03-10 10:44:55.401 610-610/com.scjt.wiiwork E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.scjt.wiiwork, PID: 610
android.os.FileUriExposedException: file:///sdcard/update/wiiwork.apk exposed beyond app through Intent.getData()
at android.os.StrictMode.onFileUriExposed(StrictMode.java:1816)
at android.net.Uri.checkFileUriExposed(Uri.java:2350)
at android.content.Intent.prepareToLeaveProcess(Intent.java:9076)
at android.content.Intent.prepareToLeaveProcess(Intent.java:9037)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1530)
at android.app.Activity.startActivityForResult(Activity.java:4391)
at android.support.v4.app.BaseFragmentActivityJB.startActivityForResult(BaseFragmentActivityJB.java:48)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:75)
at android.app.Activity.startActivityForResult(Activity.java:4335)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:856)
at android.app.Activity.startActivity(Activity.java:4697)
at android.app.Activity.startActivity(Activity.java:4665)
at com.scjt.wiiwork.utils.UpdateManager.installApk(UpdateManager.java:317)
at com.scjt.wiiwork.utils.UpdateManager.access$900(UpdateManager.java:38)
at com.scjt.wiiwork.utils.UpdateManager$5.handleMessage(UpdateManager.java:295)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6524)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:941)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:831)
![android.os.FileUriExposedException: file:///sdcard/update/wiiwork.apk exposed beyond app through I_第1张图片](http://img.e-com-net.com/image/info8/f424d03043b9499dbc9e2273b9259e48.jpg)
原因:
Android N 上 安装Apk时报错:android.os.FileUriExposedException: file:///sdcard/update/wiiwork.apk exposed beyond app through Intent.getData()
解决办法:
1、在AndroidManifest.xml中添加如下代码
"android.support.v4.content.FileProvider"
android:authorities="app的包名.fileProvider"
android:grantUriPermissions="true"
android:exported="false">
"android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
注意:
authorities:app的包名.fileProvider
grantUriPermissions:必须是true,表示授予 URI 临时访问权限
exported:必须是false
resource:中的@xml/file_paths是我们接下来要添加的文件
2、在res目录下新建一个xml文件夹,并且新建一个file_paths的xml文件(如下图)
3、打开file_paths.xml文件添加如下内容
"1.0" encoding="utf-8"?>
"Android/data/app的包名/" name="files_root" />
"." name="external_storage_root" />
path:需要临时授权访问的路径(.代表所有路径)
name:就是你给这个访问路径起个名字
4、修改代码适配Android N
Intent intent = new Intent(Intent.ACTION_VIEW);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
Uri contentUri = FileProvider.getUriForFile(context, 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);
1、首先我们对Android N及以上做判断;
2、然后添加flags,表明我们要被授予什么样的临时权限
3、以前我们直接 Uri.fromFile(apkFile)
构建出一个Uri,现在我们使用FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileProvider", apkFile);
4、BuildConfig.APPLICATION_ID
直接是应用的包名
本文非原创,只是遇到这样的问题,记录下以便解决类似问题。
参考资料:
http://blog.csdn.net/yy1300326388/article/details/52787853