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import android.content.Context
import android.graphics.Canvas
import android.util.AttributeSet
import android.view.MotionEvent
import android.view.ScaleGestureDetector
import android.view.ScaleGestureDetector.SimpleOnScaleGestureListener
import androidx.recyclerview.widget.RecyclerView

/**
 * Created by Rajat on 11,July,2020

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List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();        
//Add the Jackson Message converter
MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();

// Note: here we are making this converter to process any kind of response, 
// not only application/*json, which is the default behaviour
converter.setSupportedMediaTypes(Collections.singletonList(MediaType.ALL));        
messageConverters.add(converter); 

RestTemplate restTemplate = new RestTemplate();

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public boolean isOnline() {
    ConnectivityManager cm =
        (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = cm.getActiveNetworkInfo();
    if (netInfo != null && netInfo.isConnectedOrConnecting()) {
        return true;
    }
    return false;
}

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private val requiredPermissionList = arrayOf(
        //list of permissions
        Manifest.permission.WRITE_EXTERNAL_STORAGE,
        Manifest.permission.READ_EXTERNAL_STORAGE
    )

  private fun checkAndRequestPermission(): Boolean {
        val permissionsNeeded = ArrayList<String>()

        for (permission in requiredPermissionList) {

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        nestedscrollview.fullScroll(View.FOCUS_UP)

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setSupportActionBar(toolbar)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
supportActionBar?.setDisplayShowHomeEnabled(true)
supportActionBar?.setDisplayShowTitleEnabled(false)

//To change the color

    <style name="MyToolbarStyle">
        <item name="android:minHeight">?actionBarSize</item>
        <item name="popupTheme">@style/ThemeOverlay.AppCompat.Light</item>

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import android.Manifest
import android.os.Bundle
import android.support.v4.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import kotlinx.android.synthetic.main.addcare_addphoto_fragment.*
import android.content.Intent
import android.content.pm.PackageManager

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 if (!recyclerView.canScrollVertically(-1)) {
           Log.d("status", "Top reached")
}