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android – Center a drawable in a Button with background and no text

Posted by: admin June 15, 2020 Leave a comment

Questions:

I have a few buttons in my Android app. They each look kinda like this:

<Button
    android:id="@+id/button_1"
    android:drawableTop="@drawable/an_icon"
    android:background="@drawable/a_background"
    android:layout_width="size_dp"
    android:layout_height="size_dp">
</Button>

Granted, I’m new to Android dev, but I can’t figure out how to center the drawable in my button. I’ve tried the different drawableLocations, margins and padding for the button and its container, as well as drawablePadding, but I can’t seem to get it done. Is there a way to center the drawable without abandoning Button for another View?

How to&Answers:

Is there a way to center the drawable without abandoning Button

So you can have both (background & drawable) by using ImageView as below: (So No need to use Button)

<ImageView
    android:id="@+id/imageView1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/an_icon"
    android:background="@drawable/a_background" />

For OnClick of ImageView:

findViewById(R.id.imageView1).setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub

    }
});

Answer:

The easiest solution is to use ImageButton widget:

<ImageButton
    (...)
    android:background="@drawable/a_background"
    android:src="@drawable/an_icon"
    />

Answer:

Try this:

  <Button
        android:id="@+id/button_1"
        android:drawableTop="@drawable/an_icon"
        android:background="@drawable/a_background"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="151dp">
    </Button>