TabLayout+ViewPager+Fragment+NDK+WebView+动画+自定义View+AIDL+xUtils+Fresco
2018-01-18 17:56
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一, 导入依赖 和 jar 包
compile 'com.jakewharton:butterknife:8.8.1'
compile 'com.jakewharton:butterknife-compiler:8.8.1'
compile 'com.android.support:recyclerview-v7:25.3.1'
compile 'com.facebook.fresco:fresco:1.5.0'
compile 'com.android.support:design:26.0.0-alpha1'
compile 'com.android.support:support-v4:25.3.1' 导入 xUtils.jar gson.jar二, 主页面
1, activity_main.xml
<?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:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="bw.com.bw1511a_month_test.MainActivity"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:id="@+id/tab_layout_id"/>
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/view_pager_id"
/>
</LinearLayout>
2, MainActivity.java
public class MainActivity extends AppCompatActivity {
@BindView(R.id.tab_layout_id)
TabLayout mTabLayout;
private List<String> titles = new ArrayList<>();//标题
@BindView(R.id.view_pager_id)
ViewPager mViewPager;
private List<Fragment> data = new ArrayList<>();//数据源
private MyAdapter adapter;
private Unbinder unbinder;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//绑定ButterKnife
unbinder = ButterKnife.bind(this);
//初始化标题
titles.add("NDK");
titles.add("WebView");
titles.add("动画");
titles.add("自定义View");
titles.add("aidl");
titles.add("获取数据");
//构建数据源
data.add(new NdkFragment());
data.add(new WebViewFragment());
data.add(new AnimationFragment());
data.add(new CustomFragment());
data.add(new AidlFragment());
data.add(new DataFragment());
adapter = new MyAdapter(getSupportFragmentManager());
mViewPager.setAdapter(adapter);
//tabLayout 和 ViewPager 结合
mTabLayout.setupWithViewPager(mViewPager);
}
class MyAdapter extends FragmentPagerAdapter
{
public MyAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
return data.get(position);
}
@Override
public int getCount() {
return data.size();
}
@Override
public CharSequence getPageTitle(int position) {
return titles.get(position);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
//解绑
unbinder.unbind();
}
}
三, 第一个页面 --- NDK
环境配置路径: http://blog.csdn.net/xiuxiu_861223/article/details/78792939
页面: fragment_ndk.xml
<FrameLayout 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"
tools:context="bw.com.bw1511a_month_test.pager1.NdkFragment">
<!-- TODO: Update blank fragment layout -->
<TextView
android:id="@+id/tv_id"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="@color/colorAccent"
android:textSize="30sp"/>
</FrameLayout> 1, 定义 .java 的文件
public class JniTest {
//TODO 后面出现so包后加入即可
static{
System.loadLibrary("app");
}
//-------------------------------
//声明native 修饰的方法
public static native String getStr();
// javah -d jni -classpath ../../build/intermediates/classes/debug bw.com.bw1511a_month_test.pager1.JniTest
} 2, make module "app" -- 生成.class 文件
3, 在studio 的控制台中, 输入 javah的指令 -- 生成 .h 文件
javah -d jni -classpath ../../build/intermediates/classes/debug bw.com.bw1511a_month_test.pager1.JniTest(修改红色的部分为自己的包+类)
4, 在.h 所在的文件夹中, 创建一个和.h 同名的 .c 文件
5, 在.c 的文件中, 写入内容
bw_com_bw1511a_month_test_pager1_JniTest.c
//导包
#include "bw_com_bw1511a_month_test_pager1_JniTest.h"
JNIEXPORT jstring JNICALL Java_bw_com_bw1511a_1month_1test_pager1_JniTest_getStr
(JNIEnv *env, jclass jclass)
{
return (*env)->NewStringUTF(env,"Hello AS!!!!!!");
} 6, make module "app" --- so包
PS：如果构建出现下面错误：
在gradle.properties文件中追加下面代码即可： android.useDeprecatedNdk=true
7, 回到 .java 文件中, 通过静态代码块, 引入so 包
static{
System.loadLibrary("app");
}
8, 在Fragment方法中, 可以通过调用.java 中的方法, 去调用.c的内容
7, 回到 .java 文件中, 通过静态代码块, 引入so 包
static{
System.loadLibrary("app");
}
8, 在Fragment方法中, 可以通过调用.java 中的方法, 去调用.c的内容/**
* 通过ndk 获取C中返回的数据, 将获取的数据显示在TextView 中
*/
public class NdkFragment extends Fragment {
private Unbinder unbinder;
@BindView(R.id.tv_id)
TextView tv;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_ndk, container, false);
//ButterKnife 初始化控件
