第一个xml

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/activity_main"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.example.administrator.myapplication.MainActivity">

    <EditText

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:gravity="center"

        android:hint="请输入姓名"

        android:textSize="20sp"

        android:id="@+id/xm_text"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="166dp"/>

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content">

        <Button

            android:layout_width="20dp"

            android:layout_height="50dp"

            android:layout_weight="1"

            android:text="进入评估"

            android:textSize="25sp"

            android:background="#469"

            android:id="@+id/bt_pg"

            android:onClick="onClick"/>

        <Button

            android:layout_weight="1"

            android:layout_width="20dp"

            android:layout_height="50dp"

            android:text="退出"

            android:textSize="25sp"

            android:background="#469"

            android:id="@+id/bt_tc"

            android:onClick="Exit"/>

    </LinearLayout>

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/yf_tv"

        android:textColor="@android:color/black"

        android:layout_margin="30sp"

        android:layout_weight="0.42" />

</LinearLayout>

第二个xml

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="wrap_content"

    android:layout_height="match_parent"

    android:weightSum="1">

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text=""

        android:textSize="25sp"

        android:textColor="#000000"

        android:id="@+id/yf_text2"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="166dp"/>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textSize="25sp"

        android:textColor="#000000"

        android:id="@+id/yf_text1"

        />

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content">

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="有"

            android:textSize="25sp"

            android:id="@+id/bt_yes"

            android:onClick="onClick"/>

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:textSize="25sp"

            android:text="没有"

            android:id="@+id/bt_no"

            android:onClick="onClick"/>

    </LinearLayout>

</LinearLayout>

第一个xml的java

package com.example.administrator.myapplication;

import android.content.Intent;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private EditText xm_text;

    private Button bt_pg,bt_tc;

    private TextView yftv;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        xm_text=(EditText)findViewById(R.id.xm_text);

        bt_pg=(Button)findViewById(R.id.bt_pg);

        bt_tc=(Button)findViewById(R.id.bt_tc);

        String data="";

        Intent intent=getIntent();

        String jg=intent.getStringExtra("result");

        TextView yftv=(TextView)findViewById(R.id.yf_tv);

        data = jg;

        yftv.setText(data);

 

    }

    public void onClick(View view) {

        switch (view.getId()) {

            case R.id.bt_pg:

                PG();

            case R.id.xm_text:

            case R.id.bt_tc:

                finish();

                break;

        }

    }

 

 

    private void PG() {

        Intent intent = new Intent(MainActivity.this, Main.class);

        String text =xm_text.getText().toString();

        intent.putExtra("name",text+"同学:有没有信心学好安卓？");

        startActivity(intent);

    }

}

第二个xml的java

package com.example.administrator.myapplication;

import android.content.Intent;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private EditText xm_text;

    private Button bt_pg,bt_tc;

    private TextView yftv;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        xm_text=(EditText)findViewById(R.id.xm_text);

        bt_pg=(Button)findViewById(R.id.bt_pg);

        bt_tc=(Button)findViewById(R.id.bt_tc);

        String data="";

        Intent intent=getIntent();

        String jg=intent.getStringExtra("result");

        TextView yftv=(TextView)findViewById(R.id.yf_tv);

        data = jg;

        yftv.setText(data);

 

    }

    public void onClick(View view) {

        switch (view.getId()) {

            case R.id.bt_pg:

                PG();

            case R.id.xm_text:

            case R.id.bt_tc:

                finish();

                break;

        }

    }

 

 

    private void PG() {

        Intent intent = new Intent(MainActivity.this, Main.class);

        String text =xm_text.getText().toString();

        intent.putExtra("name",text+"同学:有没有信心学好安卓？");

        startActivity(intent);

    }

}