웹뷰에서 다운로드를 하면 어플이 종료되는이유?
웹뷰에서 다운로드 버튼을 누르면 다운로드가 되려면 코드를 또 따로 뭐 해줘야한다길래
인터넷에있는 코드를 복붙해왔는댕 파일 다운로드만 누르면 에뮬레이터에서 자꾸 어플이 종료됩니당.
제가 안드로이드를 공부하는 학생인지라 뭘 잘못했을까요?
권한은 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
이렇게 줬습니다.
코드는 아래에
import android.app.DownloadManager;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.webkit.CookieManager;
import android.webkit.DownloadListener;
import android.webkit.URLUtil;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.graphics.Bitmap;
import android.widget.Toast;
import java.io.File;
public class MainActivity extends AppCompatActivity {
// Button btn;
// TextView txt;
WebView wv;
ProgressBar progressBar;
String url = "
https://www.naver.com/";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// btn = (Button) findViewById(R.id.button);
// txt = (TextView) findViewById(R.id.editText);
wv = (WebView) findViewById(R.id.webView);
progressBar = (ProgressBar) findViewById(R.id.pgr);
// wv.setWebViewClient(new MyBrowser());
wv.setWebViewClient(new myWebClient());
wv.getSettings().setJavaScriptEnabled(true);
wv.getSettings().setBuiltInZoomControls(true);
wv.getSettings().setDisplayZoomControls(false);
wv.loadUrl(url);
// This will handle downloading. It requires Gingerbread, though
final DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
// This is where downloaded files will be written, using the package name isn't required
// but it's a good way to communicate who owns the directory
final File destinationDir = new File (Environment.getExternalStorageDirectory(), getPackageName());
if (!destinationDir.exists()) {
destinationDir.mkdir(); // Don't forget to make the directory if it's not there
}
wv.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimeType, long contentLength) {
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
request.setMimeType(mimeType);
//------------------------COOKIE!!------------------------
String cookies = CookieManager.getInstance().getCookie(url);
request.addRequestHeader("cookie", cookies);
//------------------------COOKIE!!------------------------
request.addRequestHeader("User-Agent", userAgent);
request.setDescription("Downloading file...");
request.setTitle(URLUtil.guessFileName(url, contentDisposition, mimeType));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, URLUtil.guessFileName(url, contentDisposition, mimeType));
DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getApplicationContext(), "Downloading File", Toast.LENGTH_LONG).show();
}
});
}
public class myWebClient extends WebViewClient{
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
progressBar.setVisibility(View.VISIBLE);
view.loadUrl(url);
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
progressBar.setVisibility(View.GONE);
}
}
}
