Android实现版本更新和自动安装
直接运行的项目和打包的项目apk签名不同,所以不能直接用开发工具运行项目进行版本更新.需要用apk打包安装的形式更新,否则会提示"签名冲突",无法完成覆盖安装
/** 版本更新 */
public class SplashActivity extends Activity {
private static final String TAG = "SplashActivity";
public static final int SHOW_UPDATE_DIALOG = 0;
public static final int SHOW_ERROR = 1;
public final static int CONNECT_TIMEOUT = 5000;
public final static int READ_TIMEOUT = 5000;
public final static int WRITE_TIMEOUT = 5000;
//获取设备名称
private String deviceName = Build.MODEL;
//获取设备序列号
private String serialNumber = getSerialNumber();
private VersionDataBean versionDataBean;
@Override
protected void onCreate(Bundle savedInstanceState) {
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash);
initData();
}
/**
* 初始化数据
*/
private void initData() {
boolean autoUpdate = PreferenceUtils.getBoolean(this, Constants.AUTO_UPDATE, true);
if (autoUpdate) {
//版本更新,去服务器获取最新的版本,和本地版本比较
new Thread(new CheckServerVersion()).start();
} else {
//直接跳转到登录界面
load2Login();
}
}
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
/** 弹出提示更新的dialog */
case SHOW_UPDATE_DIALOG:
showUpdateDialog();
break;
/** 提示错误 */
case SHOW_ERROR:
Toast.makeText(SplashActivity.this, msg.obj+"", Toast.LENGTH_LONG).show();
load2Login();
break;
default:
break;
}
}
};
/**
* 检查服务器端版本号
*/
private class CheckServerVersion implements Runnable {
@Override
public void run() {
//访问网络,获取服务器端版本号
OkHttpClient client = new OkHttpClient.Builder().readTimeout(READ_TIMEOUT, TimeUnit.SECONDS).writeTimeout
(WRITE_TIMEOUT,TimeUnit.SECONDS).connectTimeout(CONNECT_TIMEOUT, TimeUnit.SECONDS).build();
String url = new UrlInfo(SplashActivity.this).getUrl();
if (url.equals("http://null:null")) {
load2Login();
} else {
VersionDatas versionDatas = new VersionDatas();
//对象转json
final Gson gson = new Gson();
String versionDatasJson = gson.toJson(versionDatas);
FormBody body = new FormBody.Builder().add("versionDatasJson", versionDatasJson).build();
Request request = new Request.Builder().url(url).post(body).build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
//如果连接超时则跳转到登录界面
Message msg = Message.obtain();
msg.what = SHOW_ERROR;
msg.obj = "網絡異常!請檢查網絡連接狀況及設置信息";
handler.sendMessage(msg);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()) {
Log.d(TAG, "访问接口成功");
String json = response.body().string();
Log.d(TAG, "获取服务器端版本号json= " + json);
// 解析json数据
if(versionDataBean!=null){
versionDataBean = gson.fromJson(json, VersionDataBean.class);
//获取到服务器端版本号,对比本地的版本号
int serverVersionCode = versionDataBean.VERSION_NO;
int localVersionCode = PackageUtils.getVersionCode(SplashActivity.this);
if (serverVersionCode > localVersionCode) {
//服务器端版本号大于本地版本号,弹出dialog提示更新
Message showUpdateDialog = Message.obtain();
showUpdateDialog.what = SHOW_UPDATE_DIALOG;
handler.sendMessage(showUpdateDialog);
} else {
//跳转到登录界面
load2Login();
}
}else{
load2Login();
Log.d(TAG,"versionDatabean为空0918");
}
} else {
//跳转到登录界面
Log.d(TAG, "访问接口失败");
load2Login();
}
}
});
}
}
}
/**
* 弹出提示更新的dialog
*/
private void showUpdateDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setCancelable(false);
dialog.setTitle("版本更新提示");
dialog.setMessage("檢查到有最新版本,是否更新?");
dialog.setNegativeButton("暫不更新", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//跳转到登录界面
load2Login();
}
});
dialog.setPositiveButton("立刻更新", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//从服务器端下载最新apk
downloadApk();
}
});
dialog.show();
}
/**
* 从服务器端下载最新apk
*/
private void downloadApk() {
//显示下载进度
ProgressDialog dialog = new ProgressDialog(this);
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
dialog.setCancelable(false);
dialog.show();
//访问网络下载apk
new Thread(new DownloadApk(dialog)).start();
}
/**
* 访问网络下载apk
*/
private class DownloadApk implements Runnable {
private ProgressDialog dialog;
InputStream is;
FileOutputStream fos;
public DownloadApk(ProgressDialog dialog) {
this.dialog = dialog;
}
@Override
public void run() {
OkHttpClient client = new OkHttpClient();
String url = versionDataBean.VERSION_URL;
Request request = new Request.Builder().get().url(url).build();
try {
Response response = client.newCall(request).execute();
if (response.isSuccessful()) {
Log.d(TAG, "开始下载apk");
//获取内容总长度
long contentLength = response.body().contentLength();
//设置最大值
dialog.setMax((int) contentLength);
//保存到sd卡
File apkFile = new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis() + ".apk");
fos = new FileOutputStream(apkFile);
//获得输入流
is = response.body().byteStream();
//定义缓冲区大小
byte[] bys = new byte[1024];
int progress = 0;
int len = -1;
while ((len = is.read(bys)) != -1) {
try {
Thread.sleep(1);
fos.write(bys, 0, len);
fos.flush();
progress += len;
//设置进度
dialog.setProgress(progress);
} catch (InterruptedException e) {
Message msg = Message.obtain();
msg.what = SHOW_ERROR;
msg.obj = "ERROR:10002";
handler.sendMessage(msg);
load2Login();
}
}
//下载完成,提示用户安装
installApk(apkFile);
}
} catch (IOException e) {
Message msg = Message.obtain();
msg.what = SHOW_ERROR;
msg.obj = "ERROR:10003";
handler.sendMessage(msg);
load2Login();
} finally {
//关闭io流
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
is = null;
}
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
fos = null;
}
}
dialog.dismiss();
}
}
/**
* 下载完成,提示用户安装
*/
private void installApk(File file) {
//调用系统安装程序
Intent intent = new Intent();
intent.setAction("android.intent.action.VIEW");
intent.addCategory("android.intent.category.DEFAULT");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
startActivityForResult(intent, REQUEST_INSTALL_CODE);
}
/**
* 跳转到登录界面
*/
private void load2Login() {
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(2000);
Intent toLogin = new Intent(SplashActivity.this, LoginActivity.class);
startActivity(toLogin);
finish();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}).start();
}
/**
* 跳转到主界面
*/
private void load2MainActivity() {
Intent toMainActivity = new Intent(SplashActivity.this, MainActivity.class);
startActivity(toMainActivity);
finish();
}
/**
* 获取设备序列号
*/
private String getSerialNumber() {
String serial = null;
try {
Class c = Class.forName("android.os.SystemProperties");
Method get = c.getMethod("get", String.class);
serial = (String) get.invoke(c, "ro.serialno");
} catch (Exception e) {
e.printStackTrace();
}
return serial;
}
/**
* 封装版本升级数据
*/
private class VersionDatas {
String COMMAND = "GET_APP_VERSION";
String DEVICE_NAME = deviceName;
String DEVICE_SN = serialNumber;
}
}