2017-06-15 101 views
0

我的問題是,我想內部頁改變爲外部網頁(網頁流量)如何內部頁改變爲外部網頁(網頁流量)

這是我的MainActivity的代碼

package com.momo.yoyo.lolo; 
.... 
public class MainActivity extends AppCompatActivity implements View.OnClickListener, DownloadListener, IabBroadcastReceiver.IabBroadcastListener { 

    /* URL saved to be loaded after fb login */ 
    private static String target_url, target_url_prefix; 
    private Context mContext; 
    private WebView mWebview, mWebviewPop; 
    private ValueCallback<Uri> mUploadMessage; 
    public ValueCallback<Uri[]> uploadMessage; 
    private static final int FILE_CHOOSER_RESULT_CODE = 1; 
    private static final int REQUEST_SELECT_FILE = 2; 
    private FrameLayout mContainer; 
    private ImageView mImageViewSplash; 
    private ImageView mBack; 
    private ImageView mForward; 
    private ImageView mBilling; 
    private boolean show_content = true, showToolBar = true; 

    private AdView mAdView; 
    private String urlData, currentUrl, contentDisposition, mimeType; 
    private AdMob admob; 

    //PAYMENT 
    IabHelper mHelper; 
    // Provides purchase notification while this app is running 
    IabBroadcastReceiver mBroadcastReceiver; 

    private String ITEM_SKU = ""; 
    private boolean isPurchased = false; 

    //DATA FOR GEOLOCAION REQUEST 
    String geoLocationOrigin; 
    GeolocationPermissions.Callback geoLocationCallback; 

    protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.content_main); 
    checkURL(getIntent()); 
    initPayment(); 
    initComponents(); 
    initBrowser(savedInstanceState); 

    if (savedInstanceState != null) { 
     showContent(); 
    } else { 
     new Handler().postDelayed(new Runnable() { 
      @Override 
      public void run() { 
       showContent(); 
      } 
     }, 5000); 
    } 
} 
private void checkURL(Intent intent) { 
    if (intent != null) { 
     if ("text/plain".equals(intent.getType()) && !TextUtils.isEmpty(intent.getStringExtra(Intent.EXTRA_TEXT))) { 
      target_url = intent.getStringExtra(Intent.EXTRA_TEXT); 
      target_url_prefix = Uri.parse(target_url).getHost(); 
      currentUrl = target_url; 
      return; 
     } 
    } 

    target_url = getString(R.string.target_url); 

    if (TextUtils.isEmpty(target_url)) { 
     target_url = "file:///android_asset/index.html"; 
     target_url_prefix = "android_asset"; 
    } else { 
     target_url_prefix = Uri.parse(target_url).getHost(); 
    } 

    currentUrl = target_url; 

    if (mWebview != null) { 
     if (mWebviewPop != null) { 
      mWebviewPop.setVisibility(View.GONE); 
      mContainer.removeView(mWebviewPop); 
      mWebviewPop = null; 
     } 
     mWebview.setVisibility(View.VISIBLE); 
    } 
} 

@Override 
protected void onResume() { 
    super.onResume(); 
    Zale.activityResumed(); 
    hideStatusBar(); 
    checkURL(getIntent()); 
} 

@Override 
protected void onPause() { 
    super.onPause(); 
    Zale.activityPaused(); 
} 

@Override 
public void onConfigurationChanged(Configuration newConfig) { 
    super.onConfigurationChanged(newConfig); 
} 

@Override 
protected void onSaveInstanceState(Bundle outState) { 
    super.onSaveInstanceState(outState); 
    mWebview.saveState(outState); 
} 

private void removeAds() { 
    mAdView.setVisibility(View.GONE); 
    if (admob != null) { 
     admob.stopRepeatingTask(); 
    } 
    mBilling.setVisibility(View.GONE); 
} 

private void initPayment() { 
    mBilling = (ImageView)findViewById(R.id.billing); 
    isPurchased = Pref.getValue(this, ITEM_SKU, false); 

