So now, after all, my research and analysis on BadTokenException, what I noticed about all the crashes there on Crashltyics: // Declare the parameters to use for the Toast Context context getApplicationContext() // in an Activity, you may also use this // in a fragment, you can. The and components have improved compatibility when working with custom objects. If returned the WindowManagerGlobal.ADD_BAD_APP_TOKEN, the exception occurs when the WMS.addWindow () function is called to check whether the window to be added is not in violation of the policy according to the android window policy. Use a new JavaScript function to show a toast message.
THROW A TOAST ANDROID STUDIO BLUETOOTH
Firstly, turn on Bluetooth in Settings app on. Return WindowManagerGlobal.ADD_BAD_APP_TOKEN Here we are just creating a Toast message and displaying current network state.
THROW A TOAST ANDROID STUDIO CODE
This ensures secure interaction between the application and the window manager (by making it impossible to add windows on top of other applications), and also makes it easy for the activity manager to make direct requests to the window manager.Īnd the code that throws “BadTokenException” The activity manager gives this token to both the (*application) and the window manager, and it sends the token to the window manager each time it wants to add a new window to the screen. When an application starts up for the first time, the ActivityManagerService creates a special kind of window token called an application window token, which uniquely identifies the application’s top-level container window. Without window tokens, this necessary identification step wouldn’t be possible and the window manager wouldn’t be able to protect itself from malicious applications. If the tokens don’t match, the window manager rejects the request and throws a BadTokenException.
The window manager protects against this by requiring applications to pass their application’s window token as part of each request to add or remove a window. So here is the complete step by step tutorial for Change Toast message background color in.
Toast message background color can be easily modified via programming method and developer can change toast message background color and set any color that user requires. When the application is built and run on an Android device, Click on the button, Click me for Toast to display the Toast Try changing the Toast duration from Toast.LENGTHLONG to Toast.LENGTHSHORT and observe the display duration differences. Window tokens are important for security reasons because they make it impossible for malicious applications to draw on top of the windows of other applications. Set different background color and modify toast using xml view programmatically. WindowManagerService (WMS) is a system service that manages the windows on Android.Īs the name suggest, a window token is a special type of Binder token used by window manager to uniquely identify a window in the system.
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