UpdateViewModel.java 3.12 KB
package com.naji.xiaotao.update.vm;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AppCompatActivity;

import java.io.File;
import java.io.IOException;

import me.goldze.mvvmhabit.http.DownLoadManager;
import me.goldze.mvvmhabit.http.download.ProgressCallBack;
import me.goldze.mvvmhabit.utils.KLog;
import me.goldze.mvvmhabit.utils.ToastUtils;
import okhttp3.ResponseBody;

public class UpdateViewModel {


    public static void downloadFile(final Context context, String loadUrl) {

        final com.naji.xiaotao.update.ui.ProgressDialog progressDialog=new com.naji.xiaotao.update.ui.ProgressDialog();
        progressDialog.show(((AppCompatActivity)context).getSupportFragmentManager(),"ProgressDialog");

        final String destFileDir = context.getCacheDir().getPath();  //文件存放的路径
        final String destFileName = System.currentTimeMillis() + ".apk";//文件存放的名称
        DownLoadManager.getInstance().load(loadUrl, new ProgressCallBack<ResponseBody>(destFileDir, destFileName) {
            @Override
            public void onStart() {
                super.onStart();
            }

            @Override
            public void onCompleted() {
                progressDialog.dismiss();
            }

            @Override
            public void onSuccess(ResponseBody responseBody) {
                String file_path=destFileDir+"/"+destFileName;
                KLog.d("file_path:"+file_path);
                //下载完成安装
                install(context,file_path);
            }

            @Override
            public void progress(final long progress, final long total) {
                progressDialog.setProgress((int) (((double)progress/(double)total)*100));
            }

            @Override
            public void onError(Throwable e) {
                e.printStackTrace();
                ToastUtils.showShort("文件下载失败!");
            }
        });
    }

    private static void install(Context context,String filePath) {
        KLog.d("filePath:",filePath);
        File apkFile = new File(filePath);
        String[] command = {"chmod", "777", apkFile.getPath() };
        ProcessBuilder builder = new ProcessBuilder(command);
        try {
            builder.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

            intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            Uri contentUri = FileProvider.getUriForFile(
                    context
                    , "com.naji.xiaotao.fileprovider"
                    , apkFile);
            intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
        } else {
            intent.setDataAndType(Uri.fromFile(apkFile), "application/vnd.android.package-archive");
        }
        context.startActivity(intent);
    }
}