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students/soft1714080902333/app/src/main/AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?> | ||
<manifest xmlns:android="http://schemas.android.com/apk/res/android" | ||
package="edu.hzuapps.androidlabs.soft1714080902333"> | ||
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<uses-permission android:name="android.permission.INTERNET" /> | ||
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<!-- 存储权限--> | ||
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> | ||
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> | ||
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> | ||
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> | ||
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> | ||
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> | ||
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> | ||
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<!-- 摄像头权限--> | ||
<uses-permission android:name="android.permission.CAMERA" /> | ||
<uses-permission android:name="android.permission.VIBRATE" /> | ||
<uses-feature android:name="android.hardware.camera" /> | ||
<uses-feature android:name="android.hardware.camera.autofocus" /> | ||
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<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" | ||
android:usesCleartextTraffic="true"> | ||
<activity android:name=".activity.StoreActivity" /> | ||
<activity android:name=".activity.NewsActivity" /> | ||
<activity | ||
android:name=".activity.MainActivity" | ||
android:label="@string/app_name" | ||
android:theme="@style/AppTheme.NoActionBar"> | ||
<intent-filter> | ||
<action android:name="android.intent.action.MAIN" /> | ||
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<category android:name="android.intent.category.LAUNCHER" /> | ||
</intent-filter> | ||
</activity> | ||
</application> | ||
</manifest> |
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...33/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902333/activity/MainActivity.java
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package edu.hzuapps.androidlabs.soft1714080902333.activity; | ||
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import android.Manifest; | ||
import android.content.Intent; | ||
import android.content.pm.PackageManager; | ||
import android.os.Bundle; | ||
import android.support.annotation.NonNull; | ||
import android.support.design.widget.FloatingActionButton; | ||
import android.support.design.widget.Snackbar; | ||
import android.support.v4.app.ActivityCompat; | ||
import android.support.v4.content.ContextCompat; | ||
import android.view.View; | ||
import android.support.design.widget.NavigationView; | ||
import android.support.v4.view.GravityCompat; | ||
import android.support.v4.widget.DrawerLayout; | ||
import android.support.v7.app.ActionBarDrawerToggle; | ||
import android.support.v7.app.AppCompatActivity; | ||
import android.support.v7.widget.Toolbar; | ||
import android.view.Menu; | ||
import android.view.MenuItem; | ||
import android.widget.AdapterView; | ||
import android.widget.ListView; | ||
import android.widget.Toast; | ||
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import com.acker.simplezxing.activity.CaptureActivity; | ||
import com.loopj.android.http.AsyncHttpClient; | ||
import com.loopj.android.http.AsyncHttpResponseHandler; | ||
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import java.io.UnsupportedEncodingException; | ||
import java.util.List; | ||
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import cz.msebera.android.httpclient.Header; | ||
import edu.hzuapps.androidlabs.soft1714080902333.adapter.NewsAdapter; | ||
import edu.hzuapps.androidlabs.soft1714080902333.bean.NewsInfo; | ||
import edu.hzuapps.androidlabs.soft1714080902333.R; | ||
import edu.hzuapps.androidlabs.soft1714080902333.utils.HttpUtils; | ||
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public class MainActivity extends AppCompatActivity | ||
implements NavigationView.OnNavigationItemSelectedListener { | ||
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private static final int REQ_CODE_PERMISSION = 0x1111; | ||
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private ListView lv_news; | ||
private List<NewsInfo> newsInfos; | ||
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@Override | ||
protected void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
setContentView(R.layout.activity_main); | ||
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); | ||
setSupportActionBar(toolbar); | ||
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FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); | ||
fab.setOnClickListener(new View.OnClickListener() { | ||
@Override | ||
public void onClick(View view) { | ||
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) | ||
.setAction("Action", null).show(); | ||
} | ||
}); | ||
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DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); | ||
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle( | ||
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); | ||
drawer.addDrawerListener(toggle); | ||
toggle.syncState(); | ||
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NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); | ||
