Examples with ObservableSource io.reactivex.rxjava3.core.ObservableSource used on opensource projects

Example 21 with ObservableSource

use of io.reactivex.rxjava3.core.ObservableSource in project xxf_android by NBXXF.

the class SystemUtils method saveImageToAlbum.

/**
 * 保存图片到相册
 * 自动请求权限 没有权限报异常 {@link PermissionDeniedException}
 *
 * @param context
 * @param picName 是name 不说full path
 * @param bmp
 * @return
 */
public static Observable<File> saveImageToAlbum(FragmentActivity context, String picName, Bitmap bmp) {
    return XXF.requestPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE).compose(new RxPermissionTransformer(context, Manifest.permission.WRITE_EXTERNAL_STORAGE)).flatMap(new Function<Boolean, ObservableSource<File>>() {

        @Override
        public ObservableSource<File> apply(Boolean aBoolean) throws Exception {
            return Observable.fromCallable(new Callable<File>() {

                @Override
                public File call() throws Exception {
                    // 其次把文件插入到系统图库
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                        ContentValues values = new ContentValues();
                        values.put(MediaStore.MediaColumns.DISPLAY_NAME, picName);
                        values.put(MediaStore.MediaColumns.MIME_TYPE, com.xxf.utils.FileUtils.getMimeType(picName));
                        values.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DCIM);
                        ContentResolver contentResolver = context.getContentResolver();
                        Uri uri = contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
                        if (uri == null) {
                            throw new RuntimeException("图片保存失败");
                        }
                        OutputStream fos = contentResolver.openOutputStream(uri);
                        bmp.compress(Bitmap.CompressFormat.PNG, 100, fos);
                        fos.flush();
                        fos.close();
                        return new File(UriUtils.getPath(applicationContext, uri));
                    } else {
                        File appDir = applicationContext.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
                        if (!appDir.exists()) {
                            appDir.mkdir();
                        }
                        // 文件的名称设置为 系统时间.jpg
                        File file = new File(appDir, picName);
                        try {
                            FileOutputStream fos = new FileOutputStream(file);
                            bmp.compress(Bitmap.CompressFormat.PNG, 100, fos);
                            fos.flush();
                            fos.close();
                        } catch (FileNotFoundException e) {
                            e.printStackTrace();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                        MediaScannerConnection.scanFile(context, new String[] { file.getAbsolutePath() }, new String[] { com.xxf.utils.FileUtils.getMimeType(file.getAbsolutePath()) }, new MediaScannerConnection.OnScanCompletedListener() {

                            @Override
                            public void onScanCompleted(String path, Uri uri) {
                            }
                        });
                        // 锤子8.1 必须下面这种扫描方式
                        MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), picName, null);
                        context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
                        return file;
                    }
                }
            }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
        }
    });
}

Example 22 with ObservableSource

use of io.reactivex.rxjava3.core.ObservableSource in project xxf_android by NBXXF.

the class StateActivity method onCreate.

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    List<Observable<Boolean>> datas = new ArrayList<>();
    datas.add(Observable.fromCallable(new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            throw new RuntimeException("xxx");
        }
    }));
    datas.add(Observable.fromCallable(new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            return true;
        }
    }));
    Observable.concatDelayError(datas).observeOn(AndroidSchedulers.mainThread(), true).doOnError(new Consumer<Throwable>() {

        @Override
        public void accept(Throwable throwable) throws Throwable {
            Log.d("=======>data error:", "" + throwable);
        }
    }).subscribe(new Consumer<Boolean>() {

        @Override
        public void accept(Boolean aBoolean) throws Throwable {
            Log.d("=======>data:", "" + aBoolean);
        }
    });
    stateBinding = ActivityStateBinding.inflate(getLayoutInflater(), null, false);
    // stateBinding.grayLayout.setGrayColor(true);
    setContentView(stateBinding.getRoot());
    // TestViewModel viewModel = XXF.getViewModel(this, TestViewModel.class);
    stateBinding.recyclerView.setAdapter(testAdaper = new TestAdaper());
    // new ItemTouchHelper(new SimpleItemTouchHelperCallback(testAdaper)).attachToRecyclerView(stateBinding.recyclerView);
    // stateBinding.recyclerView.addItemDecoration(new GridItemDecoration(DensityUtil.dip2px(5)));
    stateBinding.recyclerView.setLayoutManager(new LinearLayoutManager(this));
    // stateBinding.recyclerView.addItemDecoration(ItemDecorationFactory.createHorizontalItemDecoration(new HorizontalDividerItemDecoration.Builder(this).size(DensityUtil.dip2px(20)).color(Color.RED)));
    DividerDecoration dividerItemDecoration = new DividerDecoration(this, Color.YELLOW, DensityUtil.dip2px(20));
    stateBinding.recyclerView.addItemDecoration(dividerItemDecoration);
    stateBinding.btnTest.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // ShareUtil.shareQQ(StateActivity.this, "xxxx");
            SystemUtils.shareText(StateActivity.this, "xxxx", null).compose(XXF.bindToErrorNotice()).subscribe();
        }
    });
    stateBinding.btnLoad.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            new ScrollShotting(stateBinding.recyclerView, 200, Color.WHITE) {

