Recent questions tagged Android

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android - widget case that doesn't work with Oreo 8.1 - message received: W/BroadcastQueue: Background execution not allowed: receiving Intent

My widget app is running fine on all android version except 8 Oreo. I get a W/BroadcastQueue: Background ... </receiver> </application> 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 - Select only one checkbox

I have a multiple checkboxes, but I want user to select one checkbox only. I try if-else statement but it is ... how to be like that. 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 - enable/disable keyboard sound and vibration programmatically

I'm trying to find a way to disable and enable keyboard sound and vibration when tapping keys. I've ... for keyboard sound and vibration ? 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 - WARN/ActivityManager(5038): Permission denied: checkComponentPermission

From one application I am (broadcast) sending an intent to a broadcastreceiver of another one. ... Permission denied: checkComponentPermission 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 - CoordinatorLayout Toolbar invisible on enter until full height

Included in my activity_main.xml's DrawerLayout is a CoordinatorLayout called content_layout.xml. Within this CoordinatorLayout ... . Thank you. 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 - Include Firebase Analytics in library

I have multiple Android apps that all include a custom library. This library is the core of the apps, and each ... have som ideas. Thank you! 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 - Diff b/w bitmap.recycle() and bitmap=null

I am in a situation where I have used a for loop to download a set of images and I am converting it into ... in some other part of my code? 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 studio - Gradle build failed with new import rules

I met an error after I updated android studio to version 3.6. When I tried to import Scenceform asset, it shows a ... File;) How can I fix 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 mirror an image file? (2.2+)

I have a PNG file that I want to use for an overlay - however, this file has to be mirrored (and rotated by ... I do this with Froyo and above? 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 - Shared Preferences reset when the app is force closed or crashes

I have noticed that my app's SharedPreferences are completely reset if the app is force closed or is killed by ... just some of them. 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 - Error while installing application (INSTALL_FAILED_DEXOPT)

I am working with ccr4j API in Android so when I run my project its thrown an error like: Error while ... its thrown this kind of error? 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 can I get the magnetic field vector, independent of the device rotation?

What I want to archieve is a sort of "magnetic fingerprint" of a location. I use the MAGNETIC_FIELD ... single concrete, working example. 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 - Where to find aapt2 logs?

When I try to build my project, I get the following error: In the end it is stated: "check logs for details". Where to find those aapt2 logs? See Question&Answers more detail:os...

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

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292 views

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android - Disabled Keyguard Lock re-enables itself after clicking on a notification

In my application I disable the keyguard lock (i.e.Remove Lockscreen) using the code below and it works fine until I ... .Process.myPid()); } } 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 - Equalizer not always supported, even when api >= 9?

before enabling equalizer capabilities, I check for api level to make sure it's equal or greater than 9. From the ... them. thanks for any help 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 - Why there is no method to get Resource Name from Drawable object

To create Drawable object from any resource we can use the following code (my image name is arrow_selected.png) ... Name from Drawable object? See Question&Answers more detail:os...

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

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733 views

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android - Installation did not succeed. The application could not be installed. Installation failed due to: 'null'

I am trying to run my app on Android Studio 3.5. It throws an error while installing the app on the phone ... null' REAL DEVICE: XIAOMI REDMI S2 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 support `layout_columnWeight` and `layout_rowWeight` in pre API 21?

I use the below grid layout with layout_columnWeight and layout_rowWeight to centralize my view in the grid cell. <? ... feature in pre API 21? See Question&Answers more detail:os...

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

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539 views

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android - Manifest merger failed : uses-sdk:minSdkVersion 1 cannot be smaller than version 7

I'm studying this Building Simple Chat Client with Parse and I'm using gradle 2.4 to build my project. My ... FAILED Could you help me please 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 add view at start of layout?

My question is simple. I have a linearlayout. It has some child views. Now I want to add a view at the start ... first position. Any idea...??? See Question&Answers more detail:os...

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

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263 views

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android - How can I convert a key code into a char or string?

How to convert the keycode into char or string?? Here is the example code: public boolean onKey(View v, int keyCode ... ; } } return false; } See Question&Answers more detail:os...

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

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249 views

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android - Keyboard overlapping EditText on click

In my fragment I have an editText inside a scrollview and when I click on that I set it to open like this ... @color/white" /> </RelativeLayout> See Question&Answers more detail:os...

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

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407 views

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android - why we can call getActivity() in onCreateView which run before onActivityCreated?

I really get confused with Fragment lifecycle, especially for the time to call getActivity(). Sometimes you cannot ... can solve the puzzle. See Question&Answers more detail:os...

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

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478 views

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android - Unable to open debugger port : java.net.SocketException “Socket closed”

I'm using Android Studio, with multiple flavors using Gradle, each with a Debug and Release type, organized as ... your app's root directory. See Question&Answers more detail:os...

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

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208 views

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android - how to control/modify the activity textview from viewpager fragment

I have a viewpager which has five tab and control the tab with tablayout. the problem that i have is ... .setTypeface(tf); ImageView imageView = (ImageView) view.findViewById...

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

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507 views

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android - Moto G dosent receive UDP packets over WIFI Network

My receiver don't receive any UDP packet in Moto G but it works for other devices well. Over WiFi network ... UDP Packets over WiFi Network. See Question&Answers more detail:os...

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

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349 views

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android - Checkbox gets unchecked when i scroll my custom listview

when i have more items in listview and i select some checkbox and scroll it down to select more checkbox then checkbox ... )); return row; } } See Question&Answers more detail:os...

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

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319 views

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android - Open music player on Galaxy S3

This following code works on any android device (api >= 8) but not on Samsung Galaxy S3 (music player not found ... // music player not found } See Question&Answers more detail:os...

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

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