Android Open Source - Arvutaja Abstract Recognizer Activity

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Back to project page Arvutaja.

License

The source code is released under:

Apache License

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Java Source Code

package ee.ioc.phon.android.arvutaja;
//w w  w . j a v  a2 s  .  c o m
/*
 * Copyright 2011-2013, Institute of Cybernetics at Tallinn University of Technology
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.widget.Toast;

/**
 * 
 * @author Kaarel Kaljurand
 */
public abstract class AbstractRecognizerActivity extends Activity {

  /**
   * Launches an activity which the user probably does not want to see
   * if he presses HOME while in this activity and then starts Arvutaja again
   * from the launcher.
   */
  public void startForeignActivity(Intent intent) {
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
    startActivity(intent);
  }

  public String getVersionName() {
    return Utils.getVersionName(this);
  }


  protected List<ResolveInfo> getIntentActivities(Intent intent) {
    PackageManager pm = getPackageManager();
    List<ResolveInfo> activities = pm.queryIntentActivities(intent, 0);
    return activities;
  }


  protected void toast(String message) {
    Toast.makeText(getApplicationContext(), message, Toast.LENGTH_LONG).show();
  }


  public void showErrorDialog(int msg) {
    new AlertDialog.Builder(this)
    .setPositiveButton(getString(R.string.buttonOk), new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
        dialog.cancel();
      }
    })
    .setTitle(R.string.error)
    .setMessage(msg)
    .create()
    .show();
  }
}

Java Source Code List