领域类
public class RealmManager
private static Realm mRealm;
public static Realm open() {
mRealm = Realm.getDefaultInstance();
return mRealm;
}
public static void close() {
if (mRealm != null) {
mRealm.close();
}
}
public static RecordsDao recordsDao() {
checkForOpenRealm();
return new RecordsDao(mRealm);
}
private static void checkForOpenRealm() {
if (mRealm == null || mRealm.isClosed()) {
throw new IllegalStateException("RealmManager: Realm is closed, call open() method first");
}
}
}
当我致电RealmManager.open();时，我的应用程序因错误而崩溃
无法在路径上打开领域 '/data/data/com.apphoctienganhpro.firstapp/files/default.realm'： 不支持的Realm文件格式版本。在 /用户/cm/Realm/realm-java/realm/realm-library/src/main/cpp/io_realm_internal_SharedRealm.cpp 第92行类型：ACCESS_ERROR
活动课
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_lesson);
ButterKnife.bind(this);
RealmManager.open();
NestedScrollView scrollView = findViewById(R.id.nest_scrollview);
scrollView.setFillViewport(true);
toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
if (getSupportActionBar() != null) {
getSupportActionBar().setDisplayShowTitleEnabled(true);
}
final CollapsingToolbarLayout collapsingToolbarLayout = findViewById(R.id.collapsing_toolbar);
AppBarLayout appBarLayout = findViewById(R.id.appbar);
appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
boolean isShow = true;
int scrollRange = -1;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (scrollRange == -1) {
scrollRange = appBarLayout.getTotalScrollRange();
}
if (scrollRange + verticalOffset == 0) {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
isShow = true;
} else if (isShow) {
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
isShow = false;
}
}
});
arrayListCategory = Utility.getAppcon().getSession().arrayListCategory;
arrayListGoal = Utility.getAppcon().getSession().arrayListGoal;
arrayList = new ArrayList<>();
arrayList = Utility.getAppcon().getSession().arrayListCategory;
if (arrayListGoal.size() > 0) {
goal_id = arrayListGoal.get(0).getSingleGoalId();
}else{
if(!arrayList.get(0).getCategory_description().equals("")) {
if(!Utility.getAppcon().getSession().screen_name.equals("lessson_complete")) {
displayDialog();
}
}
}
collapsingToolbarLayout.setTitle(arrayListCategory.get(0).getCategoryName());
layoutManager = new LinearLayoutManager(this);
recycler_view.setLayoutManager(layoutManager);
apiservice = ApiServiceCreator.createService("latest");
sessionManager = new SessionManager(this);
getCategoryLesson();
}
private void displayDialog() {
dialog = new Dialog(LessonActivity.this);
dialog.getWindow();
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.custom_layout_lesson_detail);
dialog.setCancelable(true);
txt_close = dialog.findViewById(R.id.txt_close);
txt_title_d = dialog.findViewById(R.id.txt_title_d);
txt_description_d = dialog.findViewById(R.id.txt_description_d);
img_main_d = dialog.findViewById(R.id.img_main_d);
img_play_d = dialog.findViewById(R.id.img_play_d);
img_play_d.setVisibility(View.GONE);
Picasso.with(LessonActivity.this).load(ApiConstants.IMAGE_URL + arrayList.get(0).getCategoryImage())
.noFade()
.fit()
.placeholder(R.drawable.icon_no_image)
.into(img_main_d);
txt_title_d.setText(arrayList.get(0).getCategoryName());
txt_description_d.setText(Html.fromHtml(arrayList.get(0).getCategory_description().replaceAll("\\\\", "")));
dialog.show();
Window window = dialog.getWindow();
assert window != null;
window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
txt_close.setOnClickListener(view -> dialog.dismiss());
}
private void getCategoryLesson() {
pDialog = new ProgressDialog(LessonActivity.this);
pDialog.setTitle("Checking Data");
pDialog.setMessage("Please Wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
Observable<LessonResponse> responseObservable = apiservice.getCategoryLesson(
sessionManager.getKeyEmail(),
arrayListCategory.get(0).getCategoryId(),
goal_id,
sessionManager.getUserData().get(0).getUserId(),
sessionManager.getKeyToken());
responseObservable.subscribeOn(Schedulers.newThread())
.observeOn(AndroidSchedulers.mainThread())
.onErrorResumeNext(throwable -> {
if (throwable instanceof retrofit2.HttpException) {
retrofit2.HttpException ex = (retrofit2.HttpException) throwable;
Log.e("error", ex.getLocalizedMessage());
}
return Observable.empty();
})
.subscribe(new Observer<LessonResponse>() {
@Override
public void onCompleted() {
pDialog.dismiss();
}
@Override
public void onError(Throwable e) {
}
@Override
public void onNext(LessonResponse lessonResponse) {
if (lessonResponse.getData().size() > 9) {
