Android Course

Passing data between activities in Android

Objective :

  • Passing data between activities in Android
  • Passing multiple data between activities in Android
  • Passing array between activities in Android
  • Passing ArrayList between activities in Android
  • Passing ArrayList to another activity in Android
  • Sending data via Intent in Android
  • Sending multiple data via Intent in Android
  • Sending array between activities in Android
  • Sending ArrayList between activities in Android
  • Sending ArrayList to another activity in Android
  • Sending data via Intent and Bundle in Android
  • Sending multiple data via Intent and Bundle in Android
  • Passing array between activities in Android using Intent and Bundle
  • How to pass array to another activity in Android?
  • How to pass array between activities in Android?
  • How to pass data to another activity in Android?
  • How to pass data to activity in Android?
  • How to pass data to between activities in Android?
  • How to pass ArrayList to another activity in Android?
  • How to pass ArrayList between activities in Android?

 

Code for passing data between activities in Android :

ActivityOne.java

[sourcecode lang=”java”]

String value = "Hello!";
Intent in = new Intent(this,ActivityTwo.class);
in.putExtra("Key", value);
startActivity(in);

[/sourcecode]

ActivityTwo.java

[sourcecode lang=”java”]

Bundle bundle = getIntent().getExtras();
String valueReceived = bundle .getString("Key");

[/sourcecode]

 

Code for passing multiple data or values between activities in Android :

Method 1 : Using Intent to pass data and Bundle to extract data between activities in Android

ActivityOne.java

[sourcecode lang=”java”]

String value1 = "Hello!";
String value2 = "Hi!";
Intent in = new Intent(this,ActivityTwo.class);
in.putExtra("Key1", value1);
in.putExtra("Key2", value2);
startActivity(in);
[/sourcecode]

ActivityTwo.java

[sourcecode lang=”java”]
Bundle bundle = getIntent().getExtras();
String valueReceived1 = bundle .getString("Key1");
String valueReceived2 = bundle .getString("Key2");
[/sourcecode]

 

Method 2 : Using Bundle to pass and to extract data between activities in Android

ActivityOne.java

[sourcecode lang=”java”]

String value1 = "Hello!";
String value2 = "Hi!";
Intent in = new Intent(this,ActivityTwo.class);
Bundle bundle = new Bundle();
bundle.putString("Key1", value1);
bundle.putString("Key2", value2);
in.putExtras(bundle);
startActivity(in);
[/sourcecode]

ActivityTwo.java

[sourcecode lang=”java”]
Bundle bundle = getIntent().getExtras();
String valueReceived1 = bundle .getString("Key1");
String valueReceived2 = bundle .getString("Key2");
[/sourcecode]

 

Code for passing array between activities in Android :

ActivityOne.java

[sourcecode lang=”java”]
String[] array = new String[]{"Item1", "Item2", "item3", "Item4", "item5"};
Intent in = new Intent(this,ActivityTwo.class);
Bundle bundle = new Bundle();
bundle.putStringArray("MyArray", array);
in.putExtras(bundle);
startActivity(in);
[/sourcecode]

ActivityTwo.java

[sourcecode lang=”java”]
Bundle bundle = getIntent().getExtras();
String arrayReceived[] = bundle.getStringArray("MyArray");
[/sourcecode]

 

Code for passing ArrayList between activities in Android :

ActivityOne.java

[sourcecode lang=”java”]
ArrayList<String> array = new ArrayList<String>();
array.add("Hello");
array.add("Hi");
array.add("Bye");
Intent intent = new Intent(this, ActivityTwo.class);
intent.putExtra("array_list", array);
startActivity(intent);
[/sourcecode]

ActivityTwo.java

[sourcecode lang=”java”]
Bundle bundle = getIntent().getExtras();
ArrayList<String> array = (ArrayList<String>) bundle.getStringArrayList("array_list");
[/sourcecode]


Have fun with Intent.

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