    ITEM_SKU = getString(R.string.item_sku); 
    String base64EncodedPublicKey = getString(R.string.public_key); 
    if (!TextUtils.isEmpty(ITEM_SKU) && !TextUtils.isEmpty(base64EncodedPublicKey)) { 
     mHelper = new IabHelper(this, base64EncodedPublicKey); 
     mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() { 
      @Override 
      public void onIabSetupFinished(IabResult result) { 
       if (result.isFailure()) { 
        Log.v("Purches", "isFailure"); 
       } else { 
        mBroadcastReceiver = new IabBroadcastReceiver(MainActivity.this); 
        IntentFilter broadcastFilter = new IntentFilter(IabBroadcastReceiver.ACTION); 
        registerReceiver(mBroadcastReceiver, broadcastFilter); 
        if (mHelper != null) { 
         mHelper.queryInventoryAsync(mGotInventoryListener); 
        } 
       } 
      } 
     }); 
    } else { 
     mBilling.setVisibility(View.GONE); 
    } 
} 

IabHelper.QueryInventoryFinishedListener mGotInventoryListener = new IabHelper.QueryInventoryFinishedListener() { 
    public void onQueryInventoryFinished(IabResult result, Inventory inventory) { 
     // Have we been disposed of in the meantime? If so, quit. 
     if (mHelper == null) return; 

     // Is it a failure? 
     if (result.isFailure()) { 
      return; 
     } 

     // Do we have the premium upgrade? 
     Purchase premiumPurchase = inventory.getPurchase(ITEM_SKU); 
     isPurchased = (premiumPurchase != null); 
     Pref.setValue(MainActivity.this, ITEM_SKU, isPurchased); 
     if (isPurchased) { 
      removeAds(); 
     } 
    } 
}; 

IabHelper.OnIabPurchaseFinishedListener mPurchaseFinishedListener = new IabHelper.OnIabPurchaseFinishedListener() { 
    @Override 
    public void onIabPurchaseFinished(IabResult result, Purchase info) { 
     if (result.isSuccess()) { 
      Pref.setValue(MainActivity.this, ITEM_SKU, true); 
      removeAds(); 
     } 
    } 
}; 

private void initComponents() { 
    mContext = this.getApplicationContext(); 
    mImageViewSplash = (ImageView) findViewById(R.id.image_splash); 
    mAdView = (AdView) findViewById(R.id.adView); 
    if (isPurchased) { 
     mAdView.setVisibility(View.GONE); 
    } 

    if (TextUtils.isEmpty(getString(R.string.toolbar))) { 
     showToolBar = false; 
    } 

    if (showToolBar) { 
     mBack = (ImageView) findViewById(R.id.back); 
     mForward = (ImageView) findViewById(R.id.forward); 
     ImageView mRefresh = (ImageView) findViewById(R.id.refresh); 

     mBack.setOnClickListener(this); 
     mForward.setOnClickListener(this); 
     mRefresh.setOnClickListener(this); 
     //if app isn't buy 
     if (!isPurchased) { 
      mBilling.setOnClickListener(this); 
     } else { 
      mBilling.setVisibility(View.GONE); 
     } 
    } else { 
     LinearLayout llToolbarContainer = (LinearLayout) findViewById(R.id.toolbar_footer); 
     if (llToolbarContainer != null) { 
      llToolbarContainer.setVisibility(View.GONE); 
      RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) mAdView.getLayoutParams(); 
      lp.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE); 
     } 
    } 
} 

private void hideStatusBar() { 
    if (!TextUtils.isEmpty(getString(R.string.hide_status_bar))) { 
     if (Build.VERSION.SDK_INT < 16) { 
      getWindow().setFlags(
        WindowManager.LayoutParams.FLAG_FULLSCREEN, 
        WindowManager.LayoutParams.FLAG_FULLSCREEN); 
     } else { 
      View decorView = getWindow().getDecorView(); 
      int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN; 
      decorView.setSystemUiVisibility(uiOptions); 
      ActionBar actionBar = getActionBar(); 
      if (actionBar != null) { 
       actionBar.hide(); 
      } 
     } 
    } 
} 

public void showContent() { 
    if (show_content) { 
     PermissionUtil.checkPermissions(this, new String[]{android.Manifest.permission.RECORD_AUDIO, 
       android.Manifest.permission.CALL_PHONE, 
       android.Manifest.permission.SEND_SMS, 
       android.Manifest.permission.ACCESS_NETWORK_STATE, 
       android.Manifest.permission.WRITE_EXTERNAL_STORAGE, 
       android.Manifest.permission.BLUETOOTH, 
       android.Manifest.permission.ACCESS_FINE_LOCATION, 
       android.Manifest.permission.ACCESS_COARSE_LOCATION, 
       android.Manifest.permission.INTERNET 
     }); 

     show_content = false; 
     if (!isPurchased) { 
      admob = new AdMob(this, mAdView); 
      admob.requestAdMob(); 
     } 
     mImageViewSplash.setVisibility(View.GONE); 
     mContainer.setVisibility(View.VISIBLE); 
     ProgressDialogHelper.dismissProgress(); 
    } 
} 

