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Editorial Team
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Asked: 2026-05-23T21:51:14+00:00

On Android, I am trying to create a dynamic image viewer that flip images

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On Android, I am trying to create a dynamic image viewer that flip images and at the bottom of each image I display some information about the image,1 or 2 lines of text max. I want to give the area that displays the text a unique background color to let it stand up. Everything works fine with the exception of one thing, when I set a color for TextView to let say “Black” I get the entire screen black covering the image image! and not only the TextView area. Please bear in mind that I create everything dynamically as I am doing below:

imageFrame = new FrameLayout(this);

Viewer = new ImageView(this);

imageInfo = new TextView(this);
imageInfo.setHeight(imageInfo.getLineHeight()); imageInfo.setGravity(Gravity.BOTTOM);
imageInfo.setBackgroundColor(Color.CYAN);
imageFrame.addView(Viewer);
imageFrame.addView(imageInfo);

Any help is appreciated

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1 Answer

  1. Editorial Team

    You might want to set the height and width dynamically as well. My guess is the textview width and height are set to fill_parent. If that doesn’t work try adding the elements to the imageFrame in a different order.

    Below is how you need to set the widths dynamically for each textview.

    TextView tv = (TextView) findViewById(R.id.yourtextviewname)
ViewGroup.LayoutParams vg1 = (ViewGroup.LayoutParams) tv.getLayoutParams();
vg1.width = 100;

tv.setLayoutParams(vg1);

    Also try making a linear layout the root element inside your frame layout. Then put the textview and image view in the linear layout.

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