Public class MainActivity extends AppCompatActivity implements View.D Surface : Surface::disconnect(this=0x90499000,api=1)ĭ GraphicBuffer: unregister, handle(0x8f764a40) (w:52 h:87 s:64 f:0x1 u:f02)ĭ View : assignParent to null: this = has already been added to the window manager.Į AndroidRuntime: at (WindowManagerGlobal.java:328)Į AndroidRuntime: at (WindowManagerImpl.java:93)Į AndroidRuntime: at $TN.handleShow(Toast.java:496)Į AndroidRuntime: at $TN$1.handleMessage(Toast.java:400)Į AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:106)Į AndroidRuntime: at android.os.Looper.loop(Looper.java:164)Į AndroidRuntime: at (ActivityThread.java:6523)Į AndroidRuntime: at .invoke(Native Method)Į AndroidRuntime: at .RuntimeInit$n(RuntimeInit.java:438)Į AndroidRuntime: at .ZygoteInit.main(ZygoteInit. Also, Assign ID to button component as shown in the image and the code below. Step 2: Open activitymain.xml file and add a Button to show Toast message in a Constraint Layout. I've looked online and tried a bunch of stuff but I'm super stuck. ) Everything works great, until I try this line of code : tAdapter (productArrayAdapter) then the app crashes. Please refer the pre-requisites to learn more about this step. SQLite Database Tutorial for Android Studio. If you want to display the toast message at the different position then you can use setGravity() method. SQLite Database Tutorial for Android Studio. Steps to create an Android Application with Toast Message: Step 1: Create an XML file and a Java File. However, I really need those variables to be declared globally. Toast.makeText(this, 'Hello, this is a android toast message', Toast.LENGTHLONG).show() Changing the Position of Toast message : By default the toast message is displayed at the bottom of an Activity screen aligned vertically. My problem is fixed when I declare the img1 and img2 variables in the onCreate().

Android studio toast crashes