Android之APP更新(通过接口更新)

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前言

对于做Android的朋友来说，APP更新功能再常见不过了，因为平台更新审核时间较长，所以现在很多都会通过接口更新，这里就记录一下吧，欢迎各位讨论。

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一、效果图

二、实现步骤

1.AndroidManifest权限申请

    <!--外置存储卡写入权限--><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><!--请求安装APK的权限--><uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" /><!--读取删除SD卡权限--><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><!--修改删除SD卡权限--><uses-permissionandroid:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"tools:ignore="ProtectedPermissions" /><uses-permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />//application标签下加如下代码<!-- 安卓7.0安装时需要,拍照需要的临时权限 --><providerandroid:name="androidx.core.content.FileProvider"android:authorities="这里是applicationId也就是包名.fileprovider"android:exported="false"android:grantUriPermissions="true"><meta-dataandroid:name="android.support.FILE_PROVIDER_PATHS"android:resource="@xml/provider_paths" /></provider>//这里的provider_paths文件放在xml文件下，代码如下：
<?xml version="1.0" encoding="utf-8"?>
<paths><!--拍照需要的路径--><external-pathname="comxf.activity.provider.download"path="." /><external-files-path name="extfiles" path="autoupdatecache/" /><external-cache-path name="extcachs" path="autoupdatecache/" /><cache-path name="intcachs" path="autoupdatecache/" /><paths><external-path path="" name="download"/></paths></paths>

2.activity实现

1.通过接口获取Javabean对象

    public Integer id;public String version_name;//App版本名public Integer version_code;//版本编号public String content;//版本更新内容public String is_must_update;//是否需要强更新(0:否，1:是)public String file_url;//app包的下载地址@Overridepublic String toString() {return "VersionUpgradeBean{" +"id=" + id +", version_name='" + version_name + '\'' +", version_code=" + version_code +", content='" + content + '\'' +", is_must_update='" + is_must_update + '\'' +", file_url='" + file_url + '\'' +'}';}

2.获取到版本号后判断是否高于当前版本

  if (versionbean.version_code > MyApplication.getVersionCode(this@SetUpActivity)) {val myDialog = UpdateappUtilDialog()myDialog.initDialog(this@SetUpActivity, versionbean)myDialog.buttonClickEvent(object : UpdateappUtilDialog.DialogButtonClick {override fun cilckComfirmButton(view: View?) {myDialog.Dismiss()//6.0才用动态权限if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {if (ContextCompat.checkSelfPermission(this@SetUpActivity,Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {// 申请读写内存卡内容的权限ActivityCompat.requestPermissions(this@SetUpActivity, arrayOf(Manifest.permission.`WRITE_EXTERNAL_STORAGE`), 123)} else {//授权成功if (FileUtils.createOrExistsDir(NetConst.baseFileName)) {val mUpdateManger = DownloadAppUtils(this@SetUpActivity, versionbean.file_url, versionbean)mUpdateManger.checkUpdateInfo()}}} else {//授权成功if (FileUtils.createOrExistsDir(NetConst.baseFileName)) {val mUpdateManger = DownloadAppUtils(this@SetUpActivity, versionbean.file_url, versionbean)mUpdateManger.checkUpdateInfo()}}}override fun cilckCancleButton(view: View?) {//点击取消按钮myDialog.Dismiss()}})}

3.用户权限结果处理

  /*** todo 对用户权限授予结果处理** @param requestCode  权限要求码，即我们申请权限时传入的常量 如： TAKE_PHOTO_PERMISSION_REQUEST_CODE* @param permissions  保存权限名称的 String 数组，可以同时申请一个以上的权限* @param grantResults 每一个申请的权限的用户处理结果数组(是否授权)*/override fun onRequestPermissionsResult(requestCode: Int,permissions: Array<String?>,grantResults: IntArray) {super.onRequestPermissionsResult(requestCode, permissions, grantResults)when (requestCode) {123 -> {//授权成功if (FileUtils.createOrExistsDir(NetConst.baseFileName)) {val mUpdateManger = DownloadAppUtils(this@SetUpActivity, versionbean.file_url, versionbean)mUpdateManger.checkUpdateInfo()}}}}

