Android(安卓)7.0版本升级解析包错误

Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath()公有绝对路径

下载：

private void downLoadNewVersion() {    OkHttpUtils.get()            .url(url)            .headers(PackOkHttpUtils.getHeadsMap(this))            .tag(MainActivity.class)            .addParams("version", CommonParamsUtil.getVersion(getApplicationContext()))            .build()            .execute(new FileCallBack(Environment.getExternalStoragePublicDirectory                    (Environment.DIRECTORY_DOWNLOADS).getAbsolutePath(), "ypw.apk") {                @Override                public void inProgress(float progress, long total, int id) {                    super.inProgress(progress, total, id);                    int progressInt = (int) (progress * 100);                    progressDialog.setProgress(progressInt);                }                @Override                public void onError(Call call, Exception e, int id) {                    MyToast.showMessage("下载失败");                    List activities = ((MyAppLication) getApplication()).getActivities();                    for (AppCompatActivity activity : activities) {                        activity.finish();                    }                }                @Override                public void onResponse(File response, int id) {                    SPUtils.putBoolean("VersionUpdate", false);                    progressDialog.dismiss();                    Uri uri = Uri.fromFile(response);                    Intent intent = new Intent(Intent.ACTION_VIEW);                    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {//7.0系统                        uri = FileProvider.getUriForFile                                (MainActivity.this, "com.youpinwallet.ypw.provider", response);                        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//添加这一句表示对目标应用临时授权该Uri所代表的文件                    }                    intent.setDataAndType(uri, "application/vnd.android.package-archive");                    startActivity(intent);                }            });}

AndroidManifest.xml

    android:name="android.support.v4.content.FileProvider"    android:authorities="自己的包名.provider"    android:exported="false"    android:grantUriPermissions="true">            android:name="android.support.FILE_PROVIDER_PATHS"        android:resource="@xml/provider_paths" />

<?xml version="1.0" encoding="utf-8"?>            path="" name="camera_photos" />

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