<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:context=".MainActivity"
android:background="#f7f7f7"
android:orientation="vertical"
>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imageView3"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="80dp"
android:layout_centerHorizontal="true"
app:srcCompat="@mipmap/xlaj" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="账号"
android:textSize="25sp"
android:layout_weight="2"
/>
<EditText
android:id="@+id/editText"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="11"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/textView3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="密码"
android:textSize="25sp"
android:layout_weight="2"
/>
<EditText
android:id="@+id/editText2"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="11"
/>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="@+id/button"
android:layout_width="380dp"
android:layout_height="wrap_content"
android:text="登录"
android:background="#248dc1"
android:onClick="click"
android:layout_centerHorizontal="true"
/>
</RelativeLayout>
</LinearLayout><?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Main2Activity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_centerInParent="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="输入的账号为"
android:textSize="25sp"
android:layout_weight="7"
/>
<TextView
android:id="@+id/editText"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="11"
android:text=" "
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/textView3"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="输入的密码为"
android:textSize="25sp"
android:layout_weight="7"
/>
<TextView
android:id="@+id/editText2"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="11"
android:text=""
/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
package cn.itcase.QQ;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private Button button;
private EditText editText, editText2;
private TextView textView2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button = (Button) findViewById(R.id.button);
editText = (EditText) findViewById(R.id.editText);
editText2 = (EditText) findViewById(R.id.editText2);
}
public void click(View view){
String ID="123456";
String PassWord="abc123";
String s1=editText.getText().toString();
String s2=editText2.getText().toString();
if (ID.equals(s1)&&PassWord.equals(s2)) {
Toast.makeText(MainActivity.this, "登陆成功", Toast.LENGTH_SHORT).show();
}
else {
Toast.makeText(MainActivity.this, "登录失败", Toast.LENGTH_SHORT).show();
}
Intent intent =new Intent(MainActivity.this,Main2Activity.class);
intent.putExtra("zh",s1);
intent.putExtra("mm",s2);
startActivity(intent);
}
}
package cn.itcase.QQ;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class Main2Activity extends AppCompatActivity {
private TextView editText, editText2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
editText = (TextView) findViewById(R.id.editText);
editText2 = (TextView) findViewById(R.id.editText2);
Intent intent=getIntent();
String zh=intent.getStringExtra("zh");
String mm=intent.getStringExtra("mm");
editText.setText(zh);
editText2.setText(mm);
}
}