@SuppressLint({"AddJavascriptInterface", "SetJavaScriptEnabled"}) 
private void initBrowser(Bundle savedInstanceState) { 
    CookieManager cookieManager = CookieManager.getInstance(); 
    cookieManager.setAcceptCookie(true); 
    mWebview = (WebView) findViewById(R.id.webview); 
    mContainer = (FrameLayout) findViewById(R.id.webview_frame); 
    WebSettings webSettings = mWebview.getSettings(); 
    webSettings.setJavaScriptEnabled(true); 
    webSettings.setAppCacheEnabled(true); 
    webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NORMAL); 
    webSettings.setJavaScriptCanOpenWindowsAutomatically(true); 
    webSettings.setSupportMultipleWindows(true); 
    webSettings.setGeolocationEnabled(true); 
    webSettings.setDomStorageEnabled(true); 
    webSettings.setDatabaseEnabled(true); 
    webSettings.setGeolocationEnabled(true); 
    webSettings.setGeolocationDatabasePath(getFilesDir().getPath()); 

    webSettings.setLoadWithOverviewMode(true); 
    webSettings.setAllowFileAccess(true); 
    webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); 
    int a = WebSettings.TextSize.SMALLER.ordinal(); 
    mWebview.setWebViewClient(new UriWebViewClient()); 
    mWebview.setWebChromeClient(new UriChromeClient()); 
    mWebview.setDownloadListener(this); 
    mWebview.addJavascriptInterface(new WebAppInterface(this, ITEM_SKU, mWebview), "android"); 

    if (Build.VERSION.SDK_INT >= 19) { 
     mWebview.setLayerType(View.LAYER_TYPE_HARDWARE, null); 
    } else if(Build.VERSION.SDK_INT >=15 && Build.VERSION.SDK_INT < 19) { 
     mWebview.setLayerType(View.LAYER_TYPE_SOFTWARE, null); 
    } 

    if (!TextUtils.isEmpty(getString(R.string.zoom))) { 
     mWebview.getSettings().setSupportZoom(true); 
     mWebview.getSettings().setBuiltInZoomControls(true); 
     mWebview.getSettings().setDisplayZoomControls(false); 
    } 
    if (savedInstanceState != null) { 
     mWebview.restoreState(savedInstanceState); 
    } else { 
     mWebview.loadUrl(target_url); 
    } 
} 

@Override 
public void onClick(View view) { 
    switch (view.getId()) { 
     case R.id.back: 
      if (mWebview.canGoBack()) { 
       mWebview.goBack(); 
      } 
      break; 
     case R.id.forward: 
      if (mWebview.canGoForward()) { 
       mWebview.goForward(); 
      } 
      break; 
     case R.id.refresh: 
      mWebview.loadUrl(target_url); 
      if (!show_content) { 
       ProgressDialogHelper.showProgress(MainActivity.this); 
      } 
      break; 
     case R.id.billing: 
      if (mHelper != null) { 
       mHelper.launchPurchaseFlow(this, ITEM_SKU, 10001, mPurchaseFinishedListener, ""); 
      } 
      break; 
    } 
} 

@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
    if (requestCode == FILE_CHOOSER_RESULT_CODE || requestCode == REQUEST_SELECT_FILE) { 
     if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { 
      if (requestCode == REQUEST_SELECT_FILE) { 
       if (uploadMessage == null) 
        return; 

       Uri uri[] = null; 
       if (data != null) { 
        if (data.getClipData() != null) { 
         uri = new Uri[data.getClipData().getItemCount()]; 
         for (int i = 0; i < data.getClipData().getItemCount(); i++) { 
          uri[i] = data.getClipData().getItemAt(i).getUri(); 
         } 
        } else { 
         uri = WebChromeClient.FileChooserParams.parseResult(resultCode, data); 
        } 
       } 

       uploadMessage.onReceiveValue(uri); 
       uploadMessage = null; 
      } 
     } else if (requestCode == FILE_CHOOSER_RESULT_CODE) { 
      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 = data == null || resultCode != MainActivity.RESULT_OK ? null : data.getData(); 
      mUploadMessage.onReceiveValue(result); 
      mUploadMessage = null; 
     } else { 
      Toast.makeText(MainActivity.this.getApplicationContext(), R.string.failed_to_upload_image, Toast.LENGTH_LONG).show(); 
     } 
    } else { 
     if (mHelper != null) { 
      if (!mHelper.handleActivityResult(requestCode, resultCode, data)) { 
       super.onActivityResult(requestCode, resultCode, data); 
      } 
     } else { 
      super.onActivityResult(requestCode, resultCode, data); 
     } 
    } 
} 

