怎么样,可以在android手机上开发一个软件,通过用户输入IP,或是网址,直接就可以登录的网站主页,或是获取到服务器的信息(如视频、图片);
哪位高手指点指点下,非常感谢....package example.viservice;import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;public class MainViserviceActivity extends Activity { private Button connect = null;
private EditText entry = null;
private ImageView myImageView;
private static int flag = 0;
private Bitmap m_Bitmap;
private String Board_IP;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_viservice);
myImageView = (ImageView) findViewById(R.id.myImageView);
entry = (EditText)findViewById(R.id.entry);
Board_IP = entry.getText().toString();
connect = (Button)findViewById(R.id.connect);
connect.setOnClickListener(new myConnectListener());
}
class myConnectListener implements OnClickListener
{ public void onClick(View v) {
StartService();
showMessage("you are great");
}
} public void StartService(){
if(flag == 0){
flag = 1;
try {
URL m_URL = new URL("http://" + Board_IP);
InputStream is = m_URL.openStream();
Bitmap bitmap = BitmapFactory.decodeStream(is);
myImageView.setImageBitmap(bitmap);
is.close();
/*URLConnection m_URL_Connection = m_URL.openConnection();
m_URL_Connection.connect();
InputStream m_InputStream = m_URL_Connection.getInputStream();
m_Bitmap = BitmapFactory.decodeStream(m_InputStream);
myImageView.setImageBitmap(m_Bitmap);
m_InputStream.close();*/
}
catch (Exception e)
{
e.printStackTrace();
}
connect.setText("Disconnect Arm");
showMessage("已连接" + Board_IP);
}else{
flag = 0;
connect.setText("Connect Arm");
showMessage("已断开" + Board_IP);
}
}
public void showMessage(String str)
{
Toast toast = Toast.makeText(this, str, Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP, 0, 550);
toast.show();
}
}布局文件如下:<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/label"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#0aa0aa"
android:text="@string/label"
/>
<EditText
android:id="@+id/entry"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/editbox_background"
android:hint="@string/IP"
android:padding="10dp"
android:layout_below="@id/label"
/>
<Button
android:id="@+id/connect"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/entry"
android:layout_alignParentRight="true"
android:layout_marginLeft="10dp"
android:text="@string/connect"
/>
<ImageView
android:id="@+id/myImageView"
android:layout_width="fill_parent"
android:background="#0000aa"
android:layout_height="240dp"
android:layout_below="@id/connect"
android:scaleType="fitCenter"
/></RelativeLayout>谢谢,谢谢!!!AndroidURL通信JavaBitmap
哪位高手指点指点下,非常感谢....package example.viservice;import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;public class MainViserviceActivity extends Activity { private Button connect = null;
private EditText entry = null;
private ImageView myImageView;
private static int flag = 0;
private Bitmap m_Bitmap;
private String Board_IP;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_viservice);
myImageView = (ImageView) findViewById(R.id.myImageView);
entry = (EditText)findViewById(R.id.entry);
Board_IP = entry.getText().toString();
connect = (Button)findViewById(R.id.connect);
connect.setOnClickListener(new myConnectListener());
}
class myConnectListener implements OnClickListener
{ public void onClick(View v) {
StartService();
showMessage("you are great");
}
} public void StartService(){
if(flag == 0){
flag = 1;
try {
URL m_URL = new URL("http://" + Board_IP);
InputStream is = m_URL.openStream();
Bitmap bitmap = BitmapFactory.decodeStream(is);
myImageView.setImageBitmap(bitmap);
is.close();
/*URLConnection m_URL_Connection = m_URL.openConnection();
m_URL_Connection.connect();
InputStream m_InputStream = m_URL_Connection.getInputStream();
m_Bitmap = BitmapFactory.decodeStream(m_InputStream);
myImageView.setImageBitmap(m_Bitmap);
m_InputStream.close();*/
}
catch (Exception e)
{
e.printStackTrace();
}
connect.setText("Disconnect Arm");
showMessage("已连接" + Board_IP);
}else{
flag = 0;
connect.setText("Connect Arm");
showMessage("已断开" + Board_IP);
}
}
public void showMessage(String str)
{
Toast toast = Toast.makeText(this, str, Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP, 0, 550);
toast.show();
}
}布局文件如下:<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/label"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#0aa0aa"
android:text="@string/label"
/>
<EditText
android:id="@+id/entry"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/editbox_background"
android:hint="@string/IP"
android:padding="10dp"
android:layout_below="@id/label"
/>
<Button
android:id="@+id/connect"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/entry"
android:layout_alignParentRight="true"
android:layout_marginLeft="10dp"
android:text="@string/connect"
/>
<ImageView
android:id="@+id/myImageView"
android:layout_width="fill_parent"
android:background="#0000aa"
android:layout_height="240dp"
android:layout_below="@id/connect"
android:scaleType="fitCenter"
/></RelativeLayout>谢谢,谢谢!!!AndroidURL通信JavaBitmap
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