bug fix

src/main/java/com/common/activity/TakePhotoActivity.java

@@ -103,6 +103,11 @@ public class TakePhotoActivity extends BaseActivity {
                         }
 
                         File file = BitmapUtils.saveBitmapToSDCard(bitmap, image, 100);
+                        if(file==null){
+                            setResult(RESULT_CANCELED);
+                            finish();
+                            return;
+                        }
                         //如果图片过大，则压缩
                         long size=FileUtils.getFileSize(file)/1024;
                         if (FileUtils.getFileSize(file) / 1024 > 1024) {

src/main/java/tech/starwin/utils/context_utils/FragmentLauncher.java

@@ -124,7 +124,7 @@ public class FragmentLauncher {
             listener.onFragmentCreated(fragment);
         }
         //提交
-        transaction.commit();
+        transaction.commitAllowingStateLoss();
         return fragment;
     }
 

src/main/java/tech/starwin/utils/context_utils/PermissionsHelper.java

@@ -86,7 +86,9 @@ public class PermissionsHelper {
      * 摄像头权限
      */
     public static void checkCameraPermission(FragmentActivity activity, OnPermissionListener listener) {
-        checkPermission(activity, CAMERA, listener);
+        if (activity != null) {
+            checkPermission(activity, CAMERA, listener);
+        }
     }
 
     /**