faq for android

An opensource and lightweight relational database for mobile devices. In Android development, the commonly used database is SQLite. SQLite is a lightweight, embedded relational database that is included with the Android operating system. It is a self-contained and serverless database engine, making it a popular choice for mobile applications. However, it’s worth noting that developers … Read more

A service is a component that runs in the background. It is used to play music, handle network transaction, etc. In Android, a service is a component that runs in the background to perform long-running operations or to handle tasks without a user interface. Services do not have a visual interface, and they run independently … Read more

Intent i = new Intent(getApplicationContext(), ActivityTwo.class); startActivity(i); To call another activity in Android, you typically use an Intent. Here’s a basic example in Java: java // Assuming you’re in the current activity Intent intent = new Intent(this, AnotherActivity.class); startActivity(intent); This code creates an Intent to start the AnotherActivity and then calls startActivity(intent) to actually launch … Read more

An explicit intent is used to invoke the activity class. In Android, an explicit intent is a type of intent that is used to specify a target component within the same application or a different application in a direct and explicit manner. It explicitly defines the target component’s class name to which the system should … Read more

The Implicit intent is used to invoke the system components. In Android, an implicit intent is a type of intent that does not explicitly specify the target component (e.g., activity, service) to start. Instead, it specifies the action to perform, and the Android system determines the appropriate component to handle that action based on the … Read more