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app/src/main/res/layout/activity_gps.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center"
+    android:orientation="vertical">
+
+
+    <Button
+        android:textSize="30sp"
+        android:text="发送gps"
+        android:onClick="sendgps"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+
+
+</LinearLayout>