convert Bitmap to byte array using CompressFormat PNG - Android android.graphics

Android examples for android.graphics:Bitmap Convert

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  2. Android
  3. android.graphics
  4. Bitmap Convert

Description

convert Bitmap to byte array using CompressFormat PNG

Demo Code

import android.graphics.Bitmap;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.TransitionDrawable;
import android.lemon.assist.Base64;
import android.lemon.dct.FDCT;
import android.view.View;
import android.view.View;
import android.widget.ImageView;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

public class Main{

    /**// w  w  w .  j  a  va  2s  .c  o m
     * convert Bitmap to byte array
     */
    public static byte[] bitmapToByte(Bitmap b) {
        ByteArrayOutputStream o = new ByteArrayOutputStream();
        b.compress(Bitmap.CompressFormat.PNG, 100, o);
        return o.toByteArray();
    }

}

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