1：修改BaseApplication类；

guiying712 · guiying712 · commit 37ea9ccd5800 · 2017-09-30T14:23:20.000+08:00
diff --git a/lib_common/src/main/java/com/guiying/module/common/base/BaseApplication.java b/lib_common/src/main/java/com/guiying/module/common/base/BaseApplication.java
@@ -41,8 +41,30 @@ public void onCreate() {
         for (ApplicationDelegate delegate : mAppDelegateList) {
             delegate.onCreate();
         }
+    }
 
+    @Override
+    public void onTerminate() {
+        super.onTerminate();
+        for (ApplicationDelegate delegate : mAppDelegateList) {
+            delegate.onTerminate();
+        }
     }
 
 
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+        for (ApplicationDelegate delegate : mAppDelegateList) {
+            delegate.onLowMemory();
+        }
+    }
+
+    @Override
+    public void onTrimMemory(int level) {
+        super.onTrimMemory(level);
+        for (ApplicationDelegate delegate : mAppDelegateList) {
+            delegate.onTrimMemory(level);
+        }
+    }
 }
diff --git a/module_main/src/main/java/com/guiying/module/main/BottomNavigationActivity.java b/module_main/src/main/java/com/guiying/module/main/BottomNavigationActivity.java
@@ -39,7 +39,7 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {
                 mPager.setCurrentItem(1);
                 return true;
             } else if (i == R.id.navigation_notifications) {
-                mPager.setCurrentItem(2);
+                mPager.setCurrentItem(0);
                 return true;
             }
             return false;

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ public boolean onNavigationItemSelected(@NonNull MenuItem item) {`
`39`	`39`	`mPager.setCurrentItem(1);`
`40`	`40`	`return true;`
`41`	`41`	`} else if (i == R.id.navigation_notifications) {`
`42`		`- mPager.setCurrentItem(2);`
	`42`	`+ mPager.setCurrentItem(0);`
`43`	`43`	`return true;`
`44`	`44`	`}`
`45`	`45`	`return false;`