Android获取手机ip程序代码

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("ifo", ex.toString());
}
return "";
}

public String getLocalMacAddress(Context context) {
WifiManager wifi = (WifiManager) context
.getSystemService(Context.WIFI_SERVICE);
WifiInfo info = wifi.getConnectionInfo();
return info.getMacAddress();
}

public class AppClose extends Application {

    private List<Activity> mainActivity = new ArrayList<Activity>();

    public List<Activity> MainActivity() {

            return mainActivity;

    }

    public void addActivity(Activity act) {

            mainActivity.add(act);

    }

    public void finishAll() {

            for (Activity act : mainActivity) {

                    if (!act.isFinishing()) {

                            act.finish();

                    }

            }

            mainActivity = null;

    }

}

 AppClose appState = (AppClose)this.getApplication();

        appState.addActivity(this);

       // setContentView(R.layout.main);

button.setonclick….(){

AppClose appState = (AppClose)getApplicationContext();

                 appState.finishAll();

}

//Either expand children with weight to take up available space or
// shrink them if they extend beyond our current bounds
int delta = widthSize - mTotalLength;
if (delta != 0 && totalWeight > 0.0f) {
    float weightSum = mWeightSum > 0.0f ? mWeightSum : totalWeight;
    for (int i = 0; i < count; ++i) {
        final View child = getVirtualChildAt(i);

        if (child == null || child.getVisibility() == View.GONE) {
            continue;
        }
       
        final LinearLayout.LayoutParams lp =
                (LinearLayout.LayoutParams) child.getLayoutParams();

        float childExtra = lp.weight;
        if (childExtra > 0) {
            int share = (int) (childExtra * delta / weightSum);
　　　　　　　weightSum -= childExtra;
　　　　　　  delta  -= share;
            int childWidth = child.getMeasuredWidth() + share;
            if (childWidth < 0) {
                childWidth = 0;
            }
        }
    }
}

int delta = widthSize - mTotalLength;
if (delta != 0 && totalWeight > 0.0f) {
  ...
}

float weightSum = mWeightSum > 0.0f ? mWeightSum : totalWeight;

if (childExtra > 0) {
    int share = (int) (childExtra * delta / weightSum);
　　 weightSum -= childExtra;
　　 delta -= share;

    int childWidth = child.getMeasuredWidth() + share;
    if (childWidth < 0) {
        childWidth = 0;
    }
}

    <?xml version="1.0" encoding="utf-8"?>  
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
        android:orientation="vertical" 
        android:layout_width="fill_parent" 
        android:layout_height="fill_parent" 
        >  
      <LinearLayout  
          android:orientation="horizontal" 
          android:layout_width="fill_parent" 
          android:layout_height="fill_parent" 
          android:layout_weight="1">  
          <TextView  
              android:text="redwwwwwww" 
              android:gravity="center_horizontal" 
              android:background="#aa0000" 
              android:layout_width="wrap_content" 
              android:layout_height="fill_parent" 
              android:layout_weight="1"/>  
          <TextView  
              android:text="green" 
              android:gravity="center_horizontal" 
              android:background="#00aa00" 
              android:layout_width="wrap_content" 
              android:layout_height="fill_parent" 
              android:layout_weight="2"/>  
          <TextView  
              android:text="blue" 
              android:gravity="center_horizontal" 
              android:background="#0000aa" 
              android:layout_width="wrap_content" 
              android:layout_height="fill_parent" 
              android:layout_weight="3"/>  
          <TextView  
              android:text="yellow" 
              android:gravity="center_horizontal" 
              android:background="#aaaa00" 
              android:layout_width="wrap_content" 
              android:layout_height="fill_parent" 
              android:layout_weight="4"/>  
      </LinearLayout>  
    </LinearLayout> 

package com.raysmond.component;

import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

public class EditTextWithLabel extends LinearLayout{
 
 TextView label;
 EditText text;
 
 public EditTextWithLabel(Context context,AttributeSet attrs){
  super(context, attrs);
  setOrientation(HORIZONTAL);
  LayoutInflater.from(context).inflate(R.layout.edit_text_with_label, this, true);
  label = (TextView) findViewById(R.id.comp_le_label);
  text = (EditText) findViewById(R.id.comp_le_content);
  
 }
 
 public boolean setSubViewFocus(){
  return text.requestFocus();
 }
 
 public EditText getEditText(){
  return text;
 }
 
 public String getContent(){
  return text.getText().toString();
 }
 
 public void setContent(String str){
  text.setText(str);
 }
 
 public void setError(String error){
  text.setError(error);
 }
 
}

<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android">
    <TextView
        android:id="@+id/comp_le_label"
        android:layout_width="wrap_content"
        android:layout_weight="3"
        android:layout_height="wrap_content"
        android:paddingRight="5dp"
        android:text="Label"
        android:textSize="25sp"
        android:gravity="center"/>

    <EditText
        android:inputType="text"
        android:id="@+id/comp_le_content"
        android:layout_width="wrap_content"
        android:layout_weight="7"
        android:layout_height="wrap_content"
        android:textSize="25sp"
        >
        <requestFocus />
    </EditText>
</merge>

<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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:id="@+id/hello_world"
        android:layout_height="wrap_content"
        android:textSize="28sp"
        android:text="带Label的输入框组件" />
   
    <com.raysmond.component.EditTextWithLabel
        android:id="@+id/test_component"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/hello_world"
         />

</RelativeLayout>

package com.raysmond.activity;

import com.raysmond.component.EditTextWithLabel;
import com.raysmond.component.R;

import android.os.Bundle;
import android.app.Activity;

public class MainActivity extends Activity {
 EditTextWithLabel component;
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  findView();
  
 }
 
 public void findView(){
  component = (EditTextWithLabel) findViewById(R.id.test_component);
  component.setSubViewFocus();
 }
 
}