AutocompleteTextView內(nèi)容補(bǔ)全有一個屬性completionThreshold作用是輸入最少幾個字符進(jìn)行提示package com.example.layou_text;importandroid.app.Activity;importandroid.os.Bundle;importandroid.widget.ArrayAdapter;importandroid.widget.AutoCompleteTextView;importandroid.widget.Spinner;publicclassChatnActivityextendsActivity{ Spinner spinner; AutoCompleteTextView auto; @Override protectedvoidonCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState); setContentView(R.layout.lv_man); spinner=(Spinner) findViewById(R.id.spinner);//下拉框auto=(AutoCompleteTextView) findViewById(R.id.auto);//提示框// 準(zhǔn)備數(shù)據(jù)Stringdata[]={"502900588","17600446278","20141596"}; ArrayAdapter adapter =newArrayAdapter(this, android.R.layout.simple_spinner_item, data);//data必須是一個數(shù)組// ,data和.add只能有一個adapter.add("213");//不能添加數(shù)組只能是值//也可以在外面設(shè)置數(shù)據(jù)要通過adapter.add添加一個String的值adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);//設(shè)置點(diǎn)擊跳出的布局,用了一個系統(tǒng)自帶spinner.setAdapter(adapter);// Stringdataauto[]={"12345","1563731","2582381","2932414"}; ArrayAdapter adapter2 =newArrayAdapter(this, android.R.layout.simple_dropdown_item_1line ,dataauto); adapter2.notifyDataSetChanged();//更新列表auto.setAdapter(adapter2); }}布局.xml寫下拉提示android:id="@+id/spinner"android:layout_width="match_parent"android:layout_height="wrap_content"布局寫.xml自動提示android:id="@+id/auto"android:layout_width="match_parent"android:layout_height="wrap_content"android:completionThreshold="1"