Java tutorial
//package com.java2s; /* * Copyright (C) 2012 Kazuya (Kaz) Yokoyama <kazuya.yokoyama@gmail.com> * * 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. */ import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap getScreenFitBitmap(Bitmap src, int dispWidth, int dispHeight) { int srcWidth = src.getWidth(); int srcHeight = src.getHeight(); float scale = (float) dispWidth / srcWidth; Matrix matrix = new Matrix(); matrix.postScale(scale, scale); return Bitmap.createBitmap(src, 0, 0, srcWidth, srcHeight, matrix, true); } }