Android Open Source - WineDB Single Wine View Activity

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License

The source code is released under:
MIT License
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Java Source Code

package com.selesse.android.winedb.activity;
//  w  ww .j  a  v  a  2s.c  o  m
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import com.selesse.android.winedb.R;
import com.selesse.android.winedb.database.Wine;
import com.selesse.android.winedb.database.WineDatabaseHandler;
import com.selesse.android.winedb.model.RequestCode;

public class SingleWineViewActivity extends ActionBarActivity {
    private static final String TAG = SingleWineViewActivity.class.getSimpleName();
    private ViewPager viewPager;
    private Wine wine;

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

        int position = 0;

        Bundle args = getIntent().getExtras();
        if (args != null) {
            position = args.getInt("position", 0);
        }

        WineCollectionPagerAdapter wineCollectionPagerAdapter =
                new WineCollectionPagerAdapter(getSupportFragmentManager(), this);
        viewPager = (ViewPager) findViewById(R.id.wine_pager);
        viewPager.setAdapter(wineCollectionPagerAdapter);
        viewPager.setCurrentItem(position);

        // remove the icon from the ActionBar
        getSupportActionBar().setIcon(new ColorDrawable(android.R.color.transparent));
    }

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

        getSupportActionBar().setIcon(new ColorDrawable(android.R.color.transparent));
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.single_wine, menu);
        return true;
    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        long savedId = savedInstanceState.getLong("id");

        if (savedId != 0) {
            wine = WineDatabaseHandler.getInstance(this).getWine(savedId);
            Log.i(TAG, "Restoring " + wine.getName());
        }
    }


    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        if (wine != null && wine.getId() > 0) {
            Log.i(TAG, "Saving " + wine.getName());
            outState.putLong("id", wine.getId());
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (data != null) {
            viewPager.getAdapter().notifyDataSetChanged();
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        wine = WineDatabaseHandler.getInstance(this).getWineNumber(viewPager.getCurrentItem());
        Log.i(TAG, "Selected options for " + wine.getName());
        switch (item.getItemId()) {
            case R.id.edit_wine_button:
                Intent intent = new Intent(this, CreateOrEditWineActivity.class);
                intent.putExtra("id", wine.getId());
                startActivityForResult(intent, RequestCode.EDIT_WINE.ordinal());
                return true;
            case R.id.delete_wine_button:
                confirmDeleteDialog();
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    private void confirmDeleteDialog() {
        new AlertDialog.Builder(this).setIcon(android.R.drawable.ic_dialog_alert)
                .setTitle(R.string.confirm_delete).setMessage(R.string.confirm_delete_message)
                .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        WineDatabaseHandler.getInstance(getApplicationContext()).removeWine(wine);
                        viewPager.getAdapter().notifyDataSetChanged();
                        if (viewPager.getAdapter().getCount() == 0) {
                            finish();
                        }
                    }
                }).setNegativeButton(R.string.no, null).show();
    }
}
Java Source Code List
