Webview dengan akses kamera dan upload file

Maaf Master, jadi bagaimana agar <input type='file' accept='image/*' multiple='multiple' capture='camera'></input> bisa berfungsi di android

<pre> package com.example.wilson.absensineu;

import android.annotation.TargetApi; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.pm.PackageManager; import android.net.Uri; import android.nfc.Tag; import android.os.Build; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.View; import android.view.Menu; import android.view.MenuItem; import android.webkit.PermissionRequest; import android.webkit.ValueCallback; import android.webkit.WebChromeClient; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Toast; import android.Manifest;

import java.util.ArrayList; import java.util.List;

public class MainActivity extends AppCompatActivity {

static WebView webView;
private ValueCallback<Uri> mUploadMessage;
public ValueCallback<Uri[]> uploadMessage;
public static final int REQUEST_SELECT_FILE = 100;
private final static int FILECHOOSER_RESULTCODE = 2888;
public static final int MY_PERMISSIONS_REQUEST_CAMERA = 100;
public static final String ALLOW_KEY = "ALLOWED";
public static final String CAMERA_PREF = "camera_pref";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    webView = (WebView) this.findViewById(R.id.WebView1);
    WebSettings mWebSettings = webView.getSettings();
    mWebSettings.setJavaScriptEnabled(true);
    mWebSettings.setSaveFormData(true);
    mWebSettings.setSupportZoom(true);
    mWebSettings.setBuiltInZoomControls(true);
    mWebSettings.setAllowFileAccess(true);
    mWebSettings.setAllowFileAccess(true);
    mWebSettings.setDomStorageEnabled(true);
    mWebSettings.setAllowUniversalAccessFromFileURLs(true);
    mWebSettings.setAllowFileAccessFromFileURLs(true);
    mWebSettings.setJavaScriptCanOpenWindowsAutomatically(true);


    webView.setWebViewClient(new WebViewClient(){

        @Override
        public void onPageFinished(WebView view, String url) {
            //hide loading image
            findViewById(R.id.imageView2).setVisibility(View.GONE);
            findViewById(R.id.progressBarsatu).setVisibility(View.GONE);
            //show webview
            findViewById(R.id.WebView1).setVisibility(View.VISIBLE);
        }

    });
    webView.setWebChromeClient(new WebChromeClient(){

        @Override
        public void onPermissionRequest(final PermissionRequest request){

            if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
                request.grant(request.getResources());
            }

        }
        protected void openFileChooser(ValueCallback uploadMsg, String acceptType)
        {
            mUploadMessage = uploadMsg;
            Intent i = new Intent(Intent.ACTION_GET_CONTENT);
            i.addCategory(Intent.CATEGORY_OPENABLE);
            i.setType("*/*");
            startActivityForResult(Intent.createChooser(i, "File Browser"), FILECHOOSER_RESULTCODE);
        }

        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, WebChromeClient.FileChooserParams fileChooserParams)
        {
            if (uploadMessage != null) {
                uploadMessage.onReceiveValue(null);
                uploadMessage = null;
            }

            uploadMessage = filePathCallback;

            Intent intent = fileChooserParams.createIntent();
            try
            {
                startActivityForResult(intent, REQUEST_SELECT_FILE);
            } catch (ActivityNotFoundException e)
            {
                uploadMessage = null;
                Toast.makeText(MainActivity.this.getApplicationContext(), "Cannot Open File Chooser", Toast.LENGTH_LONG).show();
                return false;
            }
            return true;
        }

        protected void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture)
        {
            mUploadMessage = uploadMsg;
            Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
            intent.addCategory(Intent.CATEGORY_OPENABLE);
            intent.setType("*/*");
            startActivityForResult(Intent.createChooser(intent, "File Browser"), FILECHOOSER_RESULTCODE);
        }

        protected void openFileChooser(ValueCallback<Uri> uploadMsg)
        {
            mUploadMessage = uploadMsg;
            Intent i = new Intent(Intent.ACTION_GET_CONTENT);
            i.addCategory(Intent.CATEGORY_OPENABLE);
            i.setType("*/*");
            startActivityForResult(Intent.createChooser(i, "File Chooser"), FILECHOOSER_RESULTCODE);
        }

    });
    webView.loadUrl("http://192.168.173.1/absen");

}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent)
{
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
    {
        if (requestCode == REQUEST_SELECT_FILE)
        {
            if (uploadMessage == null)
                return;
            uploadMessage.onReceiveValue(WebChromeClient.FileChooserParams.parseResult(resultCode, intent));
            uploadMessage = null;
        }
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

        int hasCameraPermission = checkSelfPermission(Manifest.permission.CAMERA);

        List<String> permissions = new ArrayList<String>();

        if (hasCameraPermission != PackageManager.PERMISSION_GRANTED) {
            permissions.add(Manifest.permission.CAMERA);

        }
        if (!permissions.isEmpty()) {
            requestPermissions(permissions.toArray(new String[permissions.size()]), 111);
        }
    }
    else if (requestCode == FILECHOOSER_RESULTCODE)
    {
        if (null == mUploadMessage)
            return;
        // Use MainActivity.RESULT_OK if you're implementing WebView inside Fragment
        // Use RESULT_OK only if you're implementing WebView inside an Activity
        Uri result = intent == null || resultCode != MainActivity.RESULT_OK ? null : intent.getData();
        mUploadMessage.onReceiveValue(result);
        mUploadMessage = null;
    }
    else
        Toast.makeText(MainActivity.this.getApplicationContext(), "Failed to Upload Image", Toast.LENGTH_LONG).show();

}

} </pre>