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Code Issues Releases Wiki Activity

Handle no books installed on start properly.

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This commit is contained in:
Bradlee Speice 2014-09-03 22:49:18 -04:00
parent 54d0157785
commit 80238f3cf2
6 changed files with 150 additions and 68 deletions
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42
app/src/androidTest/java/org/bspeice/minimalbible/test/activity/viewer/BibleViewerTest.java Normal file
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@ -0,0 +1,42 @@
package org.bspeice.minimalbible.test.activity.viewer;
import android.test.ActivityInstrumentationTestCase2;
import org.bspeice.minimalbible.Modules;
import org.bspeice.minimalbible.activity.viewer.BibleViewer;
import org.bspeice.minimalbible.activity.viewer.BookManager;
import org.crosswire.jsword.book.Book;
import java.util.ArrayList;
import rx.Observable;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class BibleViewerTest extends ActivityInstrumentationTestCase2<BibleViewer> {
public BibleViewerTest() {
super(BibleViewer.class);
}
public void setUp() {
// For some reason this test requires us to set the dexcache...
System.setProperty("dexmaker.dexcache", getInstrumentation().getTargetContext()
.getCacheDir().toString());
}
/**
* It may happen to be the case that we start and there are no installed books.
* This likely triggers a runtime exception from Rx, and is no excuse for dying.
*/
public void testInitializationNoInstalledBooks() {
BookManager mockBookManager = mock(BookManager.class);
when(mockBookManager.getInstalledBooks()).thenReturn(
Observable.from(new ArrayList<Book>()));
Modules.testModules.setBookManager(mockBookManager);
assertNotNull(getActivity());
}
}

56
app/src/main/java/org/bspeice/minimalbible/activity/viewer/BibleViewer.java
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@ -25,6 +25,7 @@ import javax.inject.Inject;
import dagger.ObjectGraph;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.functions.Func1;
public class BibleViewer extends BaseActivity implements
NavDrawerFragment.NavigationDrawerCallbacks,
@ -66,35 +67,42 @@ public class BibleViewer extends BaseActivity implements
bvObjectGraph.inject(o);
}
@Override
/**
* Set up the application
* TODO: Get the main book, rather than the first installed book.
*
* @param savedInstanceState Android's savedInstanceState
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.inject(this);
// If no books are installed, we need to download one first.
int count = bookManager.getInstalledBooks()
.count()
.toBlocking()
.last();
if (count <= 0) {
Intent i = new Intent(this, DownloadActivity.class);
startActivityForResult(i, 0);
finish();
} else {
bookManager.getInstalledBooks()
.first()
.subscribeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Book>() {
@Override
public void call(Book book) {
Log.d("BibleViewer", "Subscribed to display book: " + book.getName());
displayMainBook(book);
}
});
}
setContentView(R.layout.activity_bible_viewer);
// If no books are installed, we need to download one first. However,
// RxJava will error if there's nothing installed.
bookManager.getInstalledBooks()
.first()
.onErrorReturn(new Func1<Throwable, Book>() {
@Override
public Book call(Throwable throwable) {
// If there are no books installed...
Log.e(getLocalClassName(), "No books are currently installed, starting DownloadManager");
Intent i = new Intent(BibleViewer.this, DownloadActivity.class);
startActivityForResult(i, 0);
finish();
return null;
}
})
.subscribeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Book>() {
@Override
public void call(Book book) {
Log.e("BibleViewer", "Subscribed to display book: " + book.getName());
displayMainBook(book);
}
});
setContentView(R.layout.activity_bible_viewer);
mNavigationDrawerFragment = (ExpListNavDrawerFragment) getSupportFragmentManager()
.findFragmentById(R.id.navigation_drawer);

27
app/src/main/java/org/bspeice/minimalbible/activity/viewer/BibleViewerModules.java
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@ -2,13 +2,12 @@ package org.bspeice.minimalbible.activity.viewer;
import android.util.Log;
import com.google.gson.Gson;
import org.bspeice.minimalbible.activity.navigation.ExpListNavAdapter;
import org.bspeice.minimalbible.activity.viewer.bookutil.VersificationUtil;
import org.bspeice.minimalbible.service.book.VerseLookupModules;
import org.crosswire.jsword.book.Book;
import java.util.NoSuchElementException;
import java.util.concurrent.atomic.AtomicReference;
import javax.inject.Named;
@ -69,13 +68,25 @@ public class BibleViewerModules {
});
if (mBook.get() == null) {
Book fallback;
fallback = bookManager.getInstalledBooks()
.toBlocking().first();
prefs.defaultBookName(fallback.getName());
return fallback;
try {
Book fallback;
fallback = bookManager.getInstalledBooks()
.onErrorReturn(new Func1<Throwable, Book>() {
@Override
public Book call(Throwable throwable) {
// If there's no book installed, we can't select the main one...
return null;
}
})
.toBlocking().first();
prefs.defaultBookName(fallback.getName());
return fallback;
} catch (NoSuchElementException e) {
// If no books are installed, there's really nothing we can do...
Log.d("BibleViewerModules", "No books are installed, so can't select a main book.");
return null;
}
} else {
return mBook.get();
}

