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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.support.design.widget;
     18 
     19 import com.example.android.support.design.R;
     20 
     21 import android.os.Bundle;
     22 import android.support.design.widget.TextInputLayout;
     23 import android.support.v7.app.AppCompatActivity;
     24 import android.view.View;
     25 
     26 /**
     27  * This demonstrates idiomatic usage of {@code TextInputLayout}
     28  */
     29 public class TextInputLayoutUsage extends AppCompatActivity {
     30 
     31     private TextInputLayout mUsernameInputLayout;
     32     private TextInputLayout mPasswordInputLayout;
     33 
     34     @Override
     35     protected void onCreate(Bundle savedInstanceState) {
     36         super.onCreate(savedInstanceState);
     37         setContentView(R.layout.design_text_input);
     38 
     39         mUsernameInputLayout = (TextInputLayout) findViewById(R.id.input_username);
     40         mPasswordInputLayout = (TextInputLayout) findViewById(R.id.input_password);
     41     }
     42 
     43     public void showError(View view) {
     44         mUsernameInputLayout.setError("Some unknown error has occurred");
     45     }
     46 
     47     public void clearError(View view) {
     48         mUsernameInputLayout.setError(null);
     49     }
     50 
     51     public void setPasswordEnabled(View view) {
     52         mPasswordInputLayout.setPasswordVisibilityToggleEnabled(true);
     53     }
     54 
     55     public void setPasswordDisabled(View view) {
     56         mPasswordInputLayout.setPasswordVisibilityToggleEnabled(false);
     57     }
     58 
     59     public void toggleEnabled(View view) {
     60         mUsernameInputLayout.setEnabled(!mUsernameInputLayout.isEnabled());
     61     }
     62 
     63 }
     64