java.lang.NumberFormatException: For input string: "."
	at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:2043)
	at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
	at java.lang.Double.parseDouble(Double.java:538)
	at com.entitcs.office_attendance.sales.Sales_Product_Master$3.onTextChanged(Sales_Product_Master.java:283)
	at android.widget.TextView.sendOnTextChanged(TextView.java:10688)
	at android.widget.TextView.handleTextChanged(TextView.java:10795)
	at android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:13718)
	at android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:1267)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:576)
	at android.text.SpannableStringBuilder.delete(SpannableStringBuilder.java:230)
	at android.text.SpannableStringBuilder.delete(SpannableStringBuilder.java:37)
	at android.text.method.BaseKeyListener.backspaceOrForwardDelete(BaseKeyListener.java:370)
	at android.text.method.BaseKeyListener.backspace(BaseKeyListener.java:71)
	at android.text.method.BaseKeyListener.onKeyDown(BaseKeyListener.java:479)
	at android.text.method.NumberKeyListener.onKeyDown(NumberKeyListener.java:148)
	at android.widget.TextView.doKeyDown(TextView.java:8547)
	at android.widget.TextView.onKeyDown(TextView.java:8321)
	at android.view.KeyEvent.dispatch(KeyEvent.java:2857)
	at android.view.View.dispatchKeyEvent(View.java:14418)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.widget.ScrollView.dispatchKeyEvent(ScrollView.java:514)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1970)
	at com.android.internal.policy.DecorView.superDispatchKeyEvent(DecorView.java:557)
	at com.android.internal.policy.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1879)
	at android.app.Activity.dispatchKeyEvent(Activity.java:4151)
	at androidx.core.app.ComponentActivity.superDispatchKeyEvent(ComponentActivity.java:122)
	at androidx.core.view.KeyEventDispatcher.dispatchKeyEvent(KeyEventDispatcher.java:84)
	at androidx.core.app.ComponentActivity.dispatchKeyEvent(ComponentActivity.java:140)
	at androidx.appcompat.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:599)
	at androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59)
	at androidx.appcompat.app.AppCompatDelegateImpl$AppCompatWindowCallback.dispatchKeyEvent(AppCompatDelegateImpl.java:3068)
	at androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59)
	at com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:453)
	at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:6503)
	at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:6368)
	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5802)
	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5866)
	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5825)
	at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:6011)
	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5833)
	at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:6068)
	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5806)
	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5866)
	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:5825)
	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:5833)
	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:5806)
	at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:8737)
	at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:8688)
	at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:8641)
	at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:5552)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:254)
	at android.app.ActivityThread.main(ActivityThread.java:8243)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:612)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1006)