added success and error state

Author: didarul-codes

.idea/assetWizardSettings.xml

@@ -18,11 +18,15 @@ class MainActivity : AppCompatActivity() {
                 custombtn.showLoading()
                 normal.showLoading()
             } else {
-                custombtn.hideLoading()
-                normal.hideLoading()
+                if(custombtn.isLoading()) {
+                    custombtn.showSuccess()
+                    normal.showError()
+                }else{
+                    custombtn.hideLoading()
+                    normal.hideLoading()
+                    show = !show
+                }
             }
-
-            show = !show
         }
 
         custombtn.setOnClickListener {

.idea/misc.xml

@@ -5,15 +5,20 @@ import android.content.res.Resources
 import android.content.res.TypedArray
 import android.graphics.PorterDuff
 import android.graphics.Typeface
+import android.os.Build
 import android.support.annotation.NonNull
 import android.support.annotation.Nullable
 import android.support.v4.content.res.ResourcesCompat
+import android.transition.Fade
+import android.transition.TransitionManager
 import android.util.AttributeSet
 import android.util.Log
 import android.view.Gravity
 import android.view.View
+import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
 import android.widget.FrameLayout
+import android.widget.ImageView
 import android.widget.ProgressBar
 import android.widget.TextView
 
@@ -24,88 +29,119 @@ class LoadingButton @JvmOverloads constructor(
 
     private val TAG = "LoadingButton"
 
-    private var progressBar: ProgressBar? = null
-    private var tvText: TextView? = null
-    private var array: TypedArray? = null
+    private lateinit var progressBar: ProgressBar
+    private lateinit var img: ImageView
+    private lateinit var view: View
+    private lateinit var tvText: TextView
+    private var array: TypedArray = context.theme.obtainStyledAttributes(attrs, R.styleable.app, defStyleAttr, 0)
+    private var bg: Int = R.drawable.ic_bg_blue_buttons_style
 
     init {
-        array = context.theme.obtainStyledAttributes(attrs, R.styleable.app, defStyleAttr, 0)
         initView()
     }
 
     fun hideLoading() {
-        if (progressBar != null) {
-            progressBar!!.visibility = View.INVISIBLE
-        }
-
-        if (tvText != null) {
-            tvText!!.visibility = View.VISIBLE
-        }
+        view.setBackgroundResource(bg)
+        progressBar.visibility = View.INVISIBLE
+        img.visibility = View.INVISIBLE
+        tvText.visibility = View.VISIBLE
         Log.d(TAG, "stopLoading: ")
     }
 
-    fun showLoading() {
-        if (progressBar != null) {
-            progressBar!!.visibility = View.VISIBLE
+    fun showSuccess() {
+        tvText.visibility = View.INVISIBLE
+        view.setBackgroundResource(bg)
+
+        if (Build.VERSION.SDK_INT >= 19) {
+            TransitionManager.beginDelayedTransition(view as ViewGroup, Fade(Fade.IN))
         }
+        progressBar.visibility = View.INVISIBLE
+        img.visibility = View.VISIBLE
+        img.setImageResource(R.drawable.ic_done_white_24dp)
+    }
+
+    fun showError() {
+        tvText.visibility = View.INVISIBLE
+
+        view.setBackgroundResource(R.drawable.ic_bg_red_buttons_style)
 
-        if (tvText != null) {
-            tvText!!.visibility = View.INVISIBLE
+        if (Build.VERSION.SDK_INT >= 19) {
+            TransitionManager.beginDelayedTransition(view as ViewGroup, Fade(Fade.IN))
         }
+
+        progressBar.visibility = View.INVISIBLE
+        img.visibility = View.VISIBLE
+        img.setImageResource(R.drawable.ic_warning)
+    }
+
+    fun showLoading() {
+        view.setBackgroundResource(bg)
+        progressBar.visibility = View.VISIBLE
+        tvText.visibility = View.INVISIBLE
+        img.visibility = View.INVISIBLE
         Log.d(TAG, "startLoading: ")
     }
 
+    fun isLoading():Boolean{
+        return progressBar.isShown
+    }
+
     private fun initView() {
 
-        val view = inflate(context, R.layout.layout_loading_button_lb, null)
+        view = inflate(context, R.layout.layout_loading_button_lb, null)
         addView(view)
 
-        val bg = array?.getResourceId(R.styleable.app_background, 0)
+        val bg = array.getResourceId(R.styleable.app_background, 0)
 
         if (bg != 0) {
-            view.setBackgroundResource(bg!!)
+            view.setBackgroundResource(bg)
+            this.bg = bg
         }
 
         progressBar = view.findViewById(R.id.pb)
+        img = view.findViewById(R.id.img)
+
         tvText = view.findViewById(R.id.tvText)
 
-        progressBar?.indeterminateDrawable?.setColorFilter(
-            array!!.getColor(R.styleable.app_progressColor, resources.getColor(R.color.white)),
+        progressBar.indeterminateDrawable?.setColorFilter(
+            array.getColor(R.styleable.app_progressColor, resources.getColor(R.color.white)),
             PorterDuff.Mode.SRC_ATOP
         )
 
