Skip to content

Commit

Permalink
hzuapps#6 hzuapps#342 提交实验六
Browse files Browse the repository at this point in the history
  • Loading branch information
@Walk-With-Wind
Walk-With-Wind committed Apr 13, 2019
1 parent df2b711 commit 9e09954
Show file tree
Hide file tree
Showing 4 changed files with 187 additions and 4 deletions.
19 changes: 15 additions & 4 deletions students/soft1714080902205/app/src/main/AndroidManifest.xml
View file
Original file line number Diff line number Diff line change
@@ -1,17 +1,25 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="edu.hzuapps.androidlabs.soft1714080902205">
<!-- 添加网络访问权限 -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />

<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.NoActionBar">
<activity android:name=".NewActivity"/>
android:theme="@style/AppTheme.NoActionBar"
android:usesCleartextTraffic="true">
<activity android:name=".getimage.ImageShow"></activity>
<activity android:name=".booksinfo.BookMian" />
<activity android:name=".NewActivity" />
<activity android:name=".Soft1714080902205Activity_bottom" />
<activity android:name=".Soft1714080902205Activity" android:label="创作工作室"></activity>
<activity
android:name=".Soft1714080902205Activity"
android:label="创作工作室" />
<activity android:name=".Soft1714080902205Activity_start">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
Expand All @@ -25,7 +33,10 @@

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</activity> <!-- 应用自身bug，添加解决 -->
<uses-library
android:name="org.apache.http.legacy"
android:required="false" />
</application>

</manifest>
90 changes: 90 additions & 0 deletions ...5/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902205/getimage/HeadImageView.java
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,90 @@
package edu.hzuapps.androidlabs.soft1714080902205.getimage;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.widget.Toast;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class HeadImageView extends android.support.v7.widget.AppCompatImageView {
public static final int GET_DATA_SUCCESS = 1;
public static final int NETWORK_ERROR = 2;
public static final int SERVER_ERROR = 3;
//子线程不能操作UI，通过Handler设置图片
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what){
case GET_DATA_SUCCESS:
Bitmap bitmap = (Bitmap) msg.obj;
setImageBitmap(bitmap);
break;
case NETWORK_ERROR:
Toast.makeText(getContext(),"网络连接请求失败",Toast.LENGTH_SHORT).show();
break;
case SERVER_ERROR:
Toast.makeText(getContext(),"服务器错误", Toast.LENGTH_SHORT).show();
break;
}
}
};

public HeadImageView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}

public HeadImageView(Context context) {
super(context);
}

public HeadImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}

//设置网络图片
public void setImageURL(final String path) {
//开启一个线程用于联网
new Thread() {
@Override
public void run() {
try {
//把传过来的路径转成URL
URL url = new URL(path);
//获取连接
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
//使用GET方法访问网络
connection.setRequestMethod("GET");
//超时时间为10秒
connection.setConnectTimeout(10000);
//获取返回码
int code = connection.getResponseCode();
if (code == 200) {
InputStream inputStream = connection.getInputStream();
//使用工厂把网络的输入流生产Bitmap
Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
//利用Message把图片发给Handler
Message msg = Message.obtain();
msg.obj = bitmap;
msg.what = GET_DATA_SUCCESS;
handler.sendMessage(msg);
inputStream.close();
}else {
//服务启发生错误
handler.sendEmptyMessage(SERVER_ERROR);
}
} catch (IOException e) {
e.printStackTrace();
//网络连接错误
handler.sendEmptyMessage(NETWORK_ERROR);
}
}
}.start();
}

}
29 changes: 29 additions & 0 deletions ...02205/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902205/getimage/ImageShow.java
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
package edu.hzuapps.androidlabs.soft1714080902205.getimage;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import edu.hzuapps.androidlabs.soft1714080902205.R;

public class ImageShow extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.image_show_activity);

final HeadImageView headImageView = (HeadImageView) findViewById(R.id.image_view);
final EditText et_image = (EditText) findViewById(R.id.et_image) ;
Button button = (Button) findViewById(R.id.button_image);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//直接把网络的图片路径写上就可以显示网络的图片了
headImageView.setImageURL(et_image.getText().toString().trim());
}
});
}
}
53 changes: 53 additions & 0 deletions students/soft1714080902205/app/src/main/res/layout/image_show_activity.xml
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<TextView
android:id="@+id/tv_img_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="设置书籍封面:"
android:textSize="30dp"

/>

<TextView
android:id="@+id/tv_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="图片网址"
android:textSize="20dp"
android:layout_below="@id/tv_img_title"
/>

<EditText
android:id="@+id/et_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="250"
android:layout_toRightOf="@id/tv_image"
android:text="@string/url_text"
android:layout_below="@id/tv_img_title"
/>

<Button
android:id="@+id/button_image"
android:text="加载网络图片"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:layout_below="@id/et_image"
/>



<edu.hzuapps.androidlabs.soft1714080902205.getimage.HeadImageView
android:id="@+id/image_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/button_image"/>

</RelativeLayout>

0 comments on commit 9e09954

Please sign in to comment.