package com.apnatutorials.android_device_info;
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
public static final int REQUEST_CODE_PHONE_STATE_READ = 100;
private int checkedPermission = PackageManager.PERMISSION_DENIED;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
checkedPermission = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE);
if (Build.VERSION.SDK_INT >= 23 && checkedPermission != PackageManager.PERMISSION_GRANTED) {
requestPermission();
} else
checkedPermission = PackageManager.PERMISSION_GRANTED;
}
private void requestPermission() {
Toast.makeText(MainActivity.this, "Requesting permission", Toast.LENGTH_SHORT).show();
this.requestPermissions(new String[]{Manifest.permission.READ_PHONE_STATE},
REQUEST_CODE_PHONE_STATE_READ);
}
/**
* Method will be use to show device info
*
* @param v
*/
public void showDeviceInfo(View v) {
TelephonyManager manager = (TelephonyManager) getSystemService(this.TELEPHONY_SERVICE);
AlertDialog.Builder dBuilder = new AlertDialog.Builder(this);
StringBuilder stringBuilder = new StringBuilder();
if (checkedPermission != PackageManager.PERMISSION_DENIED) {
dBuilder.setTitle("Device Info");
// Name of underlying board like "GoldFish"
stringBuilder.append("Board : " + Build.BOARD + "\n");
// The consumer-visible brand with which the product/hardware will be associated, if any.
stringBuilder.append("Brand : " + Build.BRAND + "\n");
// The name of the industrial design.
stringBuilder.append("DEVICE : " + Build.DEVICE + "\n");
// A build ID string meant for displaying to the user
stringBuilder.append("Display : " + Build.DISPLAY + "\n");
// A string that uniquely identifies this build.
stringBuilder.append("FINGERPRINT : " + Build.FINGERPRINT + "\n");
// The name of the hardware
stringBuilder.append("HARDWARE : " + Build.HARDWARE + "\n");
// either a changelist number, or a label like "M4-rc20".
stringBuilder.append("ID : " + Build.ID + "\n");
// The manufacturer of the product/hardware.
stringBuilder.append("Manufacturer : " + Build.MANUFACTURER + "\n");
// The end-user-visible name for the end product.
stringBuilder.append("MODEL : " + Build.MODEL + "\n");
// A hardware serial number, if available.
stringBuilder.append("SERIAL : " + Build.SERIAL + "\n");
// The user-visible SDK version of the framework; its possible values are defined in Build.VERSION_CODES.
stringBuilder.append("VERSION : " + Build.VERSION.SDK_INT + "\n");
// Returns the phone number string for line 1, for example, the MSISDN for a GSM phone.
// Return null if it is unavailable
stringBuilder.append("Line 1 : " + manager.getLine1Number() + "\n");
// Returns the unique device ID, for example, the IMEI for GSM and the MEID or ESN for CDMA phones.
// Return null if device ID is not available.
stringBuilder.append("Device ID/IMEI : " + manager.getDeviceId() + "\n");
// Returns the unique subscriber ID, for example,
// the IMSI for a GSM phone. Return null if it is unavailable.
stringBuilder.append("IMSI : " + manager.getSubscriberId());
} else {
dBuilder.setTitle("Permission denied");
stringBuilder.append("Can't access device info !");
}
dBuilder.setMessage(stringBuilder);
dBuilder.show();
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_PHONE_STATE_READ:
if (grantResults.length > 0 && grantResults[0]== PackageManager.PERMISSION_GRANTED ) {
checkedPermission = PackageManager.PERMISSION_GRANTED;
}
break;
}
}
}
