Merge pull request #1925 from yingbabywhen/master

#8 #276 提交实验8代码书籍阅读
hzuapps · Jun 11, 2019 · 050bda3 · 050bda3
2 parents 5c05787 + f3ecce6
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diff --git a/...s/soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/BookStore.java b/...s/soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/BookStore.java
@@ -0,0 +1,124 @@
+package edu.hzuapps.androidlabs.homework;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.app.Activity;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+import android.widget.Toast;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class BookStore extends Activity {
+    private EditText et_info;
+    private Button btn_save;
+    private Button btn_read;
+    //定义要显示的书名和图片
+    private String[] bookname={"红楼梦","西游记","水浒传","三国演义",
+            "鲁宾逊飘流记","简·爱","傲慢与偏见","钢铁是怎样炼成的"};
+    private int[] imageId={R.drawable.rendream,R.drawable.westtrave,R.drawable.water,R.drawable.threecountry,
+            R.drawable.lulutrave,R.drawable.jianai,R.drawable.and,R.drawable.howto};
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.index2_activity);
+
+        //获取布局文件中的控件
+        et_info = (EditText) findViewById(R.id.et_info);
+        btn_save = (Button) findViewById(R.id.btn_save);
+        btn_read = (Button) findViewById(R.id.btn_read);
+        //设置按钮点击函数
+        btn_save.setOnClickListener(new ButtonListener());
+        btn_read.setOnClickListener(new ButtonListener());
+
+        //获取activity中的listview对象
+        ListView listView =(ListView) findViewById(R.id.listview);
+        //定义一个适配器对象list_map
+        List<Map<String,Object>> list_map = new ArrayList<Map<String,Object>>();
+        for (int i=0;i<bookname.length;i++){
+            //创建一个键值对的Map集合pr，用来存放名字和头像
+            Map<String,Object> pr = new HashMap<String,Object>();
+            pr.put("fengmian",imageId[i]);
+            pr.put("name",bookname[i]);
+            //把这个存放好数据的Map集合-pr,放入到list(list_map)中
+            list_map.add(pr);
+        }
+
+        SimpleAdapter simplead = new SimpleAdapter(this,list_map,R.layout.index3_activity,new String[]{"name","fengmian"},new int[]{R.id.name,R.id.fegmian});
+        ListView lis1 =(ListView)findViewById(R.id.listview);
+        lis1.setAdapter(simplead);
+        lis1.setOnItemClickListener(new AdapterView.OnItemClickListener(){
+            //list点击事件
+            Bundle bundle = new Bundle();
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id)
+            {
+                // TODO: Implement this method
+                switch(position){
+                    case 0://第一个item
+                        startActivity(new Intent(BookStore.this,
+                                ShowDetail.class));
+                    case 1://第二个item
+                        Intent intent2 = new Intent();
+                        intent2.setClass(BookStore.this, ShowDetail.class);
+                        startActivity(intent2);
+                        break;
+                    case 2://第三个item
+                        Intent intent3 = new Intent();
+                        intent3.setClass(BookStore.this, ShowDetail.class);
+                        startActivity(intent3);
+                        break;
+                }
+            }
+        });
+    }
+
+    //定义Button按钮点击事件
+    private class ButtonListener implements View.OnClickListener {
+        @Override
+        public void onClick(View v) {
+            switch (v.getId()){
+                case R.id.btn_save:
+                    String saveinfo = et_info.getText().toString().trim();
+                    FileOutputStream fileOutputStream;
+                    try {
+                        fileOutputStream=openFileOutput("data.txt", Context.MODE_APPEND);
+                        fileOutputStream.write(saveinfo.getBytes());
+                        fileOutputStream.close();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                    Toast.makeText(BookStore.this,"谢谢您的建议！",Toast.LENGTH_SHORT).show();
+                    break;
+
+                case R.id.btn_read:
+                    String content="";
+                    try{
+                        FileInputStream fileInputStream=openFileInput("data.txt");
+                        byte[] buffer=new byte[fileInputStream.available()];
+                        fileInputStream.read(buffer);
+                        content=new String(buffer);
+                        fileInputStream.close();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                    Toast.makeText(BookStore.this,"您提的建议我们已经采纳："+content,Toast.LENGTH_SHORT).show();
+                    break;
+
+
+                default: break;
+            }
+        }
+    }
+}
diff --git a/...t1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/LocalBookShelf.java b/...t1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/LocalBookShelf.java
@@ -0,0 +1,25 @@
+package edu.hzuapps.androidlabs.homework;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+
+public class LocalBookShelf extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.index_activity);
+
+        TextView btnOpen = (TextView) findViewById(R.id.textview_01);
+        btnOpen.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(LocalBookShelf.this,
+                        BookStore.class));
+            }
+        });
+    }
+}
diff --git a/.../soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/ShowDetail.java b/.../soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/ShowDetail.java
@@ -0,0 +1,130 @@
+package edu.hzuapps.androidlabs.homework;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Bundle;
+import android.app.Activity;
+import android.os.StrictMode;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class ShowDetail extends AppCompatActivity implements SensorEventListener{
+    private Button btn;
+    private ImageView imageview;
+    //创建传感器管理器
+    private SensorManager sensorManager;
+    private Sensor sensor;
+    //创建手机坐标
+    private float lastX;
+    private float lastY;
+    private float lastZ;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.index4_activity);
+//<---点击按钮加载网络图片代码
