Examples with LoaderManager android.support.v4.app.LoaderManager used on opensource projects

Example 1 with LoaderManager

use of android.support.v4.app.LoaderManager in project AndroidTraining by mixi-inc.

the class MainActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    // ローダの管理をするオブジェクト
    LoaderManager manager = getSupportLoaderManager();
    Bundle argsForLoader = new Bundle();
    // ローダを初期化して非同期処理を開始する
    manager.initLoader(0, argsForLoader, MainActivity.this);
}

Example 2 with LoaderManager

use of android.support.v4.app.LoaderManager in project enroscar by stanfy.

the class LoaderSetTest method shouldWaitFor3Requests.

@Ignore
@Test
public void shouldWaitFor3Requests() throws Throwable {
    // enqueue
    getWebServer().enqueue(new MockResponse().setBody("R1"));
    getWebServer().enqueue(new MockResponse().setBody("R2"));
    getWebServer().enqueue(new MockResponse().setBody("R3"));
    final URL url = getWebServer().getUrl("/");
    final Fragment fragment = createFragment();
    final LoaderManager loaderManager = fragment.getLoaderManager();
    assertThat(loaderManager).isNotNull();
    final CountDownLatch waiter = new CountDownLatch(1);
    // describe loader
    final LoaderSet set = LoaderSet.build(getApplication()).withManager(loaderManager).withCallbacks(new LoaderSet.SetCallbacksAdapter<ResponseData<String>>() {

        @Override
        public Loader<ResponseData<String>> onCreateLoader(final int id, final Bundle args) {
            return new MyRequestBuilder<String>(getApplication()) {
            }.setUrl(url.toString()).setFormat("string").getLoader();
        }
    }, 1).withCallbacks(new LoaderSet.SetCallbacksAdapter<ResponseData<String>>() {

        @Override
        public Loader<ResponseData<String>> onCreateLoader(final int id, final Bundle args) {
            return new MyRequestBuilder<String>(getApplication()) {
            }.setUrl(url.toString()).setFormat("string").getLoader();
        }
    }, 2, 3).create();
    final LoaderSet.LoaderSetCallback callbacks = new LoaderSet.LoaderSetCallback() {

        @Override
        public void onLoadFinished(final Object[] data) {
            Log.i("ChainTest", Arrays.toString(data));
            waiter.countDown();
        }
    };
    set.init(null, callbacks);
    // TODO finish it
    waitAndAssert(new Waiter<Object[]>() {

        @Override
        public Object[] waitForData() {
            try {
                waiter.await(2, TimeUnit.SECONDS);
                return LoaderSetAccess.getResults(set);
            } catch (final InterruptedException e) {
                return null;
            }
        }
    }, new Asserter<Object[]>() {

        @SuppressWarnings("unchecked")
        @Override
        public void makeAssertions(final Object[] data) throws Exception {
            assertThat(data.length).isEqualTo(3);
            assertThat(((ResponseData<String>) data[0]).getModel()).isEqualTo("R1");
            assertThat(((ResponseData<String>) data[1]).getModel()).isEqualTo("R2");
            assertThat(((ResponseData<String>) data[2]).getModel()).isEqualTo("R3");
        }
    });
}

Example 3 with LoaderManager

use of android.support.v4.app.LoaderManager in project AndroidTraining by mixi-inc.

the class MainLoaderActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mListView = (ListView) findViewById(R.id.ListView);
    // UIにバインドするデータのカラム名
    String[] from = { Book.COLUMN_NAME_BOOK_TITLE, Book.COLUMN_NAME_BOOK_PRICE };
    // 指定したカラムのデータを表示するViewのIDを指定します。
    int[] to = { R.id.Title, R.id.Price };
    // 第3引数のCursorはコールバックで設定されるのでnullを渡しています
    mSimpleCursorAdapter = new SimpleCursorAdapter(this, R.layout.list_item_book, null, from, to, CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
    mListView.setAdapter(mSimpleCursorAdapter);
    // ボタンクリックでインサート処理を実行
    findViewById(R.id.ADD).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            insert();
        }
    });
    // ローダの管理をするオブジェクト
    LoaderManager loaderManager = getSupportLoaderManager();
    // ローダを初期化して非同期処理を開始する
    loaderManager.initLoader(0, null, this);
}