获取版本号
/**
* 获取版本号
*
* @return
*/
private String getVersionName() {
PackageManager pm = getPackageManager();// 用来管理手机的apk
try {
PackageInfo info = pm.getPackageInfo(getPackageName(), 0);// 得到指定apk的功能清单
return info.versionName;
} catch (NameNotFoundException e) {
e.printStackTrace();
}
return "";
}
检查更新
private void checkUpadate() {
new Thread() {
@Override
public void run() {
long startTime = System.currentTimeMillis();
Message mes = Message.obtain();
try {
URL url = new URL(getString(R.string.versionURL));
// 联网
HttpURLConnection conn = (HttpURLConnection) url
.openConnection();
conn.setRequestMethod("GET");// 要 大写
conn.setConnectTimeout(4000);
int code = conn.getResponseCode();
Log.i("select", code + "");
if (code == 200) {
// 联网成功
InputStream is = conn.getInputStream();
// 把流转为String 类型
String result = StreamTools.readFromStream(is);
Log.i("SplashActivity", result);
// json 解析
JSONObject obj = new JSONObject(result);
String version = (String) obj.get("version");
desciption = (String) obj.get("description");
apkurl = (String) obj.get("apkurl");
if (getVersionName().equals(version)) {
// 版本一致， 没有新版本， 进入主页面
mes.what = ENTER_HOME;
} else {
// 有新版本 ，弹出一堆话框
mes.what = SHOW_UPDATE_DIALOG;
}
}
} catch (MalformedURLException e) {
e.printStackTrace();
mes.what = URL_ERROR;
} catch (IOException e) {
e.printStackTrace();
mes.what = NET_ERROR;
} catch (JSONException e) {
e.printStackTrace();
mes.what = JSON_ERROR;
} finally {
long endTime = System.currentTimeMillis();
// 花了 多少时间
long dTime = endTime - startTime;
if (dTime < 2000) {
try {
Thread.sleep(2000 - dTime);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
handler.sendMessage(mes);
}
}
}.start();
}
handle 弹窗 判断是否升级
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SHOW_UPDATE_DIALOG:
Log.i("select", "显示升级的对话狂");
showUpdateDialog();
break;
case ENTER_HOME:
enterHome();
break;
case URL_ERROR:
enterHome();
Toast.makeText(getApplicationContext(), "URL_ERROR错误", 1)
.show();
break;
case NET_ERROR:
enterHome();
Toast.makeText(getApplicationContext(), "NET_ERROR错误", 1)
.show();
break;
case JSON_ERROR:
enterHome();
Toast.makeText(getApplicationContext(), "JSON_ERROR错误", 1)
.show();
break;
}
}
/**
* 弹出升级对话框
*/
private void showUpdateDialog() {
// http://zhidao.baidu.com/link?url=N7UoPhqAMbgFbrWkChLQVpO_7Rvae6ywzMwTIwgEmznqeiYsDpdF2qLcSHmItgPID500zdsATaQAPPCLLPQs7q
AlertDialog.Builder builder = new Builder(SplashActivity.this);
builder.setTitle("提示升级");
// builder.setCancelable(false);//强制升级
builder.setMessage(desciption);
builder.setOnCancelListener(new OnCancelListener() {// 随便点 或者点返回
@Override
public void onCancel(DialogInterface dialog) {
// 默认取消安装 进入主页面
enterHome();
dialog.dismiss();
}
});
builder.setNegativeButton("下次再说", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
enterHome();
}
});
builder.setPositiveButton("立刻升级1", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// 下载apk 替换安装
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
// SDCARD 存在
// afnal
FinalHttp finalHttp = new FinalHttp();
finalHttp.download(apkurl, Environment
.getExternalStorageDirectory()
.getAbsolutePath()
+ "/mobilesave2.0apk",
new AjaxCallBack<File>() {
@Override
public void onFailure(Throwable t,
int errorNo, String strMsg) {
t.printStackTrace();
Toast.makeText(getApplicationContext(),
"下载失败", 1).show();
super.onFailure(t, errorNo, strMsg);
}
@Override
public void onLoading(long count,
long current) {
super.onLoading(count, current);
int progress = (int) (current * 100 / count);
tv_update_info
.setVisibility(View.VISIBLE);
tv_update_info.setText("下载进度："
+ progress + "%");
}
@Override
public void onSuccess(File t) {
super.onSuccess(t);
installAPK(t);
}
private void installAPK(File t) {
Intent intent = new Intent();
intent.setAction("android.intent.action.VIEW");
intent.addCategory("android.intent.category.DEFAULT");
intent.setDataAndType(Uri.fromFile(t),
"application/vnd.android.package-archive");
startActivity(intent);
}
});
} else {
Toast.makeText(getApplicationContext(), "没有sdcard", 0)
.show();
return;
}
}
});
builder.show();
}
};
