Difference standard, singleTop, singleInstance, singleTask
sorsare standard (default) :- Multiple instances of the activity class can be instantiated and multiple instances can be added to the same task or different tasks. This is the common mode…
IntentService : has no zero argument constructor
Caused by: java.lang.InstantiationException: java.lang.Class<com.example.MyWakefulService> has no zero argument constructor What does it means? We created custom IntentService and what? Do we have empty constructor? Nope, so let's do it! public…
Reading plain text file in java and android asset
Read lines from file: ArrayList < String > lines = new ArrayList < String > (); try { BufferedReader input = new BufferedReader(new FileReader(f)); String line; do { if ((line…
Recyclerview with padding and clipping first item
As usual in example: <android.support.v7.widget.RecyclerView android:clipToPadding="false" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingTop="@dimen/activity_vertical_margin" android:id="@+id/recyclerView" android:layout_width="match_parent" android:layout_height="match_parent" /> The golden trinity is: android:clipToPadding="false" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingTop="@dimen/activity_vertical_margin" More info here: http://stackoverflow.com/q/24914191/619673
Permanently block apk updating
All you need to do is: decompile apk, change code version of apk, compile again and sign with already not original key. apktool d app.apk open folder, find yml file,…