Android网络下载速度测试
2015-01-14 16:29
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Java代码
开发工具：
1. EC
2. SDK 1.1
3. ADT 0.8
Java代码
原理：通过下载文件的大小，和当前读取的字节数，在固定的时间中检测速度,详细请看代码，
我这里使用可一张图片做的测试：http://www.straitstimes.com/STI/STIMEDIA/image/20090324/BUSKING.jpg
NetWorkSpeedInfo.java Android NetWork info
Java代码
package cc.androidos.speed;
/**
* A class for android network info
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class NetWorkSpeedInfo
{
/**Network speed*/
public long speed = 0;
/**Had finished bytes*/
public long hadFinishedBytes = 0;
/**Total bytes of a file, default is 1024 bytes,1K*/
public long totalBytes = 1024;
/**The net work type, 3G or GSM and so on*/
public int networkType = 0;
/**Down load the file percent 0----100*/
public int downloadPercent = 0;
}
SpeedActivity.java Activity
Java代码
package cc.androidos.speed;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
/**
*
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class SpeedActivity extends Activity
{
/** Called when the activity is first created. */
TextView fileLength = null;
TextView speed = null;
TextView hasDown = null;
TextView percent = null;
String url = "";
ImageView imageView = null;
byte[] imageData = null;
NetWorkSpeedInfo netWorkSpeedInfo = null;
private final int UPDATE_SPEED = 1;
@Override
public void onCreate( Bundle savedInstanceState )
{
super.onCreate( savedInstanceState );
setContentView( R.layout.main );
hasDown = ( TextView ) findViewById( R.id.hasDown );
fileLength = ( TextView ) findViewById( R.id.fileLength );
speed = ( TextView ) findViewById( R.id.speed );
percent = ( TextView ) findViewById( R.id.percent );
imageView = ( ImageView ) findViewById( R.id.ImageView01 );
Button b = ( Button ) findViewById( R.id.Button01 );
url = getString( R.string.image_url );
netWorkSpeedInfo = new NetWorkSpeedInfo();
b.setOnClickListener( new View.OnClickListener()
{
@Override
public void onClick( View arg0 )
{
//down load the file thread
new Thread()
{
@Override
public void run()
{
imageData = ReadFile.getFileFromUrl( url,
netWorkSpeedInfo );
stop();
}
}.start();
//get the speed , down load bytes ,update the view thread
new Thread()
{
@Override
public void run()
{
while ( netWorkSpeedInfo.hadFinishedBytes < netWorkSpeedInfo.totalBytes )
{
netWorkSpeedInfo.downloadPercent = ( int ) (( ( double ) netWorkSpeedInfo.hadFinishedBytes /
( double ) netWorkSpeedInfo.totalBytes ) * 100);
try
{
sleep( 1500 );
}
catch ( InterruptedException e )
{
e.printStackTrace();
}
Log.e( "update,send the message to update", "" );
//update view
handler.sendEmptyMessage( UPDATE_SPEED );
}
//finished
if( netWorkSpeedInfo.hadFinishedBytes == netWorkSpeedInfo.totalBytes )
{
netWorkSpeedInfo.downloadPercent = ( int ) (( ( double ) netWorkSpeedInfo.hadFinishedBytes /
( double ) netWorkSpeedInfo.totalBytes ) * 100);
handler.sendEmptyMessage( UPDATE_SPEED );
Log.e( "update",
",send the message to update and stop" );
stop();
}
}
}.start();
}
} );
}
/**
* Handler for post message into OS
*/
private Handler handler = new Handler()
{
@Override
public void handleMessage( Message msg )
{
int value = msg.what;
switch ( value )
{
case UPDATE_SPEED:
updateView();
break;
default:
break;
}
}
};
/**
* Update the view method
*/
private void updateView()
{
speed.setText( netWorkSpeedInfo.speed + "bytes/s" );
hasDown.setText( netWorkSpeedInfo.hadFinishedBytes + "bytes" );
fileLength.setText( netWorkSpeedInfo.totalBytes + "" );
