fixing new API

Author: gfursin

app/src/main/java/openscience/crowdsource/video/experiments/MainActivity.java

@@ -16,6 +16,7 @@
 
 package openscience.crowdsource.video.experiments;
 
+import android.Manifest;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -245,6 +246,12 @@ public void onClick(View v) {
             }
         });
 
+        if (Build.VERSION.SDK_INT>Build.VERSION_CODES.LOLLIPOP_MR1) {
+            String[] perms = { Manifest.permission.READ_EXTERNAL_STORAGE,
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE};
+            requestPermissions(perms, 200);
+        }
+
         initConsole();
 
         startStopCam = (Button) findViewById(R.id.btn_capture);