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Jul 17th, 2019
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  1. 【1】
  2. startActivityForResult(new Intent(MainActivity.this, OtherActivity.class), 1);
  3.  
  4. 【2】
  5. @Override
  6. protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  7. String result = data.getExtras().getString("result");//得到新Activity 关闭后返回的数据
  8. Log.i(TAG, result);
  9. }
  10.  
  11. 【3】
  12. //数据是使用Intent返回
  13. Intent intent = new Intent();
  14. //把返回数据存入Intent
  15. intent.putExtra("result", "My name is linjiqin");
  16. //设置返回数据
  17. OtherActivity.this.setResult(RESULT_OK, intent);
  18. //关闭Activity
  19. OtherActivity.this.finish();
  20. }
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