UpdateViewModel.java
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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);
}
}