Update your ActionBars onClick method in your main activity.ģ1. Run your program and your should receive an error within your navDrawer class, just delete the line inserting section 3, as we deleted it in our strings and app.Ģ9. Create a menu resource for your activity named menu_about.xml.Ģ8. Create about.xml layout and include webview.Ģ6. Create a string value resource for the label.Ģ5.
In your android manifest, add the about activity and permissions to access the internet. Add an about class that displays a webview.Ģ4. Modify onSectionAttached in main activity.Ģ3.
Now add the following code to your main activities onNavDrawerItemSelected method so your navigation drawer will launch a new intent when section 2 is clicked.Ģ2. Your application should now use default Material Theme colors.Ģ1. Create a new directory named values-v21 and add styles.xml resource file as shown. Next, modify your styles.xml as shown.Ģ0. First, create a colors.xml resource file within your values.ġ9. Additionally, all the sections will display the same information. At this point, assuming you included the add and remove drawables in your mipmap folder, your application should run without any problems using the support colors provided by androids theme. Create a new drawable-v21 directory and add oval_ripple.xml for buttonClick animation.ġ7. This will create the Material Design FAB.ġ6. Add the following xml file to your drawable folder and name it fab_shape. Create a resource directory named anim-v21 and an xml file named button_elevation.xml to use android lollipop animation on fab click.ġ5. Add an update and onDelete button click method to your onCreate to handle updates to the database during a fling/onDelete/onAdd event.ġ4. Add dimensions for the floating action button's position on the screen and size/elevation.Add the incredible SwipeDismissListViewTouchListener class foundġ3. Modify your main activities xml file container fragment to include the listview and action button.ġ2. Create an on click listener for our floating action button. Set the on touch listener within the listview to detect our flings (or swipes). Add the following code to the onCreate method of your main activity. Add ListView and ImageButton to onCreate method of main activity.ġ0.
Fear not however, you can create your own or simply download this entire source code from github/fork a brotha! Additionally, you may receive more missing resource errors in the creation of this project and these can be solved in the same fashion.ĩ. At this point Android Studio will throw an error within your XML file because you do not have the image resource for the remove button associated with our list. Create a new layout resource for your list items named due.xml. Add the above code to your onCreate method of your main activity to implement the dismiss on swipe features to the listview.Ĩ. Create a Class named M圜ustomAdapter to handle posting data to ListView.ħ. Add A list of strings to your onCreate method that will be stored within our List Database to our main activity and add a custom adapter class to our onCreate to add data to our ListView.Ħ. Create a new java class named TodoListSQLHelper and copy the following code.ĥ. Create the following objects within your main activity.Ĥ. Select Navigation Drawer Activity when prompted.ģ. Be sure to choose the newest minimum SDK value.Ģ.
Download the zip file or fork my repository and open the about section of the List.ġ.
Instead of a normal Worker, you’ll use a ListenableWorker if you’re in Java or a CoroutineWorker if you’re using Kotlin Coroutines.įirst, navigate to ImageDownloadWorker.kt inside the workers package.0. It keeps the process in these tasks alive when the work is running. WorkManager has support for long-running tasks. Note: To learn more about WorkManager basics, checkout the WorkManager Tutorial for Android: Getting Started tutorial. To understand how WorkManager operates under the hood, you need to know how it interacts with the Android operating system regarding: WorkManager is a Jetpack Library that allows you to run deferrable jobs. Open Android Studio 4.1.2 or later and import the starter project.īuild and run the project.