Recent questions tagged android

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android - Scroll not working for multiple RecyclerView in BottomSheet

I implemented BottomSheet using the DialogFragment approach. I have a TabLayout and ViewPager in the ... com/choongyouqi/bottomsheet` 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 use SensorManager.getOrientation for tilt controls like "My Paper Plane"?

The Android game My Paper Plane is a great example of how to implement tilt controls, but I've been ... something fundamental with 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 - Animate RecyclerView when scrolling

Is there any way to animate the elements of a RecyclerView when I scroll it? I took a look at ... to set set flag correctly? 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 - RELEASE_KEY_ALIAS and RELEASE_KEY_PATH values for generating key hash

1- I'm trying to generate my key hash for integrating Android with Facebook. I understand that I have to run ... fix. The question was this 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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android - Replacing in call app

Background I'm trying to develop a really simple in call app to replace the stock version. Basically, I ... declare something else? 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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352 views

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android - REQUEST_IGNORE_BATTERY_OPTIMIZATIONS how to do it right

I have IntentService task in foreground mode, but in Android M+ the task stops in Doze mode. I read Google ... , PERMISSION_REQUEST_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 - Why application is dying randomly?

I am developing an music player app. All works fine except the app dies suddenly. Sometimes this happens when the app starts, ... :39.923: I/DEBUG(3257): beb66670 000000e8 11-02 1...

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

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310 views

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android - Google Play In-App Purchase returns error code -1008: null puchaseData or dataSignature

I am attempting to implement Google Play in-app purchase v3, after successfully implementing it in v2. However, every ... valid end-to-end test. 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 - splash screen application and hide action bar

I'm trying to figure out how is it possible to hide the action bar for a splash screen activity. I did ... activity> </application> </manifest> 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 - Problems using SharedPreferences on a Service (getPreferences doesn't exist on a service)

I have some shared preferences (latitude, longitude) that I want to access from a service, that ... this.getPreferences(MODE_WORLD_WRITEABLE); See Question&Answers more detail:os...

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

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461 views

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android - Get new position of coordinate after rotation with Matrix

I'm wondering how to use a Matrix to get the new position of a coordinate within a rectangle after rotation. What I ... are 2 & 4. Any ideas? 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 - onCreateView method gets called when? and How many times in Activity life cycle?

I wrote a little program looking like this: package com.example.lifecycle; import android.app.Activity; import ... on android api level 16 See Question&Answers more detail:os...

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

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290 views

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android - How to Apply the Textchange event on EditText

I developed one simple app, like subtraction, addition. In this app I use three EditTexts, one for answer and other ... before, int count) {} See Question&Answers more detail:os...

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

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808 views

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android - findViewById() not working in a not MainActivity class

I have a text view in my Lyout and I would like to set some text to this textview. This should be made in ... doesn't work not in another class. See Question&Answers more detail:os...

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

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270 views

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android - Start Service from Notification

is it possible to start a service from a notification. The normal way of starting an activity is working ... intent, but nothing happens. See Question&Answers more detail:os...

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

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228 views

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android - Firebase notifications when app is closed

I have implemented Firebase notification in my Android application. When my app is running, notification is displayed with my ... .build()); } } See Question&Answers more detail:os...

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

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901 views

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android - How to send a HTTP-delete with a body in retrofit?

When I try to create a delete method: public interface ImageService { @DELETE("api/v1/attachment") Call< ... and nothing using retrofit. See Question&Answers more detail:os...

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

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719 views

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android - Scroll behavior in nested RecyclerView with horizontal scroll

I have to create vertical RecyclerView with nested horizontal RecyclerView in every item. Everything is within ... > Thanks, Anton See Question&Answers more detail:os...

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

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594 views

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android - Espresso - Click by text in List view

I am trying to click on a text in a list view using Espresso. I know they have this guide, but I can't ... ")).atPosition(x).perform(click()) See Question&Answers more detail:os...

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

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558 views

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android - SwipeRefreshLayout behind ActionBar

When using a SwipeRefreshLayout in combination with a overlay mode ActionBar, the loading animation will be displayed ... top of the actionbar? See Question&Answers more detail:os...

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

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377 views

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android - Fabric's Crashlytics with Firebase can't be disabled for DEBUG builds

I have an app that utilises Fabric's Crashlytics via Firebase. The following is the first thing executed in my ... what I am doing wrong? See Question&Answers more detail:os...

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

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404 views

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android - How to add menu button without action bar?

I'd like to add a menu button to the right top corner of my app and without action bar, like it is in ... screenshot below. Can anyone 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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386 views

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android - java.lang.IllegalArgumentException: Receiver not registered

I have TrackingService component to track the location of the buses in my city based on Crowdsourcing. The ... unregisterReceiver(bReceiver); } See Question&Answers more detail:os...

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

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523 views

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android - Should I use PendingIntent.getService() or getBroadcast with AlarmManager?

My app needs to grab some data from the web at a specific time each day. So I use an AlarmManager to ... it from within the service instead? See Question&Answers more detail:os...

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

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396 views

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android - Why do we use canvas.save or canvas.restore?

I know what it does. If I dont use sometimes I can see the difference in alignments, sometimes I don't. My ... undone? The changes remain. Why? See Question&Answers more detail:os...

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

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224 views

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android - Unable to test app after upgrading to Lollipop

I am using Android Studio to develop my apps. Since I upgraded my HTC One M8 to Lollipop, I can not use ... not change anything since that time. See Question&Answers more detail:os...

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

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435 views

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android - Unsupported Gradle DSL method found: 'exclude()'

If: dependencies { compile 'com.google.code.gson:gson:2.2.4' compile 'de.keyboardsurfer.android.widget: ... understand why, please clarify! See Question&Answers more detail:os...

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

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355 views

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android - What is the difference between a background and foreground service?

I am currently writing my first Android application and I keep running into references to background and foreground ... how they are used. See Question&Answers more detail:os...

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

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