TextInputLayout animation overlaps the text when t

问题:

I am using TextInputLayout with the design support library 22.2.1.

I set the value of the EditText programmatically, and when the screen appears, I can see that the hint of the TextInputLayout overlaps the text inside, before moving in the floating position.

Here a simple layout:

    <android.support.design.widget.TextInputLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <EditText
            android:id="@+id/editText1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="hint1" />

    </android.support.design.widget.TextInputLayout> 

In my Activity:

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test);

        EditText e1 = (EditText) findViewById(R.id.editText1);
        e1.setText("TEXT TEST 1");
   }

Does anyone know a workaround?

回答1:

Currently the only way to avoid this behavior is to add the EditText programmatically.

1. Create a TextInputLayout without the EditText. Programmatically or via XML inflation - doesn't matter, but it has to be empty.
2. Create the EditText and set its text to whatever you need.
3. Add the EditTExt to the TextInputLayout.

Here's an example:

TextInputLayout til = (TextInputLayout) findViewById(R.id.til);
til.setHint(R.string.hint);

EditText et = new EditText(getContext());
et.setText(value);

til.addView(et);

UPDATED 21/08/2015 WITH DESIGN LIBRARY V23:

With the design support library v23 you can disable the animation:

Just use the setHintAnimationEnabled method:

textInputLayout.setHintAnimationEnabled(boolean)

Here the issue on Google Tracker.

回答2:

I ran into this issue recently while using DialogFragment. To solve, simply disable the hint animation if you have a value in the field before you set the field value. The order is important.

For example,

TextInputLayout layout = (TextInputLayout) findViewById(R.id.text_layout);
TextInputEditText edit = (TextInputEditText) findViewById(R.id.text_edit);

String fieldValue = "Something";

layout.setHintAnimationEnabled(fieldValue == null);
edit.setText(fieldValue);

This way the layout does not initiate the animation when the text is set. You can also watch for text changes and enable it again when the field is empty.

回答3:

You can directly specify in the XML for TextInputLayout :

 app:hintAnimationEnabled="false"