pinggu

第一个XML

第二个XML

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();
}
}