Example usage for android.app LoaderManager initLoader

Introduction

In this page you can find the example usage for android.app LoaderManager initLoader.

Prototype

public abstract <D> Loader<D> initLoader(int id, Bundle args, LoaderManager.LoaderCallbacks<D> callback);

Source Link

Document

Ensures a loader is initialized and active.

Usage

From source file:com.example.android.newsapp.NewsActivity.java

public void updateUi() {
    ListView newsListView = (ListView) findViewById(R.id.list);

    mEmptyStateTextView = (TextView) findViewById(R.id.empty_view);
    newsListView.setEmptyView(mEmptyStateTextView);

    mAdapter = new NewsAdapter(this, new ArrayList<NewsEvent>());

    newsListView.setAdapter(mAdapter);/*  ww w  .  j a v a 2 s  .c o m*/

    newsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
            NewsEvent currentNewsEvent = mAdapter.getItem(position);

            Uri currentNewsEventUri = Uri.parse(currentNewsEvent.getUrl());

            Intent websiteIntent = new Intent(Intent.ACTION_VIEW, currentNewsEventUri);

            startActivity(websiteIntent);
        }
    });

    ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();

    if (networkInfo != null && networkInfo.isConnected()) {
        LoaderManager loaderManager = getLoaderManager();
        loaderManager.initLoader(NEWS_LOADER_ID, null, this);
    } else {
        View loadingIndicator = findViewById(R.id.loading_indicator);
        loadingIndicator.setVisibility(View.GONE);

        mEmptyStateTextView.setText(R.string.no_internet_connection);
    }
}

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From source file:ph.devcon.android.news.service.NewsServiceImpl.java

@Override
public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<News>>() {
        @Override/*from  w w w.j  a  v a2s .  c  o  m*/
        public Loader<List<News>> onCreateLoader(int id, Bundle args) {
            try {
                return new OrmliteListLoader(context, newsDao, newsDao.queryBuilder().prepare());
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        public void onLoadFinished(Loader<List<News>> loader, List<News> data) {
            if (data != null) {
                eventBus.post(new FetchedNewsListEvent(data));
            } else {
                eventBus.post(new FetchedNewsListFailedEvent());
            }
        }

        @Override
        public void onLoaderReset(Loader<List<News>> loader) {
        }
    });
}

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From source file:ph.devcon.android.program.service.ProgramServiceImpl.java

public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<Program>>() {
        @Override//w ww.  j  av a2  s  .c  om
        public Loader<List<Program>> onCreateLoader(int id, Bundle args) {
            try {
                return new OrmliteListLoader(context, programDao, programDao.queryBuilder().prepare());
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        public void onLoadFinished(Loader<List<Program>> loader, List<Program> data) {
            if (data != null) {
                eventBus.post(new FetchedProgramListEvent(data));
            } else {
                eventBus.post(new FetchedProgramListFailedEvent());
            }
        }

        @Override
        public void onLoaderReset(Loader<List<Program>> loader) {
        }
    });
}

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From source file:ph.devcon.android.sponsor.service.SponsorServiceImpl.java

public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<Sponsor>>() {
        @Override//  w w w.java2 s .c  o m
        public Loader<List<Sponsor>> onCreateLoader(int id, Bundle args) {
            try {
                return new OrmliteListLoader(context, sponsorDao, sponsorDao.queryBuilder().prepare());
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        public void onLoadFinished(Loader<List<Sponsor>> loader, List<Sponsor> data) {
            if (data != null) {
                eventBus.postSticky(new FetchedSponsorListEvent(data));
            } else {
                eventBus.postSticky(new FetchedSponsorListFailedEvent());
            }
        }

        @Override
        public void onLoaderReset(Loader<List<Sponsor>> loader) {
        }
    });
}

---

From source file:ph.devcon.android.news.service.NewsServiceImpl.java

@Override
public void populateFromCache(android.support.v4.app.LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState,
            new android.support.v4.app.LoaderManager.LoaderCallbacks<List<News>>() {
                @Override//from www .ja  va  2  s  .  c  o  m
                public android.support.v4.content.Loader<List<News>> onCreateLoader(int id, Bundle args) {
                    try {
                        return new OrmliteListLoaderSupport<News, Integer>(context, newsDao,
                                newsDao.queryBuilder().prepare());
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    return null;
                }

                @Override
                public void onLoadFinished(android.support.v4.content.Loader<List<News>> loader,
                        List<News> data) {
                    if (data != null) {
                        eventBus.post(new FetchedNewsListEvent(data));
                    } else {
                        eventBus.post(new FetchedNewsListFailedEvent());
                    }
                }

                @Override
                public void onLoaderReset(android.support.v4.content.Loader<List<News>> loader) {
                }
            });
}

