安卓学习按键Button单击获取EditText内容类登陆

1、<EditText android:id="@+id/EditText1" android:layout_width="match_parent" android:layout_height="50dp" android:hint="请输入XX" android:drawableLeft="@drawable/ic_baseline_people_alt_24" android:drawablePadding="20dp" android:textColorHint="#FF95A1AA" android:paddingLeft="20dp" android:inputType="text" android:focusable="true" />

2、<EditText android:id="@+id/EditText2" android:layout_width="match_parent" android:layout_height="50dp" android:layout_marginTop="10dp" android:hint="请输XX" android:drawableLeft="@drawable/ic_baseline_fingerprint_24" android:drawablePadding="20dp" android:textColorHint="#FF95A1AA" android:paddingLeft="20dp" android:inputType="textPassword" />

3、<Button android:id="@+id/Button1" android:layout_width="160dp" android:layout_height="50dp" android:layout_marginTop="12dp" android:layout_marginLeft="110dp" android:text="登陆" android:textSize="22dp" android:onClick="OnClickEventButton1" />

4、<?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:background="#FFFFFF" android:orientation="vertical" android:padding="10dp" > <EditText android:id="@+id/EditText1" android:layout_width="match_parent" android:layout_height="50dp" android:hint="请输入XX" android:drawableLeft="@drawable/ic_baseline_people_alt_24" android:drawablePadding="20dp" android:textColorHint="#FF95A1AA" android:paddingLeft="20dp" android:inputType="text" android:focusable="true" /> <EditText android:id="@+id/EditText2" android:layout_width="match_parent" android:layout_height="50dp" android:layout_marginTop="10dp" android:hint="请输XX" android:drawableLeft="@drawable/ic_baseline_fingerprint_24" android:drawablePadding="20dp" android:textColorHint="#FF95A1AA" android:paddingLeft="20dp" android:inputType="textPassword" /> <Button android:id="@+id/Button1" android:layout_width="160dp" android:layout_height="50dp" android:layout_marginTop="12dp" android:layout_marginLeft="110dp" android:text="登陆" android:textSize="22dp" android:onClick="OnClickEventButton1" /></LinearLayout>

5、//按键Button1单击事件public void OnClickEventButton1(View view) { if(view.getId() == R.id.Button1) {//确认Button1 id有效 EditText etUser = (EditText)findViewById(R.id.EditText1); EditText etPswd = (EditText)findViewById(R.id.EditText2); Button btLogin = (Button)findViewById(R.id.Button1);//Button1 String strUser = etUser.getText().toString().trim(); String strPswd = etPswd.getText().toString().trim(); if(!strUser.isEmpty() && !strPswd.isEmpty()){ Log.i("xSuper", "xx : " + strUser); Log.i("xSuper", "XX : " + strPswd); } else{ Log.i("xSuper", "XX不允许为空!"); } }}

6、08-09 19:48:20.268 16290-16290/com.xSuper.myapplication I/xSuper: XX或xx不允许为空!

7、08-09 19:49:16.213 16290-16290/com.xSuper.myapplication I/xSuper: xx : hh2021-08-09 19:49:16.213 16290-16290/com.xSuper.myapplication I/xSuper: xx : 123