Android Return Data Intent

Think about one app which has 2 activity one will be goto another one and 2nd activity will have a button to send some data back to Frist activity. In this method an Intent object is used to send the data to the calling activity via setData method.

Return Data Using Intent Object In Android Applications

ActivityResultLauncher mStartForResult registerForActivityResultnew StartActivityForResult new ActivityResultCallback Override public void onActivityResultActivityResult result if resultgetResultCode ActivityRESULT_OK Intent intent resultgetIntent.

Android return data intent. If you pass EXTRA_OUTPUT with a URI to write to it will return a null intent and the picture is in the URI that you passed in. Intent is a messaging object. You can verify this by looking at the camera apps source code on GitHub.

Here we use the putExtra method to return some value. If you look at the Activity class you will see that finish method only sends back the result if there is a mParent property set to null. Private void sendBroadcast boolean success Intent intent new Intent message.

To return data back to Source Activity from the Target Activity you should create an instance of androidcontentIntent class in the Target Activity. Intent intent new Intent. The default Android camera application returns a non-null intent only when passing back a thumbnail in the returned Intent.

The intent object takes the start activity and destination activity names. Otherwise the result is lost. Do not need to provide constructor parameters at this time.

If the intent contains any private data then data can be leaked to third-party apps installed on the same device when implicit intents are used. We can use one intent to pass data from one Activity to another Activity starting service or delivering broadcasts. Intent data new Intent.

The setResult method sets a result code to either RESULT_OK or RESULT_CANCELLED and the data to be returned back to the calling activity MainActivityjava file. Its a simple as that. Intent data new Intent.

Intent intent new Intent. Override public void onCreateNullable. Here we use the setData method to return some value.

For passing data in Android we need to use objects of class Intent. Create an instance of the Intent object to return data. Action data mime type categories and Android itself decides which component to call.

The problem is that the intent data is null and the OnActivityResult method turns directly to the resultCode RESULT_CANCELED and the application returns to the previous avtivity. PackageIntentintent titleString priority status fullDate. Intent intent new Intent.

With implicit intents only certain parameters are set eg. The finish method is used to close the activity and returns back to the. PackageIntentdata titleString priority status fullDate.

Create an Intent the result object Set the result data you dont have to return a Uri – you can use the putExtra methods to set any values you want Call. DatasetDataUriparseData passed to the Main Activity. In your own code you could do the following in the called Intent to eg.

Handle the Intent. Here we use result with OK. Put the same message as in the filter you used in the activity when registering the receiver intentputExtrasuccess success.

And then retrieve it via datagetdata For some more examples have a look at this class for the first part lines 373 and this one for an own intent that returns data. After spending several hours and downloading the Android sources I have finally come to a solution. Build an app to get Result from an Activity using Android startActivityForResult method.

Return the string Hello World to the caller data is the key later. Package ToDoItem data into an Intent. TODO – return data Intent and finish Create a new intent and save the input as an extra.

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