calendar isnt starting pending intent android studio

Calendar Isn't Starting Pending Intent in Android Studio

In Android development, understanding how intent filters work is crucial for building robust and user-friendly applications. An intent filter is an expression in the app's manifest file that specifies the type of intents a component would like to receive. When multiple intent filters are matched, the system displays a dialog allowing users to choose which app to use.

When a matching component is found, the system starts that component and sends it an Intent object. In Android, implicit intents allow developers to request another app to perform a specific action without specifying any name of the component to start. Instead, they declare an action to perform, allowing other apps to handle it.

To illustrate this concept, let's consider the following example. Suppose we want to create an app that can show location details. We can use implicit intents to request another app to perform this task. When we create an intent with the required action and send it to the Android system using the `startActivity()` method, the system searches for an intent filter that matches the intent in all apps.

If a match is found, the system starts the matching activity (Activity B) by invoking its `onCreate()` method. This process allows developers to create apps that can communicate with each other and perform specific tasks without having to specify the exact component to start.

The following diagram illustrates how implicit intents send a request to the Android system to start another activity:

By using implicit intents, developers can build more flexible and user-friendly applications that can interact with other apps on the device. In this way, intent filters play a crucial role in Android development, allowing us to create robust and efficient applications.

Calendar isnt starting pending intent android studio