@Override 
public void receivedBroadcast() { 
    try { 
     if (mHelper != null) { 
      mHelper.queryInventoryAsync(mGotInventoryListener); 
     } 
    }catch (Exception e) { 
     e.printStackTrace(); 
    } 
} 

@Override 
protected void onDestroy() { 
    super.onDestroy(); 
    if (mWebview != null) { 
     mWebview.destroy(); 
    } 
    if (mWebviewPop != null) { 
     mWebviewPop.destroy(); 
    } 
    if (admob != null) { 
     admob.stopRepeatingTask(); 
    } 
    if (mBroadcastReceiver != null) { 
     unregisterReceiver(mBroadcastReceiver); 
    } 
    if (mHelper != null) { 
     try { 
      mHelper.dispose(); 
     }catch (Exception ex) { 
      ex.printStackTrace(); 
     } 
     mHelper = null; 
    } 
} 

@Override 
public void onBackPressed() { 
    if (mWebview.canGoBack()) { 
     mWebview.goBack(); 
    } else { 
     super.onBackPressed(); 
    } 
} 

//This method will be called when the user will tap on allow or deny 
@Override 
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { 
    //Checking the request code of our request 
    if (requestCode == PermissionUtil.MY_PERMISSIONS_REQUEST_CALL) { 
     //If permission is granted 
     if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { 
      UrlHander.call(MainActivity.this, urlData); 
     } 
    } else if (requestCode == PermissionUtil.MY_PERMISSIONS_REQUEST_SMS) { 
     if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { 
      UrlHander.sms(MainActivity.this, urlData); 
     } 
    } else if (requestCode == PermissionUtil.MY_PERMISSIONS_REQUEST_DOWNLOAD) { 
     UrlHander.download(MainActivity.this, urlData, contentDisposition, mimeType); 
    } else if (requestCode == PermissionUtil.MY_PERMISSIONS_REQUEST_GEOLOCATION) { 
     if (geoLocationCallback != null) { 
      geoLocationCallback.invoke(geoLocationOrigin, true, false); 
     } 
    } 
} 

@Override 
public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimeType, long l) { 
    this.contentDisposition = contentDisposition; 
    this.mimeType = mimeType; 
    UrlHander.downladLink(this, url, contentDisposition, mimeType); 
} 

private void setToolbarButtonColor() { 
    if (showToolBar) { 
     if (mWebview.canGoBack()) { 
      mBack.setColorFilter(ContextCompat.getColor(this, R.color.colorPrimary)); 
     } else { 
      mBack.setColorFilter(ContextCompat.getColor(this, R.color.gray)); 
     } 
     if (mWebview.canGoForward()) { 
      mForward.setColorFilter(ContextCompat.getColor(this, R.color.colorPrimary)); 
     } else { 
      mForward.setColorFilter(ContextCompat.getColor(this, R.color.gray)); 
     } 
    } 
} 


private class UriWebViewClient extends WebViewClient { 
    @Override 
    public boolean shouldOverrideUrlLoading(WebView view, String url) { 
     String host = Uri.parse(url).getHost(); 
     urlData = url; 
     if (target_url_prefix.equals(host)) { 
      if (mWebviewPop != null) { 
       mWebviewPop.setVisibility(View.GONE); 
       mContainer.removeView(mWebviewPop); 
       mWebviewPop = null; 
      } 
      return false; 
     } 

     boolean result = UrlHander.checkUrl(MainActivity.this, url); 
     if (result) { 
      ProgressDialogHelper.dismissProgress(); 
     } else { 
      currentUrl = url; 
      if (!show_content) { 
       ProgressDialogHelper.showProgress(MainActivity.this); 
      } 
     } 
     return result; 
    } 

    @Override 
    public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) { 
     if (!NetworkHandler.isNetworkAvailable(view.getContext())) { 
      view.loadUrl("file:///android_asset/NoInternet.html"); 
     } 
     hideStatusBar(); 
     ProgressDialogHelper.dismissProgress(); 
    } 