-        var pbSize: Int = array?.getInteger(R.styleable.app_progressBarSize, 32)!!
+        var pbSize: Int = array.getInteger(R.styleable.app_progressBarSize, 32)
         pbSize = Math.round(pbSize * (Resources.getSystem().displayMetrics.density))
 
         val pbParams = LayoutParams(WRAP_CONTENT, pbSize)
         pbParams.gravity = Gravity.CENTER
-        progressBar?.layoutParams = pbParams
+        progressBar.layoutParams = pbParams
 
 
         var text = "Loading Button"
-        if (array!!.getText(R.styleable.app_text) != null) {
-            text = array!!.getText(R.styleable.app_text).toString()
+        if (array.getText(R.styleable.app_text) != null) {
+            text = array.getText(R.styleable.app_text).toString()
         }
 
-        tvText!!.text = text
-        tvText!!.setTextColor(array!!.getColor(R.styleable.app_textColor, resources.getColor(R.color.white)))
+        tvText.text = text
+        tvText.setTextColor(array.getColor(R.styleable.app_textColor, resources.getColor(R.color.white)))
 
-        if (array!!.getBoolean(R.styleable.app_boldText, false)) {
-            tvText!!.setTypeface(null, Typeface.BOLD)
+        if (array.getBoolean(R.styleable.app_boldText, false)) {
+            tvText.setTypeface(null, Typeface.BOLD)
         }
 
-        var size = array!!.getDimension(R.styleable.app_textSize, 14f * Resources.getSystem().displayMetrics.density)
+        var size = array.getDimension(R.styleable.app_textSize, 14f * Resources.getSystem().displayMetrics.density)
         size /= Resources.getSystem().displayMetrics.density
 
-        tvText?.textSize = size
+        tvText.textSize = size
 
-        if (array!!.hasValue(R.styleable.app_customFontFamily)) {
-            val fontId = array!!.getResourceId(R.styleable.app_customFontFamily, -1)
+        if (array.hasValue(R.styleable.app_customFontFamily)) {
+            val fontId = array.getResourceId(R.styleable.app_customFontFamily, -1)
             val typeface = ResourcesCompat.getFont(context, fontId)
-            tvText?.typeface = typeface
+            tvText.typeface = typeface
+        } else {
+            tvText.typeface = null
         }
 
-        array?.recycle()
+        array.recycle()
     }
 
 }

app/src/main/java/com/droidbond/loadingbuttonsample/MainActivity.kt

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:viewportHeight="44" android:viewportWidth="312"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#ffff4444" android:fillType="evenOdd" android:pathData="M0,3C0,1.343 1.343,0 3,0H309C310.657,0 312,1.343 312,3V41C312,42.657 310.657,44 309,44H3C1.343,44 0,42.657 0,41V3Z"/>
+</vector>

loadingbutton/src/main/java/com/droidbond/loadingbutton/LoadingButton.kt

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M9,16.2L4.8,12l-1.4,1.4L9,19 21,7l-1.4,-1.4L9,16.2z"/>
+</vector>

loadingbutton/src/main/res/drawable/ic_bg_red_buttons_style.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:viewportHeight="486.463"
+    android:viewportWidth="486.463" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FFFFFF" android:pathData="M243.225,333.382c-13.6,0 -25,11.4 -25,25s11.4,25 25,25c13.1,0 25,-11.4 24.4,-24.4C268.225,344.682 256.925,333.382 243.225,333.382z"/>
+    <path android:fillColor="#FFFFFF" android:pathData="M474.625,421.982c15.7,-27.1 15.8,-59.4 0.2,-86.4l-156.6,-271.2c-15.5,-27.3 -43.5,-43.5 -74.9,-43.5s-59.4,16.3 -74.9,43.4l-156.8,271.5c-15.6,27.3 -15.5,59.8 0.3,86.9c15.6,26.8 43.5,42.9 74.7,42.9h312.8C430.725,465.582 458.825,449.282 474.625,421.982zM440.625,402.382c-8.7,15 -24.1,23.9 -41.3,23.9h-312.8c-17,0 -32.3,-8.7 -40.8,-23.4c-8.6,-14.9 -8.7,-32.7 -0.1,-47.7l156.8,-271.4c8.5,-14.9 23.7,-23.7 40.9,-23.7c17.1,0 32.4,8.9 40.9,23.8l156.7,271.4C449.325,369.882 449.225,387.482 440.625,402.382z"/>
+    <path android:fillColor="#FFFFFF" android:pathData="M237.025,157.882c-11.9,3.4 -19.3,14.2 -19.3,27.3c0.6,7.9 1.1,15.9 1.7,23.8c1.7,30.1 3.4,59.6 5.1,89.7c0.6,10.2 8.5,17.6 18.7,17.6c10.2,0 18.2,-7.9 18.7,-18.2c0,-6.2 0,-11.9 0.6,-18.2c1.1,-19.3 2.3,-38.6 3.4,-57.9c0.6,-12.5 1.7,-25 2.3,-37.5c0,-4.5 -0.6,-8.5 -2.3,-12.5C260.825,160.782 248.925,155.082 237.025,157.882z"/>
+</vector>

loadingbutton/src/main/res/drawable/ic_done_white_24dp.xml

@@ -22,4 +22,12 @@
             android:layout_gravity="center"
             android:visibility="invisible"
             tools:indeterminateTint="@color/white"/>
+
+    <ImageView
+            android:id="@+id/img"
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content"
+            android:layout_gravity="center"
+            android:src="@drawable/ic_done_white_24dp"
+            android:visibility="invisible"/>
 </FrameLayout>