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bitmap转Base64,Base64转bitmap

成义随笔 2023-05-15 阅读 47


package com.arcsoft.sdk_demo;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Base64;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

/**
 * wuqingsen on 2020-04-12
 * Mailbox:1243411677@qq.com
 * annotation:bitmap转Base64,Base64转bitmap
 */
public class BitMapUtils {
    public static String bitmapToBase64(Bitmap bitmap) {

        String result = null;
        ByteArrayOutputStream baos = null;
        try {
            if (bitmap != null) {
                baos = new ByteArrayOutputStream();
                bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);

                baos.flush();
                baos.close();

                byte[] bitmapBytes = baos.toByteArray();
                result = Base64.encodeToString(bitmapBytes, Base64.DEFAULT);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (baos != null) {
                    baos.flush();
                    baos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return result;
    }

    /**
     * base64转为bitmap
     *
     * @param base64Data
     * @return
     */
    public static Bitmap base64ToBitmap(String base64Data) {
        byte[] bytes = Base64.decode(base64Data, Base64.DEFAULT);
        return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
    }
}

 

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