3.有版本更新弹框UpdateappUtilDialog

1.util代码

/*** Created by ：caoliulang* ❤* Creation time :2025/2/24* ❤* Function ：更新app的Dialog*/
public class UpdateappUtilDialog {private TextView secondBtn, textvs;private ImageView tv_cancel;private AlertDialog alertDialog;private DialogButtonClick mClick;private TextView tv_desc;public interface DialogButtonClick {void cilckComfirmButton(View view);void cilckCancleButton(View view);}public void buttonClickEvent(DialogButtonClick bc) {if (bc != null) {mClick = bc;cilckEvent();}}public void initDialog(Context context, VersionUpgradeBean upbean) {alertDialog = new AlertDialog.Builder(context).create();alertDialog.show();alertDialog.setCancelable(false);//调用这个方法时，按对话框以外的地方不起作用。返回键 不作用
//        alertDialog.setCanceledOnTouchOutside(false);//调用这个方法时，按对话框以外的地方不起作用。返回键 有作用Window window = alertDialog.getWindow();window.setContentView(R.layout.fragment_update_app);window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));tv_desc = window.findViewById(R.id.tv_desc);tv_desc.setText(upbean.content);secondBtn = window.findViewById(R.id.tv_ok);textvs = window.findViewById(R.id.textvs);textvs.setText(upbean.version_name);tv_cancel = window.findViewById(R.id.tv_cancel);//1不强制更新  2 强制更新
//        if(upbean.getUpdateType().equals("2")){
//            firstBtn.setVisibility(View.GONE);
//        }//        //不关闭弹窗也能点击外部事件
//        alertDialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);String isqg = upbean.is_must_update + "";if (isqg.equals("true")) {tv_cancel.setVisibility(View.GONE);} else {tv_cancel.setVisibility(View.VISIBLE);}}public void cilckEvent() {
//        if (firstBtn != null) {
//            firstBtn.setOnClickListener(new View.OnClickListener() {
//                @Override
//                public void onClick(View v) {
//                    alertDialog.dismiss();
//                    mClick.cilckCancleButton(v);
//                }
//            });secondBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {
//                    alertDialog.dismiss();mClick.cilckComfirmButton(v);}});tv_cancel.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {mClick.cilckCancleButton(view);}});
//        }}public void Dismiss() {if (null != alertDialog) {alertDialog.dismiss();}}}

2.xml布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:background="#01000000"android:gravity="center"android:orientation="vertical"><RelativeLayoutandroid:layout_width="301dp"android:layout_height="400dp"android:orientation="vertical"><ImageViewandroid:id="@+id/iv_top"android:layout_width="match_parent"android:layout_height="match_parent"android:src="@mipmap/lib_update_app_top_bg" /><TextViewandroid:id="@+id/textname"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="16dp"android:layout_marginTop="55dp"android:text="@string/Newversionfound"android:textColor="#2e2e2e"android:textSize="18dp"android:textStyle="bold" /><TextViewandroid:id="@+id/textvs"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@+id/textname"android:layout_marginLeft="16dp"android:layout_marginTop="5dp"android:text="1.0.0"android:textColor="#2e2e2e"android:textSize="16dp"android:textStyle="bold" /><LinearLayoutandroid:layout_width="match_parent"android:layout_height="210dp"android:layout_marginTop="180dp"android:orientation="vertical"><!--这个地方需要设置可以滚动--><ScrollViewandroid:layout_width="match_parent"android:layout_height="0dp"android:layout_weight="1"android:paddingTop="18dp"android:paddingBottom="5dp"android:scrollbars="none"><TextViewandroid:id="@+id/tv_desc"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:lineSpacingExtra="5dp"android:text="1.已知bug修复；\n2.新功能增加；\n3.性能优化；"android:textColor="@android:color/black"android:textSize="14dp" /></ScrollView><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginLeft="20dp"android:layout_marginRight="20dp"android:layout_marginBottom="20dp"android:orientation="horizontal"><TextViewandroid:id="@+id/tv_ok"android:layout_width="match_parent"android:layout_height="44dp"android:background="@drawable/jianbianlanse"android:gravity="center"android:text="@string/UPDATENOW"android:textColor="#ffffff"android:textSize="18dp" /></LinearLayout></LinearLayout></RelativeLayout><ImageViewandroid:id="@+id/tv_cancel"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginTop="15dp"android:src="@mipmap/ico_sjgb" /></LinearLayout>

