One of the features of WebView is to allow you to display web pages with your application. Also, it is very useful if you want to deliver a client application. Usually, upcoming web designers often face this challenge. However, you can resolve it within a twinkle of an eye. With the step by step outlined here, this issue will be resolved quickly.
Firstly, let’s tell you a little about Webview.
What is Webview?
This is an embeddable browser which can be used by a native application to display web content. Similarly, a native app can be best described as a language designed for a particular platform.
With a Webview, specifying HTML string is easier. You can also view it inside your application. Furthermore, WebView can change your application to a web application.
If you want to add WebView to your application, you must include the <WebView> element to your XML layout file. Below is the syntax.
Also, to load a web URL into the WebView, you must call this method -loadURL (String Url). This specifies the required URL. Below is the syntax:
Let’s take you through a step by step instruction on how to open the https URL in Webview Android:
How to open HTTPS URL in Webview Android
You need to launch the Android Studio.
Create a new project in the Android Studio. To do this, follow these steps below:
- Tap “Start” when “Welcome to Android Studio” appears
- Tap the “Start a new Android project” tab. You can find it below the “Quick Start” button on the right side of the dialogue
- Tap “File” on the menu > press New > then New project
- Insert an app name
- Enter your company domain
- Enter your project location and tap the “Next” button
- Choose your preferred form factors for your app
- Assuming you are confused about the form factors to choose, simply select “Phone” and “Tablet”
- Tap the “Next” button to proceed
- Click on “Empty Activity”. You can find it on the “Add an activity to Mobile” tab
- Tap the “Next” button to continue
The above code should be added in the MainActivity to launch secure Socket HTTPS url in Webview. Any error imputing any of the above will give you a different result.
- Insert the name of the Activity
- Enter the layout name and the title too
- Don’t tamper with the default values
- Click on the “Finish” icon to proceed
- Hold on for a few seconds. Allow Android Studio to start Gradle
- After a few seconds, your project will be ready
- Add permission in the Android Manifest file
Renderer Importance API
Since Webview objects function in multi-process mode, it gives you some flexibility; especially regarding how apps will handle out-of-memory circumstances. To solve this problem, use the Renderer Importance API. This feature was introduced in Android 8.0.
Take a look at the code snippets below. Use it to assign a priority to the renderer process that is linked with your apps Webview objects.
From the snippet, the renderer’s priority is the same as the default snippets. When the Webview object is not visible, the True Argument reduces the renderer’s priority to Renderer Priority waived. This simply means that a True Argument shows you if your app doesn’t need the renderer process to remain functional.
Note: If you want your app stability to be maintained, don’t alter the renderer priority policy for the Webview object. However, you can use the Termination Handle API to display how the Webview works when the linked renderer stops working.
Termination Handling API
With this API, you can easily take care of a situation where the renderer process for a Webview object is no longer visible. Most times, the renderer process goes away if the system kills the renderer to claim more memory or the renderer process crashed. This Termination Handling API lets your app continue executing even when the renderer goes away.
Note: If your app continues executing even when the renderer has gone away, the linked Webview cannot be used again. In this case, it doesn’t matter if the renderer process was terminated or crashed. To continue rendering, create a new instance of the Webview.
The code snippet clearly shows how to use the Termination Handle API:
Finally, you must make sure that all the code snippets are inputted correctly. If that’s not done, the output will not be different. Usually, opening https URL in Webview Android is often a huge challenge for most developers. However, with the simple steps outlined above, the task will be easily done.
To sum it up, you can also use the API mentioned above to manage the Webview. They are also helpful in managing objects in Webview.