In this video it shows the fix for the error “Value of type org.json.JSONArray cannot be converted to JSONObject”. It reproduces this error by trying to convert a JSONArray to JSONObject. And then fixes it by rightly converting it into JSONArray and then using the index to get the right…
Tag: OS
How to set the correct date and time in the Android TV emulator?
In this video it shows how to fix the date and time update issue in Android TV emulator in Android Studio environment. For fixing the issue, I hope you like this video. For any questions, suggestions or appreciation please contact us at: https://programmerworld.co/contact/ or email at: programmerworld1990@gmail.com Complete source code…
How to read the content of a HTTPs website in your Android App?
The provided content pertains to a video tutorial explaining how to read a HTTP or HTTPS website’s content (HTML/JSON) on an Android application. The tutorial involves demonstrating how to view the contents of Google’s homepage and programmerworld.co within an Android app environment. The post includes the complete source code for the application with various callbacks, interfaces, and classes such as HttpURLConnection, URL, InputStream etc. It also provides screenshots and the output for readability. Furthermore, it encourages viewers to contact them for any queries, suggestions or appreciation.
How to get the list of cache files and directories of your Android App?
The content includes a video tutorial showcasing how to read the Cache of an Android app using code. A WebView is added to allow folders and files to be visible in the app’s cache directory, utilizing the Preference API from the AndroidX library. The complete source code for the process is provided for developers, including the XML manifest and a list of necessary dependencies that need to be implemented. Communication channels for viewers to provide feedback, ask questions, or share their appreciation for the informative video have also been cited.
How to Display a Bitmap Image in a WebView in Android App?
The given post features a tutorial video and the complete source code for a procedure to display an image from Android’s local storage into a WebView. The image is retrieved from the download folder, converted into a Bitmap, and loaded into the WebView using the loadDataWithBaseURL API. It shares code for permissions, accessing storage, loading the image into an ImageView, and then converting it into a string using Base64 to load it onto a WebView. The detailed process further includes relevant Android XML design and manifest files. Links are provided for further assistance or queries.
How to convert TextView to WebView (HTML) using the WebView.loadData in your Android App?
The video demonstrates how to convert a TextView to a WebView using the loadData API in HTML MIME type. This conversion is performed using the Java package com.programmerworld.textviewtowebview by creating a ‘MainActivity’ class with TextView and WebView properties. Then, in a method called ‘buttonGTextViewToWebView’, the TextView is converted into a string and loaded as ‘text/html’ into the WebView. The corresponding XML design layout uses a ConstraintLayout containing a TextView, Button, and WebView. For queries or suggestions, viewers can contact through the given website or email.
How to print the String of TextView using the added printers or PDF printer from your Android App?
The video tutorial demonstrates how to use the Print API for printing content from a TextView widget in an Android application. In the tutorial, the TextView widget content is first converted into WebView format using the LoadData API. Then, the PrintDocumentAdapter, created on WebView, outputs the content via the Print API. The video provides step-by-step coding instructions along with a walkthrough of the Android application’s interface and functionalities. No changes are required in the manifest file for this process. The contact information for further queries or suggestions is also provided.
How to print a WebView using the installed printer (or PDF) from your Android App?
The content provides a video demonstration of the code to print the complete content of a WebView widget utilizing the Print API from the PrintManager class in Android development. The demonstration specifically shows how to print the content of the home page of the ‘programmerworld.co’ website. It also provides the complete source code for this operation, including definitions for the MainActivity class, the manifest file, and the XML layout file. For further queries, suggestions, or feedback, it directs users to contact via the website contact form or email.
How to check whether the Developer option (Android Debug Bridge) is enabled in the phone from your Android App? – Android Studio Java code
The content appears to introduce a video tutorial that guides users on utilizing an Android app code. This code checks whether the developer option is activated in an Android device. The tutorial leverages the DEVELOPMENT_SETTINGS_ENABLED to perform this check and provides potential viewers with complete source code, down to the very design of the user interface. Furthermore, the resource offers a channel for inquiries, comments, or acknowledgments, giving viewers the alternative to visit ProgrammerWorld’s contact page or to send an email to programmerworld1990@gmail.com.
How to get the Signal Strength of the phone’s cellular network in your Android App?
The content provides a tutorial on how to check mobile network signal strength using an Android app. It suggests using the telephonyManager.getSignalStrength().getLevel() API. The value returns on a scale of 0-4, providing a gauge of signal quality; 0 signifies very poor signal strength, while 4 indicates very strong signal strength. The remaining part of the content includes a detailed walkthrough of an Android app’s code that utilizes the aforementioned method to display the signal strength. The resource for additional guidance is also supplied via a video link and contact information for further queries or recommendations.