navigationView.setNavigationItemSelectedListener(this); | ||
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lv_news = (ListView) findViewById(R.id.lv_news); | ||
fillData(); | ||
} | ||
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@Override | ||
public void onBackPressed() { | ||
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); | ||
if (drawer.isDrawerOpen(GravityCompat.START)) { | ||
drawer.closeDrawer(GravityCompat.START); | ||
} else { | ||
super.onBackPressed(); | ||
} | ||
} | ||
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@Override | ||
public boolean onCreateOptionsMenu(Menu menu) { | ||
// Inflate the menu; this adds items to the action bar if it is present. | ||
getMenuInflater().inflate(R.menu.main, menu); | ||
return true; | ||
} | ||
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@Override | ||
public boolean onOptionsItemSelected(MenuItem item) { | ||
// Handle action bar item clicks here. The action bar will | ||
// automatically handle clicks on the Home/Up button, so long | ||
// as you specify a parent activity in AndroidManifest.xml. | ||
int id = item.getItemId(); | ||
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//noinspection SimplifiableIfStatement | ||
if (id == R.id.action_settings) { | ||
} | ||
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return super.onOptionsItemSelected(item); | ||
} | ||
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@SuppressWarnings("StatementWithEmptyBody") | ||
@Override | ||
public boolean onNavigationItemSelected(MenuItem item) { | ||
// Handle navigation view item clicks here. | ||
int id = item.getItemId(); | ||
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if (id == R.id.nav_camera) { // 启动二维码扫描 | ||
// 动态申请权限 | ||
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA) != | ||
PackageManager.PERMISSION_GRANTED) { | ||
ActivityCompat.requestPermissions(MainActivity.this, | ||
new String[] {Manifest.permission.CAMERA}, REQ_CODE_PERMISSION); | ||
} else { | ||
startCaptureActivityForResult(); | ||
} | ||
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} else if (id == R.id.nav_gallery) { // 启动便签 | ||
Intent intent = new Intent(); | ||
intent.setClass(MainActivity.this, StoreActivity.class); | ||
startActivity(intent); | ||
MainActivity.this.finish(); | ||
} else if (id == R.id.nav_slideshow) { | ||
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} else if (id == R.id.nav_manage) { | ||
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} else if (id == R.id.nav_share) { | ||
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} else if (id == R.id.nav_send) { | ||
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} | ||
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DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); | ||
drawer.closeDrawer(GravityCompat.START); | ||
return true; | ||
} | ||
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@Override | ||
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { | ||
super.onRequestPermissionsResult(requestCode, permissions, grantResults); | ||
switch (requestCode) { | ||
case REQ_CODE_PERMISSION: { | ||
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { | ||
// 同意权限申请 | ||
startCaptureActivityForResult(); | ||
} else { | ||
// 不同意权限申请 | ||
Toast.makeText(this, "相机权限为开启,无法使用二维码扫描功能", Toast.LENGTH_LONG).show(); | ||
} | ||
} | ||
break; | ||
} | ||
} | ||
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// 解析JSON文件 | ||
private void fillData() { | ||
AsyncHttpClient client = new AsyncHttpClient(); | ||
// 获取JSON文件(存储在Tomcat上) | ||
client.get("http://10.60.223.30:8080/NewsInfo.json", new AsyncHttpResponseHandler() { | ||
@Override | ||
public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) { | ||
try { | ||
String json = new String(responseBody, "utf-8"); | ||
newsInfos = HttpUtils.getNewsInfo(json); | ||
// 解析失败 | ||
if (newsInfos == null) { | ||
Toast.makeText(MainActivity.this, "解析失败", Toast.LENGTH_LONG).show(); | ||
} | ||
// 解析成功 | ||
else { | ||
// 设置ListView内容 | ||
lv_news.setAdapter(new NewsAdapter(MainActivity.this, newsInfos)); | ||
// 设置点击事件 | ||
lv_news.setOnItemClickListener(new AdapterView.OnItemClickListener() { | ||
@Override | ||
public void onItemClick(AdapterView<?> parent, View view, int position, long id) { | ||
Bundle bundle = new Bundle(); | ||
bundle.putString("uri", newsInfos.get(position).getUrl()); | ||
Intent intent = new Intent(); | ||
intent.setClass(MainActivity.this, NewsActivity.class); | ||
intent.putExtras(bundle); | ||
startActivity(intent); | ||
} | ||
}); | ||
} | ||
} catch (UnsupportedEncodingException e) { | ||
e.printStackTrace(); | ||
} | ||
} | ||
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@Override | ||
public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) { | ||
} | ||
}); | ||
} | ||
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// 启动二维码扫描目标Activity | ||
private void startCaptureActivityForResult() { | ||
Intent intent = new Intent(MainActivity.this, CaptureActivity.class); | ||
Bundle bundle = new Bundle(); | ||
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bundle.putBoolean(CaptureActivity.KEY_NEED_BEEP, CaptureActivity.VALUE_BEEP); | ||
