H 5調androidカメラとアルバム

public class IndexActivity extends AppCompatActivity {

private ValueCallback uploadMessage;
private ValueCallback uploadMessageAboveL;
private final static int FILE_CHOOSER_RESULT_CODE = 10000;
private final static int REQUEST_CODE_CAMERA = 10001;
private WebView mWebview;
private WebSettings mSettings;

private LinearLayout mSelectView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_index);
    mWebview = (WebView) findViewById(R.id.web_view);
    mSelectView = (LinearLayout) findViewById(R.id.select_view);

    initWebView();
}

private void initWebView() {
    //     
    mSettings = mWebview.getSettings();
    mSettings.setDefaultTextEncodingName("utf-8");

    mSettings.setJavaScriptEnabled(true);


    mWebview.setWebViewClient(client);
    //      
    mWebview.setWebChromeClient(chromeClient);

    mWebview.loadUrl("http://webapp.sktap.cn/hjytest/taikang/input/");
}

private WebChromeClient chromeClient = new WebChromeClient() {


    @Override
    public void onProgressChanged(WebView view, int newProgress) {
        super.onProgressChanged(view, newProgress);
    }

    // For Android 3.0+
    public void openFileChooser(ValueCallback uploadMsg) {
        uploadMessage = uploadMsg;
        openImageChooserActivity();

    }

    // For Android 3.0+
    public void openFileChooser(ValueCallback uploadMsg, String acceptType) {
        uploadMessage = uploadMsg;
        openImageChooserActivity();
    }

    //For Android 4.1
    public void openFileChooser(ValueCallback uploadMsg, String acceptType, String capture) {
        uploadMessage = uploadMsg;
        openImageChooserActivity();
    }

    // For Android >= 5.0
    @Override
    public boolean onShowFileChooser(WebView webView, ValueCallback valueCallback, FileChooserParams fileChooserParams) {
        uploadMessageAboveL = valueCallback;
        openImageChooserActivity();
        return true;
    }
};

private void openImageChooserActivity() {
    mSelectView.setVisibility(View.VISIBLE);
}

private String path;

public void chooserForCamera(View v) {
    mSelectView.setVisibility(View.INVISIBLE);
    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    //path        ，                 
    path = getExternalFilesDir(Environment.DIRECTORY_MOVIES) + "/" + System.currentTimeMillis() + ".jpg";
    File file = new File(path);
    Uri imageUri = Uri.fromFile(file);

    intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
    startActivityForResult(intent, REQUEST_CODE_CAMERA);
}

public void chooserForAlbum(View v) {
    mSelectView.setVisibility(View.INVISIBLE);
    Intent i = new Intent(Intent.ACTION_GET_CONTENT);
    i.addCategory(Intent.CATEGORY_OPENABLE);
    i.setType("image/*");
    startActivityForResult(Intent.createChooser(i, "Image Chooser"), FILE_CHOOSER_RESULT_CODE);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == FILE_CHOOSER_RESULT_CODE) {
        if (null == uploadMessage && null == uploadMessageAboveL) return;
        Uri result = data == null || resultCode != RESULT_OK ? null : data.getData();
        if (uploadMessageAboveL != null) {
            onActivityResultAboveL(requestCode, resultCode, data);
        } else if (uploadMessage != null) {
            uploadMessage.onReceiveValue(result);
            uploadMessage = null;
        }
    } else if (requestCode == REQUEST_CODE_CAMERA) {
        if (null == uploadMessage && null == uploadMessageAboveL) return;
        if (uploadMessageAboveL != null) {
            onActivityResultAboveL(requestCode, resultCode, data);
        } else if (uploadMessage != null) {
            File file = new File(path);
            Uri imageUri = Uri.fromFile(file);
            uploadMessage.onReceiveValue(imageUri);
            uploadMessage = null;
        }
    }
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void onActivityResultAboveL(int requestCode, int resultCode, Intent intent) {
    if (requestCode == FILE_CHOOSER_RESULT_CODE && uploadMessageAboveL != null) {
        Uri[] results = null;
        if (resultCode == Activity.RESULT_OK) {
            if (intent != null) {
                String dataString = intent.getDataString();
                ClipData clipData = intent.getClipData();
                if (clipData != null) {
                    results = new Uri[clipData.getItemCount()];
                    for (int i = 0; i < clipData.getItemCount(); i++) {
                        ClipData.Item item = clipData.getItemAt(i);
                        results[i] = item.getUri();
                    }
                }
                if (dataString != null) results = new Uri[]{Uri.parse(dataString)};
            }
        }
        uploadMessageAboveL.onReceiveValue(results);
        uploadMessageAboveL = null;
    } else if (requestCode == REQUEST_CODE_CAMERA && uploadMessageAboveL != null) {
        File file = new File(path);
        Uri imageUri = Uri.fromFile(file);
        Uri[] results = new Uri[]{imageUri};
        uploadMessageAboveL.onReceiveValue(results);
        uploadMessageAboveL = null;
    }
}


private WebViewClient client = new WebViewClient() {
    @Override
    public void onPageFinished(WebView view, String url) {
        super.onPageFinished(view, url);
    }

    @Override
    public void onPageStarted(WebView view, String url, Bitmap favicon) {
        super.onPageStarted(view, url, favicon);
    }

    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
        view.loadUrl(url);
        return true;
    }

    @Override
    public void onReceivedError(WebView view, int errorCode, String description,
                                String failingUrl) {
        super.onReceivedError(view, errorCode, description, failingUrl);

    }
};

}