Android更改錯誤驗證文本字段的顏色

Question

如果您查看圖片，可以在文本字段上使用setError（）時看到錯誤文本和文本字段變爲紫色。我想讓這個RED像它應該的那樣，有人知道如何改變它嗎？

Purple text field

RegisterActivity

public class RegisterActivity extends AppCompatActivity { 
    private static final String TAG = "RegisterActivity"; 

    @InjectView(R.id.nameWrapper) TextInputLayout _nameWrapper; 
    @InjectView(R.id.input_name) EditText _nameText; 
    @InjectView(R.id.input_email) EditText _emailText; 
    @InjectView(R.id.input_password) EditText _passwordText; 
    @InjectView(R.id.fragment_login_password_visibility) ImageView _passwordToggle; 
    @InjectView(R.id.fragment_login_confirm_password_visibility) ImageView _confirmPasswordToggle; 
    @InjectView(R.id.input_confirmPassword) EditText _confirmPasswordText; 
    @InjectView(R.id.btn_signup) Button _signupButton; 
    @InjectView(R.id.link_login) TextView _loginLink; 


    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_register); 
     ButterKnife.inject(this); 
     //_passwordToggle.setVisibility(View.GONE); 
     //_confirmPasswordToggle.setVisibility(View.GONE); 

     _signupButton.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       signup(); 
      } 
     }); 

     _loginLink.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       // Finish the registration screen and return to the Login activity 
       finish(); 
      } 
     }); 

     _passwordText.addTextChangedListener(new TextWatcher() { 
      @Override 
      public void beforeTextChanged(CharSequence s, int start, int count, int after) { 
       //_passwordToggle.setVisibility(s.length() > 0 ? View.VISIBLE : View.GONE); 
      } 

      @Override 
      public void onTextChanged(CharSequence s, int start, int before, int count) { 
      } 

      @Override 
      public void afterTextChanged(Editable s) { 
       //_passwordToggle.setVisibility(s.length() > 0 ? View.VISIBLE : View.GONE); 
      } 
     }); 
     _passwordToggle.setOnTouchListener(mPasswordVisibleTouchListener); 

     _confirmPasswordText.addTextChangedListener(new TextWatcher() { 
      @Override 
      public void beforeTextChanged(CharSequence s, int start, int count, int after) { 
       //_passwordToggle.setVisibility(s.length() > 0 ? View.VISIBLE : View.GONE); 
      } 

      @Override 
      public void onTextChanged(CharSequence s, int start, int before, int count) { 
      } 

      @Override 
      public void afterTextChanged(Editable s) { 
       //_confirmPasswordToggle.setVisibility(s.length() > 0 ? View.VISIBLE : View.GONE); 
      } 
     }); 
     _confirmPasswordToggle.setOnTouchListener(mConfirmPasswordVisibleTouchListener); 
    } 

    private View.OnTouchListener mPasswordVisibleTouchListener = new View.OnTouchListener() { 
     @Override 
     public boolean onTouch(View v, MotionEvent event) { 
      final boolean isOutsideView = event.getX() < 0 || 
        event.getX() > v.getWidth() || 
        event.getY() < 0 || 
        event.getY() > v.getHeight(); 

      // change input type will reset cursor position, so we want to save it 
      final int cursor = _passwordText.getSelectionStart(); 

      if (isOutsideView || MotionEvent.ACTION_UP == event.getAction()) 
       _passwordText.setInputType(InputType.TYPE_CLASS_TEXT | 
         InputType.TYPE_TEXT_VARIATION_PASSWORD); 
      else 
       _passwordText.setInputType(InputType.TYPE_CLASS_TEXT | 
         InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 

      _passwordText.setSelection(cursor); 
      return true; 
     } 
    }; 

    private View.OnTouchListener mConfirmPasswordVisibleTouchListener = new View.OnTouchListener() { 
     @Override 
     public boolean onTouch(View v, MotionEvent event) { 
      final boolean isOutsideView = event.getX() < 0 || 
        event.getX() > v.getWidth() || 
        event.getY() < 0 || 
        event.getY() > v.getHeight(); 

