Android Open Source - android-sms-gateway Main Activity

• Back to SMS/gateway  ↑

From Project

Back to project page android-sms-gateway.

License

The source code is released under:

Apache License

Java Source Code

package com.anjlab.android.smsgateway.gcm;
//from   ww w.  j  a  v a  2s . c om
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.gcm.GoogleCloudMessaging;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;

import java.io.IOException;

public class MainActivity extends Activity {

  public static final String EXTRA_MESSAGE = "message";
  public static final String PROPERTY_REG_ID = "registration_id";
  public static final String PROPERTY_SENDER_ID = "sender_id";
  private static final String PROPERTY_APP_VERSION = "appVersion";
  private static final int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
  static final String TAG = "SMS Gateway";

  GoogleCloudMessaging gcm;
  String regid;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    
    findViewById(R.id.send).setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("text/plain");
        intent.putExtra(Intent.EXTRA_SUBJECT, "Your Android SMS Gateway Registration ID");
        intent.putExtra(Intent.EXTRA_TEXT, regid);
        startActivity(Intent.createChooser(intent, "Send Email"));
      }
    });
    findViewById(R.id.save).setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {
        TextView view = (TextView) findViewById(R.id.senderIdInputView);
        storeSenderId(view.getText().toString());
        registerInBackground();
      }
    });

    // Check device for Play Services APK. If check succeeds, proceed with GCM registration.
    if (checkPlayServices()) {
      gcm = GoogleCloudMessaging.getInstance(this);
      regid = getRegistrationId(getApplicationContext());

      if (regid.length() == 0)
      {
        findViewById(R.id.send).setVisibility(View.INVISIBLE);
        setStatusText("");
      }
      else
        findViewById(R.id.senderIdPanel).setVisibility(View.GONE);
    } 
    else {
      Log.i(TAG, "No valid Google Play Services APK found.");
      finish();
    }
  }

  @Override
  protected void onResume() {
    super.onResume();

    checkPlayServices();
  }

  private boolean checkPlayServices() {
    int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
    if (resultCode != ConnectionResult.SUCCESS) {
      if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
        GooglePlayServicesUtil.getErrorDialog(resultCode, this, PLAY_SERVICES_RESOLUTION_REQUEST).show();
      } else {
        Log.i(TAG, "This device is not supported.");
        finish();
      }
      return false;
    }
    return true;
  }

  private void storeRegistrationId(Context context, String regId) {
    final SharedPreferences prefs = getGcmPreferences();
    int appVersion = getAppVersion(context);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putString(PROPERTY_REG_ID, regId);
    editor.putInt(PROPERTY_APP_VERSION, appVersion);
    editor.commit();
  }

  private String getRegistrationId(Context context) {
    final SharedPreferences prefs = getGcmPreferences();
    String registrationId = prefs.getString(PROPERTY_REG_ID, "");
    if (registrationId.length() == 0) {
      Log.i(TAG, "Registration not found.");
      return "";
    }
    // Check if app was updated; if so, it must clear the registration ID
    // since the existing regID is not guaranteed to work with the new
    // app version.
    int registeredVersion = prefs.getInt(PROPERTY_APP_VERSION, Integer.MIN_VALUE);
    int currentVersion = getAppVersion(context);
    if (registeredVersion != currentVersion) {
      Log.i(TAG, "App version changed.");
      return "";
    }
    return registrationId;
  }

  private String getSenderId() {
    return getGcmPreferences().getString(PROPERTY_SENDER_ID, "");
  }

  private void storeSenderId(String senderId) {
    final SharedPreferences prefs = getGcmPreferences();
    SharedPreferences.Editor editor = prefs.edit();
    editor.putString(PROPERTY_SENDER_ID, senderId);
    editor.commit();
  }

  private void registerInBackground() {
    new AsyncTask<Void, Void, String>() {
      @Override
      protected String doInBackground(Void... params) {
        String msg = "";
        try {
          if (gcm == null)
            gcm = GoogleCloudMessaging.getInstance(getApplicationContext());
          regid = gcm.register(getSenderId());
          msg = "Device registered, Registration ID=" + regid;
          storeRegistrationId(getApplicationContext(), regid);
        } 
        catch (IOException ex) {
          msg = "Error: " + ex.getMessage();
        }
        return msg;
      }

      @Override
      protected void onPostExecute(final String msg) {
        runOnUiThread(new Runnable() {

          @Override
          public void run() {
            setStatusText(msg);
            if (regid != null && regid.length() > 0) {
              findViewById(R.id.send).setVisibility(View.VISIBLE);
              findViewById(R.id.senderIdPanel).setVisibility(View.GONE);
            }
          }
        });
        
      }
    }.execute(null, null, null);
  }

  private void setStatusText(String msg) {
    TextView textView = (TextView) findViewById(R.id.display);
    textView.setText(msg);
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
  }

  private static int getAppVersion(Context context) {
    try {
      PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
      return packageInfo.versionCode;
    } catch (NameNotFoundException e) {
      throw new RuntimeException("Could not get package name: " + e);
    }
  }

  private SharedPreferences getGcmPreferences() {
    return getSharedPreferences(MainActivity.class.getSimpleName(), Context.MODE_PRIVATE);
  }
}

Java Source Code List

• Back to SMS/gateway  ↑