relativelayout

Why am I getting a CircularDependencyException?

由 南楼画角 提交于 2019-12-29 07:55:15
问题 Hey I am trying to make a notification for my file uploading notification. This is my XML: but it keeps giving me the error: Circular dependencies cannot exist in RelativeLayout. What am I doing wrong? I dont see anything wrong with it? I was also trying to make it look similar to the browser downloader <?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

Layout File - Positioning Item to Right of Another Item (Android)

由 ℡╲_俬逩灬. 提交于 2019-12-29 07:35:18
问题 I'm trying to position one item in a RelativeLayout to the right of another. In the example below I want the "," to be placed to the right of the description field. However the problem is it puts the comma on the first line next to the name field. Can anyone help? <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="horizontal" android:padding="10sp"> <TextView android:id="@+id

ArrayAdapter requires ID to be a TextView error

由 两盒软妹~` 提交于 2019-12-28 07:02:14
问题 I am trying to create a nice layout for my list items, but my code only works when it is simplified like this: <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dp" android:textSize="16sp" > </TextView> When I add a little bit more it compiles and runs but it force closes on start and gives me the error ArrayAdapter requires ID to be a TextView :

ConstraintLaayout简介

由 杀马特。学长 韩版系。学妹 提交于 2019-12-28 06:48:13
ConstraintLaayout简介 ConstraintLayout 从发布到现在也得有两年的时间了，但是目前在项目中却很少用到他。今天闲下来记录一下，以后可以用来解决一些布局的嵌套问题。 ConstraintLayout 是 RelativeLayout 的升级版本，但是比 RelativeLayout 更加强调约束，它能让你的布局更加扁平化，一般来说一个界面一层就够了。 而且它可以直接在布局编辑页面通过拖拖拖的方式就可以把控件摆放好，但是我还是习惯手写。 在 Android Studio 中可以很方便的将目前的布局直接转换成 ConstraintLayout ，可以在布局的编辑页面上直接右键然后选择就可以了。 当然项目中要添加它的依赖，目前最新版本: implementation 'com.android.support.constraint:constraint-layout:1.1.0' 然后会提示添加 ConstraintLayout 支持库。 相对于传统布局 ConstraintLayout 在以下方面提供了一些新的特性: 相对定位 这个和 RelativeLayout 比较像，就是一个控件相对于另一个控件的位置约束关系: 横向: Left、Right、Start、End 纵向: Top、Bottom、Baseline(文本底部的基准线) < Button

XML is crazy. It is not showing real position of elements

由 三世轮回 提交于 2019-12-25 18:17:35
问题 I'm having problems with a layout. I have this structure: <ScrollView> <LinarLayout> <Button/> <RelativeLayout> <ImageButton/> <ImageButton/> <ImageButton/> </RelativeLayout> </LinarLayout> </ScrollView> I want the three ImageButtons centered and one next to the other like this: IMG1 IMG2 IMG3 For this purpose, I've centered the elements inside the RelativeLayout using android:gravity="center" and I've used android:layout_toRightOf="@+id/element" and android:layout_toLeftOf="@+id/element" to

Not being able to add multiple child views to parent view

由 ￣綄美尐妖づ 提交于 2019-12-25 14:19:57
问题 I am trying to add multiple relative layouts to a Linear layout. I am using the following lines of code. LayoutInflater inflator = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); LinearLayout item = (LinearLayout)findViewById(R.id.reviews); for(int i=0 ; i<2 ; i++){ View child = inflator.inflate(R.layout.review_item, null); child.setId(i); child.setTag(i); item.addView(child); } But I can only see one child view. Can anyone tell me where I am going wrong. 回答1: Declare the

Black Screen using ScrollView + RelativeLayout and a costum View (acting like a canvas)

由 谁说我不能喝 提交于 2019-12-25 09:45:08
问题 I am trying to develop a block representation with inputs and outputs. The main ideia is: A user can add outputs/inputs A user can edit the ouputs/inputs added So we have something like this: I managed to build a dynamic canvas that changes when the user presses one of the buttons (the painted area grows). The problem starts when the canvas is bigger than screen height. The result is something like this: Notice that I have a scroll view. However it seems that scrollview puts everything in

Android align multiple TextView-s in line

由 点点圈 提交于 2019-12-25 05:25:34
问题 i am trying to align multiple (variable) textviews in one line. It should look like this: - Textview1 | Textview2 | TextView3 Since the textviews vary regarding length I am having a problem aligning them properly(the only thing I know is that Textview1 will be the shortest one). Here is my code (it is placed inside a Linear Layout): <RelativeLayout android:id="@+id/persondetails_names_horizontal_container" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout

RelativeLayout - referencing ids within another nested view - is this possible?

由 时光怂恿深爱的人放手 提交于 2019-12-25 04:18:00
问题 Is it possible to do something like this where TV2 is relative to TV1, where TV1 and TV2 are within different branches of the layout? <?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" > <RelativeLayout android:id="@+id/RV1" android:layout_width="wrap_content" android:layout_height="wrap_content" > <TextView android:id="@+id/TV01" android:layout_width="wrap

Not possible to click a Button

由 十年热恋 提交于 2019-12-25 03:42:52
问题 I'm having a weird issue with a button that is being shown on screen, but that I can't click. It is not that the onClick event is not firing, it seems that physically it does not react to clicks, as if it had a transparent layer on top of it. The main Activity where it is built on: public class MusicList extends Activity implements OnClickListener { ... @Override public void onCreate(Bundle bundle) { super.onCreate(bundle); setContentView(R.layout.mymusic); this.myTabHost = (TabHost)this
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