gistfile1.txt

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import com.mydietitian.android.MDApplication;
import com.mydietitian.android.R;
import com.mydietitian.android.utils.DialogHelper;
import com.mydietitian.android.utils.DialogType;
import com.mydietitian.android.utils.Network;
import com.mydietitian.android.utils.SessionManager;
import retrofit.client.Response;

/**
 * User: jpotts
 * Date: 8/28/13
 * Time: 9:03 PM
 */

public abstract class AbstractActivity extends Activity {

    protected static final String TAG = AbstractActivity.class.getSimpleName();
    private ProgressDialog mProgressDialog;
    private boolean destroyed;
    public MDApplication mApp;
    public boolean mNetworkIsAvailable = false;
    public boolean mUserSessionIsVerified = false;
    public String mAuthHeader;
    public String mApiVersion;

    // ***************************************
    // Activity methods
    // ***************************************

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

        mApp = (MDApplication) getApplication();

        verifyConnectivity();
        verifySession();

        if(mUserSessionIsVerified){
            mAuthHeader = SessionManager.getInstance(this).getAuthorizationHeader();
            mApiVersion = getResources().getString(R.string.api_version);
        }

    }

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

    // ***************************************
    // Public methods
    // ***************************************

    private void verifyConnectivity(){
        mNetworkIsAvailable = Network.isOnline(this);
    }

    private void verifySession(){
        mUserSessionIsVerified = SessionManager.getInstance(this).verifySession();
    }

    public void launchNetworkingDialog(){
        DialogHelper.makeDialog(this, DialogType.NETWORK, null);
    }

    public void launchErrorDialog(){
        DialogHelper.makeDialog(this, DialogType.ERROR, null);
    }

    public void launchErrorDialog(String message){
        DialogHelper.makeDialog(this, DialogType.ERROR, message, null);
    }

    public void launchMaintenanceDialog(){
        DialogHelper.makeDialog(this, DialogType.MAINTENANCE, null);
    }
    public void launchInfoDialog(){
        DialogHelper.makeDialog(this, DialogType.INFO, null);
    }

    public void launchInfoDialog(String message){

    }

    public void showLoadingProgressDialog() {
        this.showProgressDialog("Loading. Please wait...");
    }

    public void showProgressDialog(CharSequence message) {
        if (mProgressDialog == null) {
            mProgressDialog = new ProgressDialog(this);
            mProgressDialog.setIndeterminate(true);
        }

        mProgressDialog.setMessage(message);
        mProgressDialog.show();
    }

    public void dismissProgressDialog() {
        if (mProgressDialog != null && !destroyed) {
            mProgressDialog.dismiss();
        }
    }
    // TODO How should I handle the errors
    public void processErrors(Response response, Object body){
        switch (response.getStatus()){
            case 401:
                mUserSessionIsVerified = false;
                break;
            case 403:
                launchErrorDialog("Sorry you don't have access to do that");
                break;
            case 422:
                launchErrorDialog();
                break;
            case 500:
                launchMaintenanceDialog();
            default:
                break;
        }

    }

}