DownloadUtils.java
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package com.huaheng.download;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.support.v4.content.FileProvider;
import com.huaheng.common.Constant;
import com.huaheng.common.WMSLog;
import com.huaheng.common.WMSUtils;
import com.huaheng.httplib.HttpConstant;
import com.huaheng.httplib.R;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
/**
* Created by youjie on 2018/8/24
*/
public class DownloadUtils {
private Context mContext;
private static DownloadUtils downloadUtils;
private String path = Environment.getExternalStorageDirectory().toString() + "/data/";
private ProgressDialog progressDialog;
ProgressHandlerThread handlerThread;
Handler mHandler;
public DownloadUtils(Context context) {
mContext = context;
handlerThread = new ProgressHandlerThread("ProgressHandlerThread");
handlerThread.start();
mHandler = new Handler(handlerThread.getLooper(), handlerThread);
}
public static DownloadUtils as(Context context) {
if(downloadUtils == null) {
downloadUtils = new DownloadUtils(context);
}
return downloadUtils;
}
public void startDownload() {
String pkgName = WMSUtils.getPackageName(mContext);
int versionCode = WMSUtils.getVersionCode(mContext);
final JSONObject object = new JSONObject();
try {
object.put("pkgName", pkgName);
object.put("versionCode", versionCode);
} catch (JSONException e) {
e.printStackTrace();
}
OKHttpUtils.commonPost(HttpConstant.GET_APKINFO_URL, object.toString(), new OKHttpInterface() {
@Override
public void onSuccess(String info) {
WMSLog.d("onSuccess :" + info);
try {
JSONObject object1 = new JSONObject(info);
int code = (int)object1.get("code");
final String msg = WMSUtils.getJsonData(object1, "msg");
String data = WMSUtils.getJsonData(object1, "data");
if(code != Constant.RET_OK) {
Looper.prepare();
WMSLog.d("onSuccess@@ :" + msg);
Looper.loop();
} else {
JSONObject jsonObject = new JSONObject(data);
String url = WMSUtils.getJsonData(jsonObject, "url");
String md5 = WMSUtils.getJsonData(jsonObject, "md5");
int version = Integer.parseInt(WMSUtils.getJsonData(jsonObject, "versionCode"));
download(url, md5, version);
}
} catch (JSONException e) {
e.printStackTrace();
WMSUtils.showShort(mContext, mContext.getString(R.string.download_fail));
}
}
@Override
public void onFail(String msg) {
WMSLog.d("onFail :" + msg);
Looper.prepare();
// WMSUtils.showShort(mContext.getString(R.string.network_exception));
Looper.loop();
}
});
}
private void download(String url, final String md5, int version) {
showProgress();
FileInfo fileInfo = new FileInfo();
fileInfo.setFileName(WMSUtils.getPackageName(mContext) + ".apk");
fileInfo.setFileType(FileInfo.FILE_TYPE_APK);
fileInfo.setPath(path);
fileInfo.setPkgName(WMSUtils.getPackageName(mContext));
fileInfo.setUrl(url);
fileInfo.setVersion(version);
DownloadManager.getInstance(mContext).startDownload(fileInfo);
DownloadManager.getInstance(mContext).setOnFileDownloadListener(new OnFileDownloadListener() {
@Override
public void onProgress(String fileName, int progress) {
WMSLog.d("onProgress progress:" + progress);
progressDialog.setProgress(progress);
}
@Override
public void onError(String fileName, String msg) {
WMSLog.d("onError msg:" + msg);
// WMSUtils.showShort(msg);
progressDialog.dismiss();
}
@Override
public void onSuccess(String fileName) {
WMSLog.d("onSuccess fileName:" + fileName);
File apkFile = new File(path + fileName);
String fileMD5 = WMSUtils.md5(apkFile);
// WMSLog.d("fileMD5:" + fileMD5 + " md5:" + md5);
if(!fileMD5.equals(md5)) {
WMSUtils.showShort(mContext, mContext.getString(R.string.md5_fail));
progressDialog.dismiss();
return;
}
WMSUtils.showShort(mContext, mContext.getString(R.string.download_success));
Intent intent = new Intent(Intent.ACTION_VIEW);
if(Build.VERSION.SDK_INT>= Build.VERSION_CODES.N) {
Uri contentUri = FileProvider.getUriForFile(mContext,"com.lijinji.hucai.fileProvider", apkFile);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setDataAndType(contentUri,"application/vnd.android.package-archive");
}else{
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(Uri.fromFile(apkFile),"application/vnd.android.package-archive");
}
mContext.startActivity(intent);
progressDialog.dismiss();
}
@Override
public void onCanceled(String fileName) {
progressDialog.dismiss();
}
});
}
private void showProgress() {
mHandler.sendEmptyMessage(0);
}
private void innerShowProgress() {
progressDialog = new ProgressDialog(mContext);//实例化ProgressDialog
progressDialog.setMax(100);//设置最大值
progressDialog.setTitle(mContext.getString(R.string.progress_download));//设置标题
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);//设置样式为横向显示进度的样式
progressDialog.setIndeterminate(false);//是否精确显示对话框，flase为是，反之为否
//是否可以通过返回按钮退出对话框
progressDialog.setCancelable(false);
progressDialog.show();//显示对话框
}
private class ProgressHandlerThread extends HandlerThread implements Handler.Callback {
public ProgressHandlerThread(String name) {
super(name);
}
@Override
public boolean handleMessage(Message msg) {
innerShowProgress();
return true;
}
}
}