Save the project and ref across rotation

app/src/main/java/com/commit451/gitlab/activity/ProjectActivity.java

@@ -42,6 +42,9 @@ public class ProjectActivity extends BaseActivity {
     private static final String EXTRA_PROJECT_NAMESPACE = "extra_project_namespace";
     private static final String EXTRA_PROJECT_NAME = "extra_project_name";
+    private static final String STATE_REF = "ref";
+    private static final String STATE_PROJECT = "project";
+
     private static final int REQUEST_BRANCH_OR_TAG = 1;
     public static Intent newIntent(Context context, Project project) {
@@ -139,6 +142,10 @@ public class ProjectActivity extends BaseActivity {
         ButterKnife.bind(this);
         Project project = Parcels.unwrap(getIntent().getParcelableExtra(EXTRA_PROJECT));
+        if (savedInstanceState != null) {
+            project = Parcels.unwrap(savedInstanceState.getParcelable(STATE_PROJECT));
+            mRef = Parcels.unwrap(savedInstanceState.getParcelable(STATE_REF));
+        }
         mToolbar.setNavigationIcon(R.drawable.ic_back_24dp);
         mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
             @Override
@@ -178,6 +185,13 @@ public class ProjectActivity extends BaseActivity {
         }
     }
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putParcelable(STATE_REF, Parcels.wrap(mRef));
+        outState.putParcelable(STATE_PROJECT, Parcels.wrap(mProject));
+    }
+
     private void loadProject(String projectId) {
         showProgress();
         App.instance().getGitLab().getProject(projectId).enqueue(mProjectCallback);
@@ -223,7 +237,9 @@ public class ProjectActivity extends BaseActivity {
     private void bindProject(Project project) {
         mProject = project;
-        mRef = new Ref(Ref.TYPE_BRANCH, mProject.getDefaultBranch());
+        if (mRef == null) {
+            mRef = new Ref(Ref.TYPE_BRANCH, mProject.getDefaultBranch());
+        }
         mToolbar.setTitle(mProject.getName());
         mToolbar.setSubtitle(mProject.getNamespace().getName());
         setupTabs();

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.1'
+        classpath 'com.android.tools.build:gradle:2.2.2'
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
         //check with ./gradlew dependencyUpdates
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.13.0'