android 实用代码片段整理

最新推荐文章于 2024-04-09 15:42:13 发布

浩宇碧海

最新推荐文章于 2024-04-09 15:42:13 发布

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分类专栏： android 技术文章标签： android 技术 java open source

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本文整理了Android开发中的一些实用代码片段，包括从网络收集的精华和作者个人的整理，涵盖基础到进阶的使用场景，对于Android开发者具有参考价值。

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android 常用代码片段，前1-10条是从网上摘录，向原作者致谢。后面为自己整理。

1、设置窗口格式为半透明

getWindow().setFormat(PixelFormat.TRANSLUCENT);

2、Android中在非UI线程里更新View的不同方法：

* Activity.runOnUiThread( Runnable )

* View.post( Runnable )

* View.postDelayed( Runnable, long )

* Hanlder

3、全屏显示窗口

requestWindowFeature(Window.FEATURE_NO_TITLE);

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

4、取得屏幕大小

方法A：

WindowManager windowManager = getWindowManager();

Display display = windowManager.getDefaultDisplay();

hAndW[0] = display.getWidth();

hAndW[1] = display.getHeight();

方法B：

DisplayMetrics dm = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(dm);

hAndW[0] = dm.widthPixels;

hAndW[1] = dm.heightPixels;

5、调浏览器 载入网址

Uri uri = Uri.parse("http://www.google.com");

Intent it = new Intent(Intent.ACTION_VIEW, uri);

startActivity(it);

6、取得内存大小

ActivityManager.MemoryInfo outInfo = new ActivityManager.MemoryInfo();

activityManager.getMemoryInfo(outInfo);

//可用内存

outInfo.availMem

//是否在低内存状态

outInfo.lowMemory

取得ScrollView的实际高度

scrollview.getHeight()

scrollview.getMeasuredHeight()

scrollview.compute()

scrollview.getLayoutParams().height

7、监听App安装/卸载事件

A.Define a class derived from class BroadcastReceiver;

B.Register broadcast receiver;

MyBroadcastReceiver myReceiver = new MyBroadcastReceiver();

IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_INSTALL);

filter.addAction(Intent.ACTION_PACKAGE_REMOVED);

filter.addAction(Intent.ACTION_PACKAGE_ADDED);

filter.addAction(Intent.ACTION_PACKAGE_CHANGED);

filter.addAction(Intent.ACTION_PACKAGE_RESTARTED);

...

filter.addDataScheme("package"); //This line is very important. Otherwise, broadcast can't be received.

registerReceiver(myReceiver, filter);

Notes: The package name is Intent.mData. Intent.mData is not available in SDK 1.0, but it can be retrieved by calling Intent.getDataString();

8、取得IP地址

A.

//Connect via WIFI 通过wifi

WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);

WifiInfo wifiInfo = wifiManager.getConnectionInfo();

int ipAddress = wifiInfo.getIpAddress();

B.

//Connect via GPRS通过gprs

public String getLocalIpAddress(){

try{

for(Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();){

NetworkInterface intf = en.nextElement();

for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();){

InetAddress inetAddress = enumIpAddr.nextElement();

if (!inetAddress.isLoopbackAddress()){

return inetAddress.getHostAddress().toString();

}

}

}

}catch (SocketException ex){

Log.e(S.TAG, ex.toString());

}

return null;

}

9、ListView 后面adapter数据已更改，但是ListView没有收到Notification

首先，必须将 更新adapter数据的代码放在：Handler.post(Runnable)方法中执行；

然后，如果Adapter数据的来源如果是cursor（CursorAdapter）的话 可以cursor.requery一下，如果是别的可以强制调用一下notifyChange, notifyChange 会调用 invalidate 进行重绘；

10、模拟HOME键

Intent i=new Intent(Intent.ACTION_MAIN);

i.addCategory(Intent.CATEGORY_HOME);

i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

context.startActivity(i);

11、设置焦点

editText.setFocusable(true);

editText.requestFocus();

editText.setFocusableInTouchMode(true);
12：在一个应用中去调用另一个app
例如：
if (Utils.isAvilible(context, "com.netschool.main.ui"))
		{
		    Intent i = new Intent();
		    ComponentName cn = new ComponentName("com.netschool.main.ui",
			    "com.netschool.main.ui.SplashScreenActivity");
		    i.setComponent(cn);
		    startActivity(i);
		}
		else
		{
		    Uri uri = Uri.parse(context.getString(R.string.url_zhuanti_download));
		    Intent it = new Intent(Intent.ACTION_VIEW, uri);
		    it.setData(uri);
		    startActivity(it);
		}