unbinder = ButterKnife.bind(this,view);
String str = JniTest.getStr();
tv.setText(str);
return view;
}
@Override
public void onDestroyView() {
super.onDestroyView();
//解绑
unbinder.unbind();
}
}
四, 第二个页面 --- WebView
1, 页面 fragment_web_view.xml
<LinearLayout 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:orientation="vertical"
tools:context="bw.com.bw1511a_month_test.pager2.WebViewFragment">
<ProgressBar
android:layout_width="match_parent"
android:layout_height="10dp"
android:id="@+id/pb_id"
style="?android:attr/progressBarStyleHorizontal"
/>
<!-- TODO: Update blank fragment layout -->
<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/web_view_id"/>
</LinearLayout>
2, WebViewFragment.java
/**
* WebView -- 显示网页
*/
public class WebViewFragment extends Fragment {
private Unbinder unbinder;
@BindView(R.id.web_view_id)
WebView webView;
@BindView(R.id.pb_id)
ProgressBar progressBar;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_web_view, container, false);
//ButterKnife的绑定
unbinder = ButterKnife.bind(this,view);
//加载地址
webView.loadUrl("http://www.baidu.com");
//设置支持js
webView.getSettings().setJavaScriptEnabled(true);
//在当前的页面中打开网页
webView.setWebViewClient(new WebViewClient(){
//todo 重定向地址
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
webView.loadUrl("http://www.baidu.com"); // 在Fragment 中, 建议在此处重定向地址
return super.shouldOverrideUrlLoading(view, request);
}
//todo 页面加载开始 -- 进度条显示
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
if(progressBar!=null)
{
progressBar.setVisibility(View.VISIBLE);
}
}
//todo 页面加载完成 -- 进度条消失
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
if(progressBar!=null) progressBar.setVisibility(View.GONE);
}
});
//如果需要和页面中的内容交互 -- 显示加载的进度, 显示页面中的alert 信息
webView.setWebChromeClient(new WebChromeClient(){
@Override
public void onProgressChanged(WebView view, int newProgress) {
super.onProgressChanged(view, newProgress);
//TODO 设置进度值
if(progressBar!=null)
{
progressBar.setProgress(newProgress);
}
}
});
return view;
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();//解绑
}
}五, 第三个页面 -- 动画 -- 补间动画-- 实现 渐变, 缩放, 旋转, 位移, 集合的效果
1, fragment_animaction.xml
<LinearLayout 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:orientation="vertical"
tools:context="bw.com.bw1511a_month_test.pager3.AnimationFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="@+id/but_01"
android:text="渐变"/>
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="@+id/but_02"
android:text="缩放"/>
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="@+id/but_03"
android:text="旋转"/>
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="@+id/but_04"
android:text="位移"/>
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="@+id/but_05"
android:text="集合"/>
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@mipmap/ic_launcher"
android:layout_gravity="center"
android:id="@+id/iv_id"/>
</LinearLayout>
2, AnimationFragment.java
/**
* 通过动画, 实现 渐变, 缩放, 旋转, 位移, 结合的效果
*
*/
public class AnimationFragment extends Fragment implements View.OnClickListener {
private Unbinder unbinder;
@BindView(R.id.iv_id)
ImageView iv;
@BindView(R.id.but_01)
Button but01;
@BindView(R.id.but_02)
Button but02;
@BindView(R.id.but_03)
Button but03;
@BindView(R.id.but_04)
Button but04;
@BindView(R.id.but_05)
Button but05;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_animation, container, false);
unbinder = ButterKnife.bind(this,view);
but01.setOnClickListener(this);
but02.setOnClickListener(this);
but03.setOnClickListener(this);
but04.setOnClickListener(this);
but05.setOnClickListener(this);
return view;
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();
}
@Override
public void onClick(View v) {
switch (v.getId())
{
case R.id.but_01:
//渐变
AlphaAnimation alphaAnimation = new AlphaAnimation(1.0f,0.0f);
alphaAnimation.setDuration(3000);//设置持续时间
//translateAnimation.setFillAfter(true);
iv.startAnimation(alphaAnimation);//启动动画
break;
case R.id.but_02:
//缩放
//ScaleAnimation scaleAnimation = new ScaleAnimation(1f,3f,1f,3f);//左上角
ScaleAnimation scaleAnimation = new ScaleAnimation(1f,3f,1f,3f,
Animation.RELATIVE_TO_SELF,0.5f,//X轴的一半
Animation.RELATIVE_TO_SELF,0.5f);//Y轴的一半
scaleAnimation.setDuration(3000);
iv.startAnimation(scaleAnimation);
break;
case R.id.but_03:
//旋转
// RotateAnimation rotateAnimation = new RotateAnimation(0,720);左上角
RotateAnimation rotateAnimation = new RotateAnimation(0,720,
Animation.RELATIVE_TO_SELF,0.5f,//X轴的一半
Animation.RELATIVE_TO_SELF,0.5f);//Y轴的一半
rotateAnimation.setDuration(3000);
iv.startAnimation(rotateAnimation);
break;
case R.id.but_04:
//位移
TranslateAnimation translateAnimation = new TranslateAnimation(0,500,0,600);
translateAnimation.setDuration(3000);
//translateAnimation.setFillAfter(true);
iv.startAnimation(translateAnimation);
break;
case R.id.but_05:
//集合
AnimationSet animationSet = new AnimationSet(false);
AlphaAnimation aAnimation = new AlphaAnimation(1.0f,0.0f);
TranslateAnimation tAnimation = new TranslateAnimation(0,800,0,800);
animationSet.addAnimation(aAnimation);
animationSet.addAnimation(tAnimation);
animationSet.setDuration(3000);
iv.startAnimation(animationSet);
break;
}
}
}六, 第四个页面 -- 自定义View ---实现柱状图 + 扇形
1, 页面 fragment_custom.xml
<FrameLayout 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"
tools:context="bw.com.bw1511a_month_test.pager4.CustomFragment">
<!-- TODO: Update blank fragment layout -->
<bw.com.bw1511a_month_test.pager4.CustomView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/cs_id"/>
</FrameLayout> 2, CustomView.java
/**
* 柱状图
*/
public class CustomView extends View{
private Paint paint;//画笔
private int rect_width = 30;//柱子的宽度
private int rect_space = 20;//柱子之间的间隔
private int[][] rects = {{Color.RED,300},{Color.GREEN,400},{Color.BLUE,500},{Color.YELLOW,600}};
public CustomView(Context context) {
super(context);
}
public CustomView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
paint = new Paint();
paint.setStrokeWidth(5);//设置画笔的粗细
paint.setAntiAlias(true);//设置抗锯齿
paint.setColor(Color.BLACK);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
//绘制300
canvas.drawText("300",10,getHeight()-350,paint);
//绘制300 对应的 圆
canvas.drawCircle(50,getHeight()-350,5,paint);
//绘制柱子 -- 循环
for(int i = 0;i<rects.length;i++)
{
paint.setColor(rects[i][0]);//设置画笔的颜色
int left = 50 +rect_space +(rect_space+rect_width)*i;
int top = getHeight()-rects[i][1]-50;
canvas.drawRect(left,top,left+rect_width,getHeight()-50,paint);
}
paint.setColor(Color.BLACK);
//绘制X轴
canvas.drawLine(50,getHeight()-50,getWidth()-50,getHeight()-50,paint);
canvas.drawLine(getWidth()-50,getHeight()-50,getWidth()-75,getHeight()-75,paint);
canvas.drawLine(getWidth()-50,getHeight()-50,getWidth()-75,getHeight()-25,paint);
//绘制Y轴
canvas.drawLine(50,50,50,getHeight()-50,paint);
canvas.drawLine(50,50,25,75,paint);
canvas.drawLine(50,50,75,75,paint);
//绘制XY交汇处
canvas.drawCircle(50,getHeight()-50,5,paint);
//绘制扇形
paint.setColor(Color.RED);
RectF rectF = new RectF(500,500,900,900);
canvas.drawArc(rectF,0,160,true,paint);
}
}
七, 第五个页面 -- AIDL -- 读取服务器中的数据库内容
需要 服务端 + 客户端
服务端:
1, 在src/main 目录中创建.aidl 文件
DataAidl.aidl
interface DataAidl {
String getDbInfo();
}
2, 编译工程 -- 生成DataAidl.java文件
3, 数据库的创建 -- DbOpenHelper.java
/**
* 数据库的帮助类
*
*/
public class DbOpenHelper extends SQLiteOpenHelper{
public DbOpenHelper(Context context) {
super(context, "bw1511A.db", null, 1);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("create table if not exists user(_id integer primary key autoincrement,uName,uPwd)");
db.execSQL("insert into user(uName,uPwd) values('abc','123')");
db.execSQL("insert into user(uName,uPwd) values('bcd','222')");
db.execSQL("insert into user(uName,uPwd) values('def','123')");
db.execSQL("insert into user(uName,uPwd) values('eee','234')");
db.execSQL("insert into user(uName,uPwd) values('tre','444')");
db.execSQL("insert into user(uName,uPwd) values('yui','123')");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
