Buttons How to have a transparent ImageButton: Android? android:background=”@null” For Ripple effect: android:background=”?attr/selectableItemBackgroundBorderless” Shortcut Keys https://developer.android.com/studio/intro/keyboard-shortcuts EditText EditText1.requestFocus(); // this will focus the cursor on the edittext TextInputLayout implementation 'com.google.android.material:material:1.1.0' <com.google.android.material.textfield.TextInputLayout android:id="@+id/enterTextWrapper" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="10dp" android:layout_marginTop="4dp">- <EditText android:id="@+id/txtText" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="Enter Your Text" android:inputType="text" /> </com.google.android.material.textfield.TextInputLayout> final TextInputLayout enterTextWrapper = (TextInputLayout) findViewById(R.id.enterTextWrapper); enterTextWrapper.setHint("Enter Your Text");