I'm currently creating a custom status bar notification to notify the user of progress through an event. I have the custom notification working fine, but having a progress bar requires that I pass my own set of RemoteViews to the notification through the contentView field.
This is fine, except that I want to be able to base this layout off the default one. I am targeting API 10, and so it must work with both Gingerbread and ICS. Gingerbread is fine, as I can just put an icon on the left of the layout and the notification fits in with other default ones. In ICS however, the notification icons all have the striped square on the left that contains the icon (it effectively forms a UI "handle" to help indicate that the notification can be swiped to dismiss it).
Does anyone know how I can either get the default layout in code, and then edit it (this is hard with remoteViews), or somehow get access to default layout view (probably during runtime), then copy it, and substitute the notification text for my progress bar?
I have seen examples where people have created a notification and cloned the layout, but to do anything useful with that you have to know quite a lot about the layout. I would rather get the layout files from the android versions you are interested in. Here you have the JB one, you should not have any problems finding the others.
If the only reason you want a custom layout is to get a progress bar, you could look at
NotificationCompat.Builder.setProgress(). It'll be easier than playing with custom notification layouts. If you do decide to use custom layouts, they changed only slightly between API v14 and API v17, and I have no idea what they're like for Honeycomb but they're unlikely to be much different. What that means is that you should be able to use one custom notification layout in a layout-v11 folder, and one in your default layout folder, and you'll catch most cases (except for the icon background from Honeycomb upwards, I haven't gotten that part working in my own custom notifications yet) and only have to maintain two different layouts. See the answer above for the location of the default layout; note that it's called status_bar_latest_event_content.xml in earlier versions of Android.
Since setProgress() is available from Honeycomb upwards at least, and it looks like it works on earlier versions too (the docs don't say otherwise), then you should probably use that if you don't have any other custom requirements.
Related
So I'm currently trying to migrate an app to use Material 3 consistently. Previously it was stiched together without any real design concept. Now I want to actually look like something to take serious.
One thing I haven't been able to figure out is how to give the status bar the same color as the title bar. Currently it looks like this:
The official documentation however lists the seamless version in the "What's new" section:
I'm currently using a LinearLayout with the Theme.Material3.DayNight theme (without any modifications for now) and from what I was able to learn from the documentation I need to make use of components like MaterialToolbar inside a AppBarLayout inside a CoordinatorLayout so everything works as intended. I tried doing that and the scrolling and lifting now works as described in the documentation, but the color of the status bar remains unchanged unfortunately.
I'm not sure at this point if my expectations are wrong or if my code is. I believe that there has to be a built-in mechanism that automatically adjusts the status bar's colour to dynamically match the one of the app bar. I might be wrong though and the material-components-android expects me to implement the logic myself. In any case, could someone point me towards an example implementation where this transition is seamless? This way I could modify my code to implement this behaviour.
I'm currently using com.google.android.material:material:1.5.0 in case this is relevant to the problem.
Thanks in advance!
I've run into a very peculiar problem with Toolbars. The way my team currently uses the Toolbar is via a wrapper class, let's call it WrapToolbar.
So WrapToolbar will internally setup a Toolbar, and exposes some common Toolbar functions. Things like setTitle, getTitle, etc are available.
This WrapToolbar also sets up a default icon. This way all usages of the WrapToolbar will have this icon available for the screens that need it.
The problem with this approach is that for screens that require additional icons, have to add them via a Menu XML and the onCreateOptionsMenu function.
When we do that, the default icon setup with WrapToolbar gets pushed to the left, and the new icons from the Menu XML get added at the end.
This has worked fine for us until recently when requirements changed, and now are asking for the default icon to be at the end all the time.
I'm currently wrestling with the idea of doing a custom wrapper around Toolbar that exposes the ability to add icons, get the title, set the title, etc. This way we can put the icons in any order, and have ultimate flexibility in how our Toolbar looks.
I'm looking for some guidance on what that might look like. I also want to get some feedback on whether my initial idea to solve for this is flawed in some way I haven't foreseen.
Menus have a built in ordering based on the android:menuCategory attribute - you can use android:menuCategory="secondary" to push a menu item (like your default icon) to the end of the list - all MenuItems without a menuCategory will appear to the left of it.
I'm trying to create a custom notification layout that looks just like a 3.0 notification, with a couple of extra things sprinkled in. More importantly, I also want to derive a Jelly Bean expanded notification on top of that.
I'd like the notification to have the same layout as a stock notification so it fits in nicely, i.e. like this (bottom image):
However, I cannot find any information about the proper dimensions and styles - what size do I need to use for the image on the left? What style for each text? What padding?
Ideally, I'd love to use something like android.R.listPreferredItemHeight for the height of the layout and the dimensions of the image, but I can't find anything that pertains to notifications.
You can use the Notification.Builder class which provides a convenient way to set the various fields of a Notification and generate content views using the platform's notification layout template.
See: http://developer.android.com/reference/android/app/Notification.Builder.html
If you need to be compatible with versions prior to API level 11 then take a look at the NotificationCompat.Builder from the support library.
As you can see in Android and OEM customisation, the items in Status Bar or Notification bar have different layouts.
The notification also differs depending on the Theme/Rom you installed.
Here is an example with Vanilla/Touchwizz/MIUI:
or or
What I would like to get is the layout, so I can include it in my activity and preview a notification inside my application.
I guess there is something similar to the android.R.layout.simple_list_item_1 for listview for instance.
Thank a lot for any help or any clue.
The layout for notification is located in separate SystemUI package: status_bar_latest_event (as of Android 2.3). This is not directly accessible from application. And if you could extract the layout, it wouldn't help you, as it uses custom com.android.systemui.statusbar.LatestItemView view. So you'd need to load that class into your process using PathClassLoader.
So theoretically this might be possible, but it's going to be tricky.
I am working on a small application which should be represented by an AppWidget.
The AppWidget should look like many other widgets on my HTC Desire. Most of them consist of an icon and a title below the icon. The title always looks identical, it is white text on a black rounded banner. I have not found a way to get this layout without painting all by myself. What do I have to do, to get the app title shown below the AppWidget?
Thank in advance,
Wolfgang
Per a previous answer here this is actually discouraged by the Android UI guidelines: An App shortcut has such text below it, and it may change in future Android releases or in custom skins such as HTC Sense or MOTOblur. A widget should be a wholly contained graphical element without a text label below it. You need to find a way to make graphics / text in your widget which are self identifying to the user.