Android初學第78天

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Android初學第78天

16_CameraIntent

代碼CriminalintentPictureUtils.java

package com.bignerdranch.android.criminalintent;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Point;public class PictureUtils {    public static Bitmap getScaledBitmap(String path, Activity activity) {        Point size = new Point();        activity.getWindowManager().getDefaultDisplay()                .getSize(size);        return getScaledBitmap(path, size.x, size.y);    }    public static Bitmap getScaledBitmap(String path, int destWidth, int destHeight) {        // Read in the dimensions of the image on disk        BitmapFactory.Options options = new BitmapFactory.Options();        options.inJustDecodeBounds = true;        BitmapFactory.decodeFile(path, options);        float srcWidth = options.outWidth;        float srcHeight = options.outHeight;        // Figure out how much to scale down by        int inSampleSize = 1;        if (srcHeight > destHeight || srcWidth > destWidth) {            float heightScale = srcHeight / destHeight;            float widthScale = srcWidth / destWidth;            inSampleSize = Math.round(heightScale > widthScale ? heightScale :                    widthScale);        }        options = new BitmapFactory.Options();        options.inSampleSize = inSampleSize;        // Read in and create final bitmap        return BitmapFactory.decodeFile(path, options);    }}

Android初學第78天