edit notefication and add chaching

.drone.yml

@@ -50,6 +50,10 @@ steps:
 - name: build 
   image: nextcloudci/android:android-49
   volumes:
+  - name: gradle
+    path: /root/.gradle
+  - name: android
+    path: /opt/android-sdk-linux
   - name: tmp
     path: /drone/src/out
   commands:
@@ -84,15 +88,22 @@ steps:
       from_secret: telegram_user
     format: markdown
     message: |
+      {{#success build.status}}
+        Release-{{build.tag}} successfully released.
+      {{else}}
         Build [#{{build.number}}]({{build.link}}) from commit [{{truncate commit.sha 10}}]({{commit.link}}) with tag {{build.tag}} **failed**.
         {{uppercasefirst commit.author}} please fix me!
-  when:
+      {{/success}}
-    status:
-      - failure
 
 volumes:
 - name: tmp
   temp: {}
+- name: gradle
+  host:
+    path: /home/drone/.gradle
+- name: android
+  host: 
+    path: /home/drone/Android/Sdk
 
 trigger:
   event: