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android webview html file 사용

Posted by Albert 3110Day 17Hour 42Min 1Sec ago [2016-10-13]

전역변수

private ValueCallback<Uri> filePathCallbackNormal;

private ValueCallback<Uri[]> filePathCallbackLollipop;

private Uri mCapturedImageURI;

OnCreate WebChromeSetting 

// web view 셋팅
        webView = (WebView) findViewById(R.id.webView);
        webView.getSettings().setJavaScriptEnabled(true);
        mWebViewInterface = new WebViewInterface(MainActivity.this, webView); //JavascriptInterface 객체화
        webView.addJavascriptInterface(mWebViewInterface, "Android"); //웹뷰에 JavascriptInterface를 연결
        // 현재 웹뷰에서 처리하도록...
        webView.setWebViewClient(new EsavingWebViewClient());
 
        // 크롬 클라이언트 생성
        webView.setWebChromeClient(new WebChromeClient() {
            // For Android < 3.0
            public void openFileChooser(ValueCallback<Uri> uploadMsg) {
                openFileChooser(uploadMsg, "");
            }
 
            // For Android 3.0+
            public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
                filePathCallbackNormal = uploadMsg;
                Intent i = new Intent(Intent.ACTION_GET_CONTENT);
                i.addCategory(Intent.CATEGORY_OPENABLE);
                i.setType("image/*");
                startActivityForResult(Intent.createChooser(i, "File Chooser"), ESavingConstants.FILECHOOSER_NORMAL_REQ_CODE);
            }
 
            // For Android 4.1+
            public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
                openFileChooser(uploadMsg, acceptType);
            }
 
 
            // For Android 5.0+
            public boolean onShowFileChooser(
                    WebView webView, ValueCallback<Uri[]> filePathCallback,
                    WebChromeClient.FileChooserParams fileChooserParams) {
                if (filePathCallbackLollipop != null) {
//                    filePathCallbackLollipop.onReceiveValue(null);
                    filePathCallbackLollipop = null;
                }
                filePathCallbackLollipop = filePathCallback;
 
 
                // Create AndroidExampleFolder at sdcard
                File imageStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "AndroidExampleFolder");
                if (!imageStorageDir.exists()) {
                    // Create AndroidExampleFolder at sdcard
                    imageStorageDir.mkdirs();
                }
 
                // Create camera captured image file path and name
                File file = new File(imageStorageDir + File.separator + "IMG_" + String.valueOf(System.currentTimeMillis()) + ".jpg");
                mCapturedImageURI = Uri.fromFile(file);
 
                Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageURI);
 
                Intent i = new Intent(Intent.ACTION_GET_CONTENT);
                i.addCategory(Intent.CATEGORY_OPENABLE);
                i.setType("image/*");
 
                // Create file chooser intent
                Intent chooserIntent = Intent.createChooser(i, "Image Chooser");
                // Set camera intent to file chooser
                chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Parcelable[]{captureIntent});
 
                // On select image call onActivityResult method of activity
                startActivityForResult(chooserIntent, ESavingConstants.FILECHOOSER_LOLLIPOP_REQ_CODE);
                return true;
 
            }
 
        });

onActivityResult 설정

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == ESavingConstants.FILECHOOSER_NORMAL_REQ_CODE) {
            if (filePathCallbackNormal == null) return;
            Uri result = (data == null || resultCode != RESULT_OK) ? null : data.getData();
            filePathCallbackNormal.onReceiveValue(result);
            filePathCallbackNormal = null;
        } else if (requestCode == ESavingConstants.FILECHOOSER_LOLLIPOP_REQ_CODE) {
            Uri[] result = new Uri[0];
            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
                if(resultCode == RESULT_OK){
                    result = (data == null) ? new Uri[]{mCapturedImageURI} : WebChromeClient.FileChooserParams.parseResult(resultCode, data);
                }
                filePathCallbackLollipop.onReceiveValue(result);
            }
        }
    }

Mainfest 퍼미션 설정

<!-- 5.0 버전 파일업로드 퍼미션 -->
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
    <!-- 카메라 퍼미션 -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-feature android:name="android.hardware.camera" />
 
    <!-- 외부 저장소 사용 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

c

ESavingConstants.FILECHOOSER_NORMAL_REQ_CODE, ESavingConstants.FILECHOOSER_LOLLIPOP_REQ_CODE 이두 함수는 Int 타입으로서 1,2 값으로 대체하면 된다.

출처: http://cofs.tistory.com/182

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