13：andoroid TextView 显示特殊字符


 String course_jianjie ="xxxxxxxxxx";
//字符串中有 \r\n 需要替换为 <br/>
	    String temp =course_jianjie.replaceAll("\\r\\n", "<br/>");
//用html 来显示
	    CharSequence styledText = Html.fromHtml(temp); 
//设置要显示的控件
	    mCourseDescTv.setText(styledText);
14：使用NotificationManager触发多个Notification，只显示最后一个的问题
只要每个不同的Intent对应传递一个独立的ID就可以了，以上函数修改如下（增加ID参数）：

private Notification genreNotification(Context context, int icon, String tickerText, String title, String content, Intent intent, int id){
   
	Notification notification = new Notification(icon, tickerText, System.currentTimeMillis());
   
	// 问题就在这里的id了
        PendingIntent pendIntent = PendingIntent.getActivity(context, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
  
notification.setLatestEventInfo(context, title, content, pendIntent);
     
	notification.flags |= Notification.FLAG_AUTO_CANCEL;
     
return notification;
    }



...
mNotificationManager.notify(ID_1, 
            
genreNotification(mContext, ICON_RES, 
                 
notifyText1, notifyTitle1, notifyText1, intent_1, ID_1));
...
mNotificationManager.notify(ID_2, 
     
genreNotification(mContext, ICON_RES, 
                      
notifyText2, notifyTitle2, notifyText2, intent_2, ID_2));

...
mNotificationManager.notify(ID_3, 
    
genreNotification(mContext, ICON_RES, 
                   
notifyText3, notifyTitle3, notifyText3, intent_3, ID_3));



15： adb 命令截图

adb shell /system/bin/screencap -p /sdcard/screenshot.png（保存到SDCard）
adb pull /sdcard/screenshot.png d:/screenshot.png（保存到电脑）
  
16：跳出for循环

OK:
 for(int i=0;i<100;i++){
 if(i==10){
 break OK;
 }
 
 }

17：使用viewPager加载超过3页 
有时会报出 The specified child already has a parent. You must call removeView() on the child's parent first 的错误
此时：可以简单的用
mViewPager.setOffscreenPageLimit(3);解决
备注：单这不是万能之策，也不是优选之策

18：
	/**
	 * @Description:调节音量大小
	 * @author: jrh
	 * @date: 2014-11-13 下午3:06:46
	 * @return: void
	 * @param percent
	 */
	private void onVolumeSlide(float percent)
	{
	    if (mVolume == -1)
	    {
		mVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
		if (mVolume < 0)
		{
		    mVolume = 0;
		}
		mOperationBg.setImageResource(R.drawable.video_volumn_bg);
		mVolumeBrightnessLayout.setVisibility(View.VISIBLE);
	    }
	    int index = (int) ((percent * mMaxVolume) + mVolume);
	    if (index > mMaxVolume)
	    {
		index = mMaxVolume;// 最大音量

	    }
	    else if (index < 0)
	    {
		index = 0;// 静音
	    }

	    // 变更声音
	    mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, index, 0);

	    // 变更进度条
	    ViewGroup.LayoutParams lp = mOperationPercent.getLayoutParams();
	    lp.width = findViewById(R.id.operation_full).getLayoutParams().width * index /
		    mMaxVolume;
	    mOperationPercent.setLayoutParams(lp);

	}

19	/**
	 * @Description:调节屏幕亮度
	 * @author: jrh
	 * @date: 2014-11-13 下午3:17:40
	 * @return: void
	 * @param percent
	 */
	private void onBrightnessSlide(float percent)
	{
	    if (mBrightness < 0)
	    {
		mBrightness = getWindow().getAttributes().screenBrightness;
		if (mBrightness <= 0.00f)
		{
		    mBrightness = 0.50f;
		}
		else if (mBrightness < 0.01f)
		{

		    mBrightness = 0.01f;

		}
		// 显示
		mOperationBg.setImageResource(R.drawable.video_brightness_bg);
		mVolumeBrightnessLayout.setVisibility(View.VISIBLE);

