Mar_2300_AutoCompleteTextView
          
      
       Hello world!
          
      
       Settings
          
              
       
        Mercury
               
       
        Mercury2
               
       
        Venus
               
       
        Earth
               
       
        Mars
               
       
        Jupiter
               
       
        Saturn
               
       
        Uranus
               
       
        Neptune
           
      
     

package com.example.mar_2300_autocompletetextview;import android.support.v7.app.ActionBarActivity;import android.support.v7.app.ActionBar;import android.support.v4.app.Fragment;import android.text.Editable;import android.text.TextWatcher;import android.app.Activity;import android.os.Bundle;import android.view.LayoutInflater;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.ViewGroup;import android.widget.ArrayAdapter;import android.widget.AutoCompleteTextView;import android.widget.TextView;import android.os.Build;public class MainActivity extends Activity implements TextWatcher {    private AutoCompleteTextView atv;    private TextView tv;    private ArrayAdapter
     
       adapter;        @Override    public void afterTextChanged(Editable s) {        // TODO Auto-generated method stub            }    @Override    public void beforeTextChanged(CharSequence s, int start, int count,            int after) {        // TODO Auto-generated method stub    }    @Override    public void onTextChanged(CharSequence s, int start, int before, int count) {        // TODO Auto-generated method stub        tv.setText(atv.getText());    }    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        atv = (AutoCompleteTextView) findViewById(R.id.atv);        tv = (TextView) findViewById(R.id.textView1);        adapter = ArrayAdapter.createFromResource(this, R.array.test,                android.R.layout.simple_dropdown_item_1line);        atv.setAdapter(adapter);        atv.addTextChangedListener(this);    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }}