趙山河.-优快云博客

原创 RecyView Adapter

package com.dayou.menluo.adapter; import android.content.ContentResolver; import android.content.Context; import android.database.Cursor; import android.graphics.Color; import android.net.Uri; impor...

2019-04-12 10:49:40 260

原创 RadioGroup与ViewPage联动

xml布局文件 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:too...

2018-11-29 17:34:02 587

原创点击两次返回键退出应用

//重写onKeyUp(),实现连续两次点击方可退出当前应用 private boolean flag = true; private static final int WHAT_RESET_BACK = 1; private Handler handler = new Handler(){ @Override public void handleMessage(Message m...

2018-06-20 20:13:42 288

原创 Raiogroup和Fragment

<?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:layout_width="m

2018-06-14 16:48:31 207

原创属性动画

动画有道地址: http://note.youdao.com/noteshare?id=2b872250a6f97b877e48aab26069834b&sub=D0C3896DD6424D5DAA0E5D0AFF8B4892 http://note.youdao.com/noteshare?id=1118ead60b64fe5ffb4a65eecf2ed502&sub=67

2018-01-28 20:56:46 249

原创动画

0.0 不可见, 1.0 可见 android:fromAlpha="" 开始的透明度 android:toAlpha="" 结束的透明度通用属性: android:duration="" 持续时间毫秒 android:fillAfter="" 是否保存结束时的状态 android:

2018-01-28 20:55:00 223

原创 xUtils的使用

//首先自定义一个apppackage bw.com.bw_day01_xutils; import android.app.Application; import org.xutils.x; /** * 3, 定义Application 的子类, 初始化xUtils */ public class MyApp extends Application{ @Override

2018-01-24 08:57:58 947

原创 Volley网络获取

package com.animee.day19; import android.app.Application; import com.android.volley.RequestQueue; import com.android.volley.toolbox.Volley; /** * Created by Administrator on 2018/1/1

2018-01-18 10:11:35 282

原创复杂pull解析

package com.animee.day15.xml_test; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlPullParserFactory; import java.io.ByteArrayIn

2018-01-15 09:02:14 174

原创 okHttp网络请求

package com.animee.day14.okhttp; import java.io.IOException; import java.util.Map; import java.util.Set; import okhttp3.FormBody; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.

2018-01-12 07:48:25 326

原创 XML三种解析

//Pull解析 package com.example.rikao_12; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlPullParserFactory; import java.io.ByteArrayInput

2018-01-11 08:38:59 249

原创 fastjson解析并存储文件

package com.animee.day12.json_text; import android.content.Context; import android.content.res.AssetManager; import android.util.Log; import com.alibaba.fastjson.JSON; import java.io.ByteArrayOutpu

2018-01-10 08:28:13 3536

原创蓝牙连接发送消息

//主界面布局 xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_pare

2018-01-09 08:36:00 2652

原创异步下载

class MyTask extends AsyncTask{ @Override protected String doInBackground(Void... params) { try { URL url = new URL(path); HttpURLC

2018-01-07 21:16:37 213

原创获取本地视频

主界面Activity package com.animee.day07.demo04; import android.content.ContentResolver; import android.database.Cursor; import android.net.Uri; import android.provider.MediaStore; import android.supp

2018-01-07 20:57:17 782

原创简单音乐播放器

package com.example.music; import android.content.ContentResolver; import android.database.Cursor; import android.icu.text.SimpleDateFormat; import android.media.MediaPlayer; import android.net.Uri;

2018-01-05 07:44:02 288

原创相机拍照返回展示

package com.animee.day07.demo03; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import andr

2018-01-03 21:12:05 476

原创画圆和SlidingMenu

package com.example.rikao_8_test; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.util.AttributeSet; impor

2018-01-03 21:07:21 189

原创 Tooarbar

package com.example.administrator.weektest1_sprint; import android.os.AsyncTask; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.GridLayoutM

2018-01-02 08:14:43 270

原创获取联系人

package com.animee.day02.demo01; import android.content.ContentResolver; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.ContactsContract

2017-12-29 07:49:04 277

原创简单瀑布应用

package com.example.mode3_testthree; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Stagger

2017-12-27 20:25:02 185

原创 ListView适配器

package alice.bw.com.app2; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import andro

2017-12-21 12:04:26 165

原创 EventBus广播

package com.example.pulltorefreshlistview; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Toast; import com.handmark.pullt

2017-12-21 11:49:16 130

原创 ViewPager左右滑动Fragment

package com.example.myapplication; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.view.ViewPager; import an

2017-12-21 11:18:07 154

原创通知消息提示

package alice.bw.com.zhoukao03demo.fragment; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; imp

2017-12-21 11:08:32 757

原创吐司

package com.bw.aday04_toast; import android.content.Context; import android.os.CountDownTimer; import android.os.Handler; import android.util.Log; import android.view.Gravity; import android.view.La

2017-12-21 11:06:25 246

原创 PopuWindow

package com.example.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Gravity; import android.view.View; import android.widget.PopupWindow;

2017-12-21 10:49:45 221

原创 Sharedprefres

package com.example.sharedpreferences; import android.content.SharedPreferences; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompa

2017-12-21 10:46:02 183

原创对话框

package com.example.administrator.myandriodialog; import android.app.DatePickerDialog; import android.app.ProgressDialog; import android.app.TimePickerDialog; import android.content.DialogInterface;

2017-12-21 10:43:49 185

原创 SD卡读写

package com.example.menu; import android.os.Bundle; import android.os.Environment; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import andr

2017-12-20 21:10:59 260

原创三种菜单的简单应用

package com.example.menu; import android.graphics.Color; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.PopupMenu; import android.view.Con

2017-12-20 21:02:47 228

原创数据库

package com.example.administrator.myapplication; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase;

2017-12-20 16:01:02 251

qq_41345883的博客