Android progressBar not showing

Question

I have a progressbar that is supposed to run in an AsyncTask , but it is not appearing, although the task runs

XML:

Answer 1

Did you forget to execute your task?

  ...
  diagProgress = (ProgressBar)findViewById(R.id.progressBar1);
  new DiagnosticsTask().execute();


  ....

Answer 2

I had that issue when I forgot to turn on animations after testing xD

Answer 3

Try this replace your ProgressBar with the one below.

<ProgressBar
    android:id="@+id/progressBar1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    android:indeterminate="true"
    />

Let me know if it works, I would explain the rationale.

Rationale: Now I am putting your code below for ProgressBar

<ProgressBar
    android:id="@+id/progressBar1"
    android:layout_width="200dip"
    android:layout_height="200dip"
    android:layout_alignParentBottom="true"
    android:layout_centerHorizontal="true"
    android:indeterminate="true"
    android:paddingBottom="450dip"
    />

RelativeLayout allows you Z-ordering. So since you needed ProgressBar on top you need not do the kind of manipulations you are doing.

android:layout_alignParentBottom="true"  

This sets the Progress Bar at the botton of the layout:

android:paddingBottom="450dip" android:layout_width="200dip" android:layout_height="200dip"

All the three values here are absolute which is a strict no-no as far as Android is concerned. Most Likely your paddingBottom was pushing your ProgressBar out of View. As your padding is greater than the actual width/height of the control

As a thumb rule always use relative values for it to work on all the devices and form factors.

Let me know if this makes sense.