es.pentalo.apps.RBPiCameraControl.MainActivity.java Source code

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Here is the source code for es.pentalo.apps.RBPiCameraControl.MainActivity.java

Source

/*
 *
 *  Copyright (C) Roberto Calvo Palomino
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/. 
 *
 *  Author : Roberto Calvo Palomino <rocapal at gmail dot com>
 *
 */

package es.pentalo.apps.RBPiCameraControl;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.view.PagerTabStrip;
import android.support.v4.view.ViewPager;
import android.util.DisplayMetrics;
import android.util.Log;
import android.widget.EditText;
import android.widget.Toast;
import es.rocapal.utils.Download.DownloadTextFileAsyncTask;
import es.rocapal.utils.Download.IDownloadTextFileAsyncTask;

public class MainActivity extends Activity implements IDownloadTextFileAsyncTask {

    private String TAG = getClass().getSimpleName();
    private SharedPreferences prefs;

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

    public void showAlertDialog(Boolean showAlways) {

        prefs = PreferenceManager.getDefaultSharedPreferences(this);
        String ipCam = prefs.getString(Constants.KEY_PREF_RBPI_IP, null);
        if (ipCam != null)
            Log.d(TAG, ipCam);

        if (ipCam == null || showAlways) {
            AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);

            final EditText input = new EditText(this);
            if (ipCam != null)
                input.setText(ipCam);

            alertDialogBuilder.setView(input);

            alertDialogBuilder.setTitle(getString(R.string.dialog_title_rbpi_ip));

            alertDialogBuilder.setMessage(getString(R.string.dialog_message_rbpi_ip)).setCancelable(false)
                    .setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {

                            Editor edit = prefs.edit();
                            edit.putString(Constants.KEY_PREF_RBPI_IP, input.getText().toString());
                            edit.putString(Constants.KEY_PREF_RBPI_URL,
                                    "http://" + input.getText().toString() + "/");
                            edit.commit();

                            checkConnection();
                        }
                    }).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {

                            dialog.cancel();
                            MainActivity.this.finish();
                        }
                    });

            AlertDialog alertDialog = alertDialogBuilder.create();
            alertDialog.show();
        } else
            initApp();

    }

    private void checkConnection() {
        String urlCam = prefs.getString(Constants.KEY_PREF_RBPI_URL, null);

        DownloadTextFileAsyncTask myTask = new DownloadTextFileAsyncTask(this, getString(R.string.pd_title_check),
                getString(R.string.pd_message_check));
        myTask.setListener(this);
        myTask.execute(Uri.parse(urlCam + "api/photo/params/"));
    }

    private void initApp() {
        ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
        PagerTabStrip pagerTabStrip = (PagerTabStrip) findViewById(R.id.pager_tab_strip);

        DisplayMetrics metrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(metrics);
        float scaleFactor = metrics.density;

        int widthInPixels = metrics.widthPixels;
        int heightInPixels = metrics.heightPixels;

        float widthDp = widthInPixels / scaleFactor;
        float heightDp = heightInPixels / scaleFactor;

        float smallestWidth = Math.min(widthDp, heightDp);

        if (smallestWidth < 600) {

            MyFragmentPagerAdapterMobile fragmentPagerAdapter = new MyFragmentPagerAdapterMobile(
                    getFragmentManager());

            viewPager.setAdapter(fragmentPagerAdapter);
            viewPager.setOffscreenPageLimit(5);
            pagerTabStrip.setDrawFullUnderline(true);
            pagerTabStrip.setTabIndicatorColor(Color.DKGRAY);
        } else {
            MyFragmentPagerAdapter fragmentPagerAdapter = new MyFragmentPagerAdapter(getFragmentManager());

            viewPager.setAdapter(fragmentPagerAdapter);
            viewPager.setOffscreenPageLimit(5);
            pagerTabStrip.setDrawFullUnderline(true);
            pagerTabStrip.setTabIndicatorColor(Color.DKGRAY);
        }

    }

    @Override
    public void downloadedSuccessfully(Object data) {
        initApp();

    }

    @Override
    public void downloadFailed(Object response) {
        Toast.makeText(this, getString(R.string.toast_error_check_connection), Toast.LENGTH_SHORT).show();
        showAlertDialog(true);
    }

}