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From source file:ph.devcon.android.attendee.service.AttendeeServiceImpl.java

public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<Attendee>>() {
        @Override//from   w w  w.j ava  2 s.co m
        public Loader<List<Attendee>> onCreateLoader(int id, Bundle args) {
            try {
                return new OrmliteListLoader(context, attendeeDao, attendeeDao.queryBuilder().prepare());
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        public void onLoadFinished(Loader<List<Attendee>> loader, List<Attendee> data) {
            if (data != null) {
                eventBus.post(new FetchedAttendeeListEvent(data));
            } else {
                eventBus.post(new FetchedAttendeeListFailedEvent());
            }
        }

        @Override
        public void onLoaderReset(Loader<List<Attendee>> loader) {
        }
    });
}

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From source file:ph.devcon.android.program.service.ProgramServiceImpl.java

@Override
public void populateFromCache(android.support.v4.app.LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState,
            new android.support.v4.app.LoaderManager.LoaderCallbacks<List<Program>>() {
                @Override//ww  w  .  j ava2 s. c  om
                public android.support.v4.content.Loader<List<Program>> onCreateLoader(int id, Bundle args) {
                    try {
                        return new OrmliteListLoaderSupport<Program, Integer>(context, programDao,
                                programDao.queryBuilder().prepare());
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    return null;
                }

                @Override
                public void onLoadFinished(android.support.v4.content.Loader<List<Program>> loader,
                        List<Program> data) {
                    if (data != null) {
                        eventBus.post(new FetchedProgramListEvent(data));
                    } else {
                        eventBus.post(new FetchedProgramListFailedEvent());
                    }
                }

                @Override
                public void onLoaderReset(android.support.v4.content.Loader<List<Program>> loader) {
                }
            });
}

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From source file:ph.devcon.android.profile.service.ProfileServiceImpl.java

public void populateFromCache(LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState, new LoaderManager.LoaderCallbacks<List<Profile>>() {
        @Override//from   w ww  .  j a  va 2 s  .c  om
        public Loader<List<Profile>> onCreateLoader(int id, Bundle args) {
            try {
                return new OrmliteListLoader(context, profileDao, profileDao.queryBuilder().prepare());
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        public void onLoadFinished(Loader<List<Profile>> loader, List<Profile> data) {
            if ((data != null) && (data.size() > 0)) {
                eventBus.post(new FetchedProfileEvent(data.get(0)));
            } else {
                eventBus.post(new FetchedProfileFailedEvent("Cache was empty.."));
            }
        }

        @Override
        public void onLoaderReset(Loader<List<Profile>> loader) {
        }
    });
}

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From source file:ph.devcon.android.sponsor.service.SponsorServiceImpl.java

@Override
public void populateFromCache(android.support.v4.app.LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState,
            new android.support.v4.app.LoaderManager.LoaderCallbacks<List<Sponsor>>() {
                @Override//w w w. ja  va  2  s .c o  m
                public android.support.v4.content.Loader<List<Sponsor>> onCreateLoader(int id, Bundle args) {
                    try {
                        return new OrmliteListLoaderSupport<Sponsor, Integer>(context, sponsorDao,
                                sponsorDao.queryBuilder().prepare());
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    return null;
                }

                @Override
                public void onLoadFinished(android.support.v4.content.Loader<List<Sponsor>> loader,
                        List<Sponsor> data) {
                    if (data != null) {
                        eventBus.postSticky(new FetchedSponsorListEvent(data));
                    } else {
                        eventBus.postSticky(new FetchedSponsorListFailedEvent());
                    }
                }

                @Override
                public void onLoaderReset(android.support.v4.content.Loader<List<Sponsor>> loader) {
                }
            });
}

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From source file:ph.devcon.android.attendee.service.AttendeeServiceImpl.java

@Override
public void populateFromCache(android.support.v4.app.LoaderManager loaderManager, Bundle savedInstanceState) {
    loaderManager.initLoader(0, savedInstanceState,
            new android.support.v4.app.LoaderManager.LoaderCallbacks<List<Attendee>>() {
                @Override//ww  w . j  a  va 2 s  .  c  o  m
                public android.support.v4.content.Loader<List<Attendee>> onCreateLoader(int id, Bundle args) {
                    try {
                        return new OrmliteListLoaderSupport(context, attendeeDao,
                                attendeeDao.queryBuilder().prepare());
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                    return null;
                }

                @Override
                public void onLoadFinished(android.support.v4.content.Loader<List<Attendee>> loader,
                        List<Attendee> data) {
                    if (data != null) {
                        eventBus.post(new FetchedAttendeeListEvent(data));
                    } else {
                        eventBus.post(new FetchedAttendeeListFailedEvent());
                    }
                }

                @Override
                public void onLoaderReset(android.support.v4.content.Loader<List<Attendee>> loader) {
                }
            });
}

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