What is the difference between layout gravity and gravity

If your view does not take up an entire dimension of its' parent, you might want to align it depending on your desired look. Their names should help you: android:gravity sets the gravity of the contents i. And an example is here.

That's called polymorphism. You can read up on it. Only authorized users can answer the question. You can also set the gravity for a View programmatically in Android using the setGravity … method. The setGravity … method accepts an integer as a parameter which can be one of the constants available on the following page in the official docs for gravity. The code sample above for setting the gravity on a TextView widget programmatically will produce the following screenshot.

The last one is LinearLayout. Cool, TextView is centered. What about more than one view? The next view is placed below the first one, but both of them in general are centered. I guess that I use often that kind of approach to create layouts like login screen or similar. One more example with horizontal orientation.

Ok, we can say that this layout places views next to each other with the chosen orientations starting from the point specified by values included in gravity attribute. The first one we should apply to the views inside some layout, however the second one we can use not only as an attribute in the layout.

The text inside the TextView is started from the top-left corner. How to center it? With the use of android:gravity attribute. Cool, now it looks much better. We can think about the text inside the TextView as a child view and the TextView as a parent tells the text how it should be placed. He said that layout and LinearLayout do not layout. If you are using LinearLayout and gravity is setting LinearLayout, you are at a loss for example, me , switch to another option.

I actually switched to RelativeLayout and then used layout? Alignparentleft and layout? Alignparentright on the two included textviews to move them left and right on one line.

Internal external. Sometimes it helps to see pictures. Green and blue are TextViews and the other two background colors are LinearLayouts.