主界面

MainActivity

需要跳转的页面

FirstActivity

主界面代码：

package com.example.admin.zkotlin

import android.annotation.TargetApi
import android.app.Activity
import android.content.Context
import android.content.Intent
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.PixelFormat
import android.hardware.Camera
import android.os.Build
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.os.Environment
import android.os.Handler
import android.util.Log
import android.view.Surface
import android.view.SurfaceHolder
import android.view.SurfaceView
import android.view.View
import android.widget.Button
import android.widget.ImageView
import android.widget.Toast
import kotlinx.android.synthetic.main.activity_main.*
import java.io.File
import java.io.FileOutputStream


class MainActivity : AppCompatActivity() ,View.OnClickListener{

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        button.setOnClickListener(this)

    }

    override fun onClick(view: View?) {
        when (view!!.id){
            R.id.button -> {
                var intent = Intent(this@MainActivity,FirstActivity::class.java)
                var bundle = Bundle()
                bundle.putString("name","张飞")
                intent.putExtras(bundle)
                startActivity(intent)
            }
        }
    }


}

跳转的页面：

package com.example.admin.zkotlin



import android.annotation.TargetApi
import android.app.Activity
import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.graphics.PixelFormat
import android.hardware.Camera
import android.os.Build
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.os.Environment
import android.os.Handler
import android.util.Log
import android.view.Surface
import android.view.SurfaceHolder
import android.view.SurfaceView
import android.widget.ImageView
import android.widget.Toast
import kotlinx.android.synthetic.main.activity_photo.*
import java.io.File
import java.io.FileOutputStream


class FirstActivity : AppCompatActivity() {



    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_photo)
        var bundle = this.intent.extras
        first_btn.text =  bundle.get("name").toString()

    }


}

清单文件注册：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.admin.zkotlin">

    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />


    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".FirstActivity"/>
    </application>

</manifest>

end