import android.content.Intent; import android.net.Uri; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class GoToGoogleMapActivity extends AppCompatActivity { private Button BtnGoToMap; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_go_to_google_map); BtnGoToMap = (Button) findViewById(R.id.BtnGoToMap); BtnGoToMap.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // Uri gmmIntentUri = Uri.parse("geo:37.7749,-122.4194"); //_________________________________ // Uri gmmIntentUri = Uri.parse("geo:37.7749,-122.4192?q=" + Uri.encode("1st & Pike, Seattle")); // Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri); // ...