Intent intent = new Intent(CurrentActivity.this,NextActivity.class);
intent.putExtras("string_name","string_to_pass");
startActivity(intent);
在 NextActivity.java 中
Intent getIntent = getIntent();
//call a TextView object to set the string to
TextView text = (TextView)findViewById(R.id.textview_id);
text.setText(getIntent.getStringExtra("string_name"));