Reg AutoCompleteTextView in Android

Question

5.00/5 (1 vote)

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Hi All,

Am developing AutoComplete functionality in Android Application using AutoCompleteTextView. It works properly and am able to get the list that is assigned based on the keypress.

I face following two issue in AutoCompleteTextView.

1. The Value I enter in Textbox is not visible. say "John" if I type "J" the value is retrieved but am not able to view the value entered into thatAutoCompleteTextView textcontrol

2. In case I select a value from the list, the selected value is not shown/displayed to the textbox.

Can you please help me in this issue. Thanks in Advance.

XML

<pre lang="XML">
// activity_main.xml
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingbottom="@dimen/activity_vertical_margin" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin" tools:context="com.techmail.progressreport.MainActivity">
     <textview android:id="@+id/lblSubjects" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/lblSubjects" android:textappearance="?android:attr/textAppearanceMedium"></textview>
     <autocompletetextview android:id="@+id/txtautocompleteSubjects" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@+id/lblSubjects" android:inputtype="textAutoComplete|textAutoCorrect" android:layout_margintop="40dp" android:ems="12"></autocompletetextview>
</relativelayout>
</pre>
//MainActivity.java
<pre lang="Java" >
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        String[] chapters = getResources().getStringArray(R.array.subjectsList);
        // In the onCreate method
        AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.txtautocompleteSubjects);
        ArrayAdapter<string> adapter = new ArrayAdapter<string>(this,
                android.R.layout.simple_list_item_1,
                chapters);
        textView.setAdapter(adapter);
        textView.setThreshold(1);
    }
</pre>
//string
<pre lang="XML">
<!--?xml version="1.0" encoding="utf-8"?-->
<resources>

    <string name="app_name">ProgressReport</string>
    <string name="hello_world">Hello world!</string>
    <string name="lblSubjects">Subjects</string>
    <string name="action_About">About</string>
<string-array name="subjectsList">
        <item>Tamil</item>
        <item>English</item>
        <item>Maths</item>
        <item>Science</item>
        <item>Social</item>
</string-array>
</resources>
</pre>

Regards,
Mahe

Posted 1-Oct-14 21:28pm

Mahendran Murugesan

Updated 3-Oct-14 20:07pm

v2

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Comments

Richard MacCutchan 2-Oct-14 3:49am

You need to show us some of your code if you want help. We cannot guees what your program is doing.

Mahendran Murugesan 4-Oct-14 2:00am

Hi,

Added the code in question itself. Could you please guide me to display the typed letters in Autocompletetextview
Regards,
Mahe

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Richard MacCutchan · Answer 1 · 2014-10-03T23:57:00

There is nothing wrong with your code, apart from the misuse of lower case letters in a number of class and attribute names. Once I corrected those errors the code worked perfectly.

XML

// activity_main.xml
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android">
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.techmail.progressreport.MainActivity">
     <textview android:id="@+id/lblSubjects">
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/lblSubjects"
         android:textAppearance="?android:attr/textAppearanceMedium">
     </textview>
     <autocompletetextview android:id="@+id/txtautocompleteSubjects">
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:inputType="textAutoComplete|textAutoCorrect"
         android:layout_marginTop="40dp"
         android:ems="12">
     </autocompletetextview>
</relativelayout>

Java

// MainActivity.java

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        String[] chapters = getResources().getStringArray(R.array.subjectsList);
        // In the onCreate method
        AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.txtautocompleteSubjects);
        ArrayAdapter<string> adapter = new ArrayAdapter<string>(this,
                android.R.layout.simple_list_item_1,
                chapters);
        textView.setAdapter(adapter);
        textView.setThreshold(1);
    }
</string></string>