Android 以编程方式安装 apk 错误 - 包解析错误
Android install apk programmatically error - Package Parse error
我在我的页面上创建了一个 Edittext,以允许用户通过下载 apk 并安装来更新应用程序。我正在使用 loojp 库来处理 Asynctask。
我在 activity 的代码:
f0textupdate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(final View view) {
try {
view.setEnabled(false);
final ProgressBar f0progress = (ProgressBar) findViewById(R.id.f0progress);
f0progress.setProgress(0);
mHttpClient.get("http://google.com/apps.apk", new FileAsyncHttpResponseHandler(lastcreated) {
@Override
public void onSuccess(int i, Header[] headers, File file) {
//sendBroadcast(new Intent(Intent.ACTION_INSTALL_PACKAGE, Uri.fromFile(file)));
try {
String path = file.getParent()+"/"+ CfgMain.siteid+ ".apk";
File dst = new File(path);
if (!dst.exists()) {
try {
dst.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
InputStream in = new FileInputStream(file);
OutputStream out = new FileOutputStream(dst);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
Intent installIntent = new Intent();
installIntent.setAction(Intent.ACTION_INSTALL_PACKAGE);
installIntent.setDataAndType(Uri.fromFile(dst), "application/vnd.android.package-archive");
installIntent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true);
installIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true);
installIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(installIntent);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onFailure(int i, Header[] headers, Throwable throwable, File file) {
if (file.exists()) {
file.delete();
}
}
@Override
public void onProgress(long bytesWritten, long totalSize) {
int totProgress = (int) (((float) bytesWritten * 100) / totalSize);
if (totProgress > 0) {
f0progress.setVisibility(View.VISIBLE);
f0progress.setProgress(totProgress);
}
}
});
} catch (Exception ex) {
}
}
});
Manifest.xml
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
提示错误信息"Package parse error"。
1) 下载后是否需要按照原始 apk 名称转换文件名,因为 "File file" 似乎存储为没有扩展名的临时名称
更新 1
来自 logCat 的错误:
05-17 11:17:19.142 4562-4562/? W/zipro:无法打开 zip '/data/data/com.M28/cache/77lori.apk': Permission denied
05-17 11:17:19.152 4562-4562/? W/PackageParser:无法读取/data/data/com.MMM/cache/MM.apk的AndroidManifest.xml
java.io.FileNotFoundException: AndroidManifest.xml
更新 1.1
- 更改 Onsuccess()
- 在 Manifest.xml
添加额外权限
好的,从其他论坛 (xamarin) 找到 solution 并解决我的问题..
您需要将 APK 保存到 public 目录。
例如:
String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)+"/MM.apk";
这可能是最小 sdk 版本的问题。如果您尝试在较低的 sdk 上安装,那么您可能会遇到此类错误
我在我的页面上创建了一个 Edittext,以允许用户通过下载 apk 并安装来更新应用程序。我正在使用 loojp 库来处理 Asynctask。
我在 activity 的代码:
f0textupdate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(final View view) {
try {
view.setEnabled(false);
final ProgressBar f0progress = (ProgressBar) findViewById(R.id.f0progress);
f0progress.setProgress(0);
mHttpClient.get("http://google.com/apps.apk", new FileAsyncHttpResponseHandler(lastcreated) {
@Override
public void onSuccess(int i, Header[] headers, File file) {
//sendBroadcast(new Intent(Intent.ACTION_INSTALL_PACKAGE, Uri.fromFile(file)));
try {
String path = file.getParent()+"/"+ CfgMain.siteid+ ".apk";
File dst = new File(path);
if (!dst.exists()) {
try {
dst.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
InputStream in = new FileInputStream(file);
OutputStream out = new FileOutputStream(dst);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
Intent installIntent = new Intent();
installIntent.setAction(Intent.ACTION_INSTALL_PACKAGE);
installIntent.setDataAndType(Uri.fromFile(dst), "application/vnd.android.package-archive");
installIntent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true);
installIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true);
installIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(installIntent);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onFailure(int i, Header[] headers, Throwable throwable, File file) {
if (file.exists()) {
file.delete();
}
}
@Override
public void onProgress(long bytesWritten, long totalSize) {
int totProgress = (int) (((float) bytesWritten * 100) / totalSize);
if (totProgress > 0) {
f0progress.setVisibility(View.VISIBLE);
f0progress.setProgress(totProgress);
}
}
});
} catch (Exception ex) {
}
}
});
Manifest.xml
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
提示错误信息"Package parse error"。
1) 下载后是否需要按照原始 apk 名称转换文件名,因为 "File file" 似乎存储为没有扩展名的临时名称
更新 1 来自 logCat 的错误:
05-17 11:17:19.142 4562-4562/? W/zipro:无法打开 zip '/data/data/com.M28/cache/77lori.apk': Permission denied
05-17 11:17:19.152 4562-4562/? W/PackageParser:无法读取/data/data/com.MMM/cache/MM.apk的AndroidManifest.xml java.io.FileNotFoundException: AndroidManifest.xml
更新 1.1 - 更改 Onsuccess()
- 在 Manifest.xml 添加额外权限
好的,从其他论坛 (xamarin) 找到 solution 并解决我的问题.. 您需要将 APK 保存到 public 目录。
例如:
String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)+"/MM.apk";
这可能是最小 sdk 版本的问题。如果您尝试在较低的 sdk 上安装,那么您可能会遇到此类错误