Merge pull request #78 from shimohq/fix/null-bug

fix:尝试fix 线上bug

Author: wsong910

android/src/main/java/im/shimo/react/keyboard/AdjustResizeWithFullScreen.java

@@ -31,7 +31,10 @@ public class AdjustResizeWithFullScreen {
     private int mHeightPixels;
 
     public static View getDecorView() {
-        return mInstance.mActivity.getWindow().getDecorView();
+        if(mInstance != null && mInstance.mActivity != null) {
+            return mInstance.mActivity.getWindow().getDecorView();
+        }
+        return null;
     }
 
     public static boolean isInit() {

android/src/main/java/im/shimo/react/keyboard/KeyboardView.java

@@ -692,10 +692,9 @@ public void run() {
                     mContentViewPopupWindow.setWidth(useRight);
                 }
                 final View decorView = AdjustResizeWithFullScreen.getDecorView();
-                if(decorView==null) {
-                    AdjustResizeWithFullScreen.assistRegisterActivity(mThemedContext.getCurrentActivity(), statusBarHeight, navigationBarHeight, this);
+                if(decorView!=null) {
+                    mContentViewPopupWindow.showAtLocation(decorView, Gravity.NO_GRAVITY, AdjustResizeWithFullScreen.getUseLeft(), top);
                 }
-                mContentViewPopupWindow.showAtLocation(decorView, Gravity.NO_GRAVITY, AdjustResizeWithFullScreen.getUseLeft(), top);
             }
             mPreContentHeight = tempHeight;
             mPreContentTop = top;