Start Google Maps using intent of ACTION_VIEW

To start Android geo viewer, Google Maps, we can start activity with intent "android.content.Intent.ACTION_VIEW", with Uri of "geo:latitude,longitude".

Modify last post "Get location of Cell ID, from opencellid.org using HttpGet()", start Google Maps with the location returned from OpenCellID.

geo:latitude,longitude

AndroidTelephonyManager.java
package com.AndroidTelephonyManager;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class AndroidTelephonyManager extends Activity {

public class OpenCellID {
String mcc; //Mobile Country Code
String mnc; //mobile network code
String cellid; //Cell ID
String lac; //Location Area Code

Boolean error;
String strURLSent;
String GetOpenCellID_fullresult;

String latitude;
String longitude;

public Boolean isError(){
return error;
}

public void setMcc(String value){
mcc = value;
}

public void setMnc(String value){
mnc = value;
}

public void setCallID(int value){
cellid = String.valueOf(value);
}

public void setCallLac(int value){
lac = String.valueOf(value);
}

public String getLocation(){
return(latitude + " : " + longitude);
}

public String getLatitude(){
return latitude;
}

public String getLongitude(){
return longitude;
}

public void groupURLSent(){
strURLSent =
"http://www.opencellid.org/cell/get?mcc=" + mcc
+"&mnc=" + mnc
+"&cellid=" + cellid
+"&lac=" + lac
+"&fmt=txt";
}

public String getstrURLSent(){
return strURLSent;
}

public String getGetOpenCellID_fullresult(){
return GetOpenCellID_fullresult;
}

public void GetOpenCellID() throws Exception {
groupURLSent();
HttpClient client = new DefaultHttpClient();
HttpGet request = new HttpGet(strURLSent);
HttpResponse response = client.execute(request);
GetOpenCellID_fullresult = EntityUtils.toString(response.getEntity());
spliteResult();
}

private void spliteResult(){
if(GetOpenCellID_fullresult.equalsIgnoreCase("err")){
error = true;
}else{
error = false;
String[] tResult = GetOpenCellID_fullresult.split(",");
latitude = tResult[0];
longitude = tResult[1];
}


}
}

int myLatitude, myLongitude;
OpenCellID openCellID;


/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
TextView textGsmCellLocation = (TextView)findViewById(R.id.gsmcelllocation);
TextView textMCC = (TextView)findViewById(R.id.mcc);
TextView textMNC = (TextView)findViewById(R.id.mnc);
TextView textCID = (TextView)findViewById(R.id.cid);
TextView textLAC = (TextView)findViewById(R.id.lac);
TextView textGeo = (TextView)findViewById(R.id.geo);
TextView textRemark = (TextView)findViewById(R.id.remark);

Button btnViewMap = (Button)findViewById(R.id.viewmap);
btnViewMap.setOnClickListener(new Button.OnClickListener(){

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String stringLoc = "geo:" + openCellID.getLatitude() + "," + openCellID.getLongitude();

Toast.makeText(AndroidTelephonyManager.this, stringLoc, Toast.LENGTH_LONG).show();

Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse(stringLoc));
startActivity(intent);
}});

//retrieve a reference to an instance of TelephonyManager
TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
GsmCellLocation cellLocation = (GsmCellLocation)telephonyManager.getCellLocation();

String networkOperator = telephonyManager.getNetworkOperator();
String mcc = networkOperator.substring(0, 3);
String mnc = networkOperator.substring(3);
textMCC.setText("mcc: " + mcc);
textMNC.setText("mnc: " + mnc);

int cid = cellLocation.getCid();
int lac = cellLocation.getLac();
textGsmCellLocation.setText(cellLocation.toString());
textCID.setText("gsm cell id: " + String.valueOf(cid));
textLAC.setText("gsm location area code: " + String.valueOf(lac));

openCellID = new OpenCellID();

openCellID.setMcc(mcc);
openCellID.setMnc(mnc);
openCellID.setCallID(cid);
openCellID.setCallLac(lac);
try {
openCellID.GetOpenCellID();

if(!openCellID.isError()){
textGeo.setText(openCellID.getLocation());
textRemark.setText( "\n\n"
+ "URL sent: \n" + openCellID.getstrURLSent() + "\n\n"
+ "response: \n" + openCellID.GetOpenCellID_fullresult);
}else{
textGeo.setText("Error");
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
textGeo.setText("Exception: " + e.toString());
}
}
}


main.xml
<?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="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<TextView
android:id="@+id/gsmcelllocation"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/mcc"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/mnc"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/cid"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/lac"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/geo"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/remark"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/viewmap"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="View Map"
/>
</LinearLayout>


next:
- Start Google Maps using intent of ACTION_VIEW, with zoom level.


related post:
- Start Google Maps using intent with specified location

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