Android Open Source - GeoPosts Main Activity

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Back to project page GeoPosts.

License

The source code is released under:

GNU General Public License

Java Source Code

package org.surrel.geoposts;
/*  w w w. j a  v a 2s.c om*/
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;

public class MainActivity extends Activity {

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.menu_logged_in, menu);
    return true;
  }

  @Override
  public void onBackPressed() {
    // Prevent going back when we landed on login screen.
    return;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
    switch (item.getItemId()) {
    case R.id.log_out:
      // Remove user settings
      Editor settings_editor = settings.edit();
      settings_editor.remove("user_id");
      settings_editor.remove("user_name");
      settings_editor.remove("user_email");
      settings_editor.apply();
      startActivity(new Intent(this, LogIn.class));
      return true;
    case R.id.preferences:
      Log.d("Menu", "Calling prefs");
      startActivity(new Intent(this, Preferences.class));
      return true;
    case R.id.refresh:
      Log.d("Menu", "Calling refresh");
      RequestTask rq = new RequestTask(getApplicationContext());
      settings.getInt("user_id", -1);
      rq.execute("updateDB");
      Log.d("Menu", "Called refresh");
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

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

    // We check if user already logged in
    Log.v("Act.login", "Autologin?");
    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
    Log.i("Act.login", "User ID = "+settings.getInt("user_id", -1));
    if(settings.getInt("user_id", -1) != -1)
    {
      Log.v("Act.login", "Yes, sir!");
      setContentView(R.layout.activity_main);
      // Test if Google Play Services installed
      int gps = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getApplicationContext());
      CharSequence text = "";
      int duration = Toast.LENGTH_LONG;
      switch(gps){
      case ConnectionResult.SUCCESS:
        text = "Google Play Services loaded";
        duration = Toast.LENGTH_SHORT;
        break;
      case ConnectionResult.SERVICE_MISSING:
        text = "Google Play Services missing";
        break;
      case ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED:
        text = "Google Play Services needs an update";
        break;
      case ConnectionResult.SERVICE_DISABLED:
        text = "Google Play Services disabled";
        break;
      case ConnectionResult.SERVICE_INVALID:
        text = "Google Play Services invalid";
        break;
      case ConnectionResult.DATE_INVALID:
        text = "Google Play Services date invalid";
        break;
      default:
        text = "Unknown result";
        break;
      }
      Toast toast = Toast.makeText(getApplicationContext(), text, duration);
      toast.show();
    }
    else
    {
      Log.v("Act.login", "LOL, no, back to login!");
      Intent toLogin = new Intent(this, LogIn.class);
      startActivity(toLogin);
    }
  }

  public void ViewMap(View view) {
    Intent viewmap = new Intent(this, ViewMap.class);
    startActivity(viewmap);
  }

  public void NewPost(View view) {
    Intent newpost = new Intent(this, NewGeopost.class);
    startActivity(newpost);
  }

  public void SetPreferences(View view) {
    Intent preferences = new Intent(this, Preferences.class);
    startActivity(preferences);
  }

  public void ViewPosts(View view) {
    Intent viewposts = new Intent(this, MyGeoposts.class);
    startActivity(viewposts);
  }

}

Java Source Code List

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