percent.setText( netWorkSpeedInfo.downloadPercent+"%" );
if( imageData != null )
{
Bitmap b = BitmapFactory.decodeByteArray( imageData, 0,
imageData.length );
imageView.setImageBitmap( b );
}
}
}
ReadFile.java Read file from web
Java代码
package cc.androidos.speed;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.util.Log;
/**
*
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class ReadFile
{
/**
* <p>
* Read file from web
* </p>
* @param url
* @param netWorkSpeedInfo
* @return
*/
public static byte[] getFileFromUrl( String url,NetWorkSpeedInfo netWorkSpeedInfo )
{
int currentByte = 0;
int fileLength = 0;
long startTime = 0;
long intervalTime = 0;
byte[] b = null;
int bytecount = 0;
URL urlx = null;
URLConnection con = null;
InputStream stream = null;
try
{
Log.d( "URL:", url );
urlx = new URL( url );
con = urlx.openConnection();
con.setConnectTimeout( 20000 );
con.setReadTimeout( 20000 );
fileLength = con.getContentLength();
stream = con.getInputStream();
netWorkSpeedInfo.totalBytes = fileLength;
b = new byte[fileLength];
startTime = System.currentTimeMillis();
while ( ( currentByte = stream.read() ) != -1 )
{
netWorkSpeedInfo.hadFinishedBytes++;
intervalTime = System.currentTimeMillis() - startTime;
if(intervalTime==0){
netWorkSpeedInfo.speed = 1000;
}else{
netWorkSpeedInfo.speed = ( netWorkSpeedInfo.hadFinishedBytes / intervalTime ) * 1000;
}
if(bytecount<fileLength){
b[bytecount++] = ( byte ) currentByte;
}
}
}
catch ( Exception e )
{
Log.e( "exception : ", e.getMessage()+"" );
}
finally
{
try
{
if( stream != null )
{
stream.close();
}
}
catch ( Exception e )
{
Log.e( "exception : ", e.getMessage() );
}
}
return b;
}
}
以上内容Sinfransis版权所有，专注请注明来自 http://mdev.cc/dev
开发工具：
1. EC
2. SDK 1.1
3. ADT 0.8
Java代码
原理：通过下载文件的大小，和当前读取的字节数，在固定的时间中检测速度,详细请看代码，
我这里使用可一张图片做的测试：http://www.straitstimes.com/STI/STIMEDIA/image/20090324/BUSKING.jpg
NetWorkSpeedInfo.java Android NetWork info
Java代码
package cc.androidos.speed;
/**
* A class for android network info
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class NetWorkSpeedInfo
{
/**Network speed*/
public long speed = 0;
/**Had finished bytes*/
public long hadFinishedBytes = 0;
/**Total bytes of a file, default is 1024 bytes,1K*/
public long totalBytes = 1024;
/**The net work type, 3G or GSM and so on*/
public int networkType = 0;
/**Down load the file percent 0----100*/
public int downloadPercent = 0;
}
SpeedActivity.java Activity
Java代码
package cc.androidos.speed;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
/**
*
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class SpeedActivity extends Activity
{
/** Called when the activity is first created. */
TextView fileLength = null;
TextView speed = null;
TextView hasDown = null;
TextView percent = null;
String url = "";
ImageView imageView = null;
byte[] imageData = null;
NetWorkSpeedInfo netWorkSpeedInfo = null;
private final int UPDATE_SPEED = 1;
@Override
public void onCreate( Bundle savedInstanceState )
{
super.onCreate( savedInstanceState );
setContentView( R.layout.main );
hasDown = ( TextView ) findViewById( R.id.hasDown );
fileLength = ( TextView ) findViewById( R.id.fileLength );
speed = ( TextView ) findViewById( R.id.speed );
percent = ( TextView ) findViewById( R.id.percent );
imageView = ( ImageView ) findViewById( R.id.ImageView01 );
Button b = ( Button ) findViewById( R.id.Button01 );
url = getString( R.string.image_url );
