android 通用的功能集锦
16lz
2021-01-23
android 通用的功能集锦: 有些是自己整理写出来的,有些是从网上搜集整理的. package com.king.commfunction;
import java.io.File;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Environment;
import android.os.StatFs;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.WindowManager;
public class PlatformService {
Context ctx;
private String tag = "PlatformService";
public PlatformService(Context ctx) {
this.ctx = ctx;
}
/**
* 判断 sdcard 是否存在
*
* @return
*/
public boolean isSdCardExists() {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED))
return true;
else
return false;
}
/**
* 获取 sdcard 路径
*/
public String getSdcardPath() {
if (isSdCardExists())
return Environment.getExternalStorageDirectory().getAbsolutePath();
else
return null;
}
/**
* sdcard 总大小 (单位bit)
*/
public long getAllSize() {
if (!isSdCardExists()) {
return 0;
}
// 取得 sdcard 文件路径
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(path.getPath());
/* 获取 block 的 SIZE */
long blockSize = stat.getBlockSize();
/* 块数量 */
long availableBlocks = stat.getBlockCount();
/* 返回 bit 大小值 */
return availableBlocks * blockSize;
}
/**
* 取得 空闲 sdcard 空间大小 (单位bit)
*/
public long getAvailaleSize() {
if (!isSdCardExists()) {
return 0;
}
// 取得 sdcard 文件路径
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(path.getPath());
/* 获取 block 的 SIZE */
long blockSize = stat.getBlockSize();
/* 空闲的 block 的 数量 */
long availableBlocks = stat.getAvailableBlocks();
/* 返回 bit 大小值 */
return availableBlocks * blockSize; // x/1024 Kb单位
}
/**
* 安装 apk
*
* @param apkPath
* 在 /sdcard/下的路径
*/
public void installAPK(String apkPath) {
String fileName = Environment.getExternalStorageDirectory()
+ File.separator + apkPath;
Log.i(tag, tag + " installAPK ------------:" + fileName);
File file = new File(fileName);
installAPK(file);
}
/**
* 安装 apk
*/
public void installAPK(File apkFile) {
Log.i(tag,
tag + " installAPK ---- getAbsolutePath:"
+ apkFile.getAbsolutePath());
Uri uri = Uri.fromFile(apkFile);
Intent intent = new Intent(Intent.ACTION_VIEW);
Log.i(tag, "FLAG_ACTIVITY_NEW_TASK:" + Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(uri, "application/vnd.android.package-archive");
ctx.startActivity(intent);
}
/**
* 获取网络连接的信息
*/
public String getNetworkInfo() {
StringBuffer sInfo = new StringBuffer();
ConnectivityManager cm = (ConnectivityManager) ctx
.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo activeNetInfo = cm.getActiveNetworkInfo();
NetworkInfo mobNetInfo = cm
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
NetworkInfo wifiInfo = cm
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
sInfo.append(getNetworkInfo(activeNetInfo));
sInfo.append("\n");
sInfo.append(getNetworkInfo(mobNetInfo));
sInfo.append("\n");
sInfo.append(getNetworkInfo(wifiInfo));
}
return sInfo.toString();
}
public String getNetworkInfo(NetworkInfo info) {
StringBuffer sInfo = new StringBuffer();
if (info != null) {
Log.d(tag, "");
sInfo.append("\nDetailedState:" + info.getDetailedState());
sInfo.append("\nState:" + info.getState());
sInfo.append("\nType:" + info.getType());
sInfo.append("\nTypeName:" + info.getTypeName());
sInfo.append("\nExtraInfo:" + info.getExtraInfo());
sInfo.append("\nReason:" + info.getReason());
sInfo.append("\nSubtype:" + info.getSubtype());
sInfo.append("\nSubtypeName:" + info.getSubtypeName());