                @Override
                public void onShot(@NotNull Bitmap bitmap) {
                    File my_images = new File(getApplication().getExternalFilesDir(Environment.DIRECTORY_PICTURES), "image");
                    my_images.mkdirs();
                    File file = new File(new File(getApplication().getExternalFilesDir(Environment.DIRECTORY_PICTURES), "image"), "default_image2.jpg");
                    boolean b = BitmapUtils.INSTANCE.bitmapToFile(bitmap, file);
                    ToastUtils.showToast("设置:" + b);
                    SystemUtils.shareFile(StateActivity.this, file.getAbsolutePath(), FileProvider7.INSTANCE.getAuthority(getApplication()), SystemUtils.SHARE_WEIBO_CIRCLE_COMPONENT).compose(XXF.bindToErrorNotice()).subscribe();
                }
            }.start();
        }
    });
    testAdaper.bindData(true, new ArrayList<>());
    loadData();
    stateBinding.btnDownload.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            /*  XXF.getFileService()
                        .getPrivateFileDir()
                        .flatMap(new Function<File, ObservableSource<File>>() {
                            @Override
                            public ObservableSource<File> apply(File file) throws Throwable {
                                return XXF.getFileService()
                                        .download("http://vfx.mtime.cn/Video/2019/02/04/mp4/190204084208765161.mp4", new File(file, "test.mp4").getAbsolutePath());
                            }
                        })
                        .compose(XXF.bindToProgressHud())
                        .subscribe();*/
            XXF.getFileService().getFilesDir(false, false).flatMap(new Function<File, Observable<DownloadTask>>() {

                @Override
                public Observable<DownloadTask> apply(File file) throws Throwable {
                    return XXF.getFileService().downloadTask("http://vfx.mtime.cn/Video/2019/02/04/mp4/190204084208765161.mp4", new File(file, "test.mp4").getAbsolutePath());
                }
            }).compose(new ProgressHUDTransformerImpl<DownloadTask>(StateActivity.this) {

                @Override
                public void onNext(DownloadTask downloadTask) {
                    super.onNext(downloadTask);
                    getSafeProgressHUD().updateStateText((downloadTask.getCurrent() * 1.0f / downloadTask.getDuration()) * 100 + "%");
                }
            }.setDismissOnNext(false)).to(XXF.bindLifecycle(StateActivity.this)).subscribe(new Consumer<DownloadTask>() {

                @Override
                public void accept(DownloadTask downloadTask) throws Throwable {
                    Log.d("", "=========>task2:" + downloadTask);
                }
            });
        }
    });
}

Example 23 with ObservableSource

use of io.reactivex.rxjava3.core.ObservableSource in project xxf_android by NBXXF.

the class MainActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    RxJavaPlugins.setErrorHandler(new Consumer<Throwable>() {

        @Override
        public void accept(Throwable throwable) throws Throwable {
        }
    });
    Observable.defer(new Supplier<ObservableSource<Integer>>() {

        @Override
        public ObservableSource<Integer> get() throws Throwable {
            Log.d("========>测试 开始执行重试:", "" + pageIndex);
            return Observable.just(pageIndex).map(new Function<Integer, Integer>() {

                @Override
                public Integer apply(Integer integer) throws Throwable {
                    if (integer < 3) {
                        Log.d("========>测试 异常:", "" + integer);
                        throw new RuntimeException("");
                    }
                    return integer;
                }
            });
        }
    }).retry(3, new Predicate<Throwable>() {

        @Override
        public boolean test(Throwable throwable) throws Throwable {
            if (throwable instanceof RuntimeException) {
                Log.d("========>测试  重试:", "" + System.currentTimeMillis());
                pageIndex += 1;
                return true;
            }
            return false;
        }
    }).subscribe(new Consumer<Integer>() {

        @Override
        public void accept(Integer integer) throws Throwable {
            Log.d("========>测试 结果:", "" + integer);
        }
    });
    binding = ActivityMainBinding.inflate(getLayoutInflater());
    binding.change.setText("normal");
    binding.change.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            startActivity(new Intent(v.getContext(), NormalRecyclerViewActivity.class).putExtra("xx", "77463"));