发一个完善版本的 思路还是原来的思路,上一篇文章:http://fengzhizi715.iteye.com/blog/792774
不过结合了线程和ProgressBar
代码如下:
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.net.HttpURLConnection;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.util.List;
- import javax.xml.parsers.ParserConfigurationException;
- import javax.xml.parsers.SAXParser;
- import javax.xml.parsers.SAXParserFactory;
- import org.xml.sax.Attributes;
- import org.xml.sax.SAXException;
- import org.xml.sax.helpers.DefaultHandler;
- import android.app.Activity;
- import android.app.ActivityManager;
- import android.app.ActivityManager.RunningAppProcessInfo;
- import android.content.ComponentName;
- import android.content.Context;
- import android.content.Intent;
- import android.content.pm.ResolveInfo;
- import android.net.Uri;
- import android.os.Bundle;
- import android.os.Environment;
- import android.os.Handler;
- import android.os.Message;
- import android.view.View;
- import android.widget.ProgressBar;
- import android.widget.Toast;
- import com.decarta.db.MapVersionTable;
- /**
- * @author Tony Shen
- *
- */
- publicclass Main extends Activity {
- private MapVersionTable mDB;
- private String mapVersion;
- private String apkUrl;
- private List<RunningAppProcessInfo> process;
- private ActivityManager activityMan;
- private ProgressBar progressBar;
- privatefinalint CHECK_NEW_VERSION = 1;
- privatefinalint DOWNLOAD = 2;
- privatefinalint INSTALL = 3;
- privatefinalint CHECK_APP = 4;
- privatefinalint INVOKE_APP = 5;
- privatefinalint DOWNLOAD_AGAIN = 6;
- privatefinalint INSTALL_AGAIN = 7;
- privateboolean newVersionFlag = false;
- privateboolean checkAppFlag = false;
- /** Called when the activity is first created. */
- @Override
- publicvoid onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- mDB = new MapVersionTable(this);
- progressBar = (ProgressBar) findViewById(R.id.progressBar);
- progressBar.setIndeterminate(false);
- progressBar.setVisibility(View.VISIBLE);
- progressBar.setMax(100);
- progressBar.setProgress(0);
- checkAppFlag = checkApp();
- new Thread(new Runnable() {
- Message msg = new Message();
- publicvoid run() {
- try {
- Thread.sleep(5000);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- msg.what = CHECK_NEW_VERSION;
- mHandler.sendMessage(msg);
- try {
- Thread.sleep(5000);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- if (newVersionFlag) {
- msg.what = DOWNLOAD;
- mHandler.sendMessage(msg);
- try {
- Thread.sleep(5000);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- msg.what = INSTALL;
- mHandler.sendMessage(msg);
- } else {
- msg.what = CHECK_APP;
- mHandler.sendMessage(msg);
- try {
- Thread.sleep(5000);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- if (checkAppFlag) {
- msg.what = INVOKE_APP;
- mHandler.sendMessage(msg);
- } else {
- msg.what = DOWNLOAD_AGAIN;
- mHandler.sendMessage(msg);
- try {
- Thread.sleep(5000);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- msg.what = INSTALL_AGAIN;
- mHandler.sendMessage(msg);
- }
- }
- }
- }).start();
- }
- private Handler mHandler = new Handler() {
- publicvoid handleMessage(Message msg) {
- switch(msg.what){
- case CHECK_NEW_VERSION:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "检查更新", Toast.LENGTH_SHORT).show();
- newVersionFlag = checkNewVersion();
- progressBar.setProgress(30);
- }
- break;
- case DOWNLOAD:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "下载更新", Toast.LENGTH_SHORT).show();
- downloadAPK(apkUrl);
- progressBar.setProgress(60);
- }
- break;
- case INSTALL:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "安装更新", Toast.LENGTH_SHORT).show();
- killProcess();
- progressBar.setProgress(100);
- installAPK();
- finish();
- }
- break;
- case CHECK_APP:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "检查应用", Toast.LENGTH_SHORT).show();
- // checkAppFlag = checkApp();
- progressBar.setProgress(60);
- }
- break;
- case INVOKE_APP:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "程序启动", Toast.LENGTH_SHORT).show();
- progressBar.setProgress(100);
- invokeAPK();
- finish();
- }
- break;
- case DOWNLOAD_AGAIN:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "下载更新", Toast.LENGTH_SHORT).show();
- progressBar.setProgress(80);
- downloadAPK(apkUrl);
- }
- break;
- case INSTALL_AGAIN:
- if(!Thread.currentThread().isInterrupted()){//当前线程正在运行
- Toast.makeText(Main.this, "安装更新", Toast.LENGTH_SHORT).show();
- progressBar.setProgress(100);
- installAPK();
- finish();
- }
- break;
- default:
- progressBar.setVisibility(View.GONE);
- Thread.currentThread().interrupt();//中断当前线程.