netWorkSpeedInfo = new NetWorkSpeedInfo();
b.setOnClickListener( new View.OnClickListener()
{
@Override
public void onClick( View arg0 )
{
//down load the file thread
new Thread()
{
@Override
public void run()
{
imageData = ReadFile.getFileFromUrl( url,
netWorkSpeedInfo );
stop();
}
}.start();
//get the speed , down load bytes ,update the view thread
new Thread()
{
@Override
public void run()
{
while ( netWorkSpeedInfo.hadFinishedBytes < netWorkSpeedInfo.totalBytes )
{
netWorkSpeedInfo.downloadPercent = ( int ) (( ( double ) netWorkSpeedInfo.hadFinishedBytes /
( double ) netWorkSpeedInfo.totalBytes ) * 100);
try
{
sleep( 1500 );
}
catch ( InterruptedException e )
{
e.printStackTrace();
}
Log.e( "update,send the message to update", "" );
//update view
handler.sendEmptyMessage( UPDATE_SPEED );
}
//finished
if( netWorkSpeedInfo.hadFinishedBytes == netWorkSpeedInfo.totalBytes )
{
netWorkSpeedInfo.downloadPercent = ( int ) (( ( double ) netWorkSpeedInfo.hadFinishedBytes /
( double ) netWorkSpeedInfo.totalBytes ) * 100);
handler.sendEmptyMessage( UPDATE_SPEED );
Log.e( "update",
",send the message to update and stop" );
stop();
}
}
}.start();
}
} );
}
/**
* Handler for post message into OS
*/
private Handler handler = new Handler()
{
@Override
public void handleMessage( Message msg )
{
int value = msg.what;
switch ( value )
{
case UPDATE_SPEED:
updateView();
break;
default:
break;
}
}
};
/**
* Update the view method
*/
private void updateView()
{
speed.setText( netWorkSpeedInfo.speed + "bytes/s" );
hasDown.setText( netWorkSpeedInfo.hadFinishedBytes + "bytes" );
fileLength.setText( netWorkSpeedInfo.totalBytes + "" );
percent.setText( netWorkSpeedInfo.downloadPercent+"%" );
if( imageData != null )
{
Bitmap b = BitmapFactory.decodeByteArray( imageData, 0,
imageData.length );
imageView.setImageBitmap( b );
}
}
}
ReadFile.java Read file from web
Java代码
package cc.androidos.speed;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.util.Log;
/**
*
* @author Wang Baoxi
* @version 1.0
* @since 2009-5-27
*/
public class ReadFile
{
/**
* <p>
* Read file from web
* </p>
* @param url
* @param netWorkSpeedInfo
* @return
*/
public static byte[] getFileFromUrl( String url,NetWorkSpeedInfo netWorkSpeedInfo )
{
int currentByte = 0;
int fileLength = 0;
long startTime = 0;
long intervalTime = 0;
byte[] b = null;
int bytecount = 0;
URL urlx = null;
URLConnection con = null;
InputStream stream = null;
try
{
Log.d( "URL:", url );
urlx = new URL( url );
con = urlx.openConnection();
con.setConnectTimeout( 20000 );
con.setReadTimeout( 20000 );
fileLength = con.getContentLength();
stream = con.getInputStream();
netWorkSpeedInfo.totalBytes = fileLength;
b = new byte[fileLength];
startTime = System.currentTimeMillis();
while ( ( currentByte = stream.read() ) != -1 )
{
netWorkSpeedInfo.hadFinishedBytes++;
intervalTime = System.currentTimeMillis() - startTime;
if(intervalTime==0){
netWorkSpeedInfo.speed = 1000;
}else{
netWorkSpeedInfo.speed = ( netWorkSpeedInfo.hadFinishedBytes / intervalTime ) * 1000;
}
if(bytecount<fileLength){
b[bytecount++] = ( byte ) currentByte;
}
}
}
catch ( Exception e )
{
Log.e( "exception : ", e.getMessage()+"" );
}
finally
{
try
{
if( stream != null )
{
stream.close();
}
}
catch ( Exception e )
{
Log.e( "exception : ", e.getMessage() );
}
}
return b;
}
}
以上内容Sinfransis版权所有，专注请注明来自 http://mdev.cc/dev
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