+        btn = (Button) this.findViewById(R.id.button);
+        imageview = (ImageView) this.findViewById(R.id.imageView);
+        StrictMode.setThreadPolicy(new
+                StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());
+        StrictMode.setVmPolicy(
+                new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().detectLeakedClosableObjects().penaltyLog().penaltyDeath().build());
+
+        btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View arg0) {
+                btn.setEnabled(false);
+                String strURL = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1555265755128&di=2c37ef8866b8f9e51ebfe29f6f79ab6c&imgtype=0&src=http%3A%2F%2Fphoto.16pic.com%2F00%2F50%2F15%2F16pic_5015127_b.jpg";
+                try {
+                    Bitmap bitmap = getBitmap(strURL);
+                    imageview.setImageBitmap(bitmap);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        //点击按钮加载网络图片代码--->
+
+        //<---摇一摇代码
+        //通过调用getSystemService()方法并传入SENSOR_SERVICE参数来创建类的实例
+        sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
+        //通过调用getDefaultSensor()方法并使用TYPE_ACCELEROMETER常量(动作检测（抖动，倾斜等）)
+        // 来获取设备上特定类型的传感器
+        sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+        //摇一摇代码--->
+    }
+    public Bitmap getBitmap(String path) throws IOException {
+        try {
+            URL url = new URL(path);
+            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+            conn.setConnectTimeout(5000);
+            conn.setRequestMethod("GET");
+            if (conn.getResponseCode() == 200) {
+                InputStream inputStream = conn.getInputStream();
+                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+                return bitmap;
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+//<---摇一摇代码
+    //使用onsensorchanged（）方法来监视来自抖动传感器的数据
+    public void onSensorChanged(SensorEvent event) {
+        //接收传感器传回来的手机坐标信息
+        lastX = event.values[0];
+        lastY = event.values[1];
+        lastZ = event.values[2];
+        //将坐标进行运算
+        double shack = Math.sqrt(lastX*lastX + lastY*lastY +lastZ*lastZ);
+        //用来查看当前手机坐标
+        //Toast.makeText(Soft1714080902309Activity.this,String.valueOf(lastX),Toast.LENGTH_SHORT).show();
+        //判断摇晃程度，防止轻微摇晃
+        if(shack >= 12){
+            //达到点击按钮的功能
+            btn.setEnabled(false);
+            String strURL = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1555265755128&di=2c37ef8866b8f9e51ebfe29f6f79ab6c&imgtype=0&src=http%3A%2F%2Fphoto.16pic.com%2F00%2F50%2F15%2F16pic_5015127_b.jpg";
+            try {
+                Bitmap bitmap = getBitmap(strURL);
+                imageview.setImageBitmap(bitmap);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+
+    }
+
+    //使用onresume（）和onpause（）回调方法来注册和注销传感器事件侦听器
+    @Override
+    protected void onResume() {
+        super.onResume();
+        sensorManager.registerListener((SensorEventListener) this, sensor, SensorManager.SENSOR_DELAY_NORMAL);
+    }
+
+    @Override
+    protected void onPause() {
+        //注销传感器侦听器
+        //可以在暂停时将监听器取消,减少手机耗电
+        super.onPause();
+        sensorManager.unregisterListener((SensorEventListener) this);
+    }
+    //摇一摇代码--->
+}
diff --git a/...ents/soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/index3.java b/...ents/soft1714080902309/实验8/app/src/main/java/edu/hzuapps/androidlabs/homework/index3.java
@@ -0,0 +1,14 @@
+package edu.hzuapps.androidlabs.homework;
+
+import android.os.Bundle;
+import android.app.Activity;
+
+public class index3 extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.index3_activity);
+    }
+
+}
diff --git a/students/soft1714080902309/实验8/app/src/main/res/layout/index2_activity.xml b/students/soft1714080902309/实验8/app/src/main/res/layout/index2_activity.xml
@@ -0,0 +1,60 @@
+<?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="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".BookStore">
+
+    <TextView
+        android:id="@+id/text1"
+        android:layout_width="match_parent"
+        android:layout_height="49dp"
+        android:gravity="center"
+        android:text="网络书城" />
+
+    <ListView
+        android:id="@+id/listview"
+        android:layout_width="match_parent"
+        android:layout_height="400dp" />
+
+    <RelativeLayout
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="40dp"
+            android:layout_marginTop="20dp"
+            android:gravity="left"
+            android:text="没有找到喜欢的书？填下你想找的书名，推荐给我们吧！"
+            android:textSize="16dp" />
+
+        <EditText
+            android:id="@+id/et_info"
+            android:layout_width="match_parent"
+            android:layout_height="40dp"
+            android:layout_marginTop="59dp"
+            android:background="@drawable/white"
+            android:maxHeight="80dp"
+            android:textColor="#009688" />
+
+        <Button
+            android:id="@+id/btn_save"
+            android:layout_width="wrap_content"
+            android:layout_height="50dp"
+            android:layout_marginTop="100dp"
+            android:text="提交推荐"
+            android:textSize="20dp" />
+
+        <Button
+            android:id="@+id/btn_read"
+            android:layout_width="wrap_content"
+            android:layout_height="50dp"
+            android:layout_marginLeft="150dp"
+            android:layout_marginTop="100dp"
+            android:text="查看我提交的推荐历史"
+            android:textSize="20dp" />
+    </RelativeLayout>
+
+</LinearLayout>
diff --git a/students/soft1714080902309/实验8/app/src/main/res/layout/index3_activity.xml b/students/soft1714080902309/实验8/app/src/main/res/layout/index3_activity.xml
@@ -0,0 +1,23 @@
+<?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="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".index3">
+
+    <ImageView
+        android:id="@+id/fegmian"
+        android:layout_width="80dp"
+        android:layout_height="50dp"
+        android:paddingLeft="10dp"/>
+
+    <TextView
+        android:id="@+id/name"
+        android:textColor="#FFCC00"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="20dp"/>
+
+</LinearLayout>