Android一键保存图片至相册

/**
 * date:2020/9/26 0026
 * author:wsm (Administrator)
 * funcation:保存图片至相册
 */
public class SaveNetPhotoUtils {
    
    

    private static Context contexts;
    private static String photoUrls;
    private static Bitmap bitmap;
    private static String mSaveMessage = "failed";

    //自定义名字
    private static String photoNames;

    /**
     * 保存图片，无须自定义名字
     *
     * @param context
     * @param photoUrl
     */
    public static void savePhoto(Context context, String photoUrl) {
    
    
        contexts = context;
        photoUrls = photoUrl;
        new Thread(saveFileRunnable).start();
    }

    /**
     * 定义图片名字保存到相册
     *
     * @param context
     * @param photoUrl
     * @param photoName 图片名字，定义格式 name.jpg/name.png/...
     */
    public static void savePhoto(Context context, String photoUrl, String photoName) {
    
    
        contexts = context;
        photoUrls = photoUrl;
        photoNames = photoName;
        new Thread(saveFileRunnable2).start();
    }

    private static Runnable saveFileRunnable = new Runnable() {
    
    
        @Override
        public void run() {
    
    
            try {
    
    
                if (!TextUtils.isEmpty(photoUrls)) {
    
    
                    URL url = new URL(photoUrls);
                    InputStream inputStream = url.openStream();
                    bitmap = BitmapFactory.decodeStream(inputStream);
                    inputStream.close();
                }
                saveFile(bitmap);
                mSaveMessage = "success！";
            } catch (IOException e) {
    
    
                mSaveMessage = "failed";
                e.printStackTrace();
            } catch (Exception e) {
    
    
                e.printStackTrace();
            }
            messageHandler.sendMessage(messageHandler.obtainMessage());
        }
    };

    private static Runnable saveFileRunnable2 = new Runnable() {
    
    
        @Override
        public void run() {
    
    
            try {
    
    
                if (!TextUtils.isEmpty(photoUrls)) {
    
    
                    URL url = new URL(photoUrls);
                    InputStream inputStream = url.openStream();
                    bitmap = BitmapFactory.decodeStream(inputStream);
                    inputStream.close();
                }
                saveFile(bitmap, photoNames);
                mSaveMessage = "success！";
            } catch (IOException e) {
    
    
                mSaveMessage = "failed";
                e.printStackTrace();
            } catch (Exception e) {
    
    
                e.printStackTrace();
            }
            messageHandler.sendMessage(messageHandler.obtainMessage());
        }
    };

    /**
     * 保存成功和失败通知
     */
    @SuppressLint("HandlerLeak")
    private static Handler messageHandler = new Handler() {
    
    
        @Override
        public void handleMessage(Message msg) {
    
    
            Toast.makeText(contexts, mSaveMessage, Toast.LENGTH_SHORT).show();
        }
    };

    /**
     * 保存图片
     *
     * @param bm
     * @throws IOException
     */
    public static void saveFile(Bitmap bm) throws IOException {
    
    
        File dirFile = new File(Environment.getExternalStorageDirectory().getPath());
        if (!dirFile.exists()) {
    
    
            dirFile.mkdir();
        }

        //图片命名
        String fileName = UUID.randomUUID().toString() + ".jpg";
        File myCaptureFile = new File(Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/" + fileName);
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
        bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);
        bos.flush();
        bos.close();

        //广播通知相册有图片更新
        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        Uri uri = Uri.fromFile(myCaptureFile);
        intent.setData(uri);
        contexts.sendBroadcast(intent);
    }

    /**
     * 保存图片
     *
     * @param bm
     * @param photoName 图片命名
     * @throws IOException
     */
    public static void saveFile(Bitmap bm, String photoName) throws IOException {
    
    
        File dirFile = new File(Environment.getExternalStorageDirectory().getPath());
        if (!dirFile.exists()) {
    
    
            dirFile.mkdir();
        }

        //图片命名后保存到相册
        File myCaptureFile = new File(Environment.getExternalStorageDirectory().getPath() + "/DCIM/Camera/" + photoName);
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
        bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);
        bos.flush();
        bos.close();

        //广播通知相册有图片更新
        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        Uri uri = Uri.fromFile(myCaptureFile);
        intent.setData(uri);
        contexts.sendBroadcast(intent);
    }
}

一键按钮保存

 @OnClick(R.id.txt_save)
    public void onViewClicked() {
    
    
        SaveNetPhotoUtils.savePhoto(getActivity(), image);//上下文，图片
    }