标签：param round ide sed extern blog intent comm download
StackOverflow: http://stackoverflow.com/questions/38200282/android-os-fileuriexposedexception-file-storage-emulated-0-test-txt-exposed
1.在AndroidMainifest.xml文件中添加:
<provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.provider" android:exported="false" android:grantUriPermissions="true"> <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/provider_paths"/> </provider>
###:
authorities：app的包名.fileProvider
grantUriPermissions：true，表示授予 URI 临时访问权限
exported：false
resource：下一步添加的文件
2.在res下新建一个名为xml的文件家，再新建文件provider_paths:
<?xml version="1.0" encoding="utf-8"?>
<paths>
<external-path
name="files_root"
path="Android/data/com.example.downloadapk/"/>
<external-path
name="external_storage_root"
path="."/>
</paths>
###：
path：需要临时授权访问的路径（.代表所有路径）
name：给访问路径命名
3.安装apk文件:
/** * 安装apk文件 * * @param apkFile 安装包所在目录 */ private void installApk(File apkFile) { Intent intent = new Intent(Intent.ACTION_VIEW); try { String[] command = {"chmod", "777", apkFile.toString()}; ProcessBuilder builder = new ProcessBuilder(command); builder.start(); } catch (IOException ignored) { } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); Uri contentUri = FileProvider.getUriForFile(getApplicationContext(), BuildConfig.APPLICATION_ID + ".fileProvider", apkFile); intent.setDataAndType(contentUri, "application/vnd.android.package-archive"); } else { intent.setDataAndType(Uri.fromFile(apkFile), "application/vnd.android.package-archive"); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); } startActivity(intent); }
Android N安装apk报错：android.os.FileUriExposedException
标签：param round ide sed extern blog intent comm download
原文地址：http://www.cnblogs.com/rh1910362960/p/6536569.html