bundle.putBoolean(CaptureActivity.KEY_NEED_VIBRATION, CaptureActivity.VALUE_VIBRATION); | ||
bundle.putBoolean(CaptureActivity.KEY_NEED_EXPOSURE, CaptureActivity.VALUE_NO_EXPOSURE); | ||
bundle.putByte(CaptureActivity.KEY_FLASHLIGHT_MODE, CaptureActivity.VALUE_FLASHLIGHT_OFF); | ||
bundle.putByte(CaptureActivity.KEY_ORIENTATION_MODE, CaptureActivity.VALUE_ORIENTATION_AUTO); | ||
bundle.putBoolean(CaptureActivity.KEY_SCAN_AREA_FULL_SCREEN, CaptureActivity.VALUE_SCAN_AREA_FULL_SCREEN); | ||
bundle.putBoolean(CaptureActivity.KEY_NEED_SCAN_HINT_TEXT, CaptureActivity.VALUE_SCAN_HINT_TEXT); | ||
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intent.putExtra(CaptureActivity.EXTRA_SETTING_BUNDLE, bundle); | ||
startActivityForResult(intent, CaptureActivity.REQ_CODE); | ||
} | ||
} |
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...33/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902333/activity/NewsActivity.java
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package edu.hzuapps.androidlabs.soft1714080902333.activity; | ||
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import android.support.v7.app.AppCompatActivity; | ||
import android.os.Bundle; | ||
import android.webkit.WebSettings; | ||
import android.webkit.WebView; | ||
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import edu.hzuapps.androidlabs.soft1714080902333.R; | ||
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public class NewsActivity extends AppCompatActivity { | ||
@Override | ||
protected void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
setContentView(R.layout.activity_news); | ||
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// 新页面接收数据 | ||
Bundle bundle = this.getIntent().getExtras(); | ||
// 接收name值 | ||
String name = bundle.getString("uri"); | ||
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WebView webView = (WebView) findViewById(R.id.mWebView); | ||
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WebSettings webSettings = webView.getSettings(); | ||
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// Js交互权限 | ||
webSettings.setJavaScriptEnabled(true); | ||
webSettings.setJavaScriptCanOpenWindowsAutomatically(true); | ||
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webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); | ||
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webSettings.setDomStorageEnabled(true); | ||
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webView.loadUrl(name); | ||
} | ||
} |
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...3/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902333/activity/StoreActivity.java
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package edu.hzuapps.androidlabs.soft1714080902333.activity; | ||
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import android.content.Context; | ||
import android.support.v7.app.AppCompatActivity; | ||
import android.os.Bundle; | ||
import android.view.View; | ||
import android.widget.Button; | ||
import android.widget.EditText; | ||
import android.widget.Toast; | ||
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import java.io.FileInputStream; | ||
import java.io.FileOutputStream; | ||
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import edu.hzuapps.androidlabs.soft1714080902333.R; | ||
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public class StoreActivity extends AppCompatActivity { | ||
private EditText ip_info; | ||
private Button but_rd; | ||
private Button but_wr; | ||
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@Override | ||
protected void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
setContentView(R.layout.activity_store); | ||
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// 获取Layout控件 | ||
ip_info = (EditText) findViewById(R.id.ip_info); | ||
but_rd = (Button) findViewById(R.id.but_rd); | ||
but_wr = (Button) findViewById(R.id.but_wr); | ||
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but_wr.setOnClickListener(new ButtonListener()); | ||
but_rd.setOnClickListener(new ButtonListener()); | ||
} | ||
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// Button点击事件 | ||
private class ButtonListener implements View.OnClickListener { | ||
public void onClick(View view) { | ||
switch (view.getId()) { | ||
case R.id.but_wr: | ||
String message_wr = "\n"; | ||
message_wr = ip_info.getText().toString().trim(); | ||
FileOutputStream fileOutputStream; | ||
try { | ||
fileOutputStream = openFileOutput("cache.txt", Context.MODE_APPEND); | ||
fileOutputStream.write(message_wr.getBytes()); | ||
fileOutputStream.close(); | ||
} catch (Exception e) { | ||
e.printStackTrace(); | ||
} | ||
Toast.makeText(StoreActivity.this, "数据保存成功", Toast.LENGTH_SHORT) | ||
.show(); | ||
break; | ||
case R.id.but_rd: | ||
String message_rd = ""; | ||
try { | ||
FileInputStream fileInputStream = openFileInput("cache.txt"); | ||
byte[] buffer = new byte[fileInputStream.available()]; | ||
fileInputStream.read(buffer); | ||
message_rd = new String(buffer); | ||
fileInputStream.close(); | ||
} catch (Exception e) { | ||
e.printStackTrace(); | ||
} | ||
Toast.makeText(StoreActivity.this, "保存的数据是:" + message_rd, | ||
Toast.LENGTH_SHORT).show(); | ||
break; | ||
default: | ||
break; | ||
} | ||
} | ||
} | ||
} |
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