Show your home location on Map

//from www .  jav a2s  .c om
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Please enter your home address."
        />
    <EditText
        android:id="@+id/address"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:autoText="true"
        />
    <Button
        android:id="@+id/launchmap"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Show Map"
        />
</LinearLayout>

package com.java2s.app;
//from ww w.j a  va 2s.c  o m
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final AlertDialog.Builder adb = new AlertDialog.Builder(this);

        final EditText addressfield = (EditText) findViewById(R.id.address);

        final Button button = (Button) findViewById(R.id.launchmap);
        button.setOnClickListener(new Button.OnClickListener() {

            public void onClick(View v) {
                try {
                    // Perform action on click
                    String address = addressfield.getText().toString();
                    address = address.replace(' ', '+');
                    Intent geoIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("geo:0,0?q=" + address));
                    startActivity(geoIntent);
                } catch (Exception e) {
                    AlertDialog ad = adb.create();
                    ad.setMessage("Failed to Launch");
                    ad.show();
                }
            }
        });
    }
}