public
Created

  • Download Gist
gistfile1.txt
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81
/*
* Copyright (C) 2011 Make Ramen, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
 
package com.makeramen.segmented;
 
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.RadioButton;
 
public class CenteredRadioImageButton extends RadioButton {
 
Drawable image;
public CenteredRadioImageButton(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CompoundButton, 0, 0);
image = a.getDrawable(1);
setButtonDrawable(android.R.color.transparent);
}
 
// ADD THIS FUNCTION:
public void setImage(Drawable newImage) {
image = newImage;
}
 
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
 
if (image != null) {
image.setState(getDrawableState());
// scale image to fit inside button
int imgHeight = image.getIntrinsicHeight();
int imgWidth = image.getIntrinsicWidth();
int btnWidth = getWidth();
int btnHeight = getHeight();
float scale;
if (imgWidth <= btnWidth && imgHeight <= btnHeight) {
scale = 1.0f;
} else {
scale = Math.min((float) btnWidth / (float) imgWidth,
(float) btnHeight / (float) imgHeight);
}
int dx = (int) ((btnWidth - imgWidth * scale) * 0.5f + 0.5f);
int dy = (int) ((btnHeight - imgHeight * scale) * 0.5f + 0.5f);
image.setBounds(dx, dy, (int)(dx + imgWidth * scale), (int)(dy + imgWidth * scale));
image.draw(canvas);
}
}
}
 
 
// THEN IN YOUR MAIN FILE, YOU CAN DO THE FOLLOWING:
 
button.setImage(drawable);
 
// AS LONG AS button IS A CenteredRadioImageButton

Please sign in to comment on this gist.

Something went wrong with that request. Please try again.