74
app/src/main/java/org/bspeice/minimalbible/activity/viewer/ExpListNavDrawerFragment.java
View File

@ -58,46 +58,52 @@ public class ExpListNavDrawerFragment extends NavDrawerFragment {
});
*/
List<String> bibleBooks = vUtil.getBookNames(mainBook)
.toList().toBlocking().first();
List<String> bibleBooks;
if (mainBook != null) {
bibleBooks = vUtil.getBookNames(mainBook)
.toList().toBlocking().first();
} else {
bibleBooks = new ArrayList<String>();
}
// I really don't like how we build the chapters, but I'm not adding Guava just for Range.
// RXJava does get ridiculous with the angle brackets, you have me there. But Intellij
// folds nicely.
Map<String, List<Integer>> chapterMap =
vUtil.getBooks(mainBook).map(new Func1<BibleBook, Map<String, List<Integer>>>() {
@Override
public Map<String, List<Integer>> call(BibleBook bibleBook) {
// These lines are important
int bookCount = vUtil.getChapterCount(mainBook, bibleBook);
List<Integer> chapterList = new ArrayList<Integer>(bookCount);
for (int i = 0; i < bookCount; i++) {
chapterList.add(i + 1); // Index to chapter number
}
// </important>
Map<String, List<Integer>> bookListMap =
new HashMap<String, List<Integer>>(1);
bookListMap.put(vUtil.getBookName(mainBook, bibleBook), chapterList);
return bookListMap;
Map<String, List<Integer>> chapterMap = new HashMap<String, List<Integer>>();
if (mainBook != null) {
vUtil.getBooks(mainBook).map(new Func1<BibleBook, Map<String, List<Integer>>>() {
@Override
public Map<String, List<Integer>> call(BibleBook bibleBook) {
// These lines are important
int bookCount = vUtil.getChapterCount(mainBook, bibleBook);
List<Integer> chapterList = new ArrayList<Integer>(bookCount);
for (int i = 0; i < bookCount; i++) {
chapterList.add(i + 1); // Index to chapter number
}
})
.reduce(new Func2<Map<String, List<Integer>>,
Map<String, List<Integer>>,
Map<String, List<Integer>>>() {
@Override
public Map<String, List<Integer>>
call(Map<String, List<Integer>> acc,
Map<String, List<Integer>> value) {
// These lines are important
acc.putAll(value);
return acc;
// </important>
}
})
.toBlocking()
.first();
// </important>
Map<String, List<Integer>> bookListMap =
new HashMap<String, List<Integer>>(1);
bookListMap.put(vUtil.getBookName(mainBook, bibleBook), chapterList);
return bookListMap;
}
})
.reduce(new Func2<Map<String, List<Integer>>,
Map<String, List<Integer>>,
Map<String, List<Integer>>>() {
@Override
public Map<String, List<Integer>>
call(Map<String, List<Integer>> acc,
Map<String, List<Integer>> value) {
// These lines are important
acc.putAll(value);
return acc;
// </important>
}
})
.toBlocking()
.first();
}
ExpListNavAdapter<String, Integer> adapter =
new ExpListNavAdapter<String, Integer>(bibleBooks, chapterMap);

4
app/src/testConfig/java/org/bspeice/minimalbible/Modules.java
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@ -6,12 +6,14 @@ package org.bspeice.minimalbible;
*/
public class Modules {
public static TestModules testModules = new TestModules();
private Modules() {}
public static Object[] list(MinimalBible app) {
return new Object[] {
new MinimalBibleModules(app),
new TestModules()
testModules
};
}
}

15
app/src/testConfig/java/org/bspeice/minimalbible/TestModules.java
View File

@ -2,6 +2,7 @@ package org.bspeice.minimalbible;
import org.bspeice.minimalbible.activity.downloader.DownloadActivity;
import org.bspeice.minimalbible.activity.viewer.BookManager;
import org.crosswire.jsword.book.BookCategory;
import java.util.ArrayList;
@ -22,7 +23,10 @@ import dagger.Provides;
public class TestModules {
public static CharSequence testActivityTitle = "Test";
@Provides CharSequence provideString() {
private BookManager bookManager;
@Provides
CharSequence provideString() {
return testActivityTitle;
}
@ -36,4 +40,13 @@ public class TestModules {
add(BookCategory.MAPS);
}};
}
public void setBookManager(BookManager bookManager) {
this.bookManager = bookManager;
}
@Provides
BookManager provideBookManager() {
return bookManager;
}
}