Android
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Android – contentobserver onchange() repeated multiple times
I'm trying to query data from calllog and insert it into the database. To do this, I create a contentobserver as an in…… -
Android – sqlitedatabase vs file store
I want to store structure type data (i.e. call log information, such as name, number, number type, date, time, duratio…… -
The problem of trying to build pocketsphinx androiddemo using NDK
I am trying to compile the pocketsphinx androiddemo, which provides a sample implementation of CMU pocketsphinx speech…… -
Android – process recyclerview onclicklistener in activity / fragment
Migrating from listview to recyclerview to handle "onItemClick" seems to be very painful One of the two most common me…… -
The problem of calling native Android jars encountered in xamarin.form (I) naming conflict during compilation
Principle description of official calling Java: https://docs.microsoft.com/zh-cn/xamarin/android/platform/java-integra…… -
Android hide title bar
Set the attribute on the < activity > element: Android: theme as @ Android: style / theme.notitlebar.fullscreen.…… -
Android – breaks the single top contract
This is the problem. I have an < activity alias > defined in my list as follows: <activity android:name="…… -
Java – Android: using adjustpan and adjustresize doesn’t work, but I need both
I haven't formally decided whether to take this route, but there is an advertisement in my XML document. The XML docum…… -
Android – when replacing a fragment, the savedinstancestate bundle is cleared when restoring the fragment after double rotation
We call them fragments a and B. fragment B is just a detailed view of A. it replaces fragment a when a button is click…… -
Android – handling conflicts in bullets through. G3db files
I am developing a simple application using libgdx and bullet API. I have completed the basic prototype of this applica…… -
Java – is there any system certificate store on Android?
In the desktop Java, there is sun.security.mscapi.sunmscapi cryptoprovider. We can use it and keystore to access the w…… -
android – DragEvent.ACTION_ Drop will never be called
I tried to use image drag on my Android application. My problem is that dragevent.action will never be called when I s…… -
Android – how do I use explicit intent to pass URIs?
I want to use expand to launch a specific number on the softphone application. The implicit application looks like: In…… -
Android NFC transceiver () uses NFCF Technology (Sony felica)
I'm trying to connect my Android Tablet to a device using NFC and retrieve data from the device I tried According to N…… -
Android – how to get the contacts users often talk to?
Can I use contactscontract to get the contacts that users often talk to? I know I can use calllog ContentProvider and …… -
Creating timepickerdialog using custom styles in Android
I want to create a dialogfragment or dialog with TimePicker, as shown in the figure below. The problem is that my appl…… -
Basic process of eclipse NDK development
Create Android project - > complete the preparation of Java functions, add JNI interface functions (native function…… -
Android – how to find the source code for creating byte arrays
Using DDMS and creating hprof, I can see the "histogram" view of data in my application and notice too many very large…… -
Android – how to upload data from byte array to PHP server?
I upload the image file from the device to the PHP server by converting the file into a byte array. I use android-asyn…… -
Java – how to set setlayoutparams on dynamically adding elements on a widget
Currently, I am dynamically adding elements to my widget using the following: RemoteViews views = new RemoteViews(cont…… -
How long will the mobile Android Market Update after the upgrade is released?
After I upload / publish my application upgrade, it will be updated on the web Android Market immediately. But if I se…… -
Android pushes new activities when other activities are cleared
I have a series of activities a, B and C. After completion, I need to push the new activity y to my family activities.…… -
Android – how to save / load data online (using Ajax and JSON to store data) and offline (local)
I need to help find the best, cross browser compatible way to "save" user input and store them locally (offline mode) …… -
Android activity
I have five activities. The process is like this In activity 5, press the back button to return to activity 2 or 3 aft…… -
Android – how to bind mvvmcross to drawviewid to ImageView
How to return drawableid in the converter? My layout file: <ImageView android:id="@+id/imgTest" android:src…… -
Android – how to make navigationview headers sticky
Can I make the title sticky in the design support library navigationview? <android.support.design.widget.Navigation…… -
Android – get the path of DCIM folder on primary storage and secondary storage
I'm writing an application that should upload photos taken by the camera, which are stored in the DCIM / camera folder…… -
android base layout – top middle bottom
Android upper, middle and lower layout, and the middle part is automatically filled. The code is as follows, of which …… -
Android – reverse checkbox for textview
I tried different ways to reverse the textview box in Android. I use this "link" to do this But it doesn't work for me…… -
Can I create a Windows Phone application using Java?
I learned Android application programming. My command is Java Some websites offer SDKs for multi platform development,…… -
Android – gradient backgrounds don’t work on some devices
I'm using gradient drawable for image internal shadow. It works for some devices (check-in simulator) but doesn't work…… -
Java import error “android.widget.filter.filterresults type is not visible”
This question has been asked: the type android.widget.filter.filterresults is not visible, but there is no clear answe……