包含标签：Android 的文章
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Java – filter ArrayList after converting long (from constructor) to string
I store this long value in the database as datetime. I have a question about how to filter these records according to …… -
Android – PayPal service is not started (sandbox account), I get an error
I have an activity called sample activity. I have an intention from that activity. This is the navigationlayout1 activ…… -
Porting to Android: why do I get “unable to create the default xmlreader; is it the system attribute org.xml.sax.driver setting?”?
I'm porting some java code that works well on my desktop to Android. I have the following code snippet: import org.xml…… -
Android – how to minimize battery consumption in heavy services
When some "hot situations" happen, I want to create a service to do something, and "enthusiasm" I want to mean: >GP…… -
C# – httpclient.getasync will never return on xamarin.android
I am developing an Android application supported by the asp.net core application hosted on azure. Before using the fun…… -
Android – firebase code cannot create a new user
The code of my login / registration class is: package com.example.joshpc.bluetoothattendee; import android.app.Prog…… -
Android – listview and volleyball – image misallocation
I am using the volley library to load images from the Internet. I have a list view. Some rows are loaded using volley'…… -
Android – Google Maps V2 centers and rotates the camera position to accommodate the two markers
I'm trying to use the camera to move to fit my two tags and keep them at the same level. Therefore, this means modifyi…… -
Android – how to use setscrolllistener in staggeredgridview
I tried to add a scroll listener in staggeredgridview, where I couldn't find a way to add that I didn't see any implem…… -
Android – compress the bitmap and save it to the activity result of the sdcard
I've been discussing this problem and I'm not sure what to do. What I want to do is: take a picture, compress it to PN…… -
Android – how to specify different layout sizes for different densities
Can you tell me how to specify the layout size of different density screens? That is, the layout of different densitie…… -
Android – use the firebase cloud function to read data from the cloud firewall?
I am an Android Developer. Recently, I began to study projects based on firebase cloud function and firestore database…… -
Android – recyclerview nested in recyclerview performance
I have a recyclerview that lists many group items. Under each group item, I want another recyclerview with a grid layo…… -
Android – volley jsonobjectrequest sends header file in get request
I tried to send some authentication headers from the get request, and I tried to call with volley jsonobjectrequest: M…… -
Java – difference between datainputstream / dataoutputstream class and InputStream / OutputStream class
Whenever I use HTTPCONNECTION class in java me, Android or blackberry, I will use datainputstream / dataoutputstream c…… -
Why do static methods in Java only accept final or non final variables in their methods, not static?
Why do static methods in Java only accept final or non final variables in their methods, not static? For example, I ha…… -
Rotate bitmap in degrees in Android
I'm developing a shooting game with bows and arrows.. so how to rotate bows and arrows??? I've tried different animati…… -
Android – setting vector drawable in ImageView causes the application in the old SDK to crash
I used vector drawable in image SRC, as shown below: <ImageView android:id="@+id/isSold" …… -
Android – force closes the application programmatically
I need to create an application that can programmatically execute the force stop button to perform operations on the a…… -
Android EditText onclicklistener problem
I have a sales application. When the user clicks EditText, the pop-up calculator wants to be displayed. In my case, wh…… -
Logout function in Android
I'm making a social networking application. I'm implementing the sign out function. Clicking on the sign out button sh…… -
Java – how do I transfer duplicates in other ArrayLists?
I have an array list ArrayList<String> list=new ArrayList<String>(); list.add("Apple"); list.add("Bal…… -
Android – how do I add dependencies to the top-level build.gradle file of my project?
I'm trying a sample code to implement Google cloud messaging (GCM), which is provided by Google itself, GCM demo I don…… -
Java – how to get the average RGB value of bitmap on Android?
I know how to get the RGB value of each pixel of a bitmap. How to get the average RGB value of all pixels of a bitmap?…… -
Android – how to align images in image buttons
I want to place my image in the assigned image button view. But it's not fixed in that space. It looks strange! Can I …… -
Android – how do I display buttons under conditions?
I have a button that basically looks like this: @H_502_5@ <Button android:id="@+id/admin_new_questions" …… -
Android – how to optimize multiple image stitching?
I am using multi image stitching in Visual Studio 2012, C. I modified stitching according to my requirements_ Detailed…… -
Android – react native: how to import local images using dynamic names
I have about 100 local hero images that need to be imported into the list view. This is my hero.js renderRow(hero) { r…… -
Android – use Proguard to build “execute task: [: app: assemblyrelease]” from the last 23 hours to signing apk
I'm using Proguard to narrow down and build the signed APK. But it took a long time to build the APK. From the last 23…… -
Java – dagger 2 has no initialization variables
Now I'm trying to implement dagger in my project. I have a problem. Variables initialized in application components ar…… -
How to use the spinner and populate it from an array in Android
I am a novice in Android development. I want to implement spinner. My problem is that I have an array with a key categ…… -
Android – eglconfig on HTLC desire, which can be configured to suspend the device
I am implementing my own eglconfigchooser and passing it to seteglconfigchooser () to select the best available config……