      // change input type will reset cursor position, so we want to save it 
      final int cursor = _confirmPasswordText.getSelectionStart(); 

      if (isOutsideView || MotionEvent.ACTION_UP == event.getAction()) 
       _confirmPasswordText.setInputType(InputType.TYPE_CLASS_TEXT | 
         InputType.TYPE_TEXT_VARIATION_PASSWORD); 
      else 
       _confirmPasswordText.setInputType(InputType.TYPE_CLASS_TEXT | 
         InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 

      _confirmPasswordText.setSelection(cursor); 
      return true; 
     } 
    }; 

    public void signup() { 
     Log.d(TAG, "Begin Signup process..."); 

     if (!validate()) { 
      onSignupFailed(); 
      return; 
     } 

     _signupButton.setEnabled(false); 

     final ProgressDialog signupProgressDialog = new ProgressDialog(RegisterActivity.this, 
       R.style.Theme_IAPTheme); 
     signupProgressDialog.setIndeterminate(true); 
     signupProgressDialog.setMessage("Creating Account..."); 
     signupProgressDialog.show(); 

     String name = _nameText.getText().toString(); 
     String email = _emailText.getText().toString(); 
     String password = _passwordText.getText().toString(); 
     String confirmPassword = _confirmPasswordText.getText().toString(); 

     // TODO: Implement your own signup logic here. 

     Response.Listener<String> responseListener = new Response.Listener<String>() { 
      @Override 
      public void onResponse(String response) { 
       try { 
        Log.i("tagconvertstr", "["+response+"]"); 
        JSONObject jsonResponse = new JSONObject(response); 
        boolean success = jsonResponse.getBoolean("success"); 
        if (success) { 
         onSignupSuccess(); 
        } else { 
         onSignupFailed(); 
        } 
       } catch (JSONException e) { 
        e.printStackTrace(); 
       } 
      } 
     }; 

     RegisterRequest registerRequest = new RegisterRequest(name, email, password, responseListener); 
     RequestQueue queue = Volley.newRequestQueue(RegisterActivity.this); 
     queue.add(registerRequest); 

     /*new android.os.Handler().postDelayed(
       new Runnable() { 
        public void run() { 

         // On complete call either onSignupSuccess or onSignupFailed 
         // depending on success 
         onSignupSuccess(); 
         // onSignupFailed(); 
         progressDialog.dismiss(); 
        } 
       }, 3000);*/ 
    } 

    public void onSignupSuccess() { 
     Toast.makeText(getBaseContext(), "Signup Successful", Toast.LENGTH_LONG).show(); 
     _signupButton.setEnabled(true); 
     setResult(RESULT_OK, null); 
     finish(); 
    } 

    public void onSignupFailed() { 
     Toast.makeText(getBaseContext(), "Signup Failed", Toast.LENGTH_LONG).show(); 
     _signupButton.setEnabled(true); 
    } 

    public boolean validate() { 
     boolean valid = true; 

     Drawable errorIcon = getResources().getDrawable(R.drawable.eye); 
     errorIcon.setBounds(new Rect(0, 0, 100, 100)); 


     String name = _nameText.getText().toString(); 
     String email = _emailText.getText().toString(); 
     String password = _passwordText.getText().toString(); 
     String confirmPassword = _confirmPasswordText.getText().toString(); 

     //Trainer Name validation 
     if (name.isEmpty() || name.length() < 3) { 
      _nameWrapper.setError("enter at least 3 characters"); 
      _nameWrapper.setErrorEnabled(true); 
      valid = false; 
     } else { 
      _nameWrapper.setError(null); 
     } 

     //E-Mail validation 
     if (email.isEmpty() || !android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()) { 
      _emailText.setError("enter a valid email address"); 
      valid = false; 
     } else { 
      _emailText.setError(null); 
     } 