- break;
- }
- super.handleMessage(msg);
- }
- };
- privateboolean checkNewVersion() {
- try {
- URL url=new URL(AppConfig.SERVLET_URL);
- SAXParserFactory factory=SAXParserFactory.newInstance();
- factory.setNamespaceAware(true);
- factory.setValidating(false);
- SAXParser parser=factory.newSAXParser();
- InputStream is = url.openStream();
- parser.parse(is, new DefaultHandler(){
- private String cur="";
- privateint step;
- @Override
- publicvoid startDocument() throws SAXException {
- step = 0;
- }
- @Override
- publicvoid startElement(String uri, String localName,
- String qName, Attributes attributes)
- throws SAXException {
- cur = localName;
- }
- @Override
- publicvoid characters(char[] ch, int start, int length)
- throws SAXException {
- String str = new String(ch, start, length).trim();
- if (str == null || str.equals(""))
- return;
- if (cur.equals("url")) {
- apkUrl = str;
- }
- if (cur.equals("map_version")) {
- mapVersion = str;
- }
- }
- @Override
- publicvoid endElement(String uri, String localName,
- String qName) throws SAXException {
- step = step + 1;
- }
- @Override
- publicvoid endDocument() throws SAXException {
- super.endDocument();
- }
- });
- } catch (MalformedURLException e) {
- e.printStackTrace();
- } catch (ParserConfigurationException e) {
- e.printStackTrace();
- } catch (SAXException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- if (diffVersion(mapVersion))
- returntrue;
- else
- returnfalse;
- }
- privateboolean diffVersion(String mapVersion) {
- String lastVersion = mDB.getLastMapVersion();
- if (lastVersion == null) {
- mDB.setMapVersion(mapVersion);
- returntrue;
- }
- if (!lastVersion.equals(mapVersion)) {
- mDB.setMapVersion(mapVersion);
- returntrue;
- }
- else
- returnfalse;
- }
- privatevoid downloadAPK(String apkUrl) {
- String filePath = "//sdcard//download//" + AppConfig.APKNAME;
- URL url = null;
- try {
- url = new URL(apkUrl);
- HttpURLConnection con = (HttpURLConnection) url.openConnection();
- InputStream in = con.getInputStream();
- File fileOut = new File(filePath);
- FileOutputStream out = new FileOutputStream(fileOut);
- byte[] bytes = newbyte[1024];
- int c;
- while ((c = in.read(bytes)) != -1) {
- out.write(bytes, 0, c);
- }
- in.close();
- out.close();
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- privatevoid killProcess() {
- activityMan = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
- process = activityMan.getRunningAppProcesses();
- int len = process.size();
- for(int i = 0;i<len;i++) {
- if (process.get(i).processName.equals(AppConfig.PKG)) {
- android.os.Process.killProcess(process.get(i).pid);
- }
- }
- }
- privatevoid installAPK() {
- String fileName = getSDPath() +"/download/"+AppConfig.APKNAME;
- Intent intent = new Intent(Intent.ACTION_VIEW);
- intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive");
- startActivity(intent);
- }
- privatevoid invokeAPK() {
- Intent i=new Intent();
- i.setComponent(new ComponentName(AppConfig.PKG, AppConfig.CLS));
- startActivity(i);
- }
- privateboolean checkApp() {
- Intent intent = new Intent(Intent.ACTION_VIEW);
- intent.setClassName("com.android.settings",
- "com.android.settings.InstalledAppDetails");
- intent.putExtra("com.android.settings.ApplicationPkgName",
- AppConfig.APKNAME);
- List<ResolveInfo> acts = getPackageManager().queryIntentActivities(
- intent, 0);
- if (acts.size() > 0)
- returntrue;
- else
- returnfalse;
- }
- private String getSDPath() {
- File sdDir = null;
- boolean sdCardExist = Environment.getExternalStorageState().equals(
- android.os.Environment.MEDIA_MOUNTED); // determine whether sd card is exist
- if (sdCardExist) {
- sdDir = Environment.getExternalStorageDirectory();// get the root directory
- }
- return sdDir.toString();
- }
- @Override
- publicvoid finish() {
- super.finish();
- Thread.currentThread().interrupt();//中断当前线程.
