Answers for "android start new activity"

intent android open activity

Intent intent = new Intent(this, DisplayMessageActivity.class);
        intent.putExtra(key:,value:);
        startActivity(intent);

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)

[email protected](newIntent)

android studio start activity

startActivity(new Intent(getApplicationContext(), newActivity.class));