Recent questions tagged Android

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android - How do I get the child View of a ViewPager at a given item

I'll keep the question as short and simple as humanly possible. View activeView = mViewPager.getChildAt(mViewPager. ... any given item position? 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 - How do I convert a JSONObject to class object?

I need to convert a JSONObject to a Location object using gson libraries for an android project of mine. I'm ... Sorry for the stupid question. 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 - Adding custom view to a toolbar

I am trying to add a custom view to the new toolbar (Lollipop) . But somehow the view gets added below the ... view); //doesnt work with toolbar See Question&Answers more detail:os...

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

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321 views

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android - RecyclerView Grow Element From Right to Left

i use RecyclerView in horizontal direction and New element is left to right. and scrolling is ltr. how to change this ... (R.id.mainRCCard); } } 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 - NullPointerException - Attempt to invoke virtual method RecyclerView$ViewHolder.shouldIgnore()' on a null object reference

Several developers have reported seeing the following stack trace since upgrading to Android Support 23.2.0: ... doing something wrong? See Question&Answers more detail:os...

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

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170 views

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android - Calling an AsyncTask from another AsyncTask

At a certain point of my AsyncTask, after some validations have been done, I need to spawn off another thread ... not started from an Activity? 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 - Setting a background image to a view stretches my view

I created a background image bitmap for a view and now the view is being stretched to the size of the background ... becomes 500px in height... 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 - How can I change the width/thickness of a scrollbar?

Currently this is my scrollbar.xml file: <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http: ... I put a property in my gradient? 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 - Can I cancel previous Toast when I want to show an other Toast?

In my app, I construct a calendar widget for my activity, when I scroll it to previous or next month, I let ... Toast.LENGTH_SHORT); t.show(); See Question&Answers more detail:os...

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

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297 views

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android - How do I stop the monkey madness?

I'm using the monkey tool to run a test of my Android application. For example, I might do a run like the ... do I cancel the monkey madness? See Question&Answers more detail:os...

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

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482 views

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android - Can't find 'apksigner' executable to manually sign APK

Following the Sign Your App Manually guide, You can sign your app from the command line using standard tools from ... to replace jarsigner ... See Question&Answers more detail:os...

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

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260 views

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android - React Native: Determine number of lines of Text component

As the title says, I've been trying to find a way to determine the number of lines the text component AFTER it ... 0.24. Any ideas? Cheers. 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 - Can't toast on a thread that has not called Looper.prepare()

I try to run a test for my android app but I get this trace. What does it mean? java.lang.RuntimeException: ... = new int[NBRSTEPS]; int resourceIdFalling = 0; int resourceI...

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

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279 views

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android studio 2.3 instant run not working

I have updated android studio from 2.2 to 2.3,then I found Instant run not working. Error while executing: am ... studio 2.3 but not 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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236 views

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android - Can't convert to color: type=0x2 error when inflating layout in fragment but only on Samsung Galaxy and Note 4

I am working on a simple app with an activity and i use fragments.One screen with some elements. When i ... points would be great. Thank you See Question&Answers more detail:os...

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

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207 views

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android - Change Switch state without animation

In my Android project, I have a ListView with rows containing SwitchCompat items (AppCompat for Switch widget). My ... animation in this case? See Question&Answers more detail:os...

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

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632 views

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android - Custom seekbar thumb not transparent on Lollipop API21

This is my seekbar: <SeekBar android:id="@+id/seek1" android:layout_width="fill_parent" android:layout_height=" ... solve for my own. See Question&Answers more detail:os...

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

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560 views

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android - Jetpack Compose - Column - Gravity center

I'm creating a layout with Jetpack Compose and there is a column. I would like center items inside this column: ... (text = item.description) } See Question&Answers more detail:os...

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

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264 views

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android - Intent.migrateExtraStreamToClipData() on a null object reference

Started getting this error in the production version of my app. java.lang.NullPointerException: Attempt to invoke ... device and update ASAP. See Question&Answers more detail:os...

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

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639 views

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android - error: supertypes of the following classes cannot be resolved. Please make sure you have the required dependencies in the classpath

I can't compile my Android Kotlin project. I have no idea what is this... Gradle log: error: ... :kotlin-test-junit:$kotlin_version" } See Question&Answers more detail:os...

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

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359 views

1 answer

android - Glide listener doesn't work

I'm using Glide to load images and I added a listener to know when resource is ready or if ... onLoadCleared, onLoadFailed and onResourceReady. See Question&Answers more detail:os...

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

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187 views

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android - DatePicker.OnDateChangedListener called twice

I'm trying to create an app where the user selects a date from a DatePicker, and then a list is updated with ... to the ListView, as in 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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165 views

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android - RecyclerView is missing

I just installed the new SDK tools (Android L Developer Preview), and I'm trying to use RecyclerView but it ... Library from the SDK Manager). See Question&Answers more detail:os...

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

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273 views

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android - Can you set "tab order" in XML Layout?

I've got users with tablets that have a tab key on their soft keyboard. I am using a table view and ... "actionNext" android:maxLength="2"/> See Question&Answers more detail:os...

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

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271 views

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android - ButterKnife 8.0.1 not working

I am using butterknife 8.0.1, but a nullpointerexception is appearing. This line is on my build.grade ... "@android:drawable/ic_dialog_email" /> See Question&Answers more detail:os...

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

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660 views

1 answer

android - How to change styling of TextInput placeholder in React Native?

Is there a way to set fontStyle: 'italic' only for the placeholder of the TextInput in React Native ... a placeholder and placeholderTextColor. See Question&Answers more detail:os...

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

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155 views

1 answer

android - EmptyThrowable: The APK file *.apk does not exist on disk

This is an Android application using gradle. After clicking Run, I found APP_V1.3.4_2016-02-22_11:30: ... wrong with releaseTime()? See Question&Answers more detail:os...

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

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209 views

1 answer

android - replicate ActionBar Tab(s) with custom view

I would like to have an ActionBar with custom navigation where the custom views look like the standard action ... would be greatly appreciated. See Question&Answers more detail:os...

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

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