Android mobile guard 16-mobile anti-virus, android16 --

Android mobile guard 16-mobile anti-virus, android16 --

1. Specify that the animation is always rotated.

rotateAnimation.setRepeatCount(RotateAnimation.INFINITE);

Android: repeatCount repeated times. The default value is 0. It must be an int value. The value-1 indicates that the repeatCount is not stopped.

 

1 public class AnitVirusActivity extends Activity {2 protected static final int SCANING = 100; 3 4 protected static final int SCAN_FINISH = 101; 5 6 private ImageView iv_scanning; 7 private TextView TV _name; 8 private ProgressBar pb_bar; 9 private LinearLayout ll_add_text; 10 private int index = 0; 11 private List <ScanInfo> mVirusScanInfoList; 12 private Handler mHandler = new Handler () {13 public void handleMessage (android. OS. message msg) {14 switch (msg. what) {15 case SCANING: 16 // 1, displays the name of the application being scanned 17 ScanInfo info = (ScanInfo) msg. obj; 18 TV _name.setText (info. name); 19 // 2, add a TextView 20 TextView textView = new TextView (getApplicationContext (); 21 if (info. isVirus) {22 // is the textView of virus 23. setTextColor (Color. RED); 24 textView. setText ("detected virus:" + info. name); 25} else {26 // not a virus 27 textView. setTextColor (Color. BLACK); 28 textView. setText ("Scan security:" + info. name); 29} 30 ll_add_text.addView (textView, 0); 31 break; 32 case SCAN_FINISH: 33 TV _name.setText ("Scan completed "); 34 // stop the actually executed rotation animation 35 iv_scanning.clearAnimation (); 36 // notify the user to uninstall the application containing the virus 37 unInstallVirus (); 38 break; 39} 40 }; 41}; 42 43 44 45 @ Override 46 protected void onCreate (Bundle savedInstanceState) {47 super. onCreate (savedInstanceState); 48 setContentView (R. layout. activity_anit_virus); 49 50 initUI (); 51 initAnimation (); 52 checkVirus (); 53} 54 55 protected void unInstallVirus () {56 for (ScanInfo scanInfo: mVirusScanInfoList) {57 String packageName = scanInfo. packageName; 58 // source code 59 Intent intent = new Intent ("android. intent. action. DELETE "); 60 intent. addCategory ("android. intent. category. DEFAULT "); 61 intent. setData (Uri. parse ("package:" + packageName); 62 startActivity (intent); 63} 64} 65 66 private void checkVirus () {67 new Thread () {68 public void run () {69 // obtain the md5 code 70 List of all viruses in the database <String> virusList = VirusDao. getVirusList (); 71 // obtain the md5 code of all application signature files on the mobile phone 72 // 1. get PackageManager object 73 PackageManager pm = getPackageManager (); 74 // 2. obtain all application signature files (PackageManager. GET_SIGNATURES: Signature file of the installed application +) 75 // PackageManager. GET_UNINSTALLED_PACKAGES: the application that has been uninstalled. The residual file 76 List <PackageInfo> packageInfoList = pm. getInstalledPackages (77 PackageManager. GET_SIGNATURES + PackageManager. GET_UNINSTALLED_PACKAGES); 78 // create a collection of record viruses 79 80 mVirusScanInfoList = new ArrayList <ScanInfo> (); 81 82 // record the collection of all applications 83 List <ScanInfo> scanInfoList = new ArrayList <ScanInfo> (); 84 85 // set the maximum value of the progress bar 86 pb_bar.setMax (packageInfoList. size (); 87 88 // 3. traverse the application set 89 for (PackageInfo packageInfo: packageInfoList) {90 ScanInfo scanInfo = new ScanInfo (); 91 // obtain the array 92 Signature [] signatures = packageInfo. signatures; 93 // obtain the first digit of the Signature file array, and then perform md5. Compare the md5 value with the md5 value in the database 94 signature = signatures [0]; 95 String string = Signature. toCharsString (); 96 // 32-Bit String, hexadecimal character (0-f) 97 String encoder = Md5Util. encoder (string); 98 // 4, check whether the application is virus 99 if (virusList. contains (encoder) {100 // 5. record the virus 101 scanInfo. isVirus = true; 102 mVirusScanInfoList. add (scanInfo); 103} else {104 scanInfo. isVirus = false; 105} 106/6, maintenance object package name, and application name 107 scanInfo. packageName = packageInfo. packageName; 108 scanInfo. name = packageInfo. applicationInfo. loadLabel (pm ). toString (); 109 scanInfoList. add (scanInfo); 110 // 7. during the scanning process, you must update the progress bar 111 index ++; 112 pb_bar.setProgress (index); 113 114 115 try {Thread. sleep (50 + new Random (). nextInt (100); 116} catch (InterruptedException e) {117 e. printStackTrace (); 118} 119 120 // 8. send a Message to the main thread to update the UI (1: name of the top scan application 2: add view to the linear layout during the scan) 121 Message msg = Message. obtain (); 122 msg. what = SCANING; 123 msg. obj = scanInfo; 124 mHandler. sendMessage (msg); 125} 126 Message msg = Message. obtain (); 127 msg. what = SCAN_FINISH; 128 mHandler. sendMessage (msg); 129}; 130 }. start (); 131} 132 133 class ScanInfo {134 public boolean isVirus; 135 public String packageName; 136 public String name; 137} 138 139 private void initAnimation () {140 RotateAnimation rotateAnimation = new RotateAnimation (141 0,360,142 Animation. RELATIVE_TO_SELF, 0.5f, 143 Animation. RELATIVE_TO_SELF, 0.5f); 144 rotateAnimation. setDuration (1000); 145 // specify that the animation is always rotated 146 // rotateAnimation. setRepeatMode (RotateAnimation. INFINITE); 147 rotateAnimation. setRepeatCount (RotateAnimation. INFINITE); 148 // keep the animation in the 149 rotateAnimation state after it is executed. setFillAfter (true); 150 // always execute animation 151 iv_scanning.startAnimation (rotateAnimation); 152} 153 154 private void initUI () {155 iv_scanning = (ImageView) findViewById (R. id. iv_scanning); 156 TV _name = (TextView) findViewById (R. id. TV _name); 157 pb_bar = (ProgressBar) findViewById (R. id. pb_bar); 158 maid = (LinearLayout) findViewById (R. id. ll_add_text); 159} 160}

AnitVirusActivity