4, 创建服务 MyService.java
public class MyService extends Service {
DataAidl.Stub stub = new DataAidl.Stub() {
@Override
public String getDbInfo() throws RemoteException {
//获取数据库中的所有内容, 并且返回
DbOpenHelper dbOpenHelper = new DbOpenHelper(getApplicationContext());
SQLiteDatabase db = dbOpenHelper.getReadableDatabase();
Cursor cursor = db.rawQuery("select * from user",null);
StringBuilder sBuilder = new StringBuilder();
while (cursor.moveToNext())
{
String name = cursor.getString(cursor.getColumnIndex("uName"));
String pwd = cursor.getString(cursor.getColumnIndex("uPwd"));
sBuilder.append("姓名: " + name).append(", 密码: "+pwd).append("\n");
}
Log.e("TAG","--" + sBuilder.toString());
return sBuilder.toString();
//不要忘记了Service 的注册啊} }; @Nullable @Override public IBinder onBind(Intent intent) { return stub; }} 5, 注册Service
<!--注册Service-->
<service android:name=".MyService">
<intent-filter>
<action android:name="com.bw.aidl"/>
</intent-filter>
</service>客户端
1, 将服务器端的aidl 文件夹, 不做任何修改, 复制到 客户端的 src/mian 目录中
2, 编译工程 -- 生成DataAidl.java文件
3, AidlFragment.java
/**
* 客户端 -- 服务器端 获取数据库中所有内容
*客户端:
* 绑定服务
* 在绑定成功的回调方法中,得到 .ava 对象
* 可以根据对象, 调用方法
*
*/
public class AidlFragment extends Fragment {
private Unbinder unbinder;
@BindView(R.id.tv_id)
TextView tv;
//检测服务是否绑定成功
private ServiceConnection connection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
try {
//获取aidl 对应的.java 文件
DataAidl dataAidl = DataAidl.Stub.asInterface(service);
String str = dataAidl.getDbInfo();
tv.setText(str);
} catch (RemoteException e) {
e.printStackTrace();
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_aidl, container, false);
//绑定
unbinder = ButterKnife.bind(this,view);
return view;
}
//todo 绑定服务
@Override
public void onResume() {
super.onResume();
Intent intent = new Intent("com.bw.aidl");
intent.setPackage("bw.com.server");//5.0 后必须加--服务器的包名一致
getContext().bindService(intent,connection, Context.BIND_AUTO_CREATE);
}
//todo 解绑服务
@Override
public void onPause() {
super.onPause();
getContext().unbindService(connection);
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();//解绑
}
} 4, 页面 -- fragment_aidl.xml<FrameLayout 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"
tools:context="bw.com.bw1511a_month_test.pager5.AidlFragment">
<!-- TODO: Update blank fragment layout -->
<TextView
android:id="@+id/tv_id"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="@string/hello_blank_fragment" />
</FrameLayout>
八, 网络获取数据 -- xUtils获取数据, 展示到RecycleView 中, 图片获取用Fresco
1, 创建MyApp.java
public class MyApp extends Application {
@Override
public void onCreate() {
super.onCreate();
//初始化
x.Ext.init(this);
x.Ext.setDebug(true);
Fresco.initialize(this);
}
}2, 在清单文件中引入
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application
android:name=".MyApp"
android:allowBackup="true"3, DataFagment.java
/**
* 通过网络请求框架 获取网络数据 -- xUtils -- 初始化
* 通过Fresco 获取网络图片 -- 初始化
* 点击每个条目, 弹出AlertDialog, 显示选中的内容
*/
public class DataFragment extends Fragment {
private Unbinder unbinder;
@BindView(R.id.rv_id)
RecyclerView recyclerView;
@Override
public View onCreateView(LayoutInflater inflater, final ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_data, container, false);
unbinder = ButterKnife.bind(this,view);
//设置显示的模式
recyclerView.setLayoutManager(new LinearLayoutManager(getContext(),LinearLayoutManager.VERTICAL,false));
//为RecycleView 设置动画
//获取网络数据 -- 设置适配器
RequestParams params = new RequestParams("http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=20&page=1");
x.http().get(params, new Callback.CommonCallback<String>() {
@Override
public void onSuccess(String s) {
//解析得到数据源
CookBook cookBook = new Gson().fromJson(s,CookBook.class);
final List<CookBook.DataBean> data = cookBook.getData();
//适配器
MyRecycleViewAdapter adapter = new MyRecycleViewAdapter(getContext(),data);
recyclerView.setAdapter(adapter);
//TODO --1-- 为RecycleView 设置监听器
adapter.setOnItemClickListener(new MyRecycleViewAdapter.OnItemClickListener() {