4.下载弹框DownloadAppUtils

1.util代码如下

*** Created by ：caoliulang* ❤* Creation time :2024/2/24* ❤* Function ：APP更新下载*/
public class DownloadAppUtils {// 应用程序Contextpublic static Activity mContext;private static final String savePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + "tdzr/Download/";// 保存apk的文件夹///storage/emulated/0/tdzr/Download/aidigital1.0.4.apkprivate static final String saveFileName = savePath + "aidigital" + MyApplication.versionname + ".apk";// 进度条与通知UI刷新的handler和msg常量private ProgressBar mProgress;private TextView text_progress, textvs;private static final int DOWN_UPDATE = 1;private static final int DOWN_OVER = 2;private static final int INT_NOT = 9;private String downlogdurl;//下载地址private int progress = 0;// 当前进度private Thread downLoadThread; // 下载线程private boolean interceptFlag = false;// 用户取消下载private AlertDialog dialog;private VersionUpgradeBean upbean;// 通知处理刷新界面的handler@SuppressLint("HandlerLeak")private Handler mHandler = new Handler() {@SuppressLint("HandlerLeak")@Overridepublic void handleMessage(Message msg) {switch (msg.what) {case DOWN_UPDATE:mProgress.setProgress(progress); //设置第一进度text_progress.setText(progress + "%");break;case DOWN_OVER:
//                    //1不强制更新  2 强制更新
//                    if(upbean.getUpdateType().equals("1")){
//                        dialog.dismiss();
//                    }dialog.dismiss();installApk();break;case INT_NOT:dialog.dismiss();FileUtils.deleteFile(saveFileName);//删除文件ToastUtils.showToast(mContext.getResources().getString(R.string.Networkconnectionfailed));break;}super.handleMessage(msg);}};public DownloadAppUtils(Activity context, String downlogdurl, VersionUpgradeBean upbean) {this.mContext = context;this.downlogdurl = downlogdurl;this.upbean = upbean;System.out.println("过来了--1");}// 显示更新程序对话框，供主程序调用public void checkUpdateInfo() {//判断本地是否存在已下载的apk（有bug）
//        if (FileUtils.isFileExists(saveFileName) == true) {
//            //安装
//            installApk();
//        } else {
//            //下载
//            showDownloadDialog();
//        }//判断本地是否存在已下载的apkif (FileUtils.isFileExists(saveFileName) == true) {//删除DeletFile.delete(savePath);}//下载showDownloadDialog();}//弹出更新进度条private void showDownloadDialog() {dialog = new AlertDialog.Builder(mContext).create();dialog.show();dialog.setCancelable(false);View viewt = View.inflate(mContext, R.layout.xiazai_two_dialog, null);Window window = dialog.getWindow();window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));dialog.setContentView(viewt);mProgress = viewt.findViewById(R.id.upprogressBar);text_progress = viewt.findViewById(R.id.text_progress);text_progress.setText("0%");textvs = viewt.findViewById(R.id.textvs);textvs.setText(upbean.version_name);ImageView tv_cancel = viewt.findViewById(R.id.tv_cancel);String isqg = upbean.is_must_update + "";if (isqg.equals("true")) {tv_cancel.setVisibility(View.GONE);} else {tv_cancel.setVisibility(View.VISIBLE);}tv_cancel.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {FileUtils.deleteFile(saveFileName);//删除文件dialog.dismiss();interceptFlag = true;}});downloadApk();}//安装apkprivate static void installApk() {File apkfile = new File(saveFileName);if (!apkfile.exists()) {return;}Intent intent = new Intent(Intent.ACTION_VIEW);//版本在7.0以上是不能直接通过uri访问的if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {// 由于没有在Activity环境下启动Activity,设置下面的标签intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//参数1 上下文, 参数2 Provider主机地址 和配置文件中保持一致   参数3  共享的文件Uri apkUri = FileProvider.getUriForFile(mContext, "这里是applicationId也就是包名.fileprovider", apkfile);//添加这一句表示对目标应用临时授权该Uri所代表的文件intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);intent.setDataAndType(apkUri, "application/vnd.android.package-archive");} else {intent.setDataAndType(Uri.fromFile(new File(saveFileName)),"application/vnd.android.package-archive");}mContext.startActivity(intent);}//下载apkprivate void downloadApk() {System.out.println("url打印：" + downlogdurl);downLoadThread = new Thread(mdownApkRunnable);downLoadThread.start();}private Runnable mdownApkRunnable = new Runnable() {@Overridepublic void run() {System.out.println("打印路径：" + saveFileName);URL url;try {url = new URL(downlogdurl);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setConnectTimeout(15000);  //设置连接超时为15sconn.setReadTimeout(15000);     //读取数据超时也是15sint code = conn.getResponseCode();System.out.println("code打印：" + code);if (code == 200) {conn.connect();int length = conn.getContentLength();InputStream ins = conn.getInputStream();if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {Toast.makeText(mContext, "SD卡不可用~", Toast.LENGTH_SHORT).show();return;}File file = new File(savePath);if (!file.exists()) {file.mkdir();}String apkFile = saveFileName;File ApkFile = new File(apkFile);if (!ApkFile.exists()) {ApkFile.createNewFile();}FileOutputStream outStream = new FileOutputStream(ApkFile);int count = 0;byte buf[] = new byte[1024];do {int numread = ins.read(buf);count += numread;int s = (int) (((float) count / length) * 100);if (progress != s) {progress = (int) (((float) count / length) * 100);// 下载进度mHandler.sendEmptyMessage(DOWN_UPDATE);}if (numread <= 0) {// 下载完成通知安装mHandler.sendEmptyMessage(DOWN_OVER);break;}outStream.write(buf, 0, numread);} while (!interceptFlag);// 点击取消停止下载outStream.close();ins.close();} else {mHandler.sendEmptyMessage(INT_NOT);}} catch (Exception e) {//这里报错因为路径不对，正确路径storage/emulated/0/tdzr/Download/aidigital1.0.4.apkSystem.out.println("code打印：---" + e.toString());mHandler.sendEmptyMessage(INT_NOT);}}};

