Android App - ファイルを開くことができないwebview

Question

私は、Webサイトを読み込んだり開いたりするAndroidアプリを作成しました。ブラウザ上ではすべてOKですが、アプリでは画像のアップロードが自分の携帯電話の写真を開いていないので、アップロードする画像を選択することができます。これはどのように解決するのですか？

package com.example.opex.shoutout; 
 

 
import android.content.Intent; 
 
import android.graphics.Bitmap; 
 
import android.net.Uri; 
 
import android.support.v7.app.AppCompatActivity; 
 
import android.os.Bundle; 
 
import android.view.KeyEvent; 
 
import android.view.View; 
 
import android.webkit.WebResourceRequest; 
 
import android.webkit.WebView; 
 
import android.webkit.WebViewClient; 
 
import android.widget.ProgressBar; 
 

 
public class MainActivity extends AppCompatActivity { 
 

 

 
    WebView webView; 
 
    ProgressBar progressBar; 
 

 
    @Override 
 
    protected void onCreate(Bundle savedInstanceState) { 
 
     super.onCreate(savedInstanceState); 
 
     setContentView(R.layout.activity_main); 
 

 
     webView = (WebView) findViewById(R.id.webView); 
 
     progressBar = (ProgressBar) findViewById(R.id.progressBar); 
 

 
     webView.getSettings().setJavaScriptEnabled(true); 
 
     webView.setWebViewClient(new MainActivity.myWebClient()); 
 

 

 
     webView.loadUrl("http://rms.irsglobal.net/mobile/"); 
 

 

 
     webView.setWebViewClient(new WebViewClient(){ 
 
      public boolean shouldOverrideUrlLoading(WebView view, String url) { 
 

 
       String url2="http://rms.irsglobal.net/mobile/"; 
 
       // all links with in ur site will be open inside the webview 
 
       //links that start ur domain example(http://www.example.com/) 
 
       if (url != null && url.startsWith(url2)){ 
 
        return false; 
 
       } 
 
       // all links that points outside the site will be open in a normal android browser 
 
       else { 
 
        view.getContext().startActivity(
 
          new Intent(Intent.ACTION_VIEW, Uri.parse(url))); 
 
        return true; 
 
       } 
 
      } 
 
     }); 
 

 

 

 
    } 
 

 

 
    public class myWebClient extends WebViewClient 
 
    { 
 
     @Override 
 
     public void onPageFinished(WebView view, String url) { 
 
      super.onPageFinished(view, url); 
 
      progressBar.setVisibility(View.GONE); 
 
     } 
 

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

 
     /*@Override 
 
     public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) { 
 
      return super.shouldOverrideUrlLoading(view, request); 
 
     }*/ 
 
    } 
 

 
    @Override 
 
    public boolean onKeyDown(int keyCode, KeyEvent event) { 
 

 
     if(keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()){ 
 
      webView.goBack(); 
 
     } 
 
     return super.onKeyDown(keyCode, event); 
 
    } 
 
}

Answer 1

全作業コード:)

public class MyWb extends Activity { 
/** Called when the activity is first created. */ 

WebView web; 
ProgressBar progressBar; 

private ValueCallback<Uri> mUploadMessage; 
private final static int FILECHOOSER_RESULTCODE=1; 

@Override 
protected void onActivityResult(int requestCode, int resultCode, 
            Intent intent) { 
    if(requestCode==FILECHOOSER_RESULTCODE) 
    { 
    if (null == mUploadMessage) return; 
      Uri result = intent == null || resultCode != RESULT_OK ? null 
        : intent.getData(); 
      mUploadMessage.onReceiveValue(result); 
      mUploadMessage = null; 
    } 
    } 

@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 

    web = (WebView) findViewById(R.id.webview01); 
    progressBar = (ProgressBar) findViewById(R.id.progressBar1); 

    web = new WebView(this); 
    web.getSettings().setJavaScriptEnabled(true); 
    web.loadUrl("http://www.script-tutorials.com/demos/199/index.html"); 
    web.setWebViewClient(new myWebClient()); 
    web.setWebChromeClient(new WebChromeClient() 
    { 
      //The undocumented magic method override 
      //Eclipse will swear at you if you try to put @Override here 
     // For Android 3.0+ 
     public void openFileChooser(ValueCallback<Uri> uploadMsg) { 

      mUploadMessage = uploadMsg; 
      Intent i = new Intent(Intent.ACTION_GET_CONTENT); 
      i.addCategory(Intent.CATEGORY_OPENABLE); 
      i.setType("image/*"); 
      MyWb.this.startActivityForResult(Intent.createChooser(i,"File Chooser"), FILECHOOSER_RESULTCODE); 

      } 

     // For Android 3.0+ 
      public void openFileChooser(ValueCallback uploadMsg, String acceptType) { 
      mUploadMessage = uploadMsg; 
      Intent i = new Intent(Intent.ACTION_GET_CONTENT); 
      i.addCategory(Intent.CATEGORY_OPENABLE); 
      i.setType("*/*"); 
      MyWb.this.startActivityForResult(
      Intent.createChooser(i, "File Browser"), 
      FILECHOOSER_RESULTCODE); 
      } 

     //For Android 4.1 
      public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture){ 
       mUploadMessage = uploadMsg; 
       Intent i = new Intent(Intent.ACTION_GET_CONTENT); 
       i.addCategory(Intent.CATEGORY_OPENABLE); 
       i.setType("image/*"); 
       MyWb.this.startActivityForResult(Intent.createChooser(i, "File Chooser"), MyWb.FILECHOOSER_RESULTCODE); 

      } 

    }); 


    setContentView(web); 


} 

public class myWebClient extends WebViewClient 
{ 
    @Override 
    public void onPageStarted(WebView view, String url, Bitmap favicon) { 
     // TODO Auto-generated method stub 
     super.onPageStarted(view, url, favicon); 
    } 

    @Override 
    public boolean shouldOverrideUrlLoading(WebView view, String url) { 
     // TODO Auto-generated method stub 

     view.loadUrl(url); 
     return true; 

    } 

    @Override 
    public void onPageFinished(WebView view, String url) { 
     // TODO Auto-generated method stub 
     super.onPageFinished(view, url); 

     progressBar.setVisibility(View.GONE); 
    } 
} 

//flipscreen not loading again 
@Override 
public void onConfigurationChanged(Configuration newConfig){   
    super.onConfigurationChanged(newConfig); 
} 

// To handle "Back" key press event for WebView to go back to previous screen. 
/*@Override 
public boolean onKeyDown(int keyCode, KeyEvent event) 
{ 
    if ((keyCode == KeyEvent.KEYCODE_BACK) && web.canGoBack()) { 
     web.goBack(); 
     return true; 
    } 
    return super.onKeyDown(keyCode, event); 
}*/ 
}