阿权的书房

//function A
//CODE...
File myfile = new File(apk);
long mytime = myfile.lastModified();
String timeStr = time2String( mytime );
//end of A

private String time2String( long time ){

//方式1 按系统的日期方式
//  Calendar   cal = Calendar.getInstance();
//  cal.setTimeInMillis( time );
//  return cal.getTime().toLocaleString();

//方式2 按自定义格式
  SimpleDateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
  Date currentTime = new Date( time );
  return format1.format(currentTime);
}

root@aslibra:/tmp/apk# ls
c.apk
root@aslibra:/tmp/apk# mv c.apk c.zip
root@aslibra:/tmp/apk# unzip c
Archive:  c.zip
...
  inflating: res/layout/main.xml    
...
  inflating: AndroidManifest.xml    
extracting: resources.arsc          
...
root@aslibra:/tmp/apk# java -jar /path/to/AXMLPrinter2.jar AndroidManifest.xml |grep minSdkVersion
                android:minSdkVersion="2"

TelephonyManager telephonyManager=(TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
String imei=telephonyManager.getDeviceId();

//获得手机号
telephonyManager.getLine1Number();

<uses-permission android:name="android.permission.READ_PHONE_STATE" />

//机器型号 HTC Magic
Build.MODEL
//SDK版本 8
Build.VERSION.SDK
//SDK版本号 2.2
Build.VERSION.RELEASE

class PInfo {
    private String appname = "";
    private String pname = "";
    private String versionName = "";
    private int versionCode = 0;
    private Drawable icon;
    private void prettyPrint() {
        log(appname + "\t" + pname + "\t" + versionName + "\t" + versionCode + "\t");
    }
}

private void listPackages() {
    ArrayList<PInfo> apps = getInstalledApps(false); /* false = no system packages */
    final int max = apps.size();
    for (int i=0; i<max; i++) {
        apps.get(i).prettyPrint();
    }
}

private ArrayList<PInfo> getInstalledApps(boolean getSysPackages) {
    ArrayList<PInfo> res = new ArrayList<PInfo>();        
    List<PackageInfo> packs = getPackageManager().getInstalledPackages(0);
    for(int i=0;i<packs.size();i++) {
        PackageInfo p = packs.get(i);
        if ((!getSysPackages) && (p.versionName == null)) {
            continue ;
        }
        PInfo newInfo = new PInfo();
        newInfo.appname = p.applicationInfo.loadLabel(getPackageManager()).toString();
        newInfo.pname = p.packageName;
        newInfo.versionName = p.versionName;
        newInfo.versionCode = p.versionCode;
        newInfo.icon = p.applicationInfo.loadIcon(getPackageManager());
        res.add(newInfo);
    }
    return res;
}

Intent i = new Intent();
i.setClassName("com.android.calculator2", "com.android.calculator2.Calculator");
startActivity(i);

List<PackageInfo> packs = getPackageManager().getInstalledPackages(PackageManager.GET_ACTIVITIES);
for(int i=0;i<packs.size();i++) {
  PackageInfo p = packs.get(i);
  //p.packageName;
  //p.activities[0].name; //（className）
}

public static void downloadFile(String url, String newPath) {  
  URL myFileUrl = null;  
  try {  
    myFileUrl = new URL(url);  
  } catch (MalformedURLException e) {  
    Log.e("test", "MalformedURLException: "+e.toString() );
  }  
  try {  
    HttpURLConnection conn;
    conn = (HttpURLConnection) myFileUrl.openConnection();
    conn.setDoInput(true);
    conn.connect();  
    InputStream is = conn.getInputStream();  
    FileOutputStream  newfile  =  new  FileOutputStream("/sdcard/tmp.apk");  
    byte[]  buffer  =  new  byte[1444];
    int  byteread  =  0;  
    while  (  (byteread  =  is.read(buffer))  !=  -1)  {  
      newfile.write(buffer,  0,  byteread);  
    }  
    is.close();
  } catch (Exception e) {  
    Log.e("test", "returnNetworkBitMap: "+e.toString() );
  }finally{
  }  
}

String fileName = "/sdcard/tmp.apk";
Intent i = new Intent();
i.setAction(Intent.ACTION_VIEW);
i.setDataAndType(Uri.fromFile(new File(fileName) ), "application/vnd.android.package-archive");
startActivity(i);

Uri packageURI = Uri.parse("package:com.aslibra.test");
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);
startActivity(uninstallIntent);