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Edittext password属性为true导致hint全角问题

2024-10-27 12:58:39   210人阅读

hint字体受EditText的text字体影响，即受android:typeface的影响。android:typeface有三个取值：“sans”，“serif”，“monospace”,看源码：

setInputType中：

  if (isPassword) {
            setTransformationMethod(PasswordTransformationMethod.getInstance());
            setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0);
        } else if (isVisiblePassword) {
            if (mTransformation == PasswordTransformationMethod.getInstance()) {
                forceUpdate = true;
            }
            setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0);
        } else if (wasPassword || wasVisiblePassword) {
            // not in password mode, clean up typeface and transformation
            setTypefaceFromAttrs(null /* fontFamily */, -1, -1);
            if (mTransformation == PasswordTransformationMethod.getInstance()) {
                forceUpdate = true;
            }
        }

构造函数中：

  if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) {
            setTransformationMethod(PasswordTransformationMethod.getInstance());
            typefaceIndex = MONOSPACE;
        } else if (mEditor != null &&
                (mEditor.mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION))
                == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) {
            typefaceIndex = MONOSPACE;
        }
可以看到当为密码栏时字体是
MONOSPACE

默认Sans，所以会导致字体不一致，找到问题的根源那么解决办法就有了，设成默认的就好：

passEdit.setTypeface(Typeface.SANS_SERIF);


Edittext password属性为true导致hint全角问题


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