Android intent互相传值

package com.zhuoxiang.enlightnment.Activity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.zhuoxiang.enlightnment.R;

public class MainActivity extends Activity {
    Bundle bundle;
    public static int Main = 1000;
    public static int LOG = 1001;

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == Main && resultCode == LOG) {
            bundle = data.getExtras();
            final String result = bundle.getString("user1");
            final String result1 = bundle.getString("pwd1");
            Toast.makeText(MainActivity.this, result + result1, Toast.LENGTH_SHORT).show();

        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
        Button button1 = (Button) findViewById(R.id.button1);final EditText user = (EditText) findViewById(R.id.edit);
        final EditText pwd = (EditText) findViewById(R.id.edit1);
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this, TiaoZhuanActivity.class);
                bundle = new Bundle();
                bundle.putString("user", user.getText().toString());
                bundle.putString("pwd", pwd.getText().toString());
                intent.putExtras(bundle);
                startActivityForResult(intent, Main);
            }
        });

    }
}

package com.zhuoxiang.enlightnment.Activity;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.Toast;

import com.zhuoxiang.enlightnment.R;

public class TiaoZhuanActivity extends AppCompatActivity {
    Bundle bundle;
    Intent intent;
    public static int LOG = 1001;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.tiaozhuanlayout);
        intent = getIntent();
        bundle = intent.getExtras();
        final String user = bundle.getString("user");
        final String pwd = bundle.getString("pwd");
        final EditText user1 = (EditText) findViewById(R.id.edit);
        final EditText pwd1 = (EditText) findViewById(R.id.edit1);
        Toast.makeText(TiaoZhuanActivity.this, user + pwd, Toast.LENGTH_SHORT).show();
        user1.setText(user);
        pwd1.setText(pwd);
        Button button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                intent = new Intent();
                bundle = new Bundle();
                bundle.putString("user1", user1.getText().toString());
                bundle.putString("pwd1", pwd1.getText().toString());
                intent.putExtras(bundle);
                setResult(LOG, intent);
                finish();
            }
        });
}
}

 

<?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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.zhuoxiang.enlightnment.Activity.TiaoZhuanActivity">

    <EditText
        android:id="@+id/edit"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <EditText
        android:id="@+id/edit1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/edit" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/edit1"
        android:text="button" />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button1"
        android:text="anniu"
        android:layout_below="@+id/edit1"/>
</RelativeLayout>