sInfo.append("\nExtraInfo:" + info.getExtraInfo());
sInfo.append("\n");
}
return sInfo.toString();
}
/**
* 获取已安装的软件信息
*
* @return
*/
public List<HashMap<String, Object>> getInstalledApps() {
List<ApplicationInfo> pkgs = ctx.getPackageManager()
.getInstalledApplications(0);
HashMap<String, Object> map;
List<HashMap<String, Object>> list = new ArrayList<HashMap<String, Object>>();
Iterator<ApplicationInfo> i = pkgs.iterator();
while (i.hasNext()) {
ApplicationInfo app = i.next();
String pkgName = app.packageName;
String label = "";
try {
label = ctx.getPackageManager().getApplicationLabel(app)
.toString();
} catch (Exception e) {
Log.e(tag, "setLabel is error. " + e.getMessage());
}
map = new HashMap<String, Object>();
map.put("name", label);
map.put("desc", pkgName);
list.add(map);
}
return list;
}
/**
* 手机信息
*/
public String getPhoneInfo() {
TelephonyManager tm = (TelephonyManager) ctx
.getSystemService(Context.TELEPHONY_SERVICE);
String line1Num = tm.getLine1Number();
StringBuilder s = new StringBuilder();
// 参考网址: http://mobile.51cto.com/android-266639.htm
s.append("\nLine1Num:" + line1Num);// 手机号码
s.append("\nSubscriberId:" + tm.getSubscriberId());
s.append("\nDeviceId(IMEI):" + tm.getDeviceId());
s.append("\nModel:" + Build.MODEL); // 手机型号
s.append("\nVERSION.SDK:" + Build.VERSION.SDK);// SDK版本号
s.append("\nVERSION.RELEASE:" + Build.VERSION.RELEASE);// Firmware/OS
// 版本号
s.append("\nCPU_ABI:" + Build.CPU_ABI);
s.append("\nCPU_ABI2:" + Build.CPU_ABI2);
s.append("\nHARDWARE:" + Build.HARDWARE);
return s.toString();
}
/**
* Wifi MacAddress
*/
public String getMacAddress() {
String result = "";
WifiManager wifiManager = (WifiManager) ctx
.getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
result = wifiInfo.getMacAddress();
Log.i(tag, "macAdd:" + result);
return result;
}
/**
* 获取手机屏幕 宽度,高度
*
* @return [width,height]
*/
public int[] getWeithAndHeight() {
// 在service中也能得到高和宽
WindowManager wm = (WindowManager) ctx
.getSystemService(Context.WINDOW_SERVICE);
int w = wm.getDefaultDisplay().getWidth();
int h = wm.getDefaultDisplay().getHeight();
// // 这种方式在service中无法使用，
// DisplayMetrics dm = new DisplayMetrics();
// getWindowManager().getDefaultDisplay().getMetrics(dm);
// String width = dm.widthPixels; // 宽
// String height = dm.heightPixels; // 高
return new int[] { w, h };
}
/**
* 判断某个服务是否正在运行
*
* @param serviceName
* @return
*/
public boolean isServiceRunning(String serviceName) {
ActivityManager manager = (ActivityManager) ctx
.getSystemService(Context.ACTIVITY_SERVICE);
for (RunningServiceInfo svc : manager
.getRunningServices(Integer.MAX_VALUE)) {
if (svc.service.getClassName().equals(serviceName)) {
return true;
}
}
return false;
}
/**
* Wifi IpAddress
*/
public String getLocalIpAddress() {
WifiManager wifiManager = (WifiManager) ctx
.getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int ipAddress = wifiInfo.getIpAddress();
// Note that the getIpAddress returns an integer value. To convert to
// readable format we can use the following code:
return String.format("%d.%d.%d.%d", (ipAddress & 0xff),
(ipAddress >> 8 & 0xff), (ipAddress >> 16 & 0xff),
(ipAddress >> 24 & 0xff));
}
public String getLocalIpAddress2() {
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(tag, ex.toString());
}
return null;
}
}