Setting the time on a button in a different Activity in Android

In my application I have two activities. In the first acti开发者_开发技巧vity I have a button, and in the second activity I have another button. My problem is, when the user presses the first button I want to set the time display on the second button in the second activity. Can any one help me with a solution?

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Pass the value of one button to the second activity:

String text = button.getText();
Intent intent = new Intent(this, SecondActivity.class);
intent.putExtra("time", text);

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in second activity:

Intent intent = getIntent();
if (intent.getExtras() != null) {
  String time = intent.getExtras().getString("time");
}