当我尝试访问之前存储在 SharedPreferences 中的照片 URI 时，我的应用仅在 android >= 6.0 (marshmallow) 中崩溃。虽然第一次检索图像没有任何错误。我正在使用 targetSdkVersion 22，这样我就不需要处理 API >=23 中的运行时权限。

我的 list 文件中的权限

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.CAPTURE_AUDIO_OUTPUT" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.WRITE_CONTACTS" />
<uses-permission android:name="android.permission.MANAGE_DOCUMENTS" />

我得到的图像如下:

 // Determine Uri of camera image to save.
    final File root = new File(Environment.getExternalStorageDirectory() + File.separator + "pics" + File.separator);
    root.mkdirs();
    final String fname = Calendar.getInstance().getTimeInMillis() + ".jpg";
    final File sdImageMainDirectory = new File(root, fname);
    outputFileUri = Uri.fromFile(sdImageMainDirectory);

    // Camera.
    final List<Intent> cameraIntents = new ArrayList<Intent>();
    final Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
    final PackageManager packageManager = getPackageManager();
    final List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0);
    for (ResolveInfo res : listCam) {
        final String packageName = res.activityInfo.packageName;
        final Intent intent = new Intent(captureIntent);
        intent.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
        intent.setPackage(packageName);
        intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
        cameraIntents.add(intent);
    }

    // Filesystem.
    Intent galleryIntent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

    // Chooser of filesystem options.
    final Intent chooserIntent = Intent.createChooser(galleryIntent, "Select Source");

    // Add the camera options.
    chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[cameraIntents.size()]));
    startActivityForResult(chooserIntent, Constants.IMAGE_PICKER);

这是我的 OnActivityResult 方法:

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK) {
        if (requestCode == Constants.IMAGE_PICKER) {
            if (data == null) {
                selectedImageUri = outputFileUri;
            } else {
                selectedImageUri = data.getData();
            }
            if (selectedImageUri != null) {
                try {
                    String path = AppUtils.getPath(this, selectedImageUri);
                    if (path != null) {
                        Bitmap bitmap = AppUtils.decodeFile(new File(path));
                        File f = new File(System.currentTimeMillis() + ".jpg");
                        OutputStream os = new BufferedOutputStream(new FileOutputStream(f));
                        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, os);
                        os.close();
                        uploadImageToServer(f, bitmap);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

其中 getPath() 是来自 https://stackoverflow.com/a/20559418/3758972 的函数.

堆栈跟踪:

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.badiyajobs.app/com.badiyajobs.app.screens.ProfileActivity}: java.lang.SecurityException: Permission Denial: opening provider com.google.android.apps.photos.contentprovider.MediaContentProvider from ProcessRecord{25e87b7 20432:com.badiyajobs.app/u0a389} (pid=20432, uid=10389) that is not exported from uid 10107
                                                                    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2426)
                                                                    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)
                                                                    at android.app.ActivityThread.access$900(ActivityThread.java:154)
                                                                    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
                                                                    at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                    at android.os.Looper.loop(Looper.java:148)
                                                                    at android.app.ActivityThread.main(ActivityThread.java:5443)
                                                                    at java.lang.reflect.Method.invoke(Native Method)
                                                                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
                                                                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
                                                                 Caused by: java.lang.SecurityException: Permission Denial: opening provider com.google.android.apps.photos.contentprovider.MediaContentProvider from ProcessRecord{25e87b7 20432:com.badiyajobs.app/u0a389} (pid=20432, uid=10389) that is not exported from uid 10107
                                                                    at android.os.Parcel.readException(Parcel.java:1620)
                                                                    at android.os.Parcel.readException(Parcel.java:1573)
                                                                    at android.app.ActivityManagerProxy.getContentProvider(ActivityManagerNative.java:3605)
                                                                    at android.app.ActivityThread.acquireProvider(ActivityThread.java:4799)
                                                                    at android.app.ContextImpl$ApplicationContentResolver.acquireUnstableProvider(ContextImpl.java:2018)
                                                                    at android.content.ContentResolver.acquireUnstableProvider(ContentResolver.java:1466)
                                                                    at android.content.ContentResolver.query(ContentResolver.java:475)
                                                                    at android.content.ContentResolver.query(ContentResolver.java:434)
                                                                    at com.badiyajobs.app.utils.AppUtils.getDataColumn(AppUtils.java:790)
                                                                    at com.badiyajobs.app.utils.AppUtils.getPath(AppUtils.java:776)
                                                                    at com.badiyajobs.app.screens.ProfileActivity.setDefaultValue(ProfileActivity.java:192)
                                                                    at com.badiyajobs.app.screens.ProfileActivity.onCreate(ProfileActivity.java:162)
                                                                    at android.app.Activity.performCreate(Activity.java:6259)
                                                                    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1130)
                                                                    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2379)
                                                                    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490) 
                                                                    at android.app.ActivityThread.access$900(ActivityThread.java:154) 
                                                                    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354) 
                                                                    at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                                    at android.os.Looper.loop(Looper.java:148) 
                                                                    at android.app.ActivityThread.main(ActivityThread.java:5443) 
                                                                    at java.lang.reflect.Method.invoke(Native Method) 
                                                                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728) 
                                                                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 

我不知道我错过了什么。请帮忙。

最佳答案

在您的 Intent 中使用 ACTION_OPEN_DOCUMENT 而不是 ACTION_PICK。它允许对您请求的文件进行长期、持久的访问。

Intent galleryIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT);

文档在这里: https://developer.android.com/guide/topics/providers/document-provider.html

关于android - 权限被拒绝 : opening provider com. google.android.apps.photos.contentprovider.MediaContentProvider 不是从 uid 导出的，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40438537/