1.申请权限
PermissionsUtil.checkAndRequestPermissions(this);
2.FileProvider存储配置
android:name="androidx.core.content.FileProvider" android:authorities="${applicationId}.fileprovider" android:exported="false" android:grantUriPermissions="true"> android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/file_paths" /> xml/file_paths 3.数据请求 private void updateApp() { String deviceId = getDeviceId(); String timestamp = String.valueOf(System.currentTimeMillis() / 1000); String token = SharedPreUtil.getInstance(mContext).getString(Constant.USER_TOKEN); String version = getVersionName(mContext); LogUtil.i("检测版本参数 token="+token); http.post().url(Constant.BASE_URL + Constant.UPDATE_APP) .addHeader("token", token) .addHeader("app_id", Constant.APP_ID) .addHeader("interface_version", version) .addHeader("device_id", deviceId) .addHeader("os", "android") .addHeader("timestamp", timestamp) .addHeader("Content-Type", "application/json") .tag(this).enqueue(new JsonResponseHandler() { @Override public void onSuccess(int statusCode, JSONObject response) { LogUtil.d("检测版本=" + response); int code = response.optInt("code"); String message = response.optString("message"); String data = response.optString("data"); try { JSONObject _data = new JSONObject(data); if (code == 1023) {//下载新版本 updateDescription = _data.optString("appDescriptoin"); String forceUpdate = _data.optString("forceUpdate"); if (forceUpdate.equals("true")) { isForceUpdate = 1; } else { isForceUpdate = 2; } String downloadUrl = _data.optString("downloadUrl"); if (downloadUrl.contains("\\")) { downloadUrl = downloadUrl.replace("\\", ""); } if (SharedPreUtil.getInstance(mContext).getInt(Constant.IS_DOWNLOAD_APP) != 1) { downloadApp(downloadUrl); } } else if (code == 1024) {//版本异常 } else if (code == 200) {//最新版本 ToastUtil.show(mContext, message); } } catch (Exception e) { e.printStackTrace(); } } @Override public void onFailure(int statusCode, String error_msg) { LogUtil.d("检测版本 onFailure=" + error_msg); } }); } private void downloadApp(String url) { // downloadPath = Environment.getExternalStorageDirectory() + "/Download/GollumPay/GollumPay_" + System.currentTimeMillis() + ".apk"; downloadPath = Environment.getExternalStorageDirectory() + "/Download/ChatRoom/ChatRoom_" + System.currentTimeMillis() + ".apk"; LogUtil.i("检测版本=" + url + " downloadPath=" + downloadPath); http.download() .url(url) .filePath(downloadPath) .tag(this) .enqueue(new DownloadResponseHandler() { @Override public void onStart(long totalBytes) { LogUtil.i("更新app 开始下载"); } @Override public void onFinish(File downloadFile) { File file = new File(downloadPath); SharedPreUtil.getInstance(mContext).saveParam(Constant.SAVE_DOWNLOAD_APP_PATH, downloadPath); SharedPreUtil.getInstance(mContext).saveParam(Constant.IS_DOWNLOAD_APP, 1); // String downloadMd5 = getFileMD5(file); LogUtil.i("更新app 下载完成=" + isForceUpdate /*+ " downloadMd5=" + downloadMd5 + " md5=" + md5*/); if (isForceUpdate == 1 /*&& downloadMd5.equals(md5)*/) { updateDialog(updateDescription, file); } } @Override public void onProgress(long currentBytes, long totalBytes) { int a = (int) ((100 * currentBytes) / totalBytes); LogUtil.i("更新app 下载进度=" + a + "%" + totalBytes); } @Override public void onFailure(String error_msg) { LogUtil.i("更新app 下载失败");//1.外部存储的读取权限未获取 } }); } private void updateDialog(String updateContext, final File file) { LogUtil.i("更新app 弹窗"); final UpdateAppDialog myDialog = new UpdateAppDialog(mContext); myDialog.setContent(updateContext); myDialog.show(); myDialog.setAttributes();//需先显示，然后才能查找控件 myDialog.setOnUpdateListener(new View.OnClickListener() { @Override public void onClick(View view) { installApk(file); } }); } private void installApk(File file) { if (!file.exists()) { return; } Intent intent = new Intent(Intent.ACTION_VIEW); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { Uri apkUri = FileProvider.getUriForFile(mContext, "${applicationId}.fileprovider", file); intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); intent.setDataAndType(apkUri, "application/vnd.android.package-archive"); } else { intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); } mContext.startActivity(intent); } private String getVersionName(Context context) { PackageManager packageManager = context.getPackageManager(); PackageInfo packageInfo; String versionName = ""; try { packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0); versionName = packageInfo.versionName; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } return versionName; }