android

[Solved] Pass value from View Holder

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Then create a hashmap and whenever updation takes place save the data in hashmap. Inherit getItem(int index) method in adapter with HashMap as return type & and return the data in that method for corresponding index. HashMap<String, Object> hashMap = new HashMap<String, Object>(); @Override public HashMap getItem(int i) { return hashMap.get(i); } Like if user … Read more

[Solved] Change Activities’ Fragment Inside the Fragment

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Use below method public static void openFragment(FragmentManager manager, Fragment targetFragment) { try { String fragmentName = targetFragment.getClass().getName(); manager.popBackStack(); manager.beginTransaction() .replace(R.id.frameLayout, targetFragment, fragmentName) .addToBackStack(fragmentName) .commit(); } catch (Exception e) { e.printStackTrace(); } } call this method each time when you are opening your fragment. You have to pass two params to this method. targetFragment is the … Read more

[Solved] What is vm in virtualBox used for [closed]

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a VM is a virtual machine. In simple words, it is virtual hardware(emulator) to run your virtual devices. from Wikipedia: In computing, a virtual machine (VM) is an emulation of a particular computer system. Virtual machines operate based on the computer architecture and functions of a real or hypothetical computer, and their implementations may involve … Read more

[Solved] Android apps on ios

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You can’t install android app on an ios device. Android and IOS are entirely different. They are different operating systems. For example, Facebook app runs on both android and ios but this doesn’t mean that they are same apps. They are developed differently. Ie two different app made ko run on different OS. solved Android … Read more

[Solved] Define a value to EditText

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Use this. If (edittext.getText().toString()==myPreProgrammedString){ start next activity } else{ show warning wrong password } Usually you would put something like this in a onClick method of a login button. But I use something similar in textwatchers afterTextChanged method to check if the entered text is in a list and then enable the OK button. BTW: … Read more

[Solved] Why IF condition is not fulfilled on android [duplicate]

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It shouldn’t continue, it should throw a NullPointerException that you may intercept in the catch block. When you try if (!spnOptionSelectedTypes.equals(null)) it should throw this exception because spnOptionSelectedTypes is null so it is not a String and does not have any equals() method. Edit: It allows the first if to pass because it has 2 … Read more

[Solved] Sqlite select value as id to other table

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You need to fix your table A so it is in First Normal Form: Name Value a 13889483-d92a-483e-9e16-471cb22b82a3 a a7ced9c5-e7bc-4214-be77-a26d8f86844b Then you can connect the tables using a SQL join: SELECT B.* FROM A JOIN B ON B.Name = A.Value WHERE A.Name=”a” solved Sqlite select value as id to other table