Android Open Source - downtown Abstract Map Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.dklisiaris.downtown.maps;
/*from  w w w.  j  a  v a 2  s. c  o m*/
import org.dklisiaris.downtown.R;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.pm.FeatureInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

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

public class AbstractMapActivity extends ActionBarActivity {
  protected static final String TAG_ERROR_DIALOG_FRAGMENT="errorDialog";

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu_general, menu);

    return(super.onCreateOptionsMenu(menu));
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    /*if (item.getItemId() == R.id.legal) {
      startActivity(new Intent(this, LegalNoticesActivity.class));

      return(true);
    }*/

    return super.onOptionsItemSelected(item);
  }

  protected boolean readyToGo() {
    int status=
        GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);

    if (status == ConnectionResult.SUCCESS) {
      if (getVersionFromPackageManager(this) >= 2) {
        return(true);
      }
      else {
        Toast.makeText(this, R.string.no_maps, Toast.LENGTH_LONG).show();
        finish();
      }
    }
    else if (GooglePlayServicesUtil.isUserRecoverableError(status)) {
      ErrorDialogFragment.newInstance(status)
                         .show(getSupportFragmentManager(),
                               TAG_ERROR_DIALOG_FRAGMENT);
    }
    else {
      Toast.makeText(this, R.string.no_maps, Toast.LENGTH_LONG).show();
      finish();
    }

    return(false);
  }

  public static class ErrorDialogFragment extends DialogFragment {
    static final String ARG_STATUS="status";

    static ErrorDialogFragment newInstance(int status) {
      Bundle args=new Bundle();

      args.putInt(ARG_STATUS, status);

      ErrorDialogFragment result=new ErrorDialogFragment();

      result.setArguments(args);

      return(result);
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
      Bundle args=getArguments();

      return GooglePlayServicesUtil.getErrorDialog(args.getInt(ARG_STATUS),
                                                   getActivity(), 0);
    }

    @Override
    public void onDismiss(DialogInterface dlg) {
      if (getActivity() != null) {
        getActivity().finish();
      }
    }
  }

  // following from
  // https://android.googlesource.com/platform/cts/+/master/tests/tests/graphics/src/android/opengl/cts/OpenGlEsVersionTest.java

  /*
   * Copyright (C) 2010 The Android Open Source Project
   * 
   * 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.
   */

  private static int getVersionFromPackageManager(Context context) {
    PackageManager packageManager=context.getPackageManager();
    FeatureInfo[] featureInfos=
        packageManager.getSystemAvailableFeatures();
    if (featureInfos != null && featureInfos.length > 0) {
      for (FeatureInfo featureInfo : featureInfos) {
        // Null feature name means this feature is the open
        // gl es version feature.
        if (featureInfo.name == null) {
          if (featureInfo.reqGlEsVersion != FeatureInfo.GL_ES_VERSION_UNDEFINED) {
            return getMajorVersion(featureInfo.reqGlEsVersion);
          }
          else {
            return 1; // Lack of property means OpenGL ES
                      // version 1
          }
        }
      }
    }
    return 1;
  }

  /** @see FeatureInfo#getGlEsVersion() */
  private static int getMajorVersion(int glEsVersion) {
    return((glEsVersion & 0xffff0000) >> 16);
  }
}

Java Source Code List

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