Recent questions tagged Android

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android - How can I refresh the ActionBar when onPrepareOptionsMenu switched menu entries?

Within my apps I often enable/disable menu entries and do make them visible from onPrepareOptionsMenu. Today I started ... way to do it right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

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android - Registering and unregistering BroadcastReceiver in a fragment

My app has an action bar with 3 fragment tabs. In the second fragment I register and unregister a ... register the reciever in onResume? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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363 views

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android - onCheckedChanged called automatically

I have a switch in a recyclerview and data is displayed in the recyclerview after retrieving data from DB ... :layout_alignParentEnd="true"/> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Finishing current activity from a fragment

I have a fragment in an activity that I am using as a navigation drawer. It contains buttons that when clicked ... them back to the launcher) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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233 views

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android - How to migrate from Gallery to HorizontalScrollView & ViewPager?

I need simple control for icon choosing on Android 2.2 and higher. Gallery was a better solution for me, but it is ... , but I can't find it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

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android - Implicit intent to uninstall application?

I am trying to have an onclicklistener call an intent to uninstall an app, by having the intent call the default ... this. Thanks for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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449 views

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android - Set Text View ellipsize and add view more at end

I am trying to set ellipsize of text view. using the following code. I want to add "view more" at the ... "@color/yellow" /> </RelativeLayout> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

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android - How to show an icon in the status bar when application is running, including in the background?

I want to put an icon in the status bar when ever my application is running, including when it is running in the background. How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

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android - EditText not scrollable inside ScrollView

I have a ScrollView inside which is an EditText which is set to scroll vertically. But it does not scrolls. ... " is in question here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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android - OnCreateView called multiple times / Working with ActionBar and Fragments

I switched part of my App from Activities to Fragments so that I can use the neat ActionBar tabs. However, after ... me in the right direction? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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395 views

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android - Bitmap in ImageView with rounded corners

I have an ImageView and I want to make it with rounded corners. I use this: <?xml version="1.0" encoding=" ... . How can I solve the problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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196 views

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android - Creating hashmap/map from XML resources

I'm making an application where a web service fetches (amongst other) a bunch of codes from a webservice (I. ... can have a few hundred entries. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

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android - When it's necessary to execute invalidate() on a View?

My answer to this question was just accepted but I started to wonder when exactly one needs to invalidate() a View ... how does it really work ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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294 views

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android - change background color of Preference

I have a PreferenceCategory, xml file and I have defined all preferences in it, I call this from class that ... to set the background color. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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302 views

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android - What is the difference between an Animator and an Animation?

It looks like both Animations and Animators allow me to animate properties (position, opacity, scale, rotation, ... animation and vice versa? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

1 answer

android - Square layout on GridLayoutManager for RecyclerView

I try to make a grid-layout with square images. I thought that it must be possible to manipulate the ... didn't work. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

1 answer

android - How to clear an EditText on click?

In Android how can I make an EditText clear when it's clicked? E.g., if I have an EditText with ... clicks on it these characters disappear. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

1 answer

android - how to change a drawableLeft icon size on a button?

I added some icons on 4 buttons and they look so big next to the button. So how can I resize them? I ... "/> </LinearLayout> </RelativeLayout> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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583 views

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android - Cannot add task 'wrapper' as a task with that name already exists

When installing 'react-native init AwesomeProject' I get this error when I run react-native run-android: Could ... facing a similar issue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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139 views

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android - Storing Array List Object in SharedPreferences

This method add new object into ArrayList //get text from textview time = date.getText().toString(); entry_d = ... any method I can implement. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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521 views

1 answer

android - How to get button clicks in host fragment from dialog fragment

I have a listFragment, where I want to display a DialogFragment (Yes/No) on listItemClick. I want to get back ... task? any example or code? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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220 views

1 answer

android - Swipe/Fling tab-changing in conjunction with ScrollView?

The best I could find on this particular issue (although I do not use a Gallery): ScrollView and Gallery interfering - ... ; } return false; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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164 views

1 answer

android - How to change screen timeout programmatically?

just wondering whether it's possible to change the screen timeout using code in Android See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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895 views

1 answer

android - Bottom Sheet Fragment comes up with keyboard

I have an edit text inside a bottom sheet fragment. when the focus come on the edit text the layout goes up . ... :layout_below="@+id/edt" /> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

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android - Compress camera image before upload

I am using this code (from www.internetria.com) to take a photo and upload to a server: onCreate: Intent intent = new ... , 70, fos); to my app See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

1 answer

android - Integrating youtube to fragment

My Activity extends another activity and consists of navigation drawer where each item opens a new ... ) in OnInitializedListener See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

1 answer

android listview display all available items without scroll with static header

I'm having a little difficulties while trying to get a certain layout to work: I want to have list. List ... but have the screen be scrollalbe? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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113 views

1 answer

android - CoordinatorLayout inside another CoordinatorLayout

CorodinatorLayout inside another CoordinatorLayout such that scrolling the child-view should also scroll the Parent ... get hides. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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