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Extract methods in ChooseDataFolderDialog

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This makes the main `showDialog()` method a bit shorter by extracting
behavior into shorter methods.
This commit is contained in:
Anderson Mesquita 2019-04-25 11:07:23 -04:00
parent 135df61692
commit 31adff0dcc
1 changed files with 47 additions and 33 deletions
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80
app/src/main/java/de/danoeh/antennapod/dialog/ChooseDataFolderDialog.java
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@ -9,6 +9,7 @@ import com.afollestad.materialdialogs.MaterialDialog;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import de.danoeh.antennapod.R;
@ -32,38 +33,11 @@ public class ChooseDataFolderDialog {
public static void showDialog(final Context context, RunnableWithString handlerFunc) {
File dataFolder = UserPreferences.getDataFolder(null);
if (dataFolder == null) {
new MaterialDialog.Builder(context)
.title(R.string.error_label)
.content(R.string.external_storage_error_msg)
.neutralText(android.R.string.ok)
.show();
return;
}
String dataFolderPath = dataFolder.getAbsolutePath();
int selectedIndex = -1;
int index = 0;
File[] mediaDirs = ContextCompat.getExternalFilesDirs(context, null);
final List<String> folders = new ArrayList<>(mediaDirs.length);
final List<CharSequence> choices = new ArrayList<>(mediaDirs.length);
for (File dir : mediaDirs) {
if(dir == null || !dir.exists() || !dir.canRead() || !dir.canWrite()) {
continue;
}
String path = dir.getAbsolutePath();
folders.add(path);
if(dataFolderPath.equals(path)) {
selectedIndex = index;
}
int prefixIndex = path.indexOf("Android");
String choice = (prefixIndex > 0) ? path.substring(0, prefixIndex) : path;
long bytes = StorageUtils.getFreeSpaceAvailable(path);
String item = String.format(
"<small>%1$s [%2$s]</small>", choice, Converter.byteToString(bytes));
choices.add(fromHtmlVersioned(item));
index++;
}
if (choices.isEmpty()) {
HashMap<String, List<String>> options = getStorageOptions(context);
final List<String> entries = options.get("entries");
final List<String> folders = options.get("folders");
if (dataFolder == null || entries.isEmpty()) {
new MaterialDialog.Builder(context)
.title(R.string.error_label)
.content(R.string.external_storage_error_msg)
@ -71,10 +45,12 @@ public class ChooseDataFolderDialog {
.show();
return;
}
int selectedIndex = folders.indexOf(dataFolder.getAbsolutePath());
MaterialDialog dialog = new MaterialDialog.Builder(context)
.title(R.string.choose_data_directory)
.content(R.string.choose_data_directory_message)
.items(choices)
.items(entries)
.itemsCallbackSingleChoice(selectedIndex, (dialog1, itemView, which, text) -> {
String folder = folders.get(which);
handlerFunc.run(folder);
@ -86,6 +62,44 @@ public class ChooseDataFolderDialog {
dialog.show();
}
private static HashMap<String, List<String>> getStorageOptions(Context context) {
File[] mediaDirs = ContextCompat.getExternalFilesDirs(context, null);
final List<String> folders = new ArrayList<>(mediaDirs.length);
final List<String> entries = new ArrayList<>(mediaDirs.length);
for (File dir : mediaDirs) {
if (isNotWritable(dir)) continue;
String path = dir.getAbsolutePath();
String location = getStorageLocation(path);
String availableSpace = getAvailableSpace(path);
folders.add(path);
entries.add(storageEntry(location, availableSpace));
}
return new HashMap<String, List<String>>() {{
put("folders", folders);
put("entries", entries);
}};
}
private static String storageEntry(String location, String availableSpace) {
String html = String.format("<small>%1$s [%2$s]</small>", location, availableSpace);
return fromHtmlVersioned(html).toString();
}
private static String getAvailableSpace(String path) {
long spaceAvailable = StorageUtils.getFreeSpaceAvailable(path);
return Converter.byteToString(spaceAvailable);
}
private static String getStorageLocation(String path) {
int prefixIndex = path.indexOf("Android");
return (prefixIndex > 0) ? path.substring(0, prefixIndex) : path;
}
private static boolean isNotWritable(File dir) {
return dir == null || !dir.exists() || !dir.canRead() || !dir.canWrite();
}
@SuppressWarnings("deprecation")
private static CharSequence fromHtmlVersioned(final String html) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {