Android.support.design.widget.TextInputLayout Could Not Be Instantiated


Answer :

replace

android.support.design.widget.TextInputLayout

with

com.google.android.material.textfield.TextInputLayout

If you uses AndroidStudio, you should not include android-support-design.jar. Instead, write like below in your build.gradle:

dependencies {     ...     compile 'com.android.support:design:24.0.0'     ... }

Edit: If this doesn't work you are probably using a different version. In Windows, go to: 

[android-sdk]\extras\android\m2repository\com\android\support\design

On Mac:

sdk/extras/android/m2repository/com/android/support/design

This directory holds a number of version folders. Use the latest version on your build.gradle.


add in the build.gradle following this line:

implementation 'com.android.support:design:28.0.0'

and use in the xml file:

 <com.google.android.material.textfield.TextInputLayout                     android:id="@+id/inputLayoutMobile"                     android:layout_width="match_parent"                     android:layout_height="wrap_content"                     android:layout_marginLeft="@dimen/dimen_20dp"                     android:layout_marginRight="@dimen/dimen_20dp"                     android:hint="@string/phone_number"                     android:visibility="gone"                     android.support.design:layout_constraintTop_toBottomOf="@+id/inputLayoutAppServerUrl">                      <com.google.android.material.textfield.TextInputEditText                         android:id="@+id/edtTxtMobile"                         style="@style/Style_TextView"                         android:layout_width="match_parent"                         android:layout_height="wrap_content"                         android:drawableLeft="@drawable/ic_smartphone"                         android:drawablePadding="@dimen/dimen_10dp"                         android:inputType="number"                         android:singleLine="true"                         android:scrollbars="vertical"                         android:text="@={SettingViewModel.mMobileNo}"                         android:textSize="@dimen/font_13sp" />                 </com.google.android.material.textfield.TextInputLayout>

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