pinggu

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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context="com.example.mpyypm.pinggu.MainActivity">
<EditText
android:layout_width="350dp"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:hint="请输入姓名"
    android:textSize="30sp"
    android:id="@+id/name"
    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:id="@+id/pinggu"
        android:layout_width="20dp"
        android:layout_height="50dp"
        android:layout_weight="0.62"
        android:text="进入评估"
        android:textSize="25sp"
        android:onClick="onClick"/>
    <Button
        android:id="@+id/exit"
        android:layout_weight="0.41"
        android:layout_width="20dp"
        android:layout_height="50dp"
        android:text="退出"
        android:textSize="25sp"
        android:onClick="Exit"/>
</LinearLayout>
<TextView
    android:id="@+id/result"
    android:layout_gravity="center"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:textColor="@android:color/black"
    android:layout_weight="0.41"
    android:layout_margin="30sp"/>
</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/bnt_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/bnt_text1"
    />
<LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
    <Button
        android:layout_width="182dp"
        android:layout_height="wrap_content"
        android:text="有"
        android:textSize="25sp"
        android:id="@+id/yes"
        android:onClick="onClick"/>
    <Button
        android:layout_width="192dp"
        android:layout_height="wrap_content"
        android:textSize="25sp"
        android:text="没有"
        android:id="@+id/no"
        android:onClick="onClick"/>
</LinearLayout>

第一部分的JAVA代码

package com.example.mpyypm.pinggu;
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;
import static com.example.mpyypm.pinggu.R.id.result;
public class MainActivity extends AppCompatActivity {
private EditText name;
private Button pinggu,exit;
private TextView result;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    name=(EditText)findViewById(R.id.name);
    pinggu=(Button)findViewById(R.id.pinggu);
    exit=(Button)findViewById(R.id.exit);
    String data="";
    Intent intent=getIntent();
    String jg=intent.getStringExtra("result");
    TextView result=(TextView)findViewById(R.id.result);
    data = jg;
    result.setText(data);
}
public void onClick(View view) {
    switch (view.getId()) {
        case R.id.pinggu:
            pinggu();
        case R.id.name:
        case R.id.result:
            finish();
            break;
    }
}
private void pinggu() {
    Intent intent = new Intent(MainActivity.this, Main2Activity.class);
    String text =name.getText().toString();
    intent.putExtra("name",text+"同学:对学习安卓有没有信心？");
    startActivity(intent);
}

}

第二部分的JAVA代码

package com.example.mpyypm.pinggu;
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.TextView;
public class Main2Activity extends AppCompatActivity {
private Button yes, no;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
yes = (Button) findViewById(R.id.yes);
no = (Button) findViewById(R.id.no);
    String data = "";
    Intent intent = getIntent();
    String jg = intent.getStringExtra("name");
    TextView question = (TextView) findViewById(R.id.bnt_text1);
    data = jg;
    question.setText(data);
}
public void onClick(View view){
    switch (view.getId()){
        case R.id.yes:
            hd1();
            break;
        case R.id.no:
            hd2();
            break;
    }
}
public void hd1(){
    Intent intent = new Intent(Main2Activity.this,MainActivity.class);
    String hda = yes.getText().toString();
    intent.putExtra("result","对学习安卓有信心");
    startActivity(intent);
    finish();
}
public void hd2(){
    Intent intent = new Intent(Main2Activity.this,MainActivity.class);
    String hdb = no.getText().toString();
    intent.putExtra("result","对学习安卓没有信心");
    startActivity(intent);
    finish();
}

}