更新的工具类updateUtils:
public class UpdateAppUtils {
private final String TAG = "UpdateAppUtils";
public static final int CHECK_BY_VERSION_NAME = 1001;
public static final int CHECK_BY_VERSION_CODE = 1002;
public static final int DOWNLOAD_BY_APP = 1003;
public static final int DOWNLOAD_BY_BROWSER = 1004;
private Activity activity;
private int checkBy = CHECK_BY_VERSION_CODE;
private int downloadBy = DOWNLOAD_BY_APP;
private int serverVersionCode = 0;
private String apkPath="";
private String serverVersionName="";
private boolean isForce = false; //是否强制更新
private int localVersionCode = 0;
private String localVersionName="";
private UpdateAppUtils(Activity activity) {
this.activity = activity;
getAPPLocalVersion(activity);
}
public static UpdateAppUtils from(Activity activity){
return new UpdateAppUtils(activity);
}
public UpdateAppUtils checkBy(int checkBy){
this.checkBy = checkBy;
return this;
}
public UpdateAppUtils apkPath(String apkPath){
this.apkPath = apkPath;
return this;
}
public UpdateAppUtils downloadBy(int downloadBy){
this.downloadBy = downloadBy;
return this;
}
public UpdateAppUtils serverVersionCode(int serverVersionCode){
this.serverVersionCode = serverVersionCode;
return this;
}
public UpdateAppUtils serverVersionName(String serverVersionName){
this.serverVersionName = serverVersionName;
return this;
}
public UpdateAppUtils isForce(boolean isForce){
this.isForce = isForce;
return this;
}
//获取apk的版本号 currentVersionCode
private void getAPPLocalVersion(Context ctx) {
PackageManager manager = ctx.getPackageManager();
try {
PackageInfo info = manager.getPackageInfo(ctx.getPackageName(), 0);
localVersionName = info.versionName; // 版本名
localVersionCode = info.versionCode; // 版本号
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
}
public void update(){
switch (checkBy){
case CHECK_BY_VERSION_CODE:
if (serverVersionCode >localVersionCode){
toUpdate();
}else {
Log.i(TAG,"当前版本是最新版本"+serverVersionCode+"/"+serverVersionName);
}
break;
case CHECK_BY_VERSION_NAME:
if (!serverVersionName.equals(localVersionName)){
toUpdate();
}else {
Log.i(TAG,"当前版本是最新版本"+serverVersionCode+"/"+serverVersionName);
}
break;
}
}
private void toUpdate() {
if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE)
== PackageManager.PERMISSION_GRANTED){
realUpdate();
}else {//申请权限
Toast.makeText(activity, "请申请读写SD卡权限", Toast.LENGTH_SHORT).show();
}
}
private void realUpdate() {
ConfirmDialog dialog = new ConfirmDialog(activity, new Callback() {
@Override
public void callback(int position) {
switch (position){
case 0: //cancle
if (isForce)activity.finish();
break;
case 1: //sure
if (downloadBy == DOWNLOAD_BY_APP) {
DownloadAppUtils.downloadForAutoInstall(activity, apkPath, "demo.apk", serverVersionName);
}else if (downloadBy == DOWNLOAD_BY_BROWSER){
DownloadAppUtils.downloadForWebView(activity,apkPath);
}
break;
}
}
});
dialog .setContent("发现新版本:"+serverVersionName+"\n是否下载更新?");
dialog.setCancelable(false);
dialog.show();
}
}
通过浏览器下载APK包
public class DownloadAppUtils {
private static final String TAG = DownloadAppUtils.class.getSimpleName();
public static long downloadUpdateApkId = -1;//下载更新Apk 下载任务对应的Id
public static String downloadUpdateApkFilePath;//下载更新Apk 文件路径
/**
* 通过浏览器下载APK包
*
* @param context
* @param url
*/
public static void downloadForWebView(Context context, String url) {
Uri uri = Uri.parse(url);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setDataAndType(Uri.fromFile(new File(Environment
.getExternalStorageDirectory(), "wdph.apk")),
"application/vnd.android.package-archive");
context.startActivity(intent);
}
/**
* 下载更新apk包
*
* @param context
* @param url
*/
public static void downloadForAutoInstall(Context context, String url, String fileName, String title) {
if (TextUtils.isEmpty(url)) {
return;
}
try {
Uri uri = Uri.parse(url);
DownloadManager downloadManager = (DownloadManager) context
.getSystemService(Context.DOWNLOAD_SERVICE);
DownloadManager.Request request = new DownloadManager.Request(uri);
//在通知栏中显示
request.setVisibleInDownloadsUi(true);
request.setTitle(title);
String filePath = null;
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {//外部存储卡
filePath = Environment.getExternalStorageDirectory().getAbsolutePath();
} else {
Log.i(TAG, "没有SD卡");
return;
}
downloadUpdateApkFilePath = filePath + File.separator + fileName;
// 若存在，则删除
deleteFile(downloadUpdateApkFilePath);
Uri fileUri = Uri.parse("file://" + downloadUpdateApkFilePath);
request.setDestinationUri(fileUri);
downloadUpdateApkId = downloadManager.enqueue(request);
} catch (Exception e) {
e.printStackTrace();
downloadForWebView(context, url);
} finally {
}
}
private static boolean deleteFile(String fileStr) {
File file = new File(fileStr);
return file.delete();
}
}
更新弹出框
public class ConfirmDialog extends Dialog {
Callback callback;
private TextView content;
private TextView sureBtn;
private TextView cancleBtn;
public ConfirmDialog(Context context, Callback callback) {
super(context, R.style.CustomDialog);
this.callback = callback;
setCustomDialog();
}
private void setCustomDialog() {
View mView = LayoutInflater.from(getContext()).inflate(R.layout.dialog_confirm, null);
sureBtn = (TextView)mView.findViewById(R.id.dialog_confirm_sure);
cancleBtn = (TextView)mView.findViewById(R.id.dialog_confirm_cancle);
content = (TextView) mView.findViewById(R.id.dialog_confirm_title);
sureBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
callback.callback(1);
ConfirmDialog.this.cancel();
}
});
cancleBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
callback.callback(0);
ConfirmDialog.this.cancel();
}
});
super.setContentView(mView);
}
public ConfirmDialog setContent(String s){
content.setText(s);
return this;
}
}
activity中：
public class MainActivity extends AppCompatActivity {
//服务器apk path,这里放了百度云盘的apk 作为测试
String apkPath = "http://issuecdn.baidupcs.com/issue/netdisk/apk/BaiduNetdisk_7.15.1.apk";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void updateApp(View view) {
UpdateAppUtils.from(this)
.serverVersionCode(2)
.serverVersionName("2.0")
.apkPath(apkPath)
.update();
}
public void downloadByWeb(View view) {
UpdateAppUtils.from(this)
.serverVersionCode(2)
.serverVersionName("2.0")
.apkPath(apkPath)
.downloadBy(UpdateAppUtils.DOWNLOAD_BY_BROWSER)
.update();
}
public void forceUpdate(View view) {
UpdateAppUtils.from(this)
.serverVersionCode(2)
.serverVersionName("2.0")
.apkPath(apkPath)
.isForce(true)
.update();
}
public void checkByName(View view) {
UpdateAppUtils.from(this)
.checkBy(UpdateAppUtils.CHECK_BY_VERSION_NAME)
.serverVersionName("2.0")
.serverVersionCode(2)
.apkPath(apkPath)
.downloadBy(UpdateAppUtils.DOWNLOAD_BY_BROWSER)
.isForce(true)
.update();
}
}