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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.widget;
     18 
     19 import com.android.frameworks.coretests.R;
     20 
     21 import android.app.Activity;
     22 import android.os.Bundle;
     23 import android.util.Log;
     24 import android.view.View;
     25 import android.widget.AdapterView.OnItemClickListener;
     26 import android.widget.AdapterView.OnItemSelectedListener;
     27 
     28 public class AutoCompleteTextViewSimple extends Activity
     29         implements OnItemClickListener, OnItemSelectedListener {
     30 
     31     private final String LOG_TAG = "AutoCompleteTextViewSimple";
     32 
     33     private AutoCompleteTextView mTextView;
     34 
     35     /** These are cleared by resetItemListeners(), and set by the callback listeners */
     36     public boolean mItemClickCalled;
     37     public int mItemClickPosition;
     38     public boolean mItemSelectedCalled;
     39     public int mItemSelectedPosition;
     40     public boolean mNothingSelectedCalled;
     41 
     42     @Override
     43     protected void onCreate(Bundle icicle)
     44     {
     45         // Be sure to call the super class.
     46         super.onCreate(icicle);
     47 
     48         // setup layout & views
     49         setContentView(R.layout.autocompletetextview_simple);
     50         mTextView = findViewById(R.id.autocompletetextview1);
     51 
     52         // configure callbacks used for monitoring
     53         mTextView.setOnItemClickListener(this);
     54         mTextView.setOnItemSelectedListener(this);
     55         resetItemListeners();
     56 
     57         setStringAdapter(5, "a");
     58     }
     59 
     60     /**
     61      * @return The AutoCompleteTextView used in this test activity.
     62      */
     63     public AutoCompleteTextView getTextView() {
     64         return mTextView;
     65     }
     66 
     67     /**
     68      * Set the autocomplete data to an adapter containing 0..n strings with a consistent prefix.
     69      */
     70     public void setStringAdapter(int numSuggestions, String prefix) {
     71         // generate the string array
     72         String[] strings = new String[numSuggestions];
     73         for (int i = 0; i < numSuggestions; ++i) {
     74             strings[i] = prefix + String.valueOf(i);
     75         }
     76 
     77         // install it with an adapter
     78         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
     79                 android.R.layout.simple_dropdown_item_1line, strings);
     80         mTextView.setAdapter(adapter);
     81     }
     82 
     83     /**
     84      * For monitoring OnItemClickListener & OnItemSelectedListener
     85      *
     86      * An alternative here would be to provide a set of pass-through callbacks
     87      */
     88     public void resetItemListeners() {
     89         mItemClickCalled = false;
     90         mItemClickPosition = -1;
     91         mItemSelectedCalled = false;
     92         mItemSelectedPosition = -1;
     93         mNothingSelectedCalled = false;
     94     }
     95 
     96     /**
     97      * Implements OnItemClickListener
     98      */
     99     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    100         Log.d(LOG_TAG, "onItemClick() position " + position);
    101         mItemClickCalled = true;
    102         mItemClickPosition = position;
    103     }
    104 
    105     /**
    106      * Implements OnItemSelectedListener
    107      */
    108     public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
    109         Log.d(LOG_TAG, "onItemSelected() position " + position);
    110         mItemSelectedCalled = true;
    111         mItemSelectedPosition = position;
    112     }
    113 
    114     /**
    115      * Implements OnItemSelectedListener
    116      */
    117     public void onNothingSelected(AdapterView<?> parent) {
    118         Log.d(LOG_TAG, "onNothingSelected()");
    119         mNothingSelectedCalled = true;
    120     }
    121 
    122 }
    123