我正在经历一个奇怪的问题。
我创建了 CustomEdittext类,用于为整个应用程序设置Typeface
,几乎在所有情况下都能成功运行。
我正在使用circo.ttf
问题在于,当我设置 android:inputType="textPassword"
时,文字在输入后停止显示,可能是因为字体没有密码符号或者可能存在其他问题。
以下是我的问题的一个例子:
CustomEdittext.java
public class CustomEdittext extends EditText {
public CustomEdittext(Context context) {
super(context);
changeFonts(context);
}
public CustomEdittext(Context context, AttributeSet attrs) {
super(context, attrs);
changeFonts(context);
}
public CustomEdittext(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
changeFonts(context);
}
@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
super.onDraw(canvas);
}
private void changeFonts(Context context) {
// TODO Auto-generated method stub
Typeface tface = Typeface.createFromAsset(context.getAssets(),"fonts/circo.ttf");
this.setTypeface(tface);
this.setTextColor(Color.parseColor("#921c50"));
Log.i("Input Type", "Type : "+this.getInputType());
}
}
login_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="20dp"
android:orientation="vertical"
android:gravity="center_vertical">
<com.equest.cwely.customviews.CustomTextview
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="LOGIN"
android:textColor="@color/border_pink"
android:textStyle="bold"
android:gravity="center"
android:padding="10dp"
android:layout_marginTop="20dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
<com.equest.cwely.customviews.CustomEdittext
android:id="@+id/edt_username"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Username"
android:singleLine="true"
android:background="@drawable/edittext_bg"
android:layout_marginTop="10dp"
android:ems="10" >
<requestFocus />
</com.equest.cwely.customviews.CustomEdittext>
// this is password field
<com.equest.cwely.customviews.CustomEdittext
android:id="@+id/edt_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:hint="Password"
android:background="@drawable/edittext_bg"
android:singleLine="true"
android:layout_marginTop="10dp"
android:inputType="textPassword" />
<LinearLayout
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:layout_marginTop="10dp"
android:padding="10dp"
android:orientation="vertical">
<Button
android:id="@+id/btn_login"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textColor="@color/border_pink"
android:layout_margin="5dp"
android:background="@drawable/button_bg"
android:text="Login" />
<Button
android:id="@+id/btn_signup"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:layout_margin="5dp"
android:textColor="@color/border_pink"
android:background="@drawable/button_bg"
android:text="Sign Up" />
</LinearLayout>
</LinearLayout>
LoginActivity.java
public class LoginActivity extends Activity {
Button btn_login,btn_signup;
EditText edt_username,edt_password;
String result = "";
String username = "",password = "";
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.login_main);
edt_username = (EditText)findViewById(R.id.edt_username);
edt_password = (EditText)findViewById(R.id.edt_password);
edt_password.setTransformationMethod(new PasswordTransformationMethod());
btn_login = (Button)findViewById(R.id.btn_login);
btn_login.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
username = edt_username.getText().toString();
password = edt_password.getText().toString();
//new doLogin().execute();
}
});
btn_signup = (Button)findViewById(R.id.btn_signup);
btn_signup.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getApplicationContext(), RegisterActivity.class);
startActivity(intent);
}
});
}
}
答案 0 :(得分:8)
您所包含的字体似乎不包含默认用于密码转换的符号的字符。您有两种选择:
使用其他字体
将掩码字符更改为字体包含的内容。
因为我推测你不是一个放弃者,所以这里有一些代码可以将掩码字符从点(•)更改为星号(*)。
首先,您必须使自己的PasswordTransformationMethod
覆盖默认值:
public class AsteriskPasswordTransformationMethod extends PasswordTransformationMethod {
@Override
public CharSequence getTransformation(CharSequence source, View view) {
return new PasswordCharSequence(source);
}
private class PasswordCharSequence implements CharSequence {
private CharSequence mSource;
public PasswordCharSequence(CharSequence source) {
mSource = source; // Store char sequence
}
public char charAt(int index) {
// This is where we make it an asterisk. If you wish to use
// something else then change what this returns
return '*';
}
public int length() {
return mSource.length(); // Return default
}
public CharSequence subSequence(int start, int end) {
return mSource.subSequence(start, end); // Return default
}
}
};
最后,将新的转换方法设置为您想要屏蔽的EditText
。
edt_password = (EditText)findViewById(R.id.edt_password);
edt_password.setTransformationMethod(new AsteriskPasswordTransformationMethod());
我使用了来自this question的信息。