Android 实现apk文件下载并自动安装
来源:互联网 发布:量化交易编程 编辑:程序博客网 时间:2024/05/16 08:42
//下载apk程序代码
protected File downLoadFile(String httpUrl) {
// TODO Auto-generated method stub
final String fileName = "updata.apk";
File tmpFile = new File("/sdcard/update");
if (!tmpFile.exists()) {
tmpFile.mkdir();
}
final File file = new File("/sdcard/update/" + fileName);
try {
URL url = new URL(httpUrl);
try {
HttpURLConnection conn = (HttpURLConnection) url
.openConnection();
InputStream is = conn.getInputStream();
FileOutputStream fos = new FileOutputStream(file);
byte[] buf = new byte[256];
conn.connect();
double count = 0;
if (conn.getResponseCode() >= 400) {
Toast.makeText(Main.this, "连接超时", Toast.LENGTH_SHORT)
.show();
} else {
while (count <= 100) {
if (is != null) {
int numRead = is.read(buf);
if (numRead <= 0) {
break;
} else {
fos.write(buf, 0, numRead);
}
} else {
break;
}
}
}
conn.disconnect();
fos.close();
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return file;
}
//打开APK程序代码
private void openFile(File file) {
// TODO Auto-generated method stub
Log.e("OpenFile", file.getName());
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive");
startActivity(intent);
}
protected File downLoadFile(String httpUrl) {
// TODO Auto-generated method stub
final String fileName = "updata.apk";
File tmpFile = new File("/sdcard/update");
if (!tmpFile.exists()) {
tmpFile.mkdir();
}
final File file = new File("/sdcard/update/" + fileName);
try {
URL url = new URL(httpUrl);
try {
HttpURLConnection conn = (HttpURLConnection) url
.openConnection();
InputStream is = conn.getInputStream();
FileOutputStream fos = new FileOutputStream(file);
byte[] buf = new byte[256];
conn.connect();
double count = 0;
if (conn.getResponseCode() >= 400) {
Toast.makeText(Main.this, "连接超时", Toast.LENGTH_SHORT)
.show();
} else {
while (count <= 100) {
if (is != null) {
int numRead = is.read(buf);
if (numRead <= 0) {
break;
} else {
fos.write(buf, 0, numRead);
}
} else {
break;
}
}
}
conn.disconnect();
fos.close();
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return file;
}
//打开APK程序代码
private void openFile(File file) {
// TODO Auto-generated method stub
Log.e("OpenFile", file.getName());
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive");
startActivity(intent);
}
- Android 实现apk文件下载并自动安装
- Android 实现apk文件下载并自动安装
- Android实现文件下载并自动安装apk包
- Android实现文件下载并自动安装apk包
- Android 实现apk文件下载并自动安装
- Android 实现apk文件下载并自动安装
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android实现应用下载并自动安装apk包
- Android下载APK并自动安装
- Android APK文件下载 并自动安装 显示文件下载进度,速度,以及花费时间
- Android下载apk文件并安装
- android 下载好了自动安装apk文件
- 黑马程序员--C#运算符
- 从:非洲发现生长速度最快的鱼 想到的
- linux性能书籍
- 【外国文学史有感】
- 开源代码网站
- Android 实现apk文件下载并自动安装
- 翻开我的编程新篇章
- android APK文件有自己的MIME类型了
- DragonBones快速入门指南
- IOS block 教程
- Qt运行一个实例进程
- acm国家集训队论文(1999-2009)
- try catch finally的执行顺序到底是怎样的?
- Combo Box的用法总结