使用okttputil网络请求框架检测更新
public
void
checkUpdate(Activity activity,
final
boolean
isShowTip) {
OkHttpUtils.get().url(Url.UPDATE_VERSION).build().execute(
new
StringCallback() {
@Override
public
void
onError(Call call, Exception e,
int
id) {
}
@Override
public
void
onResponse(String response,
int
id) {
final
JsonData jsonData = JsonData.create(response);
int
versionCode = jsonData.optInt(
"version"
);
int
currentVersionCode = SystemUtils.getAppVersionCode(context);
if
(versionCode > currentVersionCode) {
AlertDialog.Builder builder =
new
AlertDialog.Builder(context);
builder.setTitle(
"更新"
);
builder.setMessage(
"检测到有更新,是否立刻更新？"
);
builder.setNegativeButton(
"稍后更新"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
}
});
builder.setPositiveButton(
"立刻更新"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
if
(!StringUtils.isWifi(context)) {
AlertDialog.Builder builder =
new
AlertDialog.Builder(context);
builder.setTitle(
"提示"
);
builder.setMessage(
"您当前正在使用移动网络，继续下载将消耗流量"
);
builder.setNegativeButton(
"取消"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
}
});
builder.setPositiveButton(
"确定"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
downLoadApk(jsonData.optString(
"download"
));
}
});
builder.create().show();
}
else
{
downLoadApk(jsonData.optString(
"download"
));
}
}
});
builder.create().show();
}
else
{
if
(isShowTip) {
ToastUtils.show(context,
"当前已是最新版本"
);
}
}
}
});
}
/*
* 从服务器中下载APK
*/
protected
void
downLoadApk(
final
String url) {
final
ProgressDialog pd;
//进度条对话框
pd =
new
ProgressDialog(
this
);
pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pd.setMessage(
"正在下载更新"
);
pd.show();
new
Thread() {
@Override
public
void
run() {
try
{
File file = DownLoadManager.getFileFromServer(url, pd);
sleep(
3000
);
installApk(file);
pd.dismiss();
//结束掉进度条对话框
}
catch
(Exception e) {
Toast.makeText(context,
"下载失败!"
,
Toast.LENGTH_SHORT).show();
e.printStackTrace();
}
}
}.start();
}
//安装apk
protected
void
installApk(File file) {
Intent intent =
new
Intent();
//执行动作
intent.setAction(Intent.ACTION_VIEW);
//执行的数据类型
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive"
);
startActivity(intent);
}
|
这里是下载数据的代码DownLoadManager.java
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.ProgressDialog;
import android.os.Environment;
public class DownLoadManager {
public static File getFileFromServer(String path, ProgressDialog pd) throws Exception {
//如果相等的话表示当前的sdcard挂载在手机上并且是可用的
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(
5000
);
//获取到文件的大小
pd.setMax(conn.getContentLength());
InputStream is = conn.getInputStream();
File file = new File(Environment.getExternalStorageDirectory(), "某某某.apk");
FileOutputStream fos = new FileOutputStream(file);
BufferedInputStream bis = new BufferedInputStream(is);
byte[] buffer = new byte[1024];
int len;
int total = 0;
while ((len = bis.read(buffer)) != -1) {
fos.write(buffer,
0
, len);
total += len;
//获取当前下载量
pd.setProgress(total);
}
fos.close();
bis.close();
is.close();
return file;
} else {
return null;
}
}
}
|
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
