Recent questions tagged Android

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android - Room cannot verify the data integrity

I am getting this error while running program with Room Database Room cannot verify the data integrity. Looks like you've changed schema but forgot to update the ... but from where we can do that in Room? 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 to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?

I am using 3rd party file manager to pick a file (PDF in my case) from the file system. This is how I launch the activity: Intent intent = new ... name from URI or one should resort to string parsing? 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 to get national holidays of selected country

I'm writing an app that allows the user to select a country from a list. When they pick a country, a list of national holidays of that country appears. ... ? If yes, where can I get those calendar IDs? 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 to retrieve more than 1000 rows from Parse.com?

I have been using Parse to retrieve a data for a list view. Unfortunately they limit requests to 100 by default to a 1000 max. I have well over that ... are complete (100) then adding them to the list 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 - Take a screenshot using MediaProjection

With the MediaProjection APIs available in Android L it's possible to capture the contents of the main screen (the default display) into a Surface ... an image, the status ACQUIRE_NO_BUFS is returned. 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 - Manually adding aar with dependency pom/iml file

Since I cannot use a private maven in order to share my library, I was thinking in sharing the aar and importing into another project. The problem ... artifacts.add("default", file('pomDependencies.xml')) 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 - No resource identifier found for attribute '...' in package 'com.app....'

I've imported a project from Eclipse to Android studio. It utilizes a custom view: xmlns:app="http://schemas.android.com/apk/res-auto" I get errors in ... I'm doing something wrong. Anyone have an idea? 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 - Unable to cast Action Provider to Share Action Provider

Below is the code for my Activity import android.app.Activity; import android.os.Bundle; import android.support.v7.widget.ShareActionProvider; import ... android.widget.ShareActionProvider" /> </menu> 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 - rawQuery(query, selectionArgs)

I want to use select query for retrieving data from table. I have found, rawQuery(query, selectionArgs) method of SQLiteDatabase class to retrieve ... selectionArgs should be passed to rawQuery method? 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 - RecyclerView crashes when "scrapped or attached views may not be recycled"

I'm using a simple implementation of RecyclerView taken from the Android website using a StaggeredGridLayoutManager and I keep getting this error that crashes my app ... and know how to deal with 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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878 views

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android - Determine angle of view of smartphone camera

I'm trying to determine the degree size of the field-of-view of a Droid Incredible smartphone's camera. I need to know this value for an ... know how I can find out/calculate it programmatically? See Question&Answers more detail:os...

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

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1.1k views

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android - How to merge Call programmatically while other call is running (Conference call)

My requirement is like this: Say I am calling a number on that time and I want to call another number programmatically. So far what I have done ... to do it programmatically, not with the user interface. See Question&Answers more detail:os...

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

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936 views

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android - Okhttp response callbacks on the main thread

I have created a helper class to handle all of my http calls in my app. It is a simple singleton wrapper for okhttp that looks like this ... exception and failed responses due to server problems. Thanks. See Question&Answers more detail:os...

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

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1.4k views

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android - In Fragment on back button pressed Activity is blank

I have an Activity and many fragments inflated in same FrameLayout <FrameLayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height ... as I go directly to main page. See Question&Answers more detail:os...

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

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1.1k views

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android - How to change app name per Gradle build type

I am trying to figure out a way to be able to change my application's app name per build type in gradle. For instance, I would like the debug version ... apply the change of the app when in 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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android - How do I fix "Failed to sync vcpu reg" error?

I'm trying to use the Intel HAX x86 emulator for Windows (8, if that matters). I installed everything and created an AVD for the android version ... device and in the default emulators is painfully slow. See Question&Answers more detail:os...

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

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1.0k views

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android - How to use SMS content provider? Where are the docs?

I'd like to be able to read the system's SMS content provider. Basically I wanted to make an SMS messaging app, but it would only be useful if I ... where this is all documented (if at all)? Thanks again See Question&Answers more detail:os...

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

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882 views

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android - Don't collapse Toolbar when RecyclerView fits the screen

I've made an app using Android Design Library, with a Toolbar and TabLayout. Actually 2 tabs are present, both with 2 RecyclerView, that ... /> </android.support.design.widget.CoordinatorLayout> See Question&Answers more detail:os...

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

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1.2k views

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android - Change expandable indicator in ExpandableListView

Trying to create an ExpandableListView. The initial view with the groups shows up fine. However, when I click the list item, my arrow does not change. ... ="true"/> </selector> </animation-list> See Question&Answers more detail:os...

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

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928 views

1 answer

android - Configure Eclipse to use signed keystore

I have finally created a 'final' keystore for my app. As my app is using Google Maps, I take I have to update all Layouts to use the new ... am too confused if I have totally misunderstood something 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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892 views

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android - How to pass custom component parameters in java and xml

When creating a custom component in android it is often asked how to create and pass through the attrs property to the constructor. It is often ... attrs object when inflating a component using xml? See Question&Answers more detail:os...

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

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921 views

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android - OTP (token) should be automatically read from the message

I am working on an Android App, in which the server sends an OTP and the user needs to enter this OTP in the App, to SignUp for my App. ... help or guidance in this regard would be highly 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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1.0k views

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android studio - Gradle finished with non-zero exit value 1 (ic_launcher.png: error: Duplicate file)

I got this strange error with gradle, please help me! /.../app/build/intermediates/res/debug/drawable-xxhdpi-v4/ic_launcher.png: error: Duplicate file /... ... .build:gradle:1.2.2, this causes me errors See Question&Answers more detail:os...

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

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1.0k views

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android - BottomSheetDialog with transparent background

I would like to display a bottom sheet dialog less wide than the screen width. For instance, the Share option from Google Play Music on a ... </LinearLayout> </android.support.v4.widget.NestedScrollView> See Question&Answers more detail:os...

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

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928 views

1 answer

android - Making a LinearLayout act like an Button

I have a LinearLayout that I've styled to look like a button, and it contains a few text/ImageView elements. I would like to make the whole ... the size of the whole Layout and positioning absolutely? See Question&Answers more detail:os...

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

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1.1k views

1 answer

android - How to change letter spacing in a Textview?

How can i change letter spacing in a textview? Will it help if I have HTML text in it (I cannot use webview in my code). P.S. I'm using my own typeface in the textview with HTML text. See Question&Answers more detail:os...

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

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1.0k views

1 answer

android - NDK - How to use a generated .so library in another project

I have used ndk successfully to build & use a .so file in one project. I need to use this library in another project. I would rather not copy the source ... to do it? I am using Eclipse-Galileo & ndk5. See Question&Answers more detail:os...

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

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939 views

1 answer

android - Display Activity From Bottom to Top

I want to display one activity to another from bottom to top animation using Intent. Given me some example for that like below Intent i2 = new Intent ... ; startActivity(i2); with animation bottom to top. See Question&Answers more detail:os...

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

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