Navigating from Activity A->B->C - How to pass data from C to A in onBackPressed()?

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春和景丽
春和景丽 2021-01-15 18:37
  1. From Activity A call Activity B
  2. from B to C and while calling Activity C
  3. I call finish for Activity B
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  •  清歌不尽
    2021-01-15 18:56

    use shared preference

    C ACTIVITY

    SharedPreferences sf = getPreferences(MODE_PRIVATE); SharedPreferences.Editor editor = sf.edit(); editor.putString(key, value); editor.commit();

    A ACTIVITY

    SharedPreferences sharedPreferences = getPreferences(MODE_PRIVATE); String savedPref = sharedPreferences.getString(key, ""); mOutputView.setText(savedPref);

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