AppUtil.java

package com.chudiangameplay.android.util;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.support.v4.content.FileProvider;
import android.util.Log;

import java.io.File;

/**
 * Created by Administrator on 2019/1/6.
 */

public class AppUtil {
    public static void install(Context mContext, String filePath) {
        Log.i("test", "开始执行安装: " + filePath);
        File apkFile = new File(filePath);
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            Log.w("test", "版本大于 N ，开始使用 fileProvider 进行安装");
            intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            Uri contentUri = FileProvider.getUriForFile(
                    mContext
                    , "com.chudiangameplay.android.fileprovider"
                    , apkFile);
            intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
        } else {
            Log.w("test", "正常进行安装");
            intent.setDataAndType(Uri.fromFile(apkFile), "application/vnd.android.package-archive");
        }
        mContext.startActivity(intent);
    }
}