java

[Solved] How to implement smart bar in Android app? [closed]

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Create XML Layout <RelativeLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:tools=”http://schemas.android.com/tools” android:layout_width=”match_parent” android:layout_height=”match_parent” tools:context=”.MainActivity” > <LinearLayout android:id=”@+id/menu” android:layout_width=”match_parent” android:layout_height=”fill_parent” android:background=”#51d7ff” android:orientation=”vertical” > <ListView android:id=”@+id/ListView01″ android:layout_width=”match_parent” android:layout_height=”wrap_content” android:background=”#51d7ff” android:cacheColorHint=”#51d7ff” > </ListView> </LinearLayout> <LinearLayout android:id=”@+id/app” android:layout_width=”match_parent” android:layout_height=”fill_parent” android:background=”#033333″ android:orientation=”vertical” > <Button android:id=”@+id/BtnSlide” android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:background=”@drawable/menu” /> <ListView android:id=”@+id/list” android:layout_width=”match_parent” android:layout_height=”wrap_content” android:background=”#758fb1″ android:cacheColorHint=”#758fb1″ > </ListView> </LinearLayout> Main Activity public class MainActivity extends Activity … Read more

[Solved] Parsing Java code with Java

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People often try to parse HTML, XML, C or java with regular expressions. With enough efforts and tricks, lot of amazing things are possible with complex combinations of regex. But you always end up with something very incomplete and not efficient. Regex can’t handle complex grammars, use a parser, either generic or specific to java. … Read more

[Solved] How to detect if a PDF page has an image in it

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Using iText 5 you can find out whether images actually are shown on a page by parsing the page content into a custom RenderListener implementation. E.g. class ImageDetector implements RenderListener { public void beginTextBlock() { } public void endTextBlock() { } public void renderText(TextRenderInfo renderInfo) { } public void renderImage(ImageRenderInfo renderInfo) { imageFound = true; … Read more

[Solved] TransformException: java.util.zip.ZipException: duplicate entry: android/support/v4/widget/ExploreByTouchHelper.class

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Open your system command prompt/terminal -> Go to your Project folder path (root project folder ) -> Execute following command : command :- gradlew cleanor ./gradlew clean Make sure that all your gradle dependencies are of same version. -> Example :- your appcompat and recyclerview dependencies should have same version. -> Change your gradle dependencies … Read more

[Solved] How insert Floating Action Button inside extends fragment

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fab_twitte=(FloatingActionButton)findViewById(fab_twitte); you setting fab_twitte here ,but adding a listener with fab_twi.setOnClickListener where did fab_twi should be fab_twitte. the main problem is the way you are creating the views for the fragment. I sure you read about the life cycle of fragments where the fragments are attach and detach from their corresponding activity. Do not inflate … Read more

[Solved] Search through an array in Java

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I would prefere to use a collection of hospital objects instead of the array, but if this is not what you want you may use this: int highestPriorityHospitalIndex(int[] a) { for (int priority = 1; priority <= 7; priority++) { for (int i = 0; i < a.length; i++) { if (a[i] == priority && … Read more

[Solved] Declaration of array size is illegal

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A declaration of an array in Java doesn’t require or allow a size specification. This would require to consider int[10] a type, so that, for example, type(int[10]) != type(int[5]). But in Java you can just declare a T[] type without being able to force the size for the declaration. You just create an array of … Read more