    @Override 
    public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) { 
     super.onReceivedError(view, errorCode, description, failingUrl); 
     if (!NetworkHandler.isNetworkAvailable(view.getContext())) { 
      view.loadUrl("file:///android_asset/NoInternet.html"); 
     } 
     hideStatusBar(); 
     ProgressDialogHelper.dismissProgress(); 
    } 

    @Override 
    public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) { 
     super.onReceivedHttpError(view, request, errorResponse); 
     if (!NetworkHandler.isNetworkAvailable(view.getContext())) { 
      view.loadUrl("file:///android_asset/NoInternet.html"); 
     } 
     hideStatusBar(); 
     ProgressDialogHelper.dismissProgress(); 
    } 

    @Override 
    public void onPageFinished(WebView view, String url) { 
     super.onPageFinished(view, url); 
     showContent(); 
     setToolbarButtonColor(); 
     hideStatusBar(); 
     ProgressDialogHelper.dismissProgress(); 
    } 

    @Override 
    public void onPageCommitVisible(WebView view, String url) { 
     super.onPageCommitVisible(view, url); 
     setToolbarButtonColor(); 
     hideStatusBar(); 
     ProgressDialogHelper.dismissProgress(); 
    } 
} 

class UriChromeClient extends WebChromeClient { 

    @SuppressLint({"AddJavascriptInterface", "SetJavaScriptEnabled"}) 
    @Override 
    public boolean onCreateWindow(WebView view, boolean isDialog, 
            boolean isUserGesture, Message resultMsg) { 
     mWebviewPop = new WebView(mContext); 
     mWebviewPop.setVerticalScrollBarEnabled(false); 
     mWebviewPop.setHorizontalScrollBarEnabled(false); 
     mWebviewPop.setWebViewClient(new UriWebViewClient()); 
     mWebviewPop.getSettings().setJavaScriptEnabled(true); 
     mWebviewPop.getSettings().setSavePassword(false); 
     mWebviewPop.getSettings().setAppCacheEnabled(true); 
     mWebviewPop.getSettings().setJavaScriptCanOpenWindowsAutomatically(true); 
     mWebviewPop.getSettings().setSupportMultipleWindows(true); 
     mWebviewPop.getSettings().setGeolocationEnabled(true); 
     mWebviewPop.getSettings().setDomStorageEnabled(true); 
     mWebviewPop.getSettings().setDatabaseEnabled(true); 
     mWebviewPop.getSettings().setGeolocationEnabled(true); 
     mWebviewPop.getSettings().setGeolocationDatabasePath(getFilesDir().getPath()); 
     mWebviewPop.addJavascriptInterface(new WebAppInterface(MainActivity.this, ITEM_SKU, mWebviewPop), "android"); 
     mWebviewPop.getSettings().setLoadWithOverviewMode(true); 
     mWebviewPop.getSettings().setAllowFileAccess(true); 
     mWebviewPop.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); 
     mWebviewPop.setLayoutParams(new FrameLayout.LayoutParams(
       ViewGroup.LayoutParams.MATCH_PARENT, 
       ViewGroup.LayoutParams.MATCH_PARENT)); 
     mContainer.addView(mWebviewPop); 
     mWebviewPop.setDownloadListener(MainActivity.this); 

     if (Build.VERSION.SDK_INT >= 19) { 
      mWebviewPop.setLayerType(View.LAYER_TYPE_HARDWARE, null); 
     } else if(Build.VERSION.SDK_INT >=15 && Build.VERSION.SDK_INT < 19) { 
      mWebviewPop.setLayerType(View.LAYER_TYPE_SOFTWARE, null); 
     } 

     WebView.WebViewTransport transport = (WebView.WebViewTransport) resultMsg.obj; 
     transport.setWebView(mWebviewPop); 
     resultMsg.sendToTarget(); 
     return true; 
    } 

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

    } 

    @Override 
    public void onCloseWindow(WebView window) { 
     Log.v("TEST", "onCloseWindow"); 
    } 

    @Override 
    public void onGeolocationPermissionsShowPrompt(final String origin, 
                final GeolocationPermissions.Callback callback) { 
     // Always grant permission since the app itself requires location 
     // permission and the user has therefore already granted it 
     MainActivity.this.geoLocationOrigin = origin; 
     MainActivity.this.geoLocationCallback = callback; 
     PermissionUtil.geoLocationPermission(MainActivity.this, origin, callback); 
    } 

