Fix clipboard issues

app/src/main/java/com/hippo/util/ClipboardUtil.java

@@ -0,0 +1,62 @@
+package com.hippo.util;
+
+import android.annotation.SuppressLint;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+public class ClipboardUtil {
+    private static final String TAG = "ClipboardUtil";
+    @Nullable
+    private static ClipboardManager clipboardManager;
+
+    @SuppressLint("StaticFieldLeak")
+    private static Context sContext;
+
+    public static void initialize(Context context) {
+        sContext = context;
+        clipboardManager = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        if (clipboardManager == null) {
+            Log.e(TAG, "This device has no clipboard!");
+        }
+    }
+
+    public static void addTextToClipboard(String text) {
+        if (clipboardManager != null) {
+            clipboardManager.setPrimaryClip(ClipData.newPlainText(null,text));
+        }
+    }
+
+    public static String getTextFromClipboard() {
+        if (clipboardManager != null) {
+            try {
+                if (!clipboardManager.hasPrimaryClip()) {
+                    return null;
+                }
+                ClipData primaryClip = clipboardManager.getPrimaryClip();
+                if (primaryClip == null) {
+                    return null;
+                }
+                ClipData.Item item = primaryClip.getItemAt(0);
+                if (item == null) {
+                    return null;
+                }
+                String string = String.valueOf(item.coerceToText(sContext));
+                if (!TextUtils.isEmpty(string)) {
+                    return string;
+                } else {
+                    return null;
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+                return null;
+            }
+        } else {
+            return null;
+        }
+    }
+}