android 中 H5页面无法调用相册之类 怎么办

    wvWebview.setWebChromeClient(new WebChromeClient() {
            @Override
            public void onProgressChanged(WebView view, int newProgress) {
                if (newProgress == 100) {
                    bar.setVisibility(View.INVISIBLE);
                    // line.setVisibility(View.VISIBLE);
                } else {
                    if (View.INVISIBLE == bar.getVisibility()) {
                        bar.setVisibility(View.VISIBLE);
                    }
                    bar.setVisibility(View.INVISIBLE);
                    bar.setProgress(newProgress);
                    bar.setVisibility(View.VISIBLE);
                }
                super.onProgressChanged(view, newProgress);
            }

            /**
             * 8(Android 2.2) <= API <= 10(Android 2.3)回调此方法
             */
            private void openFileChooser(android.webkit.ValueCallback<Uri> uploadMsg) {
                Log.e("WangJ", "运行方法 openFileChooser-1");
                // (2)该方法回调时说明版本API < 21，此时将结果赋值给 mUploadCallbackBelow，使之 != null
                mUploadCallbackBelow = uploadMsg;
                takePhoto();
            }

            /**
             * 11(Android 3.0) <= API <= 15(Android 4.0.3)回调此方法
             */
            public void openFileChooser(android.webkit.ValueCallback<Uri> uploadMsg, String acceptType) {
                Log.e("WangJ", "运行方法 openFileChooser-2 (acceptType: " + acceptType + ")");
                // 这里我们就不区分input的参数了，直接用拍照
                openFileChooser(uploadMsg);
            }

            /**
             * 16(Android 4.1.2) <= API <= 20(Android 4.4W.2)回调此方法
             */
            public void openFileChooser(android.webkit.ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
                Log.e("WangJ", "运行方法 openFileChooser-3 (acceptType: " + acceptType + "; capture: " + capture + ")");
                // 这里我们就不区分input的参数了，直接用拍照
                openFileChooser(uploadMsg);
            }

            /**
             * API >= 21(Android 5.0.1)回调此方法
             */
            @Override
            public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> valueCallback, FileChooserParams fileChooserParams) {
                Log.e("WangJ", "运行方法 onShowFileChooser");
                // (1)该方法回调时说明版本API >= 21，此时将结果赋值给 mUploadCallbackAboveL，使之 != null
                mUploadCallbackAboveL = valueCallback;
                takePhoto();
                return true;
            }

        });

 /**
     * 调用相机
     */
    private void takePhoto() {
        // 指定拍照存储位置的方式调起相机
        String filePath = Environment.getExternalStorageDirectory() + File.separator
                + Environment.DIRECTORY_PICTURES + File.separator;
        String fileName = "IMG_" + DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA)) + ".jpg";
        imageUri = Uri.fromFile(new File(filePath + fileName));

        //        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        //        intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
        //        startActivityForResult(intent, REQUEST_CODE);


        // 选择图片（不包括相机拍照）,则不用成功后发刷新图库的广播
        //        Intent i = new Intent(Intent.ACTION_GET_CONTENT);
        //        i.addCategory(Intent.CATEGORY_OPENABLE);
        //        i.setType("image/*");
        //        startActivityForResult(Intent.createChooser(i, "Image Chooser"), REQUEST_CODE);

        Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
        captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);

        Intent Photo = new Intent(Intent.ACTION_PICK,
                android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

        Intent chooserIntent = Intent.createChooser(Photo, "Image Chooser");
        chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Parcelable[]{captureIntent});

        startActivityForResult(chooserIntent, 99);
    }

 /**
     * Android API < 21(Android 5.0)版本的回调处理
     * @param resultCode
     *         选取文件或拍照的返回码
     * @param data
     *         选取文件或拍照的返回结果
     */
    private void chooseBelow(int resultCode, Intent data) {
        Log.e("WangJ", "返回调用方法--chooseBelow");

        if (RESULT_OK == resultCode) {
            updatePhotos();

            if (data != null) {
                // 这里是针对文件路径处理
                Uri uri = data.getData();
                if (uri != null) {
                    Log.e("WangJ", "系统返回URI：" + uri.toString());
                    mUploadCallbackBelow.onReceiveValue(uri);
                } else {
                    mUploadCallbackBelow.onReceiveValue(null);
                }
            } else {
                // 以指定图像存储路径的方式调起相机，成功后返回data为空
                Log.e("WangJ", "自定义结果：" + imageUri.toString());
                mUploadCallbackBelow.onReceiveValue(imageUri);
            }
        } else {
            mUploadCallbackBelow.onReceiveValue(null);
        }
        mUploadCallbackBelow = null;
    }

    /**
     * Android API >= 21(Android 5.0) 版本的回调处理
     * @param resultCode
     *         选取文件或拍照的返回码
     * @param data
     *         选取文件或拍照的返回结果
     */
    private void chooseAbove(int resultCode, Intent data) {
        Log.e("WangJ", "返回调用方法--chooseAbove");

        if (RESULT_OK == resultCode) {
            updatePhotos();

            if (data != null) {
                // 这里是针对从文件中选图片的处理
                Uri[] results;
                Uri uriData = data.getData();
                if (uriData != null) {
                    results = new Uri[]{uriData};
                    for (Uri uri : results) {
                        Log.e("WangJ", "系统返回URI：" + uri.toString());
                    }
                    mUploadCallbackAboveL.onReceiveValue(results);
                } else {
                    mUploadCallbackAboveL.onReceiveValue(null);
                }
            } else {
                Log.e("WangJ", "自定义结果：" + imageUri.toString());
                mUploadCallbackAboveL.onReceiveValue(new Uri[]{imageUri});
            }
        } else {
            mUploadCallbackAboveL.onReceiveValue(null);
        }
        mUploadCallbackAboveL = null;
    }

    private android.webkit.ValueCallback<Uri[]> mUploadCallbackAboveL;
    private android.webkit.ValueCallback<Uri>   mUploadCallbackBelow;

    private void updatePhotos() {
        // 该广播即使多发（即选取照片成功时也发送）也没有关系，只是唤醒系统刷新媒体文件
        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        intent.setData(imageUri);
        sendBroadcast(intent);
    }

这样配置 即可  稳稳当当 过