txt_total_lesson.setText(String.valueOf(lessonResponse.getData().size()));
} else {
txt_total_lesson.setText(String.valueOf("0" + lessonResponse.getData().size()));
}
if (lessonResponse.getStatusCode() == 200) {
adapter = new LessonAdapter(lessonResponse.getData(), LessonActivity.this);
recycler_view.setAdapter(adapter);
} else {
Utility.displayToast(getApplicationContext(), lessonResponse.getMessage());
}
}
});
}
@Override
public boolean onSupportNavigateUp() {
onBackPressed();
return true;
}
@Override
public void onClickFavButton(int position, boolean toggle) {
}
public boolean isFavourate(String LessionId,String UserId){
if (arrayList!=null){
for (int i=0;i<arrayList.size();i++)
if (favarrayList.get(1).getLessonId().equals(LessionId) && favarrayList.get(0).getUserID().equals(UserId)){
return true;
}
}
return false;
}
@Override
protected void onDestroy() {
super.onDestroy();
RealmManager.close();
}
}
适配器类
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.row_lesson, parent, false);
return new LessonAdapter.ViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
dialog = new Dialog(context);
dialog.getWindow();
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.custom_layout_lesson_audio);
txt_close = dialog.findViewById(R.id.txt_close);
txt_title_d = dialog.findViewById(R.id.txt_title_d);
txt_description_d = dialog.findViewById(R.id.txt_description_d);
img_play_d = dialog.findViewById(R.id.img_play_d);
frm_header = dialog.findViewById(R.id.frm_header);
img_back_d = dialog.findViewById(R.id.img_back_d);
holder.txt_lesson_title.setText(arrayList.get(position).getLessonName());
holder.btn_view.setOnClickListener(view -> {
txt_title_d.setText(arrayList.get(position).getLessonName());
dialog.show();
Window window = dialog.getWindow();
assert window != null;
window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
txt_description_d.setText(Html.fromHtml(arrayList.get(position).getLessonDescription().replaceAll("\\\\", "")));
displayDialog(holder.getAdapterPosition());
});
holder.btn_go.setOnClickListener(view -> {
Utility.getAppcon().getSession().arrayListLesson = new ArrayList<>();
Utility.getAppcon().getSession().arrayListLesson.add(arrayList.get(position));
Intent intent = new Intent(context, LessonCompleteActivity.class);
context.startActivity(intent);
});
if (arrayList.get(position).isFavourate())
holder.favCheck.setChecked(true);
else
holder.favCheck.setChecked(false);
holder.favCheck.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
CheckBox checkBox = (CheckBox) view;
if (checkBox.isChecked()) {
RealmManager.recordsDao().saveToFavorites(arrayList.get(position));
} else {
RealmManager.recordsDao().removeFromFavorites(arrayList.get(position));
}
}
});
}
private void displayDialog(int Position) {
final MediaPlayer mediaPlayer = new MediaPlayer();
String url = ApiConstants.IMAGE_URL + arrayList.get(Position).getLesson_audio_url();
//String url = "http://208.91.198.96/~diestechnologyco/apphoctienganhpro/uploads/mp3/mp3_1.mp3"; // your URL here
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
try {
mediaPlayer.setDataSource(url);
} catch (IOException e) {
e.printStackTrace();
}
try {
mediaPlayer.prepare(); // might take long! (for buffering, etc)
} catch (IOException e) {
e.printStackTrace();
}
img_play_d.setOnClickListener(view -> {
if (audio_flag == 0) {
mediaPlayer.start();
audio_flag = 1;
img_play_d.setImageResource(R.mipmap.pause_circle);
} else {
mediaPlayer.pause();
audio_flag = 0;
img_play_d.setImageResource(R.mipmap.icon_play);
}
});
//img_play_d.setOnClickListener(view -> mediaPlayer.start());
txt_close.setOnClickListener(view -> {
mediaPlayer.stop();
dialog.dismiss();
});
img_back_d.setOnClickListener(view -> {
mediaPlayer.stop();
dialog.dismiss();
});
}
@Override
public int getItemCount() {
return arrayList.size();
}
class ViewHolder extends RecyclerView.ViewHolder {
@BindView(R.id.txt_lesson_title)
TextView txt_lesson_title;
@BindView(R.id.txt_lesson_type)
TextView txt_lesson_type;
@BindView(R.id.btn_view)
Button btn_view;
@BindView(R.id.btn_go)
Button btn_go;
@BindView(R.id.image_favborder)
CheckBox favCheck;
ViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this, itemView);
//RealmManager.open();
}
}
public void getdata(){
}
public void addFavourate(String LessonId,String UserId) {
if (mRealm != null) {
mRealm.beginTransaction();
favList_model = mRealm.createObject(FavList_model.class);
favList_model.setLessonId(LessonId);
favList_model.setUserID(UserId);
mRealm.commitTransaction();
mRealm.close();
}
}
}