improve ActivityDelegateImpl and FragmentDelegateImpl

arms/src/main/java/com/jess/arms/base/delegate/ActivityDelegateImpl.java

@@ -30,7 +30,13 @@ public class ActivityDelegateImpl implements ActivityDelegate {
     public void onCreate(Bundle savedInstanceState) {
         if (iActivity.useEventBus())//如果要使用eventbus请将此方法返回true
             EventBus.getDefault().register(mActivity);//注册到事件主线
-        mActivity.setContentView(iActivity.initView());
+        try {
+            int layoutResID = iActivity.initView();
+            if (layoutResID != 0)//如果initView返回0,框架则不会调用setContentView()
+                mActivity.setContentView(layoutResID);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
         //绑定到butterknife
         mUnbinder = ButterKnife.bind(mActivity);
         iActivity.setupActivityComponent(((App) mActivity.getApplication()).getAppComponent());//依赖注入

arms/src/main/java/com/jess/arms/base/delegate/FragmentDelegateImpl.java

@@ -35,7 +35,7 @@ public class FragmentDelegateImpl implements FragmentDelegate {
 
     @Override
     public void onAttach(Context context) {
-
+        iFragment.setupFragmentComponent(((App) mFragment.getActivity().getApplication()).getAppComponent());
     }
 
     @Override
@@ -54,7 +54,6 @@ public class FragmentDelegateImpl implements FragmentDelegate {
     public void onActivityCreate(Bundle savedInstanceState) {
         if (iFragment.useEventBus())//如果要使用eventbus请将此方法返回true
             EventBus.getDefault().register(mFragment);//注册到事件主线
-        iFragment.setupFragmentComponent(((App) mFragment.getActivity().getApplication()).getAppComponent());
         iFragment.initData();
     }
 

arms/src/main/java/com/jess/arms/base/delegate/IActivity.java

@@ -19,6 +19,11 @@ public interface IActivity {
 
     boolean useEventBus();
 
+    /**
+     * 如果initView返回0,框架则不会调用{@link android.app.Activity#setContentView(int)}
+     *
+     * @return
+     */
     int initView();
 
     void initData();