="vertical"
android:weightSum="10" >
<!-- LOGO -->
<LinearLayout
android:id="#+id/logo"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3.7"
android:background="#color/green_logo"
android:orientation="vertical"
android:gravity="center"
android:paddingTop="65dp" >
<ImageView
android:id="#+id/logo_registro"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:src="#drawable/logo_registro" />
</LinearLayout>
<FrameLayout
android:id="#+id/contentFragment"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="6.3" >
</FrameLayout>
</LinearLayout>
First part is the green part with the app logo and inside the FrameLayout I put Fragments that contains simple LinearLayouts or RelativeLayouts with parts of my Login forms.
Put this on your Manifest, inside the activity
<activity android:name=".YourActivity"
android:configChanges="keyboard|keyboardHidden"></activity>
Set your windowSoftInputMode in your manifest for this activity to be adjustResize. THere are 3 possible settings for this- nothing, resize (shrinks your app to fit the remaining space), and pan (scrolls your app so the focused field remains on screen).
Just Add the empty scrollview and it will work
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
</ScrollView>

Blank space at bottom of ListView not filled

EDIT
I originally thought this issue was related to the search widget and keyboard.
Original Question
I added the search widget to my app recently. Now when I land on MainActivity, the view is cut right where the keyboard would pop up. The content scrolls within that smaller box. When I hit the search widget in the action bar, the keyboard pops up and fills the blank space. When I collapse the keyboard, my view is complete and there is no blank space. Check this photo to see what I mean.
Here are my layouts
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ListView
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:divider="#null" />
</LinearLayout>
feed_item.xml (inflates listview)
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/feed_bg"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_marginLeft="#dimen/feed_item_margin"
android:layout_marginRight="#dimen/feed_item_margin"
android:layout_marginTop="#dimen/feed_item_margin"
android:background="#drawable/bg_parent_rounded_corner"
android:orientation="vertical"
android:paddingBottom="#dimen/feed_item_padding_top_bottom"
android:paddingTop="#dimen/feed_item_padding_top_bottom" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="#dimen/feed_item_padding_left_right"
android:paddingRight="#dimen/feed_item_padding_left_right" >
<com.android.volley.toolbox.NetworkImageView
android:id="#+id/vendorPic"
android:layout_width="#dimen/feed_item_vendor_pic_width"
android:layout_height="#dimen/feed_item_vendor_pic_height"
android:scaleType="fitCenter" >
</com.android.volley.toolbox.NetworkImageView>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingLeft="#dimen/feed_item_profile_info_padd" >
<TextView
android:id="#+id/timestamp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="#color/timestamp"
android:textSize="#dimen/feed_item_timestamp" />
</LinearLayout>
</LinearLayout>
<TextView
android:id="#+id/txtHeadlineMsg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingBottom="5dp"
android:paddingLeft="#dimen/feed_item_status_pad_left_right"
android:paddingRight="#dimen/feed_item_status_pad_left_right"
android:paddingTop="#dimen/feed_item_status_pad_top" />
<com.example.myapp.FeedImageView
android:id="#+id/feedImage1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/white"
android:scaleType="fitXY"
android:visibility="visible" />
</LinearLayout>
</LinearLayout>
Here's my searchable config xml.
<?xml version="1.0" encoding="utf-8"?>
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
android:label="#string/app_name"
android:hint="#string/search_hint" >
</searchable>
Let me know if you need more to go on, thanks!!
P.S. min sdk is 12.
UPDATE
The problem ended up being that the content didn't really fill the whole screen until the images were loaded from the Volley request. The text content was loaded and set the height of the listview, and subsequently loaded content did not dynamically change the listiview height. In production this won't be a problem probably, but is there a way to make sure that the ListView height can change dynamically?
It sounds like the keyboard is trying to expand when you open the activity. It is strange that it stays blank and doesn't show the actual keyboard, but maybe preventing the keyboard from opening in the beginning will help. Try setting
android:windowSoftInputMode="stateHidden"
in your <activity> tag for this Activity in AndroidManfest.xml.
try this in the manifest.
android:windowSoftInputMode="adjustResize"
and to your list view("id"),try adding
android:alignParentBottom:"true"
This ended up having nothing to do with the search widget or keyboard. the sizing was coincidental.
The problem lies in the fact that each item in the ListView had an image that was being loaded from the API via volley. the height of the ListView was being set by the content that was loaded first (i.e. text). Once the image loaded, it expanded each item in the list, but did not change the height of the parent ListView. This left the ugly gap at the bottom of the view.
On advice from #mattgmg1990, I changed the height of the ListView to match_parent in order to allow for late loading images.

