Recent questions tagged Android

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android - Is the setDisplayOrientation sample code correct?

The documentation page for Camera.setDisplayOrientation contains the following code sample stating that using it will " ... rotate the image. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Testing SQLite database in Robolectric

I'm trying to test a simple SQLite database using Robolectric in my Android application. I'm putting in ... SQlite databases using Robolectric? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How do I get the OnClickListener working on a custom view with a RelativeLayout?

Question Hello, i have built a custom view with a RelativeLayout to use it as custom image button. So far, selecting ... ).show(); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to delete cache-folder of app?

I read through the Android documentation of the cache (see Data Storage Documentation) but I didn't got how ... /data/de.stepforward/cache/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - App Icon on Device is too small

My problem is that the App Icon on my device looks way too small in comparison to the other apps. I read some ... doesn't. can anybody help me? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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419 views

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android - How to listen contact inserted/updated/deleted in address book

There are lots of questions related to it but none of them help me to get the solution. I am trying ... It would be highly appreciated. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Fragment isAdded() returns false on an already added Fragment

I have this neat function: private void addMapFragment(){ if(!mapFragment.isAdded()){ FragmentTransaction ft = ... ..]" Any clue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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429 views

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android - SupportMapFragment - cannot cast from Fragment to MapFragment

Trying to put together a little MapFragment in an activity I'm building, but am having some trouble getting it ... happy to post it quickly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Only display tabs in action bar

I've just used ActionBar Sherlock to implement the android action bar on pre 3.0 android devices. I'm having ... remove this top row? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - PackageManager's applicationInfo.name is always null

PackageManager pm = this.getPackageManager(); ActivityManager am = (ActivityManager) this.getSystemService(Context. ... always null. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

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android - cannot find symbol class DaggerAppComponent or cannot find symbol class DaggerActivityComponent

I get this error after adding inject on my class then it gives me a compilation error. If I remove @Inject ... MultiDex.install(this); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to get the current fragment displayed in a specific tab of a viewpager?

I want to get the last fragment in the backstack, or the current displayed it's the same for me, in the tab ... () { return viewPager; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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393 views

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android - how to change format of chronometer?

One of my problem is of changing the format of chronometer in android. i have the problem that chronometer ... does anyone knows the answer? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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937 views

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android - MPAndroidChart, set different color to bar in a bar chart based on y axis values

I'm plotting a bar chart using MPAndroid chart. Now all my bars have the same color but I want different ... someone please help me. Regards. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

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android - Proguard obfuscation is breaking simplexml

I am using simplexml in my android project, and everything works fine until I obfuscate the code. Then, errors ... lang.Object readResolve(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

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android - how to get the source of ImageView in order to change it?

I know that changing the ImageView resource is not big deal just using myImageView.setImageResource(mynewImageDrawable) ... . regards, redsea See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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436 views

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android - Is there any way to get GPU information?

I know how to get CPU info inside /proc/, but is there any way to get GPU info? Something like the CPU one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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android - RecyclerView fast scroll thumb height too small for large data set

I am using the default RecyclerView fast scroll and I followed this guide to support it. Now, the problem is ... for the fast scroll thumb. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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737 views

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android - How can I add a menu dynamically to bottom navigation view?

Android has new ui element - BottomNavigationView I don't want to contain my menus in the xml files. I will receive ... method. Can I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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284 views

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android - Google Play - wrong minimum API detected

I've just uploaded my apk to the Google Play console. The problem is that on the app site on Google Play ... " android:targetSdkVersion="17" /> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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android - Recyclerview Horizontal scroll,How to display one item at a scroll like pager

I have to implement both vertical and horizontal scroll using recyclerView and pragmatically I can change the ... /> </LinearLayout> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

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android - Updating Play services from 8.1 to 8.3 with Proguard enabled

I tried to update play services to 8.3. Here's what I changed : In the root gradle file : dependencies { ... .api.datastore.Text { *; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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236 views

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android - In Version 2 Map view does not show map

Map Activity doesn't showing map, it's appear as just white screen with zoom control buttons. Manifest File like ... errors). Please Help me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

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android - Sqlite database security

I'm developing an application which will be storing user sensitive data. My issue is using other applications ... SQLite database and tables? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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307 views

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android - menu directory is missing

I'm a very new programmer in Android. I'm trying to define an action overflow button in my app. ... created a SettingActivity. Any Suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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273 views

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android - Make fragments full screen programmatically

I have a ViewPager and FragmentPagerAdapter set up in one activity with 3 fragments. All fragments are loaded ... aspect would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

1 answer

android - How to check if the fragment exists

I am trying to talk to the fragments from activity. Here in my MainActivity I am adding multiple fragments ok so for fine. ... ()); } } }; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

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android - error message "qemu-system-i386.exe has stopped working"

I am using windows 7 with 4GB of RAM and I'm using the latest version of android studio 2.2.3 and I am ... you please help me with this issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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