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This Android Java Program Creates Search Activity for an Application in Android.

Here is source code of the Program to Create Search Activity for an Application in Android. The program is successfully compiled and run on a Windows system using Eclipse Ide. The program output is also shown below.

MainActivity.java

package com.example.searchactivity;
 
import java.util.ArrayList;
import java.util.HashMap;
 
import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
 
public class MainActivity extends Activity {
 
    private ListView listview;
    ArrayAdapter<String> adapter;
    EditText Search;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        String programming_languages[] = { "Pyhton", "C", "C++", "Java", "C#", "JavaScript",
                "XML", "HTML5", "Operating Systems", "Android", "Windows",
                "PHP", "Mongodb", "SQL" };
 
        listview = (ListView) findViewById(R.id.listview);
        Search = (EditText) findViewById(R.id.input);
 
        adapter = new ArrayAdapter<String>(this, R.layout.item, R.id.item,
                programming_languages);
        listview.setAdapter(adapter);
 
        Search.addTextChangedListener(new TextWatcher() {
 
            @Override
            public void onTextChanged(CharSequence cs, int arg1, int arg2,
                    int arg3) {
                // When user changed the Text
                MainActivity.this.adapter.getFilter().filter(cs);
            }
 
            @Override
            public void beforeTextChanged(CharSequence arg0, int arg1,
                    int arg2, int arg3) {
                // TODO Auto-generated method stub
 
            }
 
            @Override
            public void afterTextChanged(Editable arg0) {
                // TODO Auto-generated method stub
            }
        });
    }
}

Activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
 
    <EditText
        android:id="@+id/input"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:hint="Search .."
        android:inputType="textVisiblePassword" />
 
    <ListView
        android:id="@+id/listview"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />
 
</LinearLayout>

item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
 
    <TextView
        android:id="@+id/item"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="10dip"
        android:textSize="16dip"
        android:textStyle="bold" />
 
</LinearLayout>

Finally add the following property in your AndroidManifest.xml file to hide the keyboard on loading Activity.

android:windowSoftInputMode="stateHidden"

AndoridManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.searchactivity"
    android:versionCode="1"
    android:versionName="1.0" >
 
    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />
 
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.searchactivity.MainActivity"
            android:label="@string/app_name"
            android:windowSoftInputMode="stateHidden" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
 
</manifest>

Java Android Program to Create Search Activity for an Application in Andorid