	    }

	    WindowManager.LayoutParams lpa = getWindow().getAttributes();
	    lpa.screenBrightness = mBrightness + percent;
	    if (lpa.screenBrightness > 1.0f)
	    {
		lpa.screenBrightness = 1.0f;// 最亮
	    }
	    else if (lpa.screenBrightness < 0.01f)
	    {

		lpa.screenBrightness = 0.01f;
	    }
	    getWindow().setAttributes(lpa);

	    ViewGroup.LayoutParams lp = mOperationPercent.getLayoutParams();
	    lp.width = (int) (findViewById(R.id.operation_full).getLayoutParams().width * lpa.screenBrightness);
	    mOperationPercent.setLayoutParams(lp);

	}
20：viewpager + fragment 布局时有时会报下面的错误
11-14 13:52:45.266: E/AndroidRuntime(4561): FATAL EXCEPTION: main
11-14 13:52:45.266: E/AndroidRuntime(4561): java.lang.NullPointerException
11-14 13:52:45.266: E/AndroidRuntime(4561): 	at android.support.v4.app.FragmentManagerImpl.saveFragmentBasicState(FragmentManager.java:1576)
解决方法：
在继承fragment的里面重写
    @Override
    public void onSaveInstanceState(Bundle outState)
    {
        // TODO Auto-generated method stub
        super.onSaveInstanceState(outState);
        setUserVisibleHint(true);
    }


21：service 服务并不是另开一个线程 ，处理service 时最好单独开线程进行处理
22：不要在receiver 里面处理耗时工作
23：如果布局时： 想要在字中间加空格 可以使用 " ；" html 的空格实体编号添加。注意：一个汉字相当于 两个空格字符。

24：volatile java 关键字 保证了线程可以读取其他线程的写入值、
   Thread.join()  方法保证了该线程优先执行 其他线程等待
   Thread.yied() 方法 让出时间让其它线程可以执行
   如何停止线程？
   不要随意调用 Thread.stop()方法 ，该方法不是正确的停止线程方法 会导致一些其他的问题
   使用推出的旗杆标志 ：如设置 boolean 值等 
   结束时及时清理资源
   使用代码逻辑来使得线程执行结束 （使thread 线程内部的代码 任务执行完毕）

25：如何在TextVeiw下加入一条线

TextView tv = new TextView();
tv.getPaint().setFlags(Paint.UNDERLINE_TEXT_FLAG);

26：android 4.4 以上无法在外置SD卡创建文件夹
 解决方法：
  @A   File dirFile = new File(temp.trim());
	if (!dirFile.exists())
	{// 对于4.4以上版本特别重要
	    getApplicationContext().getExternalFilesDir(null);
	    dirFile.mkdirs();
	}
   @B   文件路径：/android/data/包名/
27:在：
 android:targetSdkVersion="18" 

 随着版本号的改变 界面元素，显示方式是不一样的

28：android 获取所有存储卡的地址
 	private String[] getSdCard() {
		StorageManager sm = (StorageManager) getSystemService(Context.STORAGE_SERVICE);
		String[] paths = null;
		try {
			paths = (String[]) sm.getClass().getMethod("getVolumePaths", null)
					.invoke(sm, null);
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalArgumentException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (NoSuchMethodException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return paths;
	}


29：百度地图 出现问题
A：报错
java.lang.UnsatisfiedLinkError: Couldn't load BaiduMapSDK_v3_2_0_15 from loader dalvik.system.PathClassLoader[dexPath=/data/app/com.znxh.haohao-1.apk,libraryPath=/data/app-lib/com.znxh.haohao-1]: findLibrary returned null

解决方法：
1：现在libs下建armeabi文件夹，然后加入.so库文件；
2：如果上述方法不行：再在libs下建armeabi-v7a文件夹，再导入相应.so库文件

3：定位时一定要在mainfest 文件中注册服务：
    <service
            android:name="com.baidu.location.f"
            android:enabled="true"
            android:process=":remote" >
        </service>

30：处理图片上传的工具类
    /*
     * 上传头像
     * 
     * @param urlStr url地址
     * 
     * @param userid 用户id
     * 
     * @param urlStr 要上传的图片
     */
    public static Runnable upLoadFile(final Handler handler, final String urlString,
        final String userid, final File file)
    {

