hzuapps#6 hzuapps#14 第六次实验

zaitao · May 26, 2018 · 65decd4 · 65decd4
1 parent ce3afcc
commit 65decd4
Show file tree

Hide file tree

Showing 5 changed files with 130 additions and 18 deletions.
diff --git a/soft1614080902138/shiyan61.jpg b/soft1614080902138/shiyan61.jpg
diff --git a/soft1614080902138/shiyan62.jpg b/soft1614080902138/shiyan62.jpg
diff --git a/soft1614080902138/网易云音乐/src/main/AndroidManifest.xml b/soft1614080902138/网易云音乐/src/main/AndroidManifest.xml
@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="edu.hzuapps.androidlabs.Soft1614080902138">
+    package="com.example.user.myapplication">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
         android:allowBackup="true"
@@ -9,14 +16,14 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".Soft1614080902138Activity3">
+        <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=".Soft1614080902138Activity5"></activity>
+        <activity android:name=".Main2Activity" />
     </application>
 
-</manifest>
+</manifest>
diff --git a/...80902138/网易云音乐/src/main/java/edu/hzuapps/androidlabs/Soft1614080902138/Main2Activity.java b/...80902138/网易云音乐/src/main/java/edu/hzuapps/androidlabs/Soft1614080902138/Main2Activity.java
@@ -1,13 +1,91 @@
-package edu.hzuapps.androidlabs.Soft1614080902138;
+package edu.hzuapps.android.Soft1614080902138;
 
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageView;
 
 public class Main2Activity extends AppCompatActivity {
 
+    private EditText editText;
+    private Button button;
+    private ImageView imageView;
+
+    private Bitmap bitmap;
+    //手柄更新的作用
+    Handler handler=new Handler(){
+        public void handleMessage(Message msg) {
+            if(msg.what==111){
+                imageView.setImageBitmap(bitmap);
+            }
+        };
+    };
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main2);
+    //初始化组件
+        editText=(EditText) findViewById(R.id.imagepath);
+        button=(Button) findViewById(R.id.upload);
+        imageView=(ImageView) findViewById(R.id.imageView);
+
+        //给下载按钮添加一个监听
+        button.setOnClickListener(new OnClickListener() {
+            public void onClick(View arg0) {
+                new Thread(t).start();
+            }
+        });
     }
+
+    //为了下载图片资源，开辟一个新的子线程
+    Thread t=new Thread(){
+        public void run() {
+            //下载图片的路径
+            String iPath=editText.getText().toString();
+            try {
+                //对资源链接
+                URL url=new URL(iPath);
+                //打开输入流
+                InputStream inputStream=url.openStream();
+                //对网上资源进行下载转换位图图片
+                bitmap=BitmapFactory.decodeStream(inputStream);
+                handler.sendEmptyMessage(111);
+                inputStream.close();
+
+                //再一次打开
+                inputStream=url.openStream();
+                File file=new File(Environment.getExternalStorageDirectory()+"/haha.gif");
+                FileOutputStream fileOutputStream=new FileOutputStream(file);
+                int hasRead=0;
+                while((hasRead=inputStream.read())!=-1){
+                    fileOutputStream.write(hasRead);
+                }
+                fileOutputStream.close();
+                inputStream.close();
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        };
+    };
+
 }
+
diff --git a/soft1614080902138/网易云音乐/src/main/res/layout/activity_main2.xml b/soft1614080902138/网易云音乐/src/main/res/layout/activity_main2.xml
@@ -8,17 +8,16 @@
     tools:context=".Main2Activity">
 
     <ImageView
-        android:id="@+id/image_view"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:id="@+id/imageView"
+        android:layout_width="276dp"
+        android:layout_height="125dp"
         android:layout_marginBottom="8dp"
 
         android:layout_marginTop="8dp"
-        android:src="@mipmap/erke"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.105"
-        tools:layout_editor_absoluteX="0dp" />
+        app:layout_constraintVertical_bias="0.132"
+        tools:layout_editor_absoluteX="54dp" />
 
     <SeekBar
         android:id="@+id/seekBar"
@@ -28,7 +27,7 @@
         android:layout_marginTop="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.957"
+        app:layout_constraintVertical_bias="0.812"
         tools:layout_editor_absoluteX="51dp" />
 
     <Button
@@ -44,10 +43,10 @@
         android:text="播放/暂停"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.464"
+        app:layout_constraintHorizontal_bias="0.467"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.852" />
+        app:layout_constraintVertical_bias="0.682" />
 
     <Button
         android:id="@+id/button2"
@@ -62,10 +61,10 @@
         android:text="下一首"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.928"
+        app:layout_constraintHorizontal_bias="0.921"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.852" />
+        app:layout_constraintVertical_bias="0.682" />
 
     <Button
         android:id="@+id/button3"
@@ -83,7 +82,7 @@
         app:layout_constraintHorizontal_bias="0.028"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.852" />
+        app:layout_constraintVertical_bias="0.682" />
 
     <TextView
         android:id="@+id/textView"
@@ -99,8 +98,36 @@
         android:text="带着音乐去旅行"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.503"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.434" />
+
+    <Button
+        android:id="@+id/upload"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="80dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginRight="8dp"
+        android:layout_marginStart="8dp"
+        android:text="更换歌曲封面"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.457"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <EditText
+        android:id="@+id/imagepath"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:layout_marginTop="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.982"
+        tools:layout_editor_absoluteX="0dp" />
 
 
 </android.support.constraint.ConstraintLayout>