我使用了这个主题
我尝试了这段代码,但它没有起作用:
PACKAGE_NAME = context.getApplicationContext().getPackageName();
try {
pi = context.getPackageManager().getPackageInfo(PACKAGE_NAME, PackageManager.GET_PERMISSIONS);
for (String perm : pi.requestedPermissions) {
Log.e("Foo", perm);
}
} catch (Exception e) {
}
但它不能帮助我。我有应用程序列表,我想获取每个应用程序使用的权限。 我该如何处理?
更新: 就像这张照片,当点击“دسترسی ها”时,我想要获取在该应用程序中使用的权限。(例如在Telegram中:互联网、存储、呼叫、相机...)
更新2:
我将分享我的问题适配器代码。
我的适配器:
class AppViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
AppViewHolder(View itemView, Context context, List<App> apps) {
super(itemView);
txt_show_permission = itemView.findViewById(R.id.txt_show_permission);
/*The String Buffer For Permissions*/
appNameAndPermissions = new StringBuffer();
PackageManager pm = context.getPackageManager();
List<ApplicationInfo> packages = pm.getInstalledApplications(PackageManager.GET_META_DATA);
for (ApplicationInfo applicationInfo : packages) {
Log.d(TAG, "App: " + applicationInfo.name + " Package: " + applicationInfo.packageName);
PackageInfo packageInfo = null;
try {
packageInfo = pm.getPackageInfo(applicationInfo.packageName, PackageManager.GET_PERMISSIONS);
appNameAndPermissions.append(packageInfo.packageName + "*******:\n");
//Get Permissions
requestedPermissions = packageInfo.requestedPermissions;
if (requestedPermissions != null) {
for (int i = 0; i < requestedPermissions.length; i++) {
Log.d(TAG, requestedPermissions[i]);
appNameAndPermissions.append(requestedPermissions[i] + "\n");
}
appNameAndPermissions.append("\n");
}
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
}
}
在onBindViewHolder中为txt_show_permission设置点击监听器:
holder.txt_show_permission.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showDialog(String.valueOf(appNameAndPermissions));
}
});
适配器类中的对话框方法:
public void showDialog(String txtPermission) {
final Dialog dialog = new Dialog(context);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setCancelable(false);
dialog.setContentView(R.layout.show_permission_dialog);
TextView txt_permission = dialog.findViewById(R.id.txt_permission);
Button btn_ok = dialog.findViewById(R.id.btn_ok);
txt_permission.setText(txtPermission);
btn_ok.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}