@Override
public void onClick(int position) {
//自定义对话框, 显示详细信息
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
//加载页面
View dialogView = LayoutInflater.from(getContext()).inflate(R.layout.dialog_view,null);
//加载控件
SimpleDraweeView sdv = (SimpleDraweeView) dialogView.findViewById(R.id.sdv_id);
TextView tv = (TextView) dialogView.findViewById(R.id.tv_id);
//设置内容
sdv.setImageURI(Uri.parse(data.get(position).getPic()));
tv.setText(data.get(position).getTitle());
//设置显示的页面
builder.setView(dialogView);
//显示对话框
builder.show();
}
@Override
public void onLongClick(int position) {
}
});
}
@Override
public void onError(Throwable throwable, boolean b) {
}
@Override
public void onCancelled(CancelledException e) {
}
@Override
public void onFinished() {
}
});
return view;
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();
}
}4, 页面 fragment_data.xml<FrameLayout 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"
tools:context="bw.com.bw1511a_month_test.pager6.DataFragment">
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/rv_id" />
</FrameLayout>
5, 页面 item_rv.xml<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:fresco="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.facebook.drawee.view.SimpleDraweeView
android:layout_width="200dp"
android:layout_height="200dp"
android:id="@+id/sdv_id"
fresco:placeholderImage="@mipmap/ic_launcher"
fresco:roundedCornerRadius="10dp"
fresco:roundTopLeft="true"
fresco:roundTopRight="true"
fresco:roundBottomLeft="true"
fresco:roundBottomRight="true"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="标题"
android:id="@+id/title_id"
android:textSize="20sp"
android:layout_marginTop="10dp"/>
</LinearLayout>6, dialog_view.xml -- 点击条目弹出的对话框<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:fresco ="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:padding="20dp">
<com.facebook.drawee.view.SimpleDraweeView
android:layout_width="200dp"
android:layout_height="200dp"
fresco:placeholderImage="@mipmap/ic_launcher"
android:id="@+id/sdv_id"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_id"
android:text="标题"
android:textSize="20sp"
/>
</LinearLayout>7, MyRecycleViewAdapter.javapublic class MyRecycleViewAdapter extends RecyclerView.Adapter<MyRecycleViewAdapter.ViewHolder> {
private OnItemClickListener mOnItemClickListener;//TODO 为RecycleView 设置监听器
private Context context;
private List<CookBook.DataBean> data;
public MyRecycleViewAdapter(Context context,List<CookBook.DataBean> data)
{
this.context = context;
this.data = data;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(context).inflate(R.layout.item_rv,parent,false);
ViewHolder viewHolder = new ViewHolder(view);
return viewHolder;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
Uri uri = Uri.parse(data.get(position).getPic());
holder.sdv.setImageURI(uri);
holder.title.setText(data.get(position).getTitle());
//TODO --1-- 为RecycleView 设置监听器
if( mOnItemClickListener!= null){
holder.itemView.setOnClickListener( new View.OnClickListener() {
@Override
public void onClick(View v) {
mOnItemClickListener.onClick(position);
}
});
holder. itemView.setOnLongClickListener( new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
mOnItemClickListener.onLongClick(position);
return false;
}
});
}
}
@Override
public int getItemCount() {
return data.size();
}
class ViewHolder extends RecyclerView.ViewHolder
{
@BindView(R.id.sdv_id)
SimpleDraweeView sdv;
@BindView(R.id.title_id)
TextView title;
public ViewHolder(View itemView) {
super(itemView);
ButterKnife.bind(this,itemView);
}
}
//TODO --1-- 为RecycleView 设置监听器 --- 自定义接口
public interface OnItemClickListener{
void onClick( int position);
void onLongClick( int position);
}
//TODO --1-- 向外提供公共的方法
public void setOnItemClickListener(OnItemClickListener onItemClickListener ){
this. mOnItemClickListener=onItemClickListener;
}
}
8, CookBook.java - - GsonFormant 生成的实体类
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