Android Open Source - OpenCmsMobile-AndroidApp Splash Activity

• Back to App/demo  ↑

From Project

Back to project page OpenCmsMobile-AndroidApp.

License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package cz.nelasoft.opencms.mobile;
/* ww  w .  j a v  a2  s .c  o m*/
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Locale;

import org.apache.http.HttpEntity;
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.json.JSONException;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

public class SplashActivity extends Activity {

  public static final String OPEN_CMS_SHARED_PREFERENCE = "OPEN_CMS_SHARED_PREFERENCE";
  public static final String OPEN_CMS_CONFIG = "OPEN_CMS_CONFIG";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_splash);
  }

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

    ProgressBar pb = (ProgressBar) findViewById(R.id.splashProgressBar);

    try {
      Config.initConfig(getResources());
      new DownloadConfig(pb).execute(Config.getConfigUrl() + "?lang=" + Locale.getDefault().getLanguage());
    } catch (Throwable e) {
      Log.e("OpenMobile", e.getMessage(), e);
    }
  }

  public void storeConfigToStorage(String data) {
    SharedPreferences settings = getSharedPreferences(OPEN_CMS_SHARED_PREFERENCE, 0);
    SharedPreferences.Editor editor = settings.edit();
    editor.putString(OPEN_CMS_CONFIG, data);
    editor.commit();
  }

  public String getConfigFromStorage() {
    SharedPreferences settings = getSharedPreferences(OPEN_CMS_SHARED_PREFERENCE, 0);
    return settings.getString(OPEN_CMS_CONFIG, Config.getDefaultConfigJson());
  }

  private class DownloadConfig extends AsyncTask<String, Integer, String> {

    private ProgressBar progressBar;
    private long startTime;

    public DownloadConfig(ProgressBar progressBar) {
      super();
      this.progressBar = progressBar;
    }

    protected String doInBackground(String... urls) {
      HttpClient httpclient = new DefaultHttpClient();
      HttpGet httpget = new HttpGet(urls[0]);
      HttpResponse response;
      String result = null;
      try {
        response = httpclient.execute(httpget);

        HttpEntity entity = response.getEntity();
        if (entity != null) {
          long length = entity.getContentLength();
          InputStream is = new BufferedInputStream(entity.getContent());
          try {

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            byte data[] = new byte[1024];
            long total = 0;
            int count;
            while ((count = is.read(data)) != -1) {
              total += count;
              // publishing the progress....
              int progressLoad = (int) (length * 100 / total);
              int progressTime = (int) (System.currentTimeMillis() - startTime * 100 / (Config.getSplashDisplayLength()));
              int progress;
              if (progressTime <= 50) {
                progress = progressTime;
              } else {
                progress = Math.min(progressLoad, progressTime);
              }
              publishProgress(progress);
              baos.write(data, 0, count);
            }

            result = new String(baos.toByteArray(), "UTF-8");

            Config.setDefaultConfigJson(result);
            storeConfigToStorage(result);

            long currentTime;
            while ((currentTime = System.currentTimeMillis() - startTime) < Config.getSplashDisplayLength()) {
              Thread.sleep(100);
              int progressTime = (int) (currentTime * 100 / (Config.getSplashDisplayLength()));
              publishProgress(progressTime);
            }
            publishProgress(100);

          } finally {
            try {
              is.close();
            } catch (IOException e) {
              e.printStackTrace();
            }
          }
        }
      } catch (Throwable e) {

        SplashActivity.this.runOnUiThread(new Runnable() {

          @Override
          public void run() {

            Toast.makeText(SplashActivity.this.getBaseContext(), R.string.err_download_config, Toast.LENGTH_SHORT).show();
          }
        });

        Log.e("OpenMobile", "Cannot download configuration", e);
        try {
          Config.setDefaultConfigJson(getConfigFromStorage());
        } catch (JSONException e1) {
        }
      }
      return result;
    }

    @Override
    protected void onPreExecute() {
      super.onPreExecute();
      progressBar.setVisibility(View.VISIBLE);
      startTime = System.currentTimeMillis();
    }

    @Override
    protected void onPostExecute(String result) {
      super.onPostExecute(result);

      SplashActivity.this.finish();
      // Create an Intent that will start the main activity.
      Intent mainIntent = new Intent(SplashActivity.this, MainActivity.class);
      DownloadManager.cleanCache();
      SplashActivity.this.startActivity(mainIntent);
    }

    @Override
    protected void onProgressUpdate(Integer... values) {
      super.onProgressUpdate(values);
      progressBar.setProgress(values[0]);
    }
  }
}

Java Source Code List

• Back to App/demo  ↑