Android Open Source - Android-Apps Instance Activity

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License

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

package com.kniezrec.xbmcgear.presentation;
/*from  w  w  w  .j  av a  2s . c o m*/
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.Toolbar;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.kniezrec.xbmcgear.R;
import com.kniezrec.xbmcgear.preferences.Host;
import com.kniezrec.xbmcgear.preferences.HostsDataSource;
import com.kniezrec.xbmcgear.preferences.SharedPreferencesUtil;

public class InstanceActivity extends ActionBarActivity implements AdapterView.OnItemClickListener {
    private ListView list;
    private ArrayAdapter<Host> adapter = null;
    private HostsDataSource dataSource = null;
    private int activeRow = -1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_instance);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_actionbar);
        if (toolbar != null) {
            setSupportActionBar(toolbar);
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        }
        dataSource = HostsDataSource.getInstance();
        adapter = new ArrayAdapter<Host>(this,
                android.R.layout.simple_list_item_single_choice,
                dataSource.getDbMirror());
        list = (ListView) findViewById(R.id.listInstances);
        list.setAdapter(adapter);
        if (adapter.getCount() == 1) {
            activeRow = 0;
        } else if (adapter.getCount() > 1) {
            activeRow = dataSource.getPosition(SharedPreferencesUtil
                    .getActiveID());
        }
        list.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
        list.setItemChecked(activeRow, true);
        list.setOnItemClickListener(this);
        registerForContextMenu(list);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_activity_instance, menu);
        return true;
    }

    @Override
    public void onResume() {
        super.onResume();
        adapter.notifyDataSetChanged();
        if (adapter.getCount() == 1) {
            activeRow = 0;
            Host h = adapter.getItem(0);
            SharedPreferencesUtil.changePreferences(h);
            list.setItemChecked(activeRow, true);
        } else if (adapter.getCount() == 0) {
            SharedPreferencesUtil.clear();
        }
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
                                    ContextMenuInfo menuInfo) {
        if (v.getId() == R.id.listInstances) {
            getMenuInflater().inflate(R.menu.context_menu, menu);
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        Intent intent;
        switch (item.getItemId()) {
            case android.R.id.home:
                super.onBackPressed();
                this.overridePendingTransition(R.anim.slideback, R.anim.soutback);
                break;
            case R.id.mi_new_host:
                intent = new Intent(InstanceActivity.this, HostSetActivity.class);
                InstanceActivity.this.startActivity(intent);
                this.overridePendingTransition(R.anim.slide, R.anim.sout);
                return true;
            case R.id.mi_search_nsd:
                intent = new Intent(InstanceActivity.this,
                        AutoConfigurationActivity.class);
                intent.putExtra(AutoConfigurationActivity.SHOW_HOME, true);
                InstanceActivity.this.startActivity(intent);
                InstanceActivity.this.overridePendingTransition(R.anim.slide,
                        R.anim.sout);
                break;
            default:
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            super.onBackPressed();
            this.overridePendingTransition(R.anim.slideback, R.anim.soutback);
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
                .getMenuInfo();
        switch (item.getItemId()) {
            case R.id.setActive:
                activeRow = info.position;
                Host h = adapter.getItem(activeRow);
                SharedPreferencesUtil.changePreferences(h);
                break;
            case R.id.deleteHost:
                dataSource.removeHost(adapter.getItem(info.position));
                adapter.notifyDataSetChanged();
                if (activeRow == info.position) {
                    if (adapter.getCount() == 0) {
                        SharedPreferencesUtil.clear();
                    } else {
                        SharedPreferencesUtil.changePreferences(adapter
                                .getItem(0));
                    }
                }
                activeRow = 0;
                break;
            default:
                return super.onContextItemSelected(item);
        }
        list.setItemChecked(activeRow, true);
        return true;
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        if (activeRow != position) {
            list.setItemChecked(activeRow, true);
        }
        Intent intent = new Intent(this, HostSetActivity.class);
        Host hostToSend = adapter.getItem(position);
        intent.putExtra(HostSetActivity.INSTANCE_NAME, hostToSend);
        startActivity(intent);
        overridePendingTransition(R.anim.slide, R.anim.sout);
    }
}
Java Source Code List