    // openFileChooser for Android 3.0+ 
    protected void openFileChooser(ValueCallback uploadMsg, String acceptType) { 
     mUploadMessage = uploadMsg; 
     List<Intent> cameraIntents = getCameraIntents(); 
     Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
     intent.addCategory(Intent.CATEGORY_OPENABLE); 
     intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true); 
     intent.setType("image/*"); 
     try { 
      Intent chooserIntent = Intent.createChooser(intent, getString(R.string.file_browser)); 
      chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[]{})); 
      startActivityForResult(chooserIntent, FILE_CHOOSER_RESULT_CODE); 
     } catch (ActivityNotFoundException e) { 
      Toast.makeText(MainActivity.this.getApplicationContext(), 
        R.string.cannot_open_file_chooser, 
        Toast.LENGTH_LONG).show(); 
     } 
    } 

    // For Lollipop 5.0+ Devices 
    @TargetApi(Build.VERSION_CODES.LOLLIPOP) 
    public boolean onShowFileChooser(WebView mWebView, ValueCallback<Uri[]> filePathCallback, 
            WebChromeClient.FileChooserParams fileChooserParams) 
    { 
     if (mUploadMessage != null) { 
      uploadMessage.onReceiveValue(null); 
      uploadMessage = null; 
     } 

     uploadMessage = filePathCallback; 

     List<Intent> cameraIntents = getCameraIntents(); 
     Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
     intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true); 
     intent.addCategory(Intent.CATEGORY_OPENABLE); 
     intent.setType("image/*"); 

     try { 
      Intent chooserIntent = Intent.createChooser(intent, getString(R.string.file_browser)); 
      chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[]{})); 
      startActivityForResult(chooserIntent, REQUEST_SELECT_FILE); 
     } catch (ActivityNotFoundException e) { 
      uploadMessage = null; 
      Toast.makeText(MainActivity.this.getApplicationContext(), 
        R.string.cannot_open_file_chooser, 
        Toast.LENGTH_LONG).show(); 
      return false; 
     } 
     return true; 
    } 

    // openFileChooser for Android < 3.0 
    public void openFileChooser(ValueCallback<Uri> uploadMsg) { 
     mUploadMessage = uploadMsg; 
     List<Intent> cameraIntents = getCameraIntents(); 
     Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
     intent.addCategory(Intent.CATEGORY_OPENABLE); 
     intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true); 
     intent.setType("image/*"); 
     try { 
      Intent chooserIntent = Intent.createChooser(intent, getString(R.string.file_browser)); 
      chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[]{})); 
      startActivityForResult(chooserIntent, FILE_CHOOSER_RESULT_CODE); 
     } catch (ActivityNotFoundException e) { 
      Toast.makeText(MainActivity.this.getApplicationContext(), 
        R.string.cannot_open_file_chooser, 
        Toast.LENGTH_LONG).show(); 
     } 
    } 
    //For Android 4.1 only 
    protected void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) 
    { 
     mUploadMessage = uploadMsg; 
     List<Intent> cameraIntents = getCameraIntents(); 
     Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
     intent.addCategory(Intent.CATEGORY_OPENABLE); 
     intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true); 
     intent.setType("image/*"); 
     try { 
      Intent chooserIntent = Intent.createChooser(intent, getString(R.string.file_browser)); 
      chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[]{})); 
      startActivityForResult(chooserIntent, FILE_CHOOSER_RESULT_CODE); 
     } catch (ActivityNotFoundException e) { 
      Toast.makeText(MainActivity.this.getApplicationContext(), 
        R.string.cannot_open_file_chooser, 
        Toast.LENGTH_LONG).show(); 
     } 
     } 
    } 

    public List<Intent> getCameraIntents() { 
     final List<Intent> cameraIntents = new ArrayList<Intent>(); 
     final Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); 
     final PackageManager packageManager = getPackageManager(); 
     final List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0); 
     for(ResolveInfo res : listCam) { 
      final String packageName = res.activityInfo.packageName; 
      final Intent i = new Intent(captureIntent); 
      i.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name)); 
      i.setPackage(packageName); 
      cameraIntents.add(i); 
     } 
     return cameraIntents; 
    } 
} 

回答

0

您可以嘗試更換:

target_url = "https://YOUR-WEB.com";