intent android open activity
Intent intent = new Intent(this, DisplayMessageActivity.class); intent.putExtra(key:,value:); startActivity(intent);
android studio start activity
startActivity(new Intent(getApplicationContext(), newActivity.class));
android start new Activity from an activity with a child
val newIntent = Intent(this@Activity1, Activity2::class.java) newIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK) newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) this@Activity1.startActivity(newIntent)
start new activity android
startActivity(new Intent(getApplicationContext(), ActivityName.class));