android实现密码框右侧显示小眼睛

本文实例为大家分享了android实现密码框右侧显示小眼睛的具体代码，供大家参考，具体内容如下

实现效果

<?xml version="1.0" encoding="utf-8"?>

//主要代码如下

重要代码

private boolean isHideFirst = true;// 输入框密码是否是隐藏的，默认为true   if (isHideFirst == true) {            imageView.setImageResource(R.drawable.open);            //密文            HideReturnsTransformationMethod method1 = HideReturnsTransformationMethod.getInstance();            et_password_code.setTransformationMethod(method1);            isHideFirst = false;          } else {            imageView.setImageResource(R.drawable.close);            //密文            TransformationMethod method = PasswordTransformationMethod.getInstance();            et_password_code.setTransformationMethod(method);            isHideFirst = true;           }     // 光标的位置     int index = et_password_code.getText().toString().length();    et_password_code.setSelection(index);

package com.ynrd.entrepreneur.activity; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle;import android.text.method.HideReturnsTransformationMethod;import android.text.method.PasswordTransformationMethod;import android.text.method.TransformationMethod;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView; import com.ynrd.entrepreneur.R;import com.ynrd.entrepreneur.utils.CountDownTimerUtils; public class RegisterActivity extends BaseCommonActivity implements View.OnClickListener {   private Button bu_register_code;  private TextView tv_register_login_password;  private boolean isHideFirst = true;// 输入框密码是否是隐藏的，默认为true  private boolean isFirst = true;// 是否密码登录,默认是验证码登录   private ImageView imageView;  private EditText et_password_code;  private LinearLayout linear_password_code,password_liner;   @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_register);  }   @Override  protected void initViews() {    super.initViews();    //获取验证码    bu_register_code = findViewById(R.id.bu_register_code);    tv_register_login_password = findViewById(R.id.tv_register_login_password);    imageView = findViewById(R.id.imageView);    et_password_code = findViewById(R.id.et_password_code);    linear_password_code = findViewById(R.id.linear_password_code);    password_liner = findViewById(R.id.password_liner);  }   @Override  protected void initListeners() {    super.initListeners();    bu_register_code.setOnClickListener(this);    tv_register_login_password.setOnClickListener(this);    imageView.setOnClickListener(this);    imageView.setImageResource(R.drawable.close);  }   @Override  public void onClick(View v) {    switch (v.getId()){      case R.id.bu_register_code:        //验证码方法 后期调用服务器        CountDownTimerUtils mCountDownTimerUtils = new CountDownTimerUtils(bu_register_code, 30000, 1000);        mCountDownTimerUtils.start();        break;      case R.id.tv_register_login_password:        if (isFirst == true){          //切换成密码登录          linear_password_code.setVisibility(View.GONE);          password_liner.setVisibility(View.VISIBLE);          tv_register_login_password.setText("使用短信验证码登录 >");          isFirst = false;        }else{          //切换成验证码登录          linear_password_code.setVisibility(View.VISIBLE);          password_liner.setVisibility(View.GONE);          tv_register_login_password.setText("使用密码登录 >");          isFirst = true;        }        break;      case R.id.imageView:          if (isHideFirst == true) {            imageView.setImageResource(R.drawable.open);            //密文            HideReturnsTransformationMethod method1 = HideReturnsTransformationMethod.getInstance();            et_password_code.setTransformationMethod(method1);            isHideFirst = false;          } else {            imageView.setImageResource(R.drawable.close);            //密文            TransformationMethod method = PasswordTransformationMethod.getInstance();            et_password_code.setTransformationMethod(method);            isHideFirst = true;           }          // 光标的位置           int index = et_password_code.getText().toString().length();          et_password_code.setSelection(index);        break;    }  }}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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