Table of Contents
Implementing Android Clipboard Access in a Mobile Game
Accessing the Android Clipboard
To access the clipboard in an Android-based mobile game, you’ll need to use the ClipboardManager class, which provides the tools to interact with the clipboard content. Here’s how you can retrieve and paste text using this class:
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
public class ClipboardHelper {
private ClipboardManager clipboardManager;
public ClipboardHelper(Context context) {
clipboardManager = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
}
public String getTextFromClipboard() {
if (clipboardManager.hasPrimaryClip()) {
ClipData data = clipboardManager.getPrimaryClip();
ClipData.Item item = data.getItemAt(0);
return item.getText().toString();
}
return "";
}
public void pasteTextToClipboard(String text) {
ClipData clip = ClipData.newPlainText("simple text", text);
clipboardManager.setPrimaryClip(clip);
}
}Integrating with Unity
In a Unity game, you need to create a bridge between the Unity C# code and your Android Java code. Use Unity’s AndroidJavaClass and AndroidJavaObject to interact with the Android API:
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using UnityEngine;
public class ClipboardManager : MonoBehaviour {
public string GetTextFromClipboard() {
AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject currentActivity = unityPlayer.GetStatic("currentActivity");
AndroidJavaObject clipboardHelper = new AndroidJavaObject("com.example.ClipboardHelper", currentActivity);
return clipboardHelper.Call("getTextFromClipboard");
}
public void PasteTextToClipboard(string text) {
AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject currentActivity = unityPlayer.GetStatic("currentActivity");
AndroidJavaObject clipboardHelper = new AndroidJavaObject("com.example.ClipboardHelper", currentActivity);
clipboardHelper.Call("pasteTextToClipboard", text);
}
} Best Practices for Android Clipboard Integration
- Ensure sensitive data is not accidentally exposed through the clipboard, especially in multiplayer or online environments.
- Be mindful of platform differences; not all Android devices handle clipboard access identically, so test across multiple devices.
- Consider user experience and permissions — direct clipboard access might require user interactions or prompts depending on the Android version.
