Android
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Android – eraser with porterduff.mode.clear always draws a black line, I want to delete it
Can I draw its path, move it with my fingers, delete it with transparent lines, or don't draw at all? This is how I in…… -
JavaScript – Tel: href “click to call” link cannot run in Android
In my Cordova android app, I have such a link < a href = "Tel: 011123456789" > Click call < / a > This cli…… -
Java – how to change text when scanning a barcode with zxing in Android?
When you start the barcode scanner (zxing) by intention, can you change the prompt text of "put barcode in viewfinder.…… -
The security encryption provider is deprecated in Android n
I know Google has abandoned the crypto provider in Android n, but what is the best way to migrate old encrypted data 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 – 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 APK Decompilation
Apk file structure APK file is actually a zip compressed package, which can be unpacked by the decompression tool. The…… -
Android – how to save the status of the checkbox
I have an application with checkboxes. How do I save them? My layout is: <?xml version="1.0" encoding="utf-8"?> …… -
Android – how do I save the status of the toglebutton on / off selection?
Hello, I have implemented the application based on the togglebutton selection. But when I close the application and re…… -
Java – how’s it going? Listening location setting is turned on (android app)
So I spent weeks working on my Android application and studying the best way to achieve what I need to do, but I still…… -
Android virtual machine Dalvik, various java package functions of Android, Android related file types, application structure analysis, ADB
With the release of Google's Android SDK, there are countless discussions about its API and its expected impact in the…… -
Java – Android navigationview cannot respond to the click event on the project
I'm trying to add a Navigation view to my application, but for some reason, I can't make it respond to any click event…… -
Android – create nested JSON objects
I tried to create a complex nested object as follows: { "user":{ "type":"facebook", "first_name":"harsh…… -
Android – how to generate random numbers and display them on the screen?
Well, I'm quite new to Android, but I've managed to learn the basics by myself. I'm making an application. You press t…… -
Android – why is there content by default_ Main.xml and activity_ Main.xml, not just activity_ main.xml？
I just started learning android app development. I have Android studio 1.4. In my layout folder, I have two XML files …… -
Linux suspend / resume process in Android
The Linux suspend / resume process in Android starts with suspend in the Linux kernel. Whether you use echo MEM > /…… -
Android – how to view content cacerts.bks (certificate file / system / etc / security / carcerts. BKS)
Does anyone know how to view the list of root certificates supported by Android devices? I want to see the information…… -
Android XML file parsing
On the Android platform, you can use the simple API for XML (sax), document object model (DOM) and the pull parser att…… -
Android – get the data in EditText from listview
Invalid Sign Textview Edittext --------------------------------- Textview Edittext -------------------…… -
Android – Google maps apiv2 authentication failed
Error: 08-15 12:59:17.435: E/Google Maps Android API(14665): Failed to load map. Error contacting Google servers. This…… -
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: 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 – trying to add multidex support – unable to find symbol context and multidex
Follow the instructions mentioned below: https://developer.android.com/studio/build/multidex.html#mdex -gradle I got a…… -
Android – simulate a long press by touching an event
How do we simulate a long press by touching an event? Or how do we in action_ Calculate the time to touch the screen i…… -
Java – what’s faster – storing data in lists or databases? (robot)
I am currently working on a school project (Android application). We should store user fee and income information in t…… -
Android – get started with sugarorm 1.4
I'm trying to figure out how to use sugarorm (version 1.4, imported with gradle) I have a simple object with a public …… -
Java – add a view (text view) in asynctask
I use the following code to add a text view to the async task, but: 07-26 11:40:39.302: E/AndroidRuntime(26715): Uncau…… -
Android – sugar ORM does not have such table exceptions
Sugar ORM works perfectly on Android < 5, but it crashes on Android 5. I use version 1.4 Please help me Error: andr…… -
Review of Java basics of Android (1)
Invalid Sign 1. Difference between object-oriented and process oriented @ h_ 404_ 7@ process oriented: process oriente…… -
How to use android.intent.action.call_ Privileged and android.intent.action.new_ OUTGOING_ CALL？
I can't find the following documents: android.intent.action.CALL_PRIVILEGED I see it used to handle calls in csipsim…… -
Java – Android: use anonymous classes to programmatically create click listeners
I see some examples of making textview clickable by setting onclick = "clickhandler" and clickable = "true". Is there …… -
Android – strange behavior of using EditText inside Tags
I have a view that contains another view with an "include" component (see http://android-developers.blogspot.com/2009/……