Android Open Source - geopin Abstract Map Activity

• Back to Map/Direction  ↑

From Project

Back to project page geopin.

License

The source code is released under:

MIT License

Java Source Code

package gr.upatras.ceid.geopin.maps;
/*from ww  w .  java  2s .co m*/
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;

import gr.upatras.ceid.geopin.R;

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main_map, menu);
        return(super.onCreateOptionsMenu(menu));
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            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();
            }
        }
    }

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

• Back to Map/Direction  ↑