Android
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Android – the new preference library supports incorrect themes at runtime
I'm trying to use the new preference V14 support library. In order to provide material styles for preferences, I use t…… -
Android – text selection pop-up?
I want to display a pop-up window when the user selects text in EditText This is what I want to do: (screenshot from G…… -
Android – reaction to native running Hello World
I am using this tutorial https://facebook.github.io/react-native/docs/getting-started.html#content I am using Windows …… -
Android permission processing, thorough analysis of source code
In the "Java background learning suggestions for Android programmers" I wrote, it is mentioned that because of the inh…… -
Java – how to run a thread repeatedly after a period of time
I want to run a thread (perform some time-consuming tasks in the background and do not update the UI). It just downloa…… -
Android – this handler class should be static, otherwise it may leak (null)
This Handler class should be static or leaks may occur (null) The 'class' of this message refers to' myactivity ', b…… -
Android – I failed [install_failed_already_exists] when I tried “ADB install”
See the English answer > failure [install_failed_ready_exists] when I tried to update my application 5 apks do not …… -
Android – alert dialogue protects access
I'm trying Android development and getting the location of the device The following lists my gpstrancker classes and r…… -
Android – invoking active methods from fragments
I'm dealing with fragments. I have an activity and different fragments. Each fragment needs to access a class (called …… -
Android – detects whether the input method is selected
In my application, I need to let the user select an input method. Once it is selected, I should perform some tasks. Ho…… -
Android – listview. Setfooterview (V) footer changes are not visible in the listview displayed by viewpager
I called listView.setFooterView(v) Now I should add that listview is located in a view (not a frame) added to viewpa…… -
Android – is it safe to convert using getactivity()?
I am writing an application with a parent activity and several child fragments. I try to make the fragment communicate…… -
Android – how to query complex nested objects in the room?
I have several entities, as you can see below. The problem is how to correctly select nested lists when you have multi…… -
Java – Android OpenGL: illegalargumentexception direct buffer using native commands
Android developers! I'm in trouble. My Android application must use OpenGL to draw a few lines. I take this as an exam…… -
Android – how do I send applications to the background?
How do I send my application to the background code? How do I capture events when I press the home key? Thank you. res…… -
Android vs IOS choice
I am a java developer and I want to start developing mobile applications. The question is, which Android or IOS seems …… -
Android – the startactivity in onpause() is invalid after opening a new app
When my first activity is suspended, I start my second activity FirstActivity.java @Override public void onPause(){ …… -
java – Android gms:play-services:8.1.0 DexIndexOverflowException
After I changed GMS: play services: 7.5.0 to 8.1.0, the gradle build failed with multiple DEX exceptions The error is …… -
Android plug-in getting started guide, successful offer
This article has been included in the Tencent document of the open source project, which contains self-study programmi…… -
Android – ormlite sqliteexception: there is no such table
I use the following databasehelper and ormlite on Android: public class DatabaseHelper extends OrmLitesqliteOpenHelper…… -
Android – how do I slide the button bar in from the bottom when I click a check box in the listview?
I have a custom listadapter list view, which fills the list view with check boxes and some text views. When the user s…… -
Android – showcaseview cannot run without actionbar
If the application has a theme theme.appcompat.light.noactionbar and uses android.support.v7.widget.toolbar in the app…… -
Android – how to change the default color to tab host
I use the 2.2 SDK version. I use tabhost to display activities in tag view format. When I install the application on m…… -
Android – using layout_ Height is 0dip instead of wrap_ Content for better performance… How to delete this warning
How do I delete this warning? Using layout_ Height is 0dip instead of wrap_ Content can get better performance resolve…… -
Android: how to set all permissions?
How do I use all permissions in one step? Who knows this? Thank you in advance resolvent: In androidmanifest.xml, sele…… -
Android flip picture animation
I want to flip the image in Android by translating the animation For example: – suppose I have a card. When the transl…… -
Java – expected property getter or setter in kotlin
I'm learning kotlin from the official documentation. I'm trying to create a class to perform arithmetic operations cla…… -
Android – try to call the virtual method for the null object reference of SharedPreferences in the fragment of actionbaractivity
My application needs to access the shared preferences file in the background. Since I started using the actionbar acti…… -
Android – toast in onclick method in fragment
I have the following clip: public class FragmentSocial extends Fragment implements ActionBar.TabListener, OnClickListe…… -
Android – how do I get the window width and height of an activity?
I have a listfragment, which adds two views in the onactivitycreated() method - a MapView general view (persistent tit…… -
Java – progress bar on button in relative layout problem in Android studio
OK, this is a strange question. I hope someone can explain it to me I have a custom button layout and create a button …… -
Android – only use Proguard to disable logging and shrink resources
Build.gradle: buildTypes { release { minifyEnabled true shrinkResources true ……