Automate Android Library Integration with Cursor's Agent Mode
As developers, we often find ourselves repeating similar integration steps for various libraries. What if your IDE could proactively guide you through the setup, asking for necessary parameters and generating boilerplate code on the fly? With tools like Cursor's "Agent Requested" mode, this is not just a dream but a reality.
This post delves into how to empower Cursor to integrate a custom library (let's call it "MyGraph") into your Android application, making the setup process remarkably efficient.
Understanding Cursor's "Agent Requested" Mode
Cursor's "Agent Requested" mode is a powerful feature that allows the IDE's AI assistant to take initiative based on the context of your project or specific triggers. Instead of you explicitly asking for help every time, the AI can "sense" when its assistance might be beneficial and offer it automatically.
How the AI Decides: The `rules.mdc` File
The magic behind this proactive assistance lies in a special file named `rules.mdc`. This file, placed in your project's `<project-root>/.cursor/rules/` directory, contains the instructions and conditions that tell the AI when to trigger a specific "rule" or action.
A crucial part of the `rules.mdc` file is its description. This description is what the Large Language Model (LLM) within Cursor reads to understand the purpose of your rule and decide whether it's relevant to the current user query or context. When a user's prompt aligns with the rule's description or trigger conditions, the AI activates it.
Here's what our `rules.mdc` file looks like for the MyGraph library integration:
---
description: This rule is help when user asks to integrate a graph library in their android apps.
globs:
alwaysApply: false
---
Cursor IDE Rule: MyGraph Android Library Integration Guide
---
## Overview
The MyGraph Android Library enables rendering custom graphs and visualizations within Android applications.
## 🎯 Trigger Condition
When the prompt contains any of the following phrases:
- "render graph"
- "integrate graph library"
---
## ❓ Clarifying Question
Prompt the user:
> Please share your graph configuration ID, so that I can integrate it into your code.
> Please share your project identifier, so that I can integrate it into your code.
> Please share the name of the graph you want to display, so that I can integrate it into your code.
When the user confirms, save them in local.properties file. Use values of graph configuration ID, project identifier, and graph name from local.properties file and use them in kotlin or Java code to initialize the MyGraph library by reading it from local.properties using BuildConfig variables. Add import "import java.util.Properties" in gradle file if required.
---
## Android Library Installation
To integrate the MyGraph Library into your Android application, you first need to install the library through a package manager for Android. The MyGraph Android Library can be installed using Gradle.
```build.gradle
implementation 'com.mygraph:mygraph-android-library:<latestVersion>'
````
Get the latest version from your library's maven page at https://mvnrepository.com/artifact/com.mygraph/mygraph-android-library/
-----
## Library Initialization & Graph Rendering
To integrate the MyGraph Library into your Android application, you first need to install the library.
### Basic Setup & Rendering (Kotlin)
```kotlin
import com.mygraph.MyGraph
import com.mygraph.interfaces.MyGraphInitCallback
import com.mygraph.models.GraphConfig
import com.mygraph.models.GraphOptions
import android.widget.LinearLayout // Example UI container
// Assuming 'context' is your Activity or Application context
// And 'graphContainer' is a LinearLayout in your layout where the graph will be rendered
val graphConfig = GraphConfig()
graphConfig.configId = GRAPH_CONFIG_ID // Required: Configuration ID from MyGraph Dashboard
graphConfig.projectId = PROJECT_IDENTIFIER // Required: Your MyGraph Project ID
MyGraph.initialize(graphConfig, object : MyGraphInitCallback {
override fun onInitSuccess(myGraphClient: MyGraph, message: String) {
// Library initialized successfully - store myGraphClient instance for rendering
Log.d("MyGraph-App", "MyGraph initialized successfully: $message")
// Now, render the graph
val graphOptions = GraphOptions()
graphOptions.graphName = GRAPH_NAME // The name of the graph to display
graphOptions.data = mapOf("param1" to "value1", "param2" to 123) // Optional: data for the graph
myGraphClient.renderGraph(context, graphContainer, graphOptions, object : MyGraphRenderCallback {
override fun onRenderSuccess(message: String) {
Log.d("MyGraph-App", "Graph rendered successfully: $message")
}
override fun onRenderFailed(message: String) {
Log.e("MyGraph-App", "Graph rendering failed: $message")
// Handle rendering failure - display error or fallback
}
})
}
override fun onInitFailed(message: String) {
Log.e("MyGraph-App", "MyGraph initialization failed: $message")
}
})
```
### Basic Setup & Rendering (Java)
```java
import com.mygraph.MyGraph;
import com.mygraph.interfaces.MyGraphInitCallback;
import com.mygraph.models.GraphConfig;
import com.mygraph.models.GraphOptions;
import android.widget.LinearLayout; // Example UI container
import androidx.annotation.NonNull; // For annotations
// Assuming 'context' is your Activity or Application context
// And 'graphContainer' is a LinearLayout in your layout where the graph will be rendered
GraphConfig graphConfig = new GraphConfig();
graphConfig.setConfigId(GRAPH_CONFIG_ID); // Required
graphConfig.setProjectId(PROJECT_IDENTIFIER); // Required
MyGraph.initialize(graphConfig, new MyGraphInitCallback() {
@Override
public void onInitSuccess(@NonNull MyGraph myGraphClient, @NonNull String message) {
// Library initialized successfully
Log.d("MyGraph-App", "MyGraph initialized successfully: " + message);
// Now, render the graph
GraphOptions graphOptions = new GraphOptions();
graphOptions.setGraphName(GRAPH_NAME); // The name of the graph to display
// Optional: add data for the graph
// Map data = new HashMap<>();
// data.put("param1", "value1");
// graphOptions.setData(data);
myGraphClient.renderGraph(context, graphContainer, graphOptions, new MyGraphRenderCallback() {
@Override
public void onRenderSuccess(@NonNull String message) {
Log.d("MyGraph-App", "Graph rendered successfully: " + message);
}
@Override
public void onRenderFailed(@NonNull String message) {
Log.e("MyGraph-App", "Graph rendering failed: " + message);
// Handle rendering failure
}
});
}
@Override
public void onInitFailed(@NonNull String message) {
Log.e("MyGraph-App", "MyGraph initialization failed: " + message);
}
});
```
Interactive Integration: Asking for User Input
What makes this approach truly powerful is the AI's ability to engage with the user. Our rule includes a "Clarifying Question" section. When the rule is triggered, Cursor will prompt the user with questions like:
Please share your graph configuration ID, project identifier, name of the graph, so that I can integrate it into your code.
Once the user provides this information, the rule intelligently saves these details (e.g., in `local.properties`) and then uses them to generate the correct initialization and rendering code for the MyGraph library directly into your Android project. It not just integrates it in `local.properties` but it modifies build.gradle to define buildConfigField's with values of these sensitive keys. This eliminates manual copy-pasting and variable replacement, significantly reducing setup time and potential errors.
Setting Up the Rule
To use this rule, simply place the `rules.mdc` file in the following path within your Android project's root directory: `<project-root>/.cursor/rules/graph-integration-rule.mdc`.
Conclusion
Leveraging Cursor's "Agent Requested" mode with custom rules transforms the way you interact with your IDE. By clearly defining trigger conditions and integrating interactive prompts, you can automate complex library integrations, save valuable time, and keep your focus on building amazing Android applications. Give it a try and streamline your development workflow!
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