feat(app): implement Google Play App Licensing

Signed-off-by: YuutaW <17158086+Trumeet@users.noreply.github.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java b/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java
new file mode 100644
index 0000000..619985e
--- /dev/null
+++ b/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java
@@ -0,0 +1,18 @@
+package moe.yuuta.gplicense.util;
+
+/**
+ * Exception thrown when encountering an invalid Base64 input character.
+ *
+ * @author nelson
+ */
+public class Base64DecoderException extends Exception {
+    public Base64DecoderException() {
+        super();
+    }
+
+    public Base64DecoderException(String s) {
+        super(s);
+    }
+
+    private static final long serialVersionUID = 1L;
+}
\ No newline at end of file