android app 开发总结_android app开发总结-优快云博客

本文链接：https://blog.youkuaiyun.com/cuckoochun/article/details/113943329

本文介绍了使用OkHttpUtils进行网络请求的便捷操作，包括正常GET请求和文件下载，同时展示了如何利用com.zhy:autolayout库实现屏幕自适应。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1.方便的网络请求
api 'com.zhy:okhttputils:2.6.2'

正常请求：

OkHttpUtils
                .get()
                .url(BuildConfig.BASE_URL + "appVersion/getLast/android")
                .addHeader("Authorization", AccountManager.getToken())
                .build()
                .execute(new StringCallback() {
                    @Override
                    public void onError(Call call, Exception e, int id) {
                        KLog.d("chenshichun" + e.getMessage());
                    }

                    @Override
                    public void onResponse(String response, int id) {
                        Log.d("chenshichun", "onResponse: " + response);
                        UpdateBean updateBean = JsonUtils.jsonToBean(response, UpdateBean.class);
                        if (updateBean.getData() != null && updateBean.getData().getVersionCode() > APKVersionCodeUtils.getVersionCode(MainActivity.this)) {
                            UpdateDialog updateDialog = new UpdateDialog(MainActivity.this, updateBean);
                            updateDialog.setOnClickListener(new UpdateDialog.OnClickListener() {
                                @Override
                                public void update() {
                                    downloadApp(updateBean);
                                    ToastUtil.show("开始下载");
                                }
                            });
                            updateDialog.show();
                        }
                    }
                });

下载文件请求：

OkHttpUtils.
                get()
                .url(updateBean.getData().getDownloadUrl())
                .build()
                .execute(new FileCallBack(Environment.getExternalStorageDirectory().getAbsolutePath(), "dlb.apk") {

                    @Override
                    public void inProgress(float progress, long total, int id) {
                        super.inProgress(progress, total, id);
                    }

                    @Override
                    public void onError(Call call, Exception e, int id) {
                        ToastUtil.show("下载失败");
                    }

                    @Override
                    public void onResponse(File response, int id) {
                        Intent intent = new Intent(Intent.ACTION_VIEW);

                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                            intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                            Uri contentUri = FileProvider.getUriForFile(MainActivity.this, BuildConfig.APPLICATION_ID + ".fileProvider", response);
                            intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
                        } else {
                            intent.setDataAndType(Uri.fromFile(response), "application/vnd.android.package-archive");
                            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                        }
                        startActivity(intent);
                    }
                });

2.屏幕适配

api 'com.zhy:autolayout:1.4.5'