How to get data from another activity in android?

Question

I have two actions, such as Activity A and B, and I'm trying to pass two different lines from A to B using Bundle and startActivity(intent) .

Like:

 Intent intent = new Intent(A.this, B.class); Bundle bundle = new Bundle(); bundle.putString("vidoedetails", filedetails); //bundle.putString("videoname", filename); intent.putExtras(bundle); //intent.putExtra("videofilename", filename); //intent.putExtra("vidoefiledetails", filedetails); startActivity(intent); 

And in class B, I use two TextView to display rows from class A separately.

Like:

 Intent i = getIntent(); Bundle extras = i.getExtras(); filedetails = extras.getString("videodetails"); filename = extras.getString("videoname"); 

The problem of filedetils is printed in class B, but not in the file name.

Any solution for this?

Answer 1

you have a typo:

 bundle.putString("vidoedetails", filedetails); 

it should be

 bundle.putString("videodetails", filedetails); 

Answer 2

I know that I'm 9 days late for this answer, but this is a good example of why I create a class of constants. With a class of constants, it doesn’t matter if it is written with an error ("video" → "vidoe"), because it will be "with an error" in both places, because you refer to it through a well-known location.

Constants.java

 public static String WELL_KNOWN_STRING "org.example.stackoverflow.4792829"; 

Activity1.java

 bundle.putString(Constants.WELL_KNOWN_STRING, filedetails); 

Activity2.java

 filedetails = extras.getString(Constants.WELL_KNOWN_STRING); 

Answer 3

Yes, you incorrectly indicated the video:
Yours: vid * OE * more
Right: vid * EO * details

Answer 4

 // First activity actvty_btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Intent i = new Intent(v.getContext(),SECONDACTIVITY.class); startActivityForResult(i, STATIC_INTEGER_VALUE); } }); /* This function gets the value from the other activity where we have passed a value on calling this activity */ public void activity_value() { Intent i = getIntent(); Bundle extras=i.getExtras(); if(extras !=null) { // This is necessary for the retrv_value rtrv_value = extras.getString("key"); if(!(rtrv_value.isEmpty())) { // It displays if the retrieved value is not equal to zero myselection.setText("Your partner says = " + rtrv_value); } } } // Second activity myBtn.setOnClickListener(new View.OnClickListener () { public void onClick(View v) { Intent intent = new Intent(v.getContext(), FIRSTACTIVITY.class); Bundle bundle = new Bundle(); bundle.putString("key", txt1.getText().toString()); // Here key is just the "Reference Name" and txt1 is the EditText value intent.putExtras(bundle); startActivity(intent); } }); 

Answer 5

Here is another way to transfer data between actions. This is just an example from the tutorial that I followed. I have a splash screen that works for 5 seconds and then it will remove the sound clip from:

 @Override protected void onPause() { super.onPause(); ourSong.release(); } 

I decided that I want the sound clip to continue playing the next activity, while still being able to kill / release it from there, so I made a sound clip, a MediaPlayer object, open and static, similar to what it was in System. out is a public static object. Being new to Android dev, but not new to Java dev, I did it this way.

 import android.app.Activity; import android.content.Intent; import android.media.MediaPlayer; import android.os.Bundle; public class Splash extends Activity { public static MediaPlayer ourSong; // <----- Created the object to be shared // this way @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.splash); ourSong = MediaPlayer.create(Splash.this, R.raw.dubstep); ourSong.start(); Thread timer = new Thread() { public void run() { try { sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } finally { Intent openStartingPoint = new Intent( "expectusafterlun.ch.androidtutorial.MENU"); startActivity(openStartingPoint); } } }; timer.start(); } } 

Then, from the next action or any other action, I could access this MediaPlayer object.

 public class Menu extends ListActivity { String activities[] = { "Count", "TextPlay", "Email", "Camera", "example4", "example5", "example6" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setListAdapter(new ArrayAdapter<String>(Menu.this, android.R.layout.simple_expandable_list_item_1, activities)); } @Override protected void onPause() { super.onPause(); Splash.ourSong.release(); // <----- Accessing data from another Activity // here } }