Sliding List View Layout Android

I am creating an application that contains a header with a button on the right that should slide a list view to left when I click on it(similar to the chat list in Facebook)
-->
When I was including this header without putting the list view in it, it was working properly. But now I am inserting this list view inside the .xml file of the header (because the header is always shown for the user and he can click on this list view button in any layout that is shown for him).
The problem that I want to include this header to all the other layouts without changing the way they looks and show this list each time he click on the button.
I searched and found a lot of answers but every solution was about making the same as I did in the previous screen shots in each page which is not an optimistic solution for multiple pages.
*I am working on API level 10 and want to find the solution without using Actionbar.
Tell me please if more information would be helpful, any help will be really appreciated.
Thanks in advance.
UPDATE my xml file :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/GeneralRelativeLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<RelativeLayout android:id="#+id/rel_layout"
android:layout_width="200dp"
android:layout_height="fill_parent"
android:background="#android:color/white" android:layout_alignParentRight="true">
<LinearLayout android:id="#+id/fake_layout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:visibility="gone"></LinearLayout>
<ListView android:id="#+id/list_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:background="#android:color/background_dark"
></ListView>
</RelativeLayout>
<RelativeLayout android:id="#+id/rel_layout_second"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/black">
<LinearLayout android:id="#+id/lin_layout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#android:color/background_light"
android:orientation="vertical"
android:layout_centerHorizontal="true" android:layout_alignParentTop="true">
<Button android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="slide"
android:layout_gravity="right|center"></Button>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
Try to create a RelativeLayout for the ListView with a android:visibility="gone" and all the other components in the same User Interface inside another RelativeLayout.
Then change its visibility upon the state of the menu if it's opened or closed.
Guess this should be a way to go:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:clickable="false">
<LinearLayout
android:id="#+id/thisistopbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:paddingLeft="3dp"/>
<include here listview etc../>
</LinearLayout>
you can also make the top bar general and include it in every screen. But the basic idea is like above xml, and put the button on the top bar.

Visible and Invisible Layouts

I need your advice regarding my design and if you have a better idea (or you agree with me) that it is good. for some reason I have a feeling it is a "stone age programming style" but lets see.
Basically I have my xml relative layout. In the center (vertical and horizenatlly). I want to display "either" 3 buttons OR 3 texts depending on some user input. So what I did is the following:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clipChildren="false"
android:clipToPadding="false" >
<RelativeLayout android:id="#+id/Buttons"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" >
<Button1 .../>
<Button2 .../>
<Button3 .../>
</RelativeLayout>
<RelativeLayout android:id="#+id/Texts"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" >
<TextView1 .../>
<TextView2.../>
<TextView3.../>
</RelativeLayout>
</RelativeLayout>
Depending on the user input in the code I set visibility to either Visible or Invisible
Is this alright? and if not what do you suggest?
What you need is View.GONE, and View.VISIBLE.
With View.GONE - the layout doesn't occupy any space (almost as if it didn't exist at all). If you use View.INVISIBLE, to the user, the view (buttons, or text in your case) will not be visible, but they will still be there on the screen, thus shifting the other view (buttons, or text) up or down (the view won't be in dead center).
TIP: You can use 'android:layout_centerInParent' instead of 'android:layout_centerHorizontal' and 'android:layout_centerVertical'.
In my opinion, what you have done may be primitive, but it is simple, which is good :) But if you still want some options and make life complicated, then
Put each of the blocks in a separate xml and use include.
Make 2 views and then use ViewFlipper to flip them based on user requirements.
But for the simple requirement that you have, I think u r doing fine.
The include option would work something like this,
layout_1.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/Buttons"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" >
<Button1 .../>
<Button2 .../>
<Button3 .../>
</RelativeLayout>
layout_2.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/Texts"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" >
<TextView1 .../>
<TextView2.../>
<TextView3.../>
</RelativeLayout>
your main_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clipChildren="false"
android:clipToPadding="false" >
<include layout="#layout/layout_1" />
<include layout="#layout/layout_2" />
</RelativeLayout>
The include helps you in making reusable layouts and also helps in keeping your xml files grow out of proportions, specially when you have complicated UIs.
First option is:
You can add all the three buttons or textviews in Linearlayout and center it in parent by using android:layout_centerInParent.
Second option is:
You can center the middle button out of all the three buttons and adjust the other two buttons with respective to the middle button. Same way we should also repeat this for textviews. In this option, we should make all the three views visibility to View.GONE explicitly.

Android delete from listview [duplicate]

I have listview that contain checkbox and an image when the checkbox is clikced I show a button at bottom of the screen that perform deletion, but when listview height more ,then the listview some portion move under the button ,so I need an alternative option for delete can anyone help me, I except something like menu?
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button android:layout_centerHorizontal="true"
android:layout_width="150dp"
android:layout_height="wrap_content"
android:id="#+id/DelPhto"
android:text="Delete" android:layout_alignParentBottom="true" />
<ListView
android:layout_width="280dp"
android:layout_height="fill_parent"
android:id="#+id/list_pictures"
android:layout_alignParentTop="true"
android:layout_above="#+id/DelPhto" />
</RelativeLayout>
Do you mean you wish for the delete button to be always visible even when the list contents are larger than the list control?
If that's the case try setting the layout_weight of your ListView to 1 and see if that solves your problem.
Put ListView in ScrollView (so one will be able to scroll entire list), like:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/mainView"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<ListView
android:id="#+id/listView"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:choiceMode="singleChoice"
android:headerDividersEnabled="true">
</ListView>
</ScrollView>
</LinearLayout>
I have had a similar issue in the past. I found that using a relative layout and defining the button before the list solved my issues. Lets consider the following.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button
android:id="#+id/someButtonId"
android:background="#drawable/gray_button"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:layout_alignParentBottom="true"
android:text="#string/some_button_value"
android:textColor="#color/button_text"
/>
<ListView
android:id="#+id/someList"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="#+id/someButtonId"
/>
</RelativeLayout>
Here I have defined a Relative layout, the layout will occupy the full screen's width and height. I then place the button on the bottom of the RelativeLayout. My expectation is that the list will be placed above the defined button, and fill the remainder of the screen with list contents. Because we are telling the list View to be placed above the button, it will never grow large enough to cover the button causing the list view to mask the button clicks from the user.
hope this helps.

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