2.下载弹框xml布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:background="#01000000"android:gravity="center"android:orientation="vertical"><RelativeLayoutandroid:layout_width="301dp"android:layout_height="400dp"android:orientation="vertical"><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"><ImageViewandroid:id="@+id/topimg"android:layout_width="match_parent"android:layout_height="match_parent"android:src="@mipmap/lib_update_app_top_bg" /><TextViewandroid:id="@+id/textname"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="16dp"android:layout_marginTop="55dp"android:text="@string/Newversionfound"android:textColor="#2E2E2E"android:textSize="18dp"android:textStyle="bold" /><TextViewandroid:id="@+id/textvs"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_below="@+id/textname"android:layout_marginLeft="16dp"android:layout_marginTop="5dp"android:text="1.0.0"android:textColor="#2E2E2E"android:textSize="16dp"android:textStyle="bold" /></RelativeLayout><LinearLayoutandroid:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="250dp"android:gravity="center_horizontal"android:orientation="vertical"><TextViewandroid:id="@+id/text_progress"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_gravity="center"android:text="0%"android:textColor="#2e2e2e"android:textSize="16dp"android:textStyle="bold" /><ProgressBarandroid:id="@+id/upprogressBar"style="@style/Base.Widget.AppCompat.ProgressBar.Horizontal"android:layout_width="match_parent"android:layout_height="18dp"android:layout_marginStart="15dp"android:layout_marginTop="15dp"android:layout_marginEnd="15dp"android:layout_marginBottom="15dp"android:max="100"android:progress="0"android:progressDrawable="@drawable/progressbar_h" /></LinearLayout></RelativeLayout><ImageViewandroid:id="@+id/tv_cancel"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginTop="15dp"android:src="@mipmap/ico_sjgb" />
</LinearLayout>

3.progressbar_h(在drawable下新建文件)

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"><itemandroid:id="@android:id/background"android:gravity="center_vertical|fill_horizontal"><shape android:shape="rectangle"><size android:height="20dp" /><solid android:color="#E4E4E4" /><corners android:radius="10dp" /></shape></item><!--第二进度条--><itemandroid:id="@android:id/secondaryProgress"android:gravity="center_vertical|fill_horizontal"><scale android:scaleWidth="100%"><shape android:shape="rectangle"><size android:height="20dp" /><solid android:color="#E4E4E4" /><corners android:radius="10dp" /></shape></scale></item><!--第一进度条--><itemandroid:id="@android:id/progress"android:gravity="center_vertical|fill_horizontal"><scale android:scaleWidth="100%"><shape android:shape="rectangle"><size android:height="20dp" /><solid android:color="#217FFD" /><corners android:radius="10dp" /></shape></scale></item></layer-list>

5.弹框背景图

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总结

其实这功能挺简单的，就是里面细节太多，首先AndroidManifest加权限，还要加provider，provider里面记得更改包名，下载util里面的报名也是一样。其次判断版本是否更新，最后更新下载安装即可，得吃。