EditText et=findViewById(R.id.activity_query_et);
et.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
/*Toast.makeText(QueryActivity.this, "开始输入", Toast.LENGTH_SHORT).show();*/
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
/*Toast.makeText(QueryActivity.this, "文字变化", Toast.LENGTH_SHORT).show();*/
EditText et=findViewById(R.id.activity_query_et);
if(et.getText().toString().equals("")){
List<String> list=new ArrayList<String>();
list=getAllItems(R.raw.shl);
displayListView(list);
}
}
@Override
public void afterTextChanged(Editable s) {
/*Toast.makeText(QueryActivity.this, "输入结束", Toast.LENGTH_SHORT).show();*/
}
});