- }
- @Override
- protectedvoid onDestroy() {
- super.onDestroy();
- try {
- mDB.close(); // be sure to close
- } catch (Exception e) {
- }
- }
- }
import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.List; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; import org.xml.sax.Attributes; import org.xml.sax.SAXException; import org.xml.sax.helpers.DefaultHandler; import android.app.Activity; import android.app.ActivityManager; import android.app.ActivityManager.RunningAppProcessInfo; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.pm.ResolveInfo; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.view.View; import android.widget.ProgressBar; import android.widget.Toast; import com.decarta.db.MapVersionTable; /** * @author Tony Shen * */ public class Main extends Activity { private MapVersionTable mDB; private String mapVersion; private String apkUrl; private List<RunningAppProcessInfo> process; private ActivityManager activityMan; private ProgressBar progressBar; private final int CHECK_NEW_VERSION = 1; private final int DOWNLOAD = 2; private final int INSTALL = 3; private final int CHECK_APP = 4; private final int INVOKE_APP = 5; private final int DOWNLOAD_AGAIN = 6; private final int INSTALL_AGAIN = 7; private boolean newVersionFlag = false; private boolean checkAppFlag = false; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mDB = new MapVersionTable(this); progressBar = (ProgressBar) findViewById(R.id.progressBar); progressBar.setIndeterminate(false); progressBar.setVisibility(View.VISIBLE); progressBar.setMax(100); progressBar.setProgress(0); checkAppFlag = checkApp(); new Thread(new Runnable() { Message msg = new Message(); public void run() { try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } msg.what = CHECK_NEW_VERSION; mHandler.sendMessage(msg); try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } if (newVersionFlag) { msg.what = DOWNLOAD; mHandler.sendMessage(msg); try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } msg.what = INSTALL; mHandler.sendMessage(msg); } else { msg.what = CHECK_APP; mHandler.sendMessage(msg); try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } if (checkAppFlag) { msg.what = INVOKE_APP; mHandler.sendMessage(msg); } else { msg.what = DOWNLOAD_AGAIN; mHandler.sendMessage(msg); try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } msg.what = INSTALL_AGAIN; mHandler.sendMessage(msg); } } } }).start(); } private Handler mHandler = new Handler() { public void handleMessage(Message msg) { switch(msg.what){ case CHECK_NEW_VERSION: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "检查更新", Toast.LENGTH_SHORT).show(); newVersionFlag = checkNewVersion(); progressBar.setProgress(30); } break; case DOWNLOAD: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "下载更新", Toast.LENGTH_SHORT).show(); downloadAPK(apkUrl); progressBar.setProgress(60); } break; case INSTALL: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "安装更新", Toast.LENGTH_SHORT).show(); killProcess(); progressBar.setProgress(100); installAPK(); finish(); } break; case CHECK_APP: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "检查应用", Toast.LENGTH_SHORT).show(); // checkAppFlag = checkApp(); progressBar.setProgress(60); } break; case INVOKE_APP: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "程序启动", Toast.LENGTH_SHORT).show(); progressBar.setProgress(100); invokeAPK(); finish(); } break; case DOWNLOAD_AGAIN: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "下载更新", Toast.LENGTH_SHORT).show(); progressBar.setProgress(80); downloadAPK(apkUrl); } break; case INSTALL_AGAIN: if(!Thread.currentThread().isInterrupted()){//当前线程正在运行 Toast.makeText(Main.this, "安装更新", Toast.LENGTH_SHORT).show(); progressBar.setProgress(100); installAPK(); finish(); } break; default: