我有一个Android WebView应用，并且在网络源中已将新闻内容共享到whatsapp。在移动浏览器中可以完美运行，但在Web视图中则无法运行。
public class MainActivity extends Activity {
// set your custom url here
String url = "www.myurl.com";
private static final String TAG = MainActivity.class.getSimpleName();
private BroadcastReceiver mRegistrationBroadcastReceiver;
WebView mWebView;
ProgressBar prgs;
RelativeLayout main_layout;
AlertDialog.Builder builder;
@Override
public void onPanelClosed(int featureId, Menu menu) {
super.onPanelClosed(featureId, menu);
}
@SuppressWarnings("deprecation")
@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
DynamicLink dynamicLink = FirebaseDynamicLinks.getInstance().createDynamicLink()
.setLink(Uri.parse("myurl"))
.setDomainUriPrefix("myurl")
.setDomainUriPrefix("myurl")
// Open links with this app on Android
.setAndroidParameters(new DynamicLink.AndroidParameters.Builder().build())
// Open links with com.example.ios on iOS
.setIosParameters(new DynamicLink.IosParameters.Builder("com.project.tfirebase").build())
.buildDynamicLink();
Uri dynamicLinkUri = dynamicLink.getUri();
FirebaseDynamicLinks.getInstance()
.getDynamicLink(getIntent())
.addOnSuccessListener(this, new OnSuccessListener<PendingDynamicLinkData>() {
@Override
public void onSuccess(PendingDynamicLinkData pendingDynamicLinkData) {
// Get deep link from result (may be null if no link is found)
Uri deepLink = null;
if (pendingDynamicLinkData != null) {
deepLink = pendingDynamicLinkData.getLink();
}
// Handle the deep link. For example, open the linked
// content, or apply promotional credit to the user's
// account.
// ...
// ...
}
})
.addOnFailureListener(this, new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
Log.w(TAG, "getDynamicLink:onFailure", e);
}
});
Intent intent = getIntent();
String action = intent.getAction();
Uri data = intent.getData();
builder = new AlertDialog.Builder(this);
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
android.net.NetworkInfo wifi = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
android.net.NetworkInfo datac = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if ((wifi != null & datac != null) && (wifi.isConnected() | datac.isConnected())) {
//connection is available
this.getWindow().requestFeature(Window.FEATURE_PROGRESS);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getWindow().setFeatureInt(Window.FEATURE_PROGRESS,
Window.PROGRESS_VISIBILITY_ON);
mWebView = (WebView) findViewById(R.id.wv);
prgs = (ProgressBar) findViewById(R.id.progressBar);
main_layout = (RelativeLayout) findViewById(R.id.main_layout);
mWebView.loadUrl(url);
// control javaScript and add html5 features
mWebView.setFocusable(true);
mWebView.setFocusableInTouchMode(true);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setRenderPriority(RenderPriority.HIGH);
mWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
mWebView.getSettings().setDomStorageEnabled(true);
mWebView.getSettings().setAppCacheEnabled(true);
mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
mWebView.getSettings().setDatabaseEnabled(true);
mWebView.getSettings().setDatabasePath(
this.getFilesDir().getPath() + this.getPackageName()
+ "/databases/");
// this force use chromeWebClient
mWebView.getSettings().setSupportMultipleWindows(true);
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url != null && url.startsWith("whatsapp://")) {
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, "Hello");
sendIntent.setType("text/plain");
sendIntent.setPackage("com.whatsapp");
startActivity(sendIntent);
return true;
} else {
return false;
}
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
if (prgs.getVisibility() == View.GONE) {
prgs.setVisibility(View.VISIBLE);
}
}
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
if (prgs.getVisibility() == View.VISIBLE)
prgs.setVisibility(View.GONE);
}
});
} else {
// no connection
builder.setMessage(R.string.alertmessage).setTitle(R.string.alerttitle);
//Setting message manually and performing action on button click
builder.setMessage("Check your Internet Connection")
.setCancelable(false)
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
//Action for OK button
dialog.cancel();
onCreate(savedInstanceState);
}
})
.setNegativeButton("Close", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// Action for 'NO' Button
finish();
}
});
//Creating dialog box
AlertDialog alert = builder.create();
//Setting the title manually
alert.setTitle("Alert");
alert.show();
}
//Messaging
mRegistrationBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// checking for type intent filter
if (intent.getAction().equals(Config.REGISTRATION_COMPLETE)) {
// gcm successfully registered
// now subscribe to `global` topic to receive app wide notifications
FirebaseMessaging.getInstance().subscribeToTopic(Config.TOPIC_GLOBAL);
displayFirebaseRegId();
} else if (intent.getAction().equals(Config.PUSH_NOTIFICATION)) {
// new push notification is received
String message = intent.getStringExtra("message");
// Toast.makeText(getApplicationContext(), "Push notification: " + message, Toast.LENGTH_LONG).show();
//txtMessage.setText(message);
}
}
};
displayFirebaseRegId();
// ATTENTION: This was auto-generated to handle app links.
Intent appLinkIntent = getIntent();
String appLinkAction = appLinkIntent.getAction();
Uri appLinkData = appLinkIntent.getData();
}
/*Task<ShortDynamicLink> shortLinkTask = FirebaseDynamicLinks.getInstance().createDynamicLink()
.setLink(Uri.parse("myurl"))
.setDomainUriPrefix("myurl")
// Set parameters
// ...
.buildShortDynamicLink()
.addOnCompleteListener(this, new OnCompleteListener<ShortDynamicLink>() {
@Override
public void onComplete(@NonNull Task<ShortDynamicLink> task) {
if (task.isSuccessful()) {
// Short link created
Uri shortLink = task.getResult().getShortLink();
Uri flowchartLink = task.getResult().getPreviewLink();
} else {
// Error
// ...
}
}
});*/
// Fetches reg id from shared preferences
// and displays on the screen
private void displayFirebaseRegId() {
SharedPreferences pref = getApplicationContext().getSharedPreferences(Config.SHARED_PREF, 0);
String regId = pref.getString("regId", null);
Log.e(TAG, "Firebase reg id: " + regId);
if (!TextUtils.isEmpty(regId))
Log.e(TAG, "Firebase reg id: " + regId);
// Toast.makeText(getApplicationContext(), "Firebase Reg Id: " + regId, Toast.LENGTH_LONG).show();
// txtRegId.setText("Firebase Reg Id: " + regId);
else
Log.e(TAG, "Firebase Reg Id is not received yet!" + regId);
// Toast.makeText(getApplicationContext(), "Firebase Reg Id is not received yet!", Toast.LENGTH_LONG).show();
// txtRegId.setText("Firebase Reg Id is not received yet!");
}
@Override
protected void onResume() {
super.onResume();
// register GCM registration complete receiver
LocalBroadcastManager.getInstance(this).registerReceiver(mRegistrationBroadcastReceiver,
new IntentFilter(Config.REGISTRATION_COMPLETE));
// register new push message receiver
// by doing this, the activity will be notified each time a new message arrives
LocalBroadcastManager.getInstance(this).registerReceiver(mRegistrationBroadcastReceiver,
new IntentFilter(Config.PUSH_NOTIFICATION));
// clear the notification area when the app is opened
NotificationUtils.clearNotifications(getApplicationContext());
}
@Override
protected void onPause() {
LocalBroadcastManager.getInstance(this).unregisterReceiver(mRegistrationBroadcastReceiver);
super.onPause();
}
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) {
mWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
请帮助解决此问题！！！ 我更改为要在网站代码中完成的操作，也请告诉我们