<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=".MainActivity" > <LinearLayout android:orientation="horizontal" android:id="@+id/LinearLayout1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="50sp" > <TextView android:id="@+id/tv1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="手机号码:" android:textSize="20sp" /> <EditText android:id="@+id/et1" android:layout_width="192dp" android:layout_height="wrap_content" android:textSize="20sp" android:hint="请输入手机号"/> </LinearLayout> <Button android:id="@+id/bt1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/LinearLayout1" android:layout_centerHorizontal="true" android:layout_marginTop="141dp" android:text="充值" android:onClick="click"/> </RelativeLayout>
<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=".MainActivity" > <LinearLayout android:id="@+id/LinearLayout2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="50sp" android:orientation="horizontal" > <TextView android:id="@+id/tv2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="您要为:" android:textSize="20sp" /> <TextView android:id="@+id/tv4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="6" android:text="" android:textSize="20sp" /> <TextView android:id="@+id/tv3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="充值" android:textSize="20sp" /> </LinearLayout> <LinearLayout android:id="@+id/LinearLayout3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/LinearLayout2" android:layout_below="@+id/LinearLayout2" android:layout_marginTop="43dp" android:orientation="horizontal" > <TextView android:id="@+id/tv5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="充值金额:" android:textSize="20sp" /> <EditText android:id="@+id/et2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="20sp"/> </LinearLayout> <Button android:id="@+id/bt3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBaseline="@+id/bt2" android:layout_alignBottom="@+id/bt2" android:layout_alignParentRight="true" android:layout_marginRight="26dp" android:text="取消充值" android:onClick="click2"/> <Button android:id="@+id/bt2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignRight="@+id/LinearLayout3" android:layout_below="@+id/LinearLayout3" android:layout_marginTop="72dp" android:onClick="click1" android:text="充值" /> </RelativeLayout>
package com.example.myapplication8; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity { private EditText et1; private Button bt1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); et1=(EditText) findViewById(R.id.et1); bt1=(Button) findViewById(R.id.bt1); } //点按钮开启第二个窗口 public void click(View v){ if (et1.length()!=11) { Toast.makeText(this, "输入错误,重新输入", 0).show(); }else { Intent intent=new Intent(this,SecondActiviy.class); String s1=et1.getText().toString(); intent.putExtra("sjh", s1); startActivityForResult(intent, 1); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub String s1 = data.getStringExtra("data"); String s2=et1.getText().toString(); if(requestCode==1){ switch(resultCode){ case 2: Toast.makeText(this,"您成功为用户"+s2+"充值"+s1+"元", 0).show(); break; case 3: Toast.makeText(this,"充值失败", 0).show(); break; } } } }
package com.example.myapplication8; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; //点按钮开启第二个窗口 public class SecondActiviy extends Activity { private EditText et2; private TextView tv4; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.layout); et2=(EditText) findViewById(R.id.et2); tv4=(TextView) findViewById(R.id.tv4); Intent intent=getIntent(); String s1=intent.getStringExtra("sjh"); tv4.setText(s1); } public void click1(View view) { Intent intent = new Intent(); intent.putExtra("data", et2.getText().toString()); setResult(2, intent); finish(); } public void click2(View view) { Intent intent = new Intent(); setResult(3, intent); finish(); } }