Android版本更新代码实现

本文讲的是Android版本更新的实现代码

相关帮助文章：https://blog.csdn.net/JiYaRuo/article/details/106922141

       //1.从后台获取版本信息实体    Version version = model.getModel();    //2.后台最新的版本号    int versionCode = Integer.valueOf(version.getVersionCode());     //3.当前版本< 后台最新版本 --> 更新    if (AppUtils.getVersionCode(getApplication()) < versionCode ) {         showUpdate(version);    } else {      //直接进入主页面    }   /**     * 显示更新的dialog     */    private void showUpdate(final Version version) {        Dialog dialogUpdate = null;        AlertDialog.Builder builder = new AlertDialog.Builder(this)                .setTitle("更新")                .setMessage("发现新版本" + version.getVersionName() + (version.getOnlyAllowLatestAppVersion() == 1 ? " 请升级" : ",是否更新"))//.setMessage("发现新版本" + version.getVersionName() + " 请升级"+"\n"+"更新内容："+"\n"+version.getInfo())                .setPositiveButton("确定", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface arg0, int arg1) {                        update(version);                    }                });        dialogUpdate = builder.create();        dialogUpdate.setCancelable(false);        dialogUpdate.show();    }   /**     * 下载安装包然后安装     * OkHttpUtils.getInstance().download ： 安装的方法     */    private void update(Version version) {        Tools.showWaitDialog(this, "下载中");        OkHttpUtils.getInstance().download(version.getDownLoadUrl(), new DownloadListener(FileUtils.getFilePath() + "/indentity", version.getVersionName() + ".apk") {            @Override            public void onUISuccess(File file) {                if (file != null) {                    Tools.dismissWaitDialog();                    //下载完成，开始安装                    Uri uri = null;                    Intent intent = new Intent(Intent.ACTION_VIEW);                    try {                        if (Build.VERSION.SDK_INT >= 24) {//7.0 Android N                            //com.xxx.xxx.fileprovider为上述manifest中provider所配置相同                            uri = FileProvider.getUriForFile(mContext, "自己的包名.fileprovider", file);                            intent.setAction(Intent.ACTION_INSTALL_PACKAGE);                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//7.0以后，系统要求授予临时uri读取权限，安装完毕以后，系统会自动收回权限，该过程没有用户交互                            intent.setDataAndType(uri, "application/vnd.android.package-archive");                            startActivity(intent);                        } else {                              //7.0以下                              AppUtils.installApk(getApplicationContext(), file);//storage/emulated/0/identity/file/indentity/2.0.7.apk                        }                    } catch (IllegalArgumentException e) {                        e.printStackTrace();                    }catch (ActivityNotFoundException e){                        e.printStackTrace();                    }catch (Exception e){                        e.printStackTrace();                    }                } else {                    ToastUtil.shortShowCustom(WelcomeActivity.this,"apk下载失败");                }            }            @Override            public void onUIFailure(Exception e) {                ToastUtil.shortShowCustom(WelcomeActivity.this,"下载失败");                Tools.dismissWaitDialog();            }            @Override            public void onUIProgress(Progress progress) {                int ps = (int) (((float) progress.getCurrentBytes() / progress.getTotalBytes()) * 100);                Tools.showWaitDialog(WelcomeActivity.this, "下载中" + (ps + "%"));            }        });    }

2.版本更新Bean类

package com.cmcc.app.entity;import java.io.Serializable;/** * Created by JiYaRuo. */public class Version  implements Serializable {    //版本名字    private String versionName;    //版本号    private int versionCode;    //是否强制更新    private int onlyAllowLatestAppVersion;    //apk下载地址    private String downLoadUrl;    //md5    private String md5;    // 更新内容    private String info;    //apk大小    private long apkSize;    public String getVersionName() {        return versionName;    }    public void setVersionName(String versionName) {        this.versionName = versionName;    }    public int getVersionCode() {        return versionCode;    }    public void setVersionCode(int versionCode) {        this.versionCode = versionCode;    }    public int getOnlyAllowLatestAppVersion() {        return onlyAllowLatestAppVersion;    }    public void setOnlyAllowLatestAppVersion(int onlyAllowLatestAppVersion) {        this.onlyAllowLatestAppVersion = onlyAllowLatestAppVersion;    }    public String getDownLoadUrl() {        return downLoadUrl;    }    public void setDownLoadUrl(String downLoadUrl) {        this.downLoadUrl = downLoadUrl;    }    public void setInfo(String info) {        this.info = info;    }    public String getInfo() {        return info;    }}

3.在清单文件中appliction下加入provider( 不加的话安卓7.0以上的手机安装完成后会闪退)

4.在res---xml---下新建文件，file_paths.xml

<?xml version="1.0" encoding="utf-8"?>

这样就可以完成更新啦！

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