Android更新apk兼容7.0和8.0

/**
 * 判断版本
 */
private void checkVersionUpdate(final Context mContext, final File file) {
    if (Build.VERSION.SDK_INT >= 26) {
        boolean b = getPackageManager().canRequestPackageInstalls();
        if (b) {
            installApk(mContext, file);
        } else {
            //请求安装未知应用来源的权限

            String[] permissions = {Manifest.permission.REQUEST_INSTALL_PACKAGES};
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                requestPermissions(permissions, 11);
            }
        }
    } else {
        installApk(mContext, file);
    }

}
public void installApk(Context mContext, File file) {
    Uri fileUri;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        //通过FileProvider创建一个content类型的Uri用于适配7.0
        fileUri = FileProvider.getUriForFile(mContext, "com.bingding.richtext.app.fileprovider", file);
    } else {
        fileUri = Uri.fromFile(file);
    }
    Intent it = new Intent();
    it.setAction(Intent.ACTION_VIEW);
    it.setDataAndType(fileUri, "application/vnd.android.package-archive");
    it.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);// 防止打不开应用
    it.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);// 兼容7.0
    startActivityForResult(it,111);
}



@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                       @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    List<String> deniedPermissions = getDeniedPermissions(permissions, grantResults);

    boolean agreeAll = deniedPermissions.isEmpty();
        if (requestCode == 11) {
        if (permissions.length > 0 && grantResults.length > 0 && agreeAll) {
            installApk(MainActivity.this, newApkFile);
        } else {
            showToast("请设置允许安装应用");
            Intent intent = new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
            startActivityForResult(intent, 1122);
        }
    }

}

记得配置清单文件






file_paths文件

标签：8.0,mContext,apk,7.0,VERSION,Intent,Build,file,permissions
来源： https://blog.csdn.net/SMITHKANG/article/details/97113711