An experimental demo for capturing and displaying screenshot of an Android device / emulator without ROOT permission.
Home Page: https://t.me/+ZbBgPKfo0PY0ZGJl
License: Apache License 2.0
Set the window flag :
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
Result :
java.lang.NullPointerException:
Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference
java.lang.NoSuchMethodException: android.view.SurfaceControl.screenshot [class android.graphics.Rect, int, int, int]
at java.lang.Class.getMethod(Class.java:2103)
at java.lang.Class.getDeclaredMethod(Class.java:2081)
at com.rayworks.droidcast.ScreenCaptorUtils.screenshot(ScreenCaptorUtils.java:35)
at com.rayworks.droidcast.Main.getScreenImageInBytes(Main.java:173)
at com.rayworks.droidcast.Main.access$300(Main.java:35)
at com.rayworks.droidcast.Main$AnyRequestCallback.onRequest(Main.java:324)
at com.koushikdutta.async.http.server.AsyncHttpServer.onRequest(AsyncHttpServer.java:62)
at com.koushikdutta.async.http.server.AsyncHttpServer$1$1.onHeadersReceived(AsyncHttpServer.java:159)
at com.koushikdutta.async.http.server.AsyncHttpServerRequestImpl$2.onStringAvailable(AsyncHttpServerRequestImpl.java:75)
at com.koushikdutta.async.LineEmitter.onDataAvailable(LineEmitter.java:45)
at com.koushikdutta.async.Util.emitAllData(Util.java:23)
at com.koushikdutta.async.AsyncNetworkSocket.onReadable(AsyncNetworkSocket.java:152)
at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:821)
at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:658)
at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:44)
at com.koushikdutta.async.AsyncServer$14.run(AsyncServer.java:600)
logs as below:
java.lang.NoSuchMethodException: screenshot [int, int]
at java.lang.Class.getMethod(Class.java:2068)
at java.lang.Class.getDeclaredMethod(Class.java:2047)
at com.rayworks.droidcast.ScreenCaptor.screenshot(ScreenCaptor.java:26)
at com.rayworks.droidcast.Main$AnyRequestCallback.onRequest(Main.java:76)
at com.koushikdutta.async.http.server.AsyncHttpServer.onRequest(AsyncHttpServer.java:62)
at com.koushikdutta.async.http.server.AsyncHttpServer$1$1.onHeadersReceived(AsyncHttpServer.java:159)
at com.koushikdutta.async.http.server.AsyncHttpServerRequestImpl$2.onStringAvailable(AsyncHttpServerRequestImpl.java:75)
at com.koushikdutta.async.LineEmitter.onDataAvailable(LineEmitter.java:45)
at com.koushikdutta.async.Util.emitAllData(Util.java:23)
at com.koushikdutta.async.AsyncNetworkSocket.onReadable(AsyncNetworkSocket.java:152)
at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:820)
at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:657)
at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:44)
at com.koushikdutta.async.AsyncServer$14.run(AsyncServer.java:599)
Pending exception java.lang.ClassNotFoundException: Didn't find class "com.rayworks.droidcast.Main" on path: DexPathList[[directory "."],nativeLibraryDirectories=[/system/lib64, /system/vendor/lib64, /system/lib64, /system/vendor/lib64]]
runtime.cc:492] at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:93)
runtime.cc:492] at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:379)
runtime.cc:492] at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
Considering multiple screenshots? Android devices have multiple virtual screens, which means droidcast can only capture the home screen,i want screenshot based on display id
$DroidCast git:(master) python automation.py
error: more than one device/emulator
Locating apk failure
02-29 20:34:45.335 28166 28166 E AndroidRuntime: java.lang.NullPointerException: Attempt to read from field 'android.os.MessageQueue android.os.Looper.mQueue' on a null object reference in method 'void android.os.Handler.<init>(android.os.Looper, android.os.Handler$Callback, boolean, boolean)'
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.Handler.<init>(Handler.java:264)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.Handler.<init>(Handler.java:257)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.Handler.<init>(Handler.java:162)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.TheiaSigprotector.initSigprotector(TheiaSigprotector.java:52)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.LooperExtImpl.initLoop(LooperExtImpl.java:65)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at android.os.Looper.loop(Looper.java:349)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at com.rayworks.droidcast.Main.main(Main.java:101)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
02-29 20:34:45.335 28166 28166 E AndroidRuntime: at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:379)
java.lang.ClassNotFoundException: android.view.SurfaceControl$DisplayCaptureArgs
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:536)
at java.lang.Class.forName(Class.java:467)
at com.rayworks.droidcast.ScreenCaptorUtils.screenshot(ScreenCaptorUtils.java:54)
at com.rayworks.droidcast.Main.getScreenImageInBytes(Main.java:179)
at com.rayworks.droidcast.Main.access$300(Main.java:34)
at com.rayworks.droidcast.Main$AnyRequestCallback.onRequest(Main.java:316)
at com.koushikdutta.async.http.server.AsyncHttpServer.onRequest(AsyncHttpServer.java:52)
at com.koushikdutta.async.http.server.AsyncHttpServer$1$1.onRequest(AsyncHttpServer.java:103)
at com.koushikdutta.async.http.server.AsyncHttpServer$1$1.onHeadersReceived(AsyncHttpServer.java:190)
at com.koushikdutta.async.http.server.AsyncHttpServerRequestImpl$2.onStringAvailable(AsyncHttpServerRequestImpl.java:93)
at com.koushikdutta.async.LineEmitter.onDataAvailable(LineEmitter.java:42)
at com.koushikdutta.async.Util.emitAllData(Util.java:23)
at com.koushikdutta.async.AsyncNetworkSocket.onReadable(AsyncNetworkSocket.java:160)
at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:878)
at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:726)
at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:46)
at com.koushikdutta.async.AsyncServer$8.run(AsyncServer.java:680)Non-SDK interfaces are blocked in Android 13.
See also the sdk changes.
An automation tool required for simplifying all the adb steps on Windows.
Device :mumu12
sdk:32
abi:x86_64
GPU:RX6600
Driver version: 23.8.1
For Android 14, if /screenshot endpoint is called frequently via curl command in a loop, high memory usage occurs.
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
Django
The Web framework for perfectionists with deadlines.
Laravel
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
Microsoft
Open source projects and samples from Microsoft.
Google
Google ❤️ Open Source for everyone.
Alibaba
Alibaba Open Source for everyone
D3
Data-Driven Documents codes.
Tencent
China tencent open source team.