Android : improve the version number management (#46)

Add functions to make the difference between the native and the java code version.

Factor out the version management in the makefiles.

Makefile

 #!/usr/bin/make -f
 
-MAJOR := 2
-MINOR := 2
-PATCH := 2
+include common.mk
 VERSION := $(MAJOR).$(MINOR).$(PATCH)
 PREFIX ?= /usr/local
 BUILD_DIR := build

README.rst

@@ -49,7 +49,7 @@ To build the Xcode workspace for Objective-C bindings, run:
 Release process
 ---------------
 
-First: bump version numbers in ``Makefile``, ``javascript/package.json``,
+First: bump version numbers in ``common.mk``, ``javascript/package.json``,
 ``OLMKit.podspec``, and ``android/olm-sdk/build.gradle`` (``versionCode``,
 ``versionName`` and ``version``).
 

android/olm-sdk/src/androidTest/java/org/matrix/olm/OlmAccountTest.java

@@ -65,7 +65,7 @@ public class OlmAccountTest {
 
         String olmLibVersion = mOlmManager.getOlmLibVersion();
         assertNotNull(olmLibVersion);
-        String olmSdkVersion = mOlmManager.getSdkOlmVersion(getInstrumentation().getContext());
+        String olmSdkVersion = mOlmManager.getDetailedVersion(getInstrumentation().getContext());
         assertNotNull(olmLibVersion);
         Log.d(LOG_TAG, "## setUpClass(): Versions - Android Olm SDK = "+olmSdkVersion+"  Olm lib ="+olmLibVersion);
     }

android/olm-sdk/src/main/java/org/matrix/olm/OlmManager.java

@@ -43,17 +43,26 @@ public class OlmManager {
 
     /**
      * Provide the android library version
-     * @param context the context
      * @return the library version
      */
-    public String getSdkOlmVersion(Context context) {
+    public String getVersion() {
+        return BuildConfig.VERSION_NAME;
+    }
+
+    /**
+     * Provide a detailed version.
+     * It contains the android and the native libraries versions.
+     * @param context the context
+     * @return the detailed version
+     */
+    public String getDetailedVersion(Context context) {
         String gitVersion = context.getResources().getString(R.string.git_olm_revision);
         String date = context.getResources().getString(R.string.git_olm_revision_date);
-        return gitVersion + "-" + date;
+        return getVersion() + " - olm version (" + getOlmLibVersion() + ") - " + gitVersion + "-" + date;
     }
 
     /**
-     * Get the OLM lib version.
+     * Provide the native OLM lib version.
      * @return the lib version as a string
      */
     public String getOlmLibVersion(){

android/olm-sdk/src/main/jni/Android.mk

 LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := olm
-MAJOR := 2
-MINOR := 0
-PATCH := 0
+include ../../../../common.mk
 OLM_VERSION := $(MAJOR).$(MINOR).$(PATCH)
+
+LOCAL_MODULE := olm
+
 SRC_ROOT_DIR := ../../../../..
 
 $(info LOCAL_PATH=$(LOCAL_PATH))

common.mk

+
+MAJOR := 2
+MINOR := 2
+PATCH := 2