    Runnable runnable = new Runnable()
    {
        @Override
        public void run()
        {

        int res = 0;
        String result = null;
        String BOUNDARY = UUID.randomUUID().toString(); // 边界标识 随机生成
        String PREFIX = "--", LINE_END = "\r\n";
        String CONTENT_TYPE = "multipart/form-data"; // 内容类型

        try
        {
            URL url = new URL(urlString);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setReadTimeout(2000);
            conn.setConnectTimeout(2000);
            conn.setDoInput(true); // 允许输入流
            conn.setDoOutput(true); // 允许输出流
            conn.setUseCaches(false); // 不允许使用缓存
            conn.setRequestMethod("POST"); // 请求方式
            conn.setRequestProperty("Charset", "UTF-8"); // 设置编码
            conn.setRequestProperty("connection", "keep-alive");
            conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);

            if (file != null)
            {
            /**
             * 当文件不为空时执行上传
             */
            DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
            StringBuffer sb = new StringBuffer();

            sb.append("--" + BOUNDARY + "\r\n");
            sb.append("Content-Disposition: form-data; name=\"userid\"" + "\r\n");
            sb.append("\r\n");
            sb.append(userid + "\r\n");

            sb.append(PREFIX);
            sb.append(BOUNDARY);
            sb.append(LINE_END);
            /**
             * 这里重点注意： name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件 filename是文件的名字，包含后缀名
             */

            sb.append("Content-Disposition: form-data; name=\"photo\"; filename=\"" +
                file.getName() + "\"" + LINE_END);
            sb.append("Content-Type: image/pjpeg; charset=" + "UTF-8" + LINE_END);
            sb.append(LINE_END);
            dos.write(sb.toString().getBytes());
            InputStream is = new FileInputStream(file);
            byte[] bytes = new byte[1024];
            int len = 0;
            while ((len = is.read(bytes)) != -1)
            {
                dos.write(bytes, 0, len);
            }
            is.close();
            dos.write(LINE_END.getBytes());
            byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
            dos.write(end_data);
            dos.flush();
            /**
             * 获取响应码 200=成功 当响应成功，获取响应的流
             */
            res = conn.getResponseCode();
            Log.i("return code", "response code:" + res);
            Log.i("userid", "" + userid);
            if (res == 200)
            {
                InputStream input = conn.getInputStream();
                StringBuffer sb1 = new StringBuffer();
                int ss;
                while ((ss = input.read()) != -1)
                {
                sb1.append((char) ss);
                }
                result = sb1.toString();
                Log.i("return", "result : " + result);
                Message message = Message.obtain();
                message.what = 666;
                handler.sendMessage(message);
            }
            else
            {
                Log.i("return", "request error");
            }
            }
        }
        catch (MalformedURLException e)
        {
            e.printStackTrace();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }

        }

    };

    return runnable;
    }

31：listview单条数据更新

<div class="line number1 index0 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">private</code> <code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">void</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">updateSingleRow(ListView listView, </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">long</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">id) { </code></div><div class="line number2 index1 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">  </code> </div><div class="line number3 index2 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">        </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">if</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">(listView != </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">null</code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">) { </code></div><div class="line number4 index3 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">            </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">int</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">start = listView.getFirstVisiblePosition(); </code></div><div class="line number5 index4 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">            </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">for</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">(</code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">int</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">i = start, j = listView.getLastVisiblePosition(); i <= j; i++) </code></div><div class="line number6 index5 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">                </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">if</code> <code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">(id == ((Messages) listView.getItemAtPosition(i)).getId()) { </code></div><div class="line number7 index6 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">                    </code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">View view = listView.getChildAt(i - start); </code></div><div class="line number8 index7 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">                    </code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">getView(i, view, listView); </code></div><div class="line number9 index8 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">                    </code><code class="java keyword" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(91, 161, 207) !important; background: none !important;">break</code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">; </code></div><div class="line number10 index9 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">                </code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">} </code></div><div class="line number11 index10 alt2" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">        </code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">} </code></div><div class="line number12 index11 alt1" style="line-height: 15.3999996185303px; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace; font-size: 14px; color: rgb(64, 64, 64); padding: 0px 1em !important; margin: 0px !important; border-radius: 0px !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important; white-space: pre !important; background: none rgb(27, 36, 38) !important;"><code class="java spaces" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; background: none !important;">    </code><code class="java plain" style="white-space: nowrap; padding: 0px !important; margin: 0px !important; border: 0px !important; border-radius: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important; font-size: 1em !important; min-height: auto !important; color: rgb(185, 189, 182) !important; background: none !important;">}</code></div>