ui: bring back donation button

For Google Play Store builds, we'll display an alert box. This was
inspired by the discussion around StreetComplete; hopefully we'll have a
similar okay outcome.

Link: https://github.com/streetcomplete/streetcomplete/issues/3768
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt b/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt
new file mode 100644
index 00000000..57202c81
--- /dev/null
+++ b/ui/src/main/java/com/wireguard/android/preference/DonatePreference.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2017-2023 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.preference
+
+import android.app.AlertDialog
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.util.AttributeSet
+import androidx.preference.Preference
+import com.wireguard.android.BuildConfig
+import com.wireguard.android.R
+
+class DonatePreference(context: Context, attrs: AttributeSet?) : Preference(context, attrs) {
+    override fun getSummary() = context.getString(R.string.donate_summary)
+
+    override fun getTitle() = context.getString(R.string.donate_title)
+
+    override fun onClick() {
+        if (BuildConfig.IS_GOOGLE_PLAY) {
+            AlertDialog.Builder(context)
+                .setTitle(R.string.donate_title)
+                .setMessage(R.string.donate_google_play_disappointment)
+                .show()
+            return
+        }
+        val intent = Intent(Intent.ACTION_VIEW)
+        intent.data = Uri.parse("https://www.wireguard.com/donations/")
+        try {
+            context.startActivity(intent)
+        } catch (ignored: ActivityNotFoundException) {
+        }
+    }
+}
\ No newline at end of file