progressBar.setVisibility(View.GONE); Thread.currentThread().interrupt();//中断当前线程. break; } super.handleMessage(msg); } }; private boolean checkNewVersion() { try { URL url=new URL(AppConfig.SERVLET_URL); SAXParserFactory factory=SAXParserFactory.newInstance(); factory.setNamespaceAware(true); factory.setValidating(false); SAXParser parser=factory.newSAXParser(); InputStream is = url.openStream(); parser.parse(is, new DefaultHandler(){ private String cur=""; private int step; @Override public void startDocument() throws SAXException { step = 0; } @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { cur = localName; } @Override public void characters(char[] ch, int start, int length) throws SAXException { String str = new String(ch, start, length).trim(); if (str == null || str.equals("")) return; if (cur.equals("url")) { apkUrl = str; } if (cur.equals("map_version")) { mapVersion = str; } } @Override public void endElement(String uri, String localName, String qName) throws SAXException { step = step + 1; } @Override public void endDocument() throws SAXException { super.endDocument(); } }); } catch (MalformedURLException e) { e.printStackTrace(); } catch (ParserConfigurationException e) { e.printStackTrace(); } catch (SAXException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } if (diffVersion(mapVersion)) return true; else return false; } private boolean diffVersion(String mapVersion) { String lastVersion = mDB.getLastMapVersion(); if (lastVersion == null) { mDB.setMapVersion(mapVersion); return true; } if (!lastVersion.equals(mapVersion)) { mDB.setMapVersion(mapVersion); return true; } else return false; } private void downloadAPK(String apkUrl) { String filePath = "//sdcard//download//" + AppConfig.APKNAME; URL url = null; try { url = new URL(apkUrl); HttpURLConnection con = (HttpURLConnection) url.openConnection(); InputStream in = con.getInputStream(); File fileOut = new File(filePath); FileOutputStream out = new FileOutputStream(fileOut); byte[] bytes = new byte[1024]; int c; while ((c = in.read(bytes)) != -1) { out.write(bytes, 0, c); } in.close(); out.close(); } catch (Exception e) { e.printStackTrace(); } } private void killProcess() { activityMan = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE); process = activityMan.getRunningAppProcesses(); int len = process.size(); for(int i = 0;i<len;i++) { if (process.get(i).processName.equals(AppConfig.PKG)) { android.os.Process.killProcess(process.get(i).pid); } } } private void installAPK() { String fileName = getSDPath() +"/download/"+AppConfig.APKNAME; Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive"); startActivity(intent); } private void invokeAPK() { Intent i=new Intent(); i.setComponent(new ComponentName(AppConfig.PKG, AppConfig.CLS)); startActivity(i); } private boolean checkApp() { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setClassName("com.android.settings", "com.android.settings.InstalledAppDetails"); intent.putExtra("com.android.settings.ApplicationPkgName", AppConfig.APKNAME); List<ResolveInfo> acts = getPackageManager().queryIntentActivities( intent, 0); if (acts.size() > 0) return true; else return false; } private String getSDPath() { File sdDir = null; boolean sdCardExist = Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED); // determine whether sd card is exist if (sdCardExist) { sdDir = Environment.getExternalStorageDirectory();// get the root directory } return sdDir.toString(); } @Override public void finish() { super.finish(); Thread.currentThread().interrupt();//中断当前线程. } @Override protected void onDestroy() { super.onDestroy(); try { mDB.close(); // be sure to close } catch (Exception e) { } } }
效果图如下: