Black screen before Splash screen appear in android

Add a theme with the background you are using to your application tag in the manifest file to prevent the black screen to be drawn. theme.xml <resources> <!– Base application theme is the default theme. –> <style name=”Theme” parent=”android:style/Theme” /> <style name=”Theme.MyAppTheme” parent=”Theme”> <item name=”android:windowNoTitle”>true</item> <item name=”android:windowContentOverlay”>@null</item> <item name=”android:windowBackground”>@drawable/my_app_background</item> </style> </resources> AndroidManifest.xml …. <application android:name=”@string/app_name” … Read more

How to change the default color of DatePicker and TimePicker dialog in Android?

The best way to change the picker dialog is by adding custom style to it. <style name=”TimePickerTheme” parent=”Theme.AppCompat.Light.Dialog”> <item name=”colorAccent”>@color/color_primary</item> <item name=”android:layout_width”>wrap_content</item> <item name=”android:layout_height”>wrap_content</item> </style> TimePickerDialog timePicker = new TimePickerDialog(mContext, R.style.TimePickerTheme, fromListener, hour, min, false); Worked perfectly for me.

Room : LiveData from Dao will trigger Observer.onChanged on every Update, even if the LiveData value has no change

There is simple solution in Transformations method distinctUntilChanged.expose new data only if data was changed. In this case we get data only when it changes in source: LiveData<YourType> getData(){ return Transformations.distinctUntilChanged(LiveData<YourType> source)); } But for Event cases is better to use this: https://stackoverflow.com/a/55212795/9381524

Handle Paging with RxJava

You could model it recursively: Observable<ApiResponse> getPageAndNext(int page) { return getResults(page) .concatMap(new Func1<ApiResponse, Observable<ApiResponse>>() { @Override public Observable<ApiResponse> call(ApiResponse response) { // Terminal case. if (response.next == null) { return Observable.just(response); } return Observable.just(response) .concatWith(getPageAndNext(response.next)); } }); } Then, to consume it, getPageAndNext(0) .concatMap(new Func1<ApiResponse, Observable<ResponseObject>>() { @Override public Observable<ResponseObject> call(ApiResponse response) { return Observable.from(response.results); … Read more

Change background of EditText’s error message

I would suggest to use @Codeversed solution, but if it doesn’t fit for you for some reason you can use my custom EditText implementation. Usual EditText representation: EditText with error: In few words: I’ve created custom xml state for error display. See related code below: InputEditText.java: import android.annotation.TargetApi; import android.content.Context; import android.graphics.drawable.Drawable; import android.os.Build; import … Read more

Disable Volley cache management

If you use any of the default Request classes implemented in volley(e.g. StringRequest, JsonRequest, etc.), then call setShouldCache(false) right before adding the request object to the volley RequestQueue: request.setShouldCache(false); myQueue.add(request); If you have your own implementation of the Request class, then you can call setShouldCache(false) in the constructor of your class. This solution disables caching … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)