3. android 自动完成文本框

目录结构

第一步

auto_complete_text.xml

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <AutoCompleteTextView android:id="@+id/myAutoCompleteTextView" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </LinearLayout>

第二步

MainActivity.java

package com.taofu5; import com.taofu5.R; import android.app.Activity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; public class MainActivity extends Activity { private static final String[] myStr = {"aaa","bbb","ccc","aabb","aad"}; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.auto_complete_text); ArrayAdapter<String> aa = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line,myStr) { }; AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.myAutoCompleteTextView); textView.setAdapter(aa); textView.setThreshold(1); } }

第三步

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.taofu5" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".MainActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="7" /> </manifest>

效果图如下：

That's all.

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