Android ClearEditText：输入用户名、密码错误时整体删除及输入为空时候晃动提示

 1 package com.lixu.clearedittext; 2  3  4 import android.app.Activity; 5 import android.os.Bundle; 6 import android.text.TextUtils; 7 import android.view.View; 8 import android.view.View.OnClickListener; 9 import android.widget.Button;10 import android.widget.Toast;11 12 public class MainActivity extends Activity {13   private Toast mToast;14 15   @Override16   protected void onCreate(Bundle savedInstanceState) {17     super.onCreate(savedInstanceState);18     setContentView(R.layout.activity_main);19     20     final ClearEditText username = (ClearEditText) findViewById(R.id.username);21     final ClearEditText password = (ClearEditText) findViewById(R.id.password);22     23     ((Button) findViewById(R.id.login)).setOnClickListener(new OnClickListener() {24       25       @Override26       public void onClick(View v) {27         if(TextUtils.isEmpty(username.getText())){28           //设置晃动29           username.setShakeAnimation();30           //设置提示31           showToast("用户名不能为空");32           return;33         }34         35         if(TextUtils.isEmpty(password.getText())){36           password.setShakeAnimation();37           showToast("密码不能为空");38           return;39         }40       }41     });42   }43   44   /**45    * 显示Toast消息46    * @param msg47   */48   private void showToast(String msg){49     if(mToast == null){50       mToast = Toast.makeText(this, msg, Toast.LENGTH_SHORT);51     }else{52       mToast.setText(msg);53     }54     mToast.show();55   }56 57 58 }

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原标题：Android ClearEditText：输入用户名、密码错误时整体删除及输入为空时候晃动提示

关键词：Android