分享程序员开发的那些事...
更新时间：2022-11-30 10:48:11
我解决了这个问题.因此，这是自我回答.希望对其他开发人员有帮助.
I solve this problem. So It is self answer. I hope It is helpful other developers.
WebView片段
package kr.nubiz.comn;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.DownloadListener;
import android.webkit.HttpAuthHandler;
import android.webkit.ValueCallback;
import android.webkit.WebChromeClient;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.ImageButton;
import android.widget.Toast;
import com.facebook.CallbackManager;
import com.facebook.share.widget.ShareDialog;
import com.kakao.kakaolink.KakaoLink;
import com.kakao.kakaolink.KakaoTalkLinkMessageBuilder;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import kr.nubiz.comn.Activity.MainActivity;
import kr.nubiz.comn.Util.ConnectServer;
import static android.app.Activity.RESULT_OK;
/**
* Created by NUBIZ_APP on 2017-05-24.
*/
public class WebViews extends Fragment {
private View rootView;
private android.webkit.WebView webView;
private Fragment mContent;
private FrameLayout frameLayout, frame;
private ConnectServer connectServer;
private String url;
private String hasSub;
private HashMap<String, String> user_Info;
private HashMap<String, String> device_Info;
private String able_Push;
private String device_Id;
private int startY = 0;
private ImageButton btn_OpenMenu;
private HashMap<String, String> hasSubs;
private Handler handler;
private ValueCallback<Uri> mUploadMessage;
public ValueCallback<Uri[]> uploadMessage;
public static final int REQUEST_SELECT_FILE = 100;
private final static int FILECHOOSER_RESULTCODE = 1;
public static final String INTENT_PROTOCOL_START = "intent:";
public static final String INTENT_PROTOCOL_INTENT = "#Intent;";
public static final String INTENT_PROTOCOL_END = ";end;";
public static final String GOOGLE_PLAY_STORE_PREFIX = "market://details?id=";
private CallbackManager callbackManager;
private ShareDialog shareDialog;
private KakaoTalkLinkMessageBuilder kakaoTalkLinkMessageBuilder;
private KakaoLink kakaoLink;
private static final String TAG = MainActivity.class.getSimpleName();
private String mCM;
private ValueCallback<Uri> mUM;
private ValueCallback<Uri[]> mUMA;
private final static int FCR = 1;
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if (Build.VERSION.SDK_INT >= 21) {
Uri[] results = null;
//Check if response is positive
if (resultCode == Activity.RESULT_OK) {
if (requestCode == FCR) {
if (null == mUMA) {
return;
}
if (intent == null) {
//Capture Photo if no image available
if (mCM != null) {
results = new Uri[]{Uri.parse(mCM)};
}
} else {
String dataString = intent.getDataString();
if (dataString != null) {
results = new Uri[]{Uri.parse(dataString)};
}
}
}
}
mUMA.onReceiveValue(results);
mUMA = null;
} else {
if (requestCode == FCR) {
if (null == mUM) return;
Uri result = intent == null || resultCode != RESULT_OK ? null : intent.getData();
mUM.onReceiveValue(result);
mUM = null;
}
}
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.webview, container, false);
return rootView;
}
@SuppressLint({"SetJavaScriptEnabled", "WrongViewCast"})
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Write your Basic Code
initLayout();
}
private void initLayout() {
handler = new Handler();
webView = (android.webkit.WebView) rootView.findViewById(R.id.webview);
webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setUseWideViewPort(true);
webView.getSettings().setDisplayZoomControls(false);
webView.getSettings().setSupportMultipleWindows(true);
webView.getSettings().setAllowFileAccess(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
webView.addJavascriptInterface(new AndroidBridge(), "android");
webView.setDrawingCacheEnabled(false);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setUseWideViewPort(true);
// webView.setWebChromeClient(new customWebChromeClient());
webView.setWebChromeClient(new WebChromeClient() {
//For Android 3.0+
public void openFileChooser(ValueCallback<Uri> uploadMsg) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(Intent.createChooser(i, "File Chooser"), FCR);
}
// For Android 3.0+, above method not supported in some android 3+ versions, in such case we use this
public void openFileChooser(ValueCallback uploadMsg, String acceptType) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(
Intent.createChooser(i, "File Browser"),
FCR);
}
//For Android 4.1+
public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(Intent.createChooser(i, "File Chooser"), FCR);
}
//For Android 5.0+
public boolean onShowFileChooser(
android.webkit.WebView webView, ValueCallback<Uri[]> filePathCallback,
WebChromeClient.FileChooserParams fileChooserParams) {
if (mUMA != null) {
mUMA.onReceiveValue(null);
}
mUMA = filePathCallback;
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
File photoFile = null;
try {
photoFile = createImageFile();
takePictureIntent.putExtra("PhotoPath", mCM);
} catch (IOException ex) {
Log.e(TAG, "Image file creation failed", ex);
}
if (photoFile != null) {
mCM = "file:" + photoFile.getAbsolutePath();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
} else {
takePictureIntent = null;
}
}
Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
contentSelectionIntent.setType("*/*");
Intent[] intentArray;
if (takePictureIntent != null) {
intentArray = new Intent[]{takePictureIntent};
} else {
intentArray = new Intent[0];
}
Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
startActivityForResult(chooserIntent, FCR);
return true;
}
@Override
public boolean onCreateWindow(android.webkit.WebView view, boolean isDialog, boolean isUserGesture, Message resultMsg) {
android.webkit.WebView newWebView = new android.webkit.WebView(getActivity());
newWebView.getSettings().setJavaScriptEnabled(true);
newWebView.getSettings().setSupportMultipleWindows(true);
newWebView.getSettings().setLoadWithOverviewMode(true);
newWebView.getSettings().setSupportZoom(false);
newWebView.getSettings().setPluginState(WebSettings.PluginState.ON);
newWebView.getSettings().setBuiltInZoomControls(true);
newWebView.getSettings().setUseWideViewPort(true);
newWebView.getSettings().setAllowFileAccess(true);
newWebView.getSettings().setAllowContentAccess(true);
newWebView.getSettings().setDisplayZoomControls(false);
newWebView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
newWebView.getSettings().setDefaultZoom(WebSettings.ZoomDensity.FAR);
newWebView.setWebChromeClient(new WebChromeClient() {
//For Android 3.0+
public void openFileChooser(ValueCallback<Uri> uploadMsg) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(Intent.createChooser(i, "File Chooser"), FCR);
}
// For Android 3.0+, above method not supported in some android 3+ versions, in such case we use this
public void openFileChooser(ValueCallback uploadMsg, String acceptType) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(
Intent.createChooser(i, "File Browser"),
FCR);
}
//For Android 4.1+
public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
mUM = uploadMsg;
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("*/*");
getActivity().startActivityForResult(Intent.createChooser(i, "File Chooser"), FCR);
}
//For Android 5.0+
public boolean onShowFileChooser(
android.webkit.WebView webView, ValueCallback<Uri[]> filePathCallback,
WebChromeClient.FileChooserParams fileChooserParams) {
if (mUMA != null) {
mUMA.onReceiveValue(null);
}
mUMA = filePathCallback;
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
File photoFile = null;
try {
photoFile = createImageFile();
takePictureIntent.putExtra("PhotoPath", mCM);
} catch (IOException ex) {
Log.e(TAG, "Image file creation failed", ex);
}
if (photoFile != null) {
mCM = "file:" + photoFile.getAbsolutePath();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
} else {
takePictureIntent = null;
}
}
Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
contentSelectionIntent.setType("*/*");
Intent[] intentArray;
if (takePictureIntent != null) {
intentArray = new Intent[]{takePictureIntent};
} else {
intentArray = new Intent[0];
}
Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
startActivityForResult(chooserIntent, FCR);
return true;
}
@Override
public void onCloseWindow(android.webkit.WebView window) {
webView.removeAllViews();
webView.removeView(window);
super.onCloseWindow(window);
}
});
newWebView.setWebViewClient(new WebViewClient());
view.addView(newWebView);
android.webkit.WebView.WebViewTransport transport = (android.webkit.WebView.WebViewTransport) resultMsg.obj;
transport.setWebView(newWebView);
resultMsg.sendToTarget();
return true;
}
@Override
public void onCloseWindow(android.webkit.WebView window) {
webView.removeAllViews();
webView.removeView(window);
super.onCloseWindow(window);
}
});
webView.setWebViewClient(new customWebViewClient());
webView.setDownloadListener(new DownloadListener() {
@Override
public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
try {
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
request.setMimeType(mimetype);
request.addRequestHeader("User_Agent", userAgent);
request.setDescription("Downloading file");
String fileName = contentDisposition.replace("inline; filename=", "");
fileName = fileName.replace("\"", "");
fileName = fileName.replace("attachment;", "");
fileName = fileName.replace("filename=", "");
fileName = fileName.replace(";", "");
fileName = fileName.replace(" ", "");
request.setTitle(fileName);
request.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
DownloadManager dm = (DownloadManager) getActivity().getSystemService(Context.DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getActivity().getApplicationContext(), "파일 다운로드", Toast.LENGTH_SHORT).show();
} catch (Exception e) {
if (ContextCompat.checkSelfPermission(getActivity(), android.Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), android.Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
Toast.makeText(getActivity(), "첨부파일을 다운 받기 위해\n동의가 필요합니다.", Toast.LENGTH_SHORT).show();
ActivityCompat.requestPermissions(getActivity(), new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, 110);
} else {
Toast.makeText(getActivity(), "첨부파일을 다운 받기 위해\n동의가 필요합니다.", Toast.LENGTH_SHORT).show();
ActivityCompat.requestPermissions(getActivity(), new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, 110);
}
}
}
}
});
webView.getSettings().setBuiltInZoomControls(true);
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
webView.getSettings().setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
} else {
webView.getSettings().setLoadWithOverviewMode(true);
}
startWebView(url);
}
public void startWebView(String url) {
webView.onResume();
webView.loadUrl(url);
}
// Create an image file
private File createImageFile() throws IOException {
@SuppressLint("SimpleDateFormat") String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "img_" + timeStamp + "_";
File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
return File.createTempFile(imageFileName, ".jpg", storageDir);
}
@Override
public void onDestroy() {
super.onDestroy();
}
private class AndroidBridge {
// If Use AndroidBridge. Code Here
}
private class customWebViewClient extends WebViewClient {
@Override
public void onReceivedHttpAuthRequest(android.webkit.WebView view, HttpAuthHandler handler, String host, String realm) {
super.onReceivedHttpAuthRequest(view, handler, host, realm);
}
@Override
public boolean shouldOverrideUrlLoading(android.webkit.WebView view, WebResourceRequest request) {
return true;
}
@Override
public void onPageStarted(android.webkit.WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
}
@Override
public void onPageFinished(android.webkit.WebView view, String url) {
webView.scrollTo(0, 0);
super.onPageFinished(view, url);
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
}