     //Password validation 
     if (password.isEmpty() || password.length() < 4 || password.length() > 10) { 
      _passwordText.setError("between 4 and 20 alphanumeric characters"); 
      valid = false; 
     }else { 
      _passwordText.setError(null); 
     } 

     //Confirm Password validation 
     if (password.equals(confirmPassword)){ 
      _confirmPasswordText.setError(null); 
     }else { 
      _confirmPasswordText.setError("passwords do not match"); 
      valid = false; 
     } 

     return valid; 
    } 
} 

activity_register.xml

<?xml version="1.0" encoding="utf-8"?> 
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:android.support.design="http://schemas.android.com/tools" 
    android:fitsSystemWindows="true" 
    android:background="@color/black"> 

    <!-- Start of Grid Layout --> 
    <GridLayout 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:paddingTop="56dp" 
     android:paddingLeft="24dp" 
     android:paddingRight="24dp" 
     android:orientation="vertical"> 

     <!-- Logo Icon at the top of the app --> 
     <ImageView android:src="@drawable/logo" 
      android:layout_height="72dp" 
      android:layout_marginBottom="24dp" 
      android:layout_column="0" 
      android:layout_row="0" 
      android:layout_columnSpan="2" /> 

     <!-- Name Text Field --> 
     <android.support.design.widget.TextInputLayout 
      android:id="@+id/nameWrapper" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_marginTop="8dp" 
      android:layout_marginBottom="8dp" 
      android:layout_column="0" 
      android:layout_row="1" 
      android:layout_gravity="fill_horizontal" 
      android:layout_columnSpan="2"> 
      <android.support.design.widget.TextInputEditText 
       android:id="@+id/input_name" 
       android:theme="@style/MyEditTextTheme" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:inputType="textCapWords" 
       android:hint="Trainer Name (Gamer Tag)" /> 
     </android.support.design.widget.TextInputLayout> 

     <!-- Email Text Field --> 
     <android.support.design.widget.TextInputLayout 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_marginTop="8dp" 
      android:layout_marginBottom="8dp" 
      android:textColor="#ffffff" 
      android:textColorHint="#ffffff" 
      android:layout_column="0" 
      android:layout_row="3" 
      android:layout_gravity="fill_horizontal" 
      android:layout_columnSpan="2"> 
      <EditText android:id="@+id/input_email" 
       android:theme="@style/MyEditTextTheme" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:maxLength="60" 
       android:inputType="textEmailAddress" 
       android:hint="E-Mail Address" /> 
     </android.support.design.widget.TextInputLayout> 

     <!-- Password Text Field --> 

     <android.support.design.widget.TextInputLayout 
      android:layout_height="wrap_content" 
      android:layout_marginTop="8dp" 
      android:layout_marginBottom="8dp" 
      android:textColor="#ffffff" 
      app:passwordToggleEnabled="false" 
      android:textColorHint="#ffffff" 
      android:layout_column="0" 
      android:layout_row="4" 
      android:layout_gravity="fill_horizontal"> 
      <EditText android:id="@+id/input_password" 
       android:theme="@style/MyEditTextTheme" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:maxLength="20" 
       android:inputType="textPassword" 
       android:hint="Password" /> 
     </android.support.design.widget.TextInputLayout> 

     <!-- Confirm Password Text Field --> 
     <android.support.design.widget.TextInputLayout 
      android:layout_height="wrap_content" 
      android:layout_marginTop="8dp" 
      android:layout_marginBottom="8dp" 
      android:textColor="#ffffff" 
      app:passwordToggleEnabled="false" 
      android:textColorHint="#ffffff" 
      android:layout_column="0" 
      android:layout_row="5" 
      android:layout_gravity="fill_horizontal"> 
      <EditText android:id="@+id/input_confirmPassword" 
       android:theme="@style/MyEditTextTheme" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:maxLength="20" 
       android:inputType="textPassword" 
       android:hint="Confirm Password"/> 
     </android.support.design.widget.TextInputLayout> 

     <!-- Signup Button --> 
     <android.support.v7.widget.AppCompatButton 
      android:id="@+id/btn_signup" 
      android:gravity="fill_horizontal" 
      android:layout_height="wrap_content" 
      android:layout_marginTop="24dp" 
      android:layout_marginBottom="24dp" 
      android:padding="12dp" 
      android:text="Create Account" 
      android:layout_column="0" 
      android:layout_row="6" 
      android:layout_columnSpan="2" 
      android:layout_gravity="fill_horizontal" 
      android:textAlignment="center" /> 

     <!-- Link to Login Activity --> 
     <TextView android:id="@+id/link_login" 
      android:gravity="fill_horizontal" 
      android:layout_height="wrap_content" 
      android:layout_marginBottom="24dp" 
      android:text="Already a member? Login" 
      android:textColor="#ffffff" 
      android:textSize="16dip" 
      android:layout_column="0" 
      android:layout_row="7" 
      android:layout_columnSpan="2" 
      android:layout_gravity="fill_horizontal" 
      android:textAlignment="center" /> 

     <!-- Password Toggle Icon for Password field --> 
     <ImageView 
      android:id="@+id/fragment_login_password_visibility" 
      android:layout_width="24dp" 
      android:layout_height="24dp" 
      android:clickable="true" 
      android:src="@drawable/eye" 
      android:layout_row="4" 
      android:layout_column="1" 
      android:foregroundGravity="center_vertical" 
      android:layout_gravity="center_vertical" /> 

     <!-- Password Toggle Icon for Confirm Password field --> 
     <ImageView 
      android:id="@+id/fragment_login_confirm_password_visibility" 
      android:layout_width="24dp" 
      android:layout_height="24dp" 
      android:clickable="true" 
      android:src="@drawable/eye" 
      android:layout_row="5" 
      android:layout_column="1" 
      android:foregroundGravity="center_vertical" 
      android:layout_gravity="center_vertical" /> 

    </GridLayout> 
</ScrollView> 

的strings.xml

<resources xmlns:android="http://schemas.android.com/tools" xmlns:app="urn:oasis:names:tc:xliff:document:1.2"> 
    <string name="title_activity_maps">Map</string> 
    <!--CODE FOR BUTTON OVERLAY--> 
    <string name="Popular"></string> 
    <string name="AZ"></string> 
    <string name="Category"></string> 
    <string name="NearBy"></string> 
    <color name="bg_color">#ffffff</color> 
    <color name="black">#222222</color> 
    <color name="white">#ffffff</color> 
    <style name="MyEditTextTheme"> 
     <item name="colorControlNormal">#ffffff</item> 
     <item name="colorControlActivated">#ffffff</item> 
     <item name="colorControlHighlight">#ffffff</item> 
     <item name="colorAccent">@android:color/white</item> 
     <item name="android:textColor">#ffffff</item> 
     <item name="android:textColorHint">#ffffff</item> 
    </style> 
</resources> 

Answer 1

在你styles.xml的文件，你可以創建一個使用@android:style/TextAppearance

<style name="error_appearance" parent="@android:style/TextAppearance"> 
    <item name="android:textColor">@color/red_500</item> 
    <item name="android:textSize">12sp</item> 
</style> 

自定義樣式並在您TextInputLayout小部件使用它：

<android.support.design.widget.TextInputLayout 
      android:id="@+id/emailInputLayout" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      app:errorTextAppearance="@style/error_appearance"> 

或者，你可以修改你的主題改變textColorError

<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> 
    <item name="colorControlNormal">@color/control_normal</item> 
    <item name="colorControlActivated">@color/control_activated</item> 
    <item name="textColorError">@color/error</item> 
    <!-- other styles... --> 
</style> 

並在您的AndroidManifest.xml中使用：

<application 
    android:theme="@style/AppTheme" 
    android:icon="@drawable/ic_launcher" 
    android:label="@string/app_name"> 

    <!-- ... --> 

</application>