android

[Solved] Android – Blocks in XML

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I would suggest you to use MaterialLeanBack library. You will get a sample example in the code for understanding. Usage In your layout <com.github.florent37.materialleanback.MaterialLeanBack android:id=”@+id/materialLeanBack” android:layout_width=”match_parent” android:layout_height=”match_parent” app:mlb_background=”@color/background” app:mlb_lineSpacing=”30dp” app:mlb_paddingBottom=”30dp” app:mlb_paddingLeft=”30dp” app:mlb_paddingRight=”30dp” app:mlb_paddingTop=”40dp” app:mlb_titleColor=”@android:color/white” /> Requires compile ‘com.github.florent37:materialleanback:1.0.0@aar’ compile ‘com.android.support:cardview-v7:22.2.1’ compile ‘com.android.support:recyclerview-v7:22.2.1’ compile ‘com.nineoldandroids:library:2.4.0’ 0 solved Android – Blocks in XML

[Solved] android firebase unable to instantiate abstract class when call getValue() in listener

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Your concrete Outfit class has fields and properties that define Item: public class Outfit implements Parcelable{ private List<Item> itemList = new ArrayList<>(); … public List<Item> getItemList() This means that the Firebase SDK will try to instantiate an Item, which isn’t possible due to it being abstract. Most likely you want Firebase to instantiate the right … Read more

[Solved] Shuffle ArrayList of objects [duplicate]

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Hi Sumit i dont know why there are few downvote it is because you have not informed that you are new to Java Language Please find my answer below import java.util.Collections; import java.util.LinkedList; import java.util.List; final class Product { private final String name; private final Double price; private final Double discount; Product(String name, Double price, … Read more

[Solved] What happens when back button or home or application removed from recent apps [closed]

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As far as I can understand, you want to know that what does happen with application data when following actions performed: When exits from Application using device back button When application goes background after tapping Home button When application removed from recent application list 1. When exit from Application using device back button When user … Read more

[Solved] edittext.getText().getString() is always empty [closed]

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Android edittext.getText().toString() is always empty.. Because you assigning it as empty. public String Setphase2(Button r,Button l,TextView t,EditText i) { i.setText(“”); // See this line************** r.setText(R.string.upload); l.setText(R.string.edit); t.setText(R.string.key_task); String inputText = i.getText().toString(); Log.d(“UserText”, “Entry text is:” + inputText); i.setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD); return inputText; } Remove the following line in the above method. i.setText(“”); 1 solved edittext.getText().getString() is always … Read more

[Solved] How to combine all Firebase ML kit APIs in one app?

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Just call all of the functions on your image file at once, then combine the results using something like zip in RXJava. Alternatively, you could nest the results (e.g. call FirebaseVision.getInstance().onDeviceTextRecognizer.processImage(image) inside the onSuccessListener of another function), although this will take much longer to complete all. If you provide code of your existing attempts, StackOverflow … Read more

[Solved] You need to use a Theme.AppCompat theme (or descendant) with this activity on Android

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Change this <style name=”MyMaterialTheme” parent=”MyMaterialTheme.Base”> </style> <style name=”MyMaterialTheme.Base” parent=”Theme.AppCompat.Light.DarkActionBar”> <item name=”windowNoTitle”>true</item> <item name=”windowActionBar”>false</item> <item name=”colorPrimary”>@color/colorPrimary</item> <item name=”colorPrimaryDark”>@color/colorPrimaryDark</item> <item name=”colorAccent”>@color/colorAccent</item> </style> to this <style name=”MyMaterialTheme” parent=”Theme.AppCompat.Light.DarkActionBar”> <item name=”windowNoTitle”>true</item> <item name=”windowActionBar”>false</item> <item name=”colorPrimary”>@color/colorPrimary</item> <item name=”colorPrimaryDark”>@color/colorPrimaryDark</item> <item name=”colorAccent”>@color/colorAccent</item> </style> Full code : <resources> <style name=”MyMaterialTheme” parent=”Theme.AppCompat.Light.DarkActionBar”> <item name=”windowNoTitle”>true</item> <item name=”windowActionBar”>false</item> <item name=”colorPrimary”>@color/colorPrimary</item> <item name=”colorPrimaryDark”>@color/colorPrimaryDark</item> <item name=”colorAccent”>@color/colorAccent</item> </style> </resources> … Read more

[Solved] How to Sort Firebase data by date stored as Value

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you should store the data in miliseconds, is not that hard, and then you can bring the data and parse it in Date , look at this snippet try{ HttpClient httpclient = new DefaultHttpClient(); HttpResponse response = httpclient.execute(new HttpGet(“https://google.com/”)); StatusLine statusLine = response.getStatusLine(); if (statusLine.getStatusCode() == HttpStatus.SC_OK) { DateFormat df = new SimpleDateFormat(“EEE, d MMM … Read more

[Solved] How can i add all of the prod obtained? [closed]

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I would strongly consider breaking up your logic into smaller, readable methods. You also don’t need to store the numbers as fields. I.e. Remove this whole block of code… double num1, num2, prod1; double num3, num4, prod2; double num5, num6, prod3; double num7, num8, prod4; double num9, num10, prod5; double grandt = prod1 + prod2 … Read more

[Solved] Need help and suggestion to integrate android app with my online room booking website [closed]

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If you’re web designer and don’t know anything about developing mobile application in android/iOS then you should probably try phonegap You can reuse your website code for Android/iOS application so you do not need to worry about back-end server connectivity or anything else. You just need to make sure that your web UI is mobile … Read more

[Solved] Can not show map when use google map api v2?

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Create debugging API key and Release API key. Step 1: In Commend Prompt Now locate to jdk in C drive(Considering for windows and assigning C drive) C:\Program Files\Java\jdk1.7.0\bin>keytool -list -v -keystore E:\A.keystore -alias A So it will create SHA-1 finger print. A.keystore is an Keystore, for debugging this file found in C:\Users\User\.android file name is … Read more

[Solved] display plain text page in android [duplicate]

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First:- Create one layout in which you show your desired buttons. Set setOnClickListener on Buttons. Second:- Create different Layouts for every button click Page results. Like you have 5 buttons then create 5 Layout containing TextViews. Third:- set Intent call on every Button. Put this code on every Button click Intent calling method. Intent intent= … Read more

[Solved] If Data connection is on then show a dialog. otherwise not [closed]

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Here is a method you can use to validate whether a data connection is available or not: public static boolean isDataConnectionAvailable(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); return activeNetworkInfo != null && activeNetworkInfo.isConnectedOrConnecting(); } If this returns true then you can do your logic to display a dialog box. There … Read more

[Solved] nullpointer exception in parsing string to date [closed]

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First make sure that from2 is not null and data getting from db is not null. Following added the success and failure cases, String from2 = “01-12-2015”; SimpleDateFormat simpleDateFromat = new SimpleDateFormat(“dd-MM-yyyy”); Date dateFROM = simpleDateFromat.parse(from2); System.out.println(“dateFROM : “+dateFROM); Here you will get the correct date as : Tue Dec 01 00:00:00 IST 2015 from2 … Read more