有没有一个聪明的方法让用户在隐藏和查看密码之间切换在一个android EditText? 许多基于PC的应用程序都允许用户这样做。
当前回答
似乎input_layout。isPasswordVisibilityToggleEnabled = true已弃用。在我的例子中,我在Kotlin中这样做:
input_edit_text.inputType = TYPE_CLASS_TEXT or TYPE_TEXT_VARIATION_PASSWORD
input_layout.endIconMode = END_ICON_PASSWORD_TOGGLE
其中input_edit_text是com.google.android.material.textfield.TextInputEditText, input_layout是com.google.android.material.textfield.TextInputLayout。当然,你应该导入这些asl:
import android.text.InputType.TYPE_CLASS_TEXT
import android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD
import com.google.android.material.textfield.TextInputLayout.END_ICON_PASSWORD_TOGGLE
My可以自定义图标提供的方法如下:
input_layout.endIconDrawable = ...
input_layout.setEndIconOnClickListener { }
input_layout.setEndIconOnLongClickListener(...)
其他回答
你可以使用下面的代码显示/隐藏密码:
XML代码:
<EditText
android:id="@+id/etPassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="21dp"
android:layout_marginTop="14dp"
android:ems="10"
android:inputType="textPassword" >
<requestFocus />
</EditText>
<CheckBox
android:id="@+id/cbShowPwd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/etPassword"
android:layout_below="@+id/etPassword"
android:text="@string/show_pwd" />
JAVA代码:
EditText mEtPwd;
CheckBox mCbShowPwd;
mEtPwd = (EditText) findViewById(R.id.etPassword);
mCbShowPwd = (CheckBox) findViewById(R.id.cbShowPwd);
mCbShowPwd.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// checkbox status is changed from uncheck to checked.
if (!isChecked) {
// show password
mEtPwd.setTransformationMethod(PasswordTransformationMethod.getInstance());
} else {
// hide password
mEtPwd.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
}
}
});
根据这个来源,如果你已经将你的项目迁移到AndroidX,那么你可以替换
编译”com.android.support:设计:24.2.0”
与
实现“com.google.android.material:材料:1.0.0”
然后你所要做的就是把下面的代码放到你的布局文件中:
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:passwordToggleEnabled="true"
android:hint="@string/hint_text">
<com.google.android.material.textfield.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</com.google.android.material.textfield.TextInputLayout>
关于材质TextInputLayout的更多信息可以在这里找到。
对于这个源码,建议从Android支持库迁移到AndroidX:
AndroidX is the open-source project that the Android team uses to develop, test, package, version and release libraries within Jetpack. AndroidX is a major improvement to the original Android Support Library. Like the Support Library, AndroidX ships separately from the Android OS and provides backwards-compatibility across Android releases. AndroidX fully replaces the Support Library by providing feature parity and new libraries. In addition AndroidX includes the following features: All packages in AndroidX live in a consistent namespace starting with the string androidx. The Support Library packages have been mapped into corresponding androidx.* packages. For a full mapping of all the old classes and build artifacts to the new ones, see the Package Refactoring page. Unlike the Support Library, AndroidX packages are separately maintained and updated. The androidx packages use strict Semantic Versioning starting with version 1.0.0. You can update AndroidX libraries in your project independently. All new Support Library development will occur in the AndroidX library. This includes maintenance of the original Support Library artifacts and introduction of new Jetpack components.
尝试https://github.com/maksim88/PasswordEditText项目在github。 你甚至不需要改变你的Java代码使用它。只改变
EditText
标签
com.maksim88.passwordedittext.PasswordEditText
在XML文件中。
private boolean isPasswordVisible;
private TextInputEditText firstEditText;
...
firstEditText = findViewById(R.id.et_first);
...
private void togglePassVisability() {
if (isPasswordVisible) {
String pass = firstEditText.getText().toString();
firstEditText.setTransformationMethod(PasswordTransformationMethod.getInstance());
firstEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
firstEditText.setText(pass);
firstEditText.setSelection(pass.length());
} else {
String pass = firstEditText.getText().toString();
firstEditText.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
firstEditText.setInputType(InputType.TYPE_CLASS_TEXT);
firstEditText.setText(pass);
firstEditText.setSelection(pass.length());
}
isPasswordVisible= !isPasswordVisible;
}
似乎input_layout。isPasswordVisibilityToggleEnabled = true已弃用。在我的例子中,我在Kotlin中这样做:
input_edit_text.inputType = TYPE_CLASS_TEXT or TYPE_TEXT_VARIATION_PASSWORD
input_layout.endIconMode = END_ICON_PASSWORD_TOGGLE
其中input_edit_text是com.google.android.material.textfield.TextInputEditText, input_layout是com.google.android.material.textfield.TextInputLayout。当然,你应该导入这些asl:
import android.text.InputType.TYPE_CLASS_TEXT
import android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD
import com.google.android.material.textfield.TextInputLayout.END_ICON_PASSWORD_TOGGLE
My可以自定义图标提供的方法如下:
input_layout.endIconDrawable = ...
input_layout.setEndIconOnClickListener { }
input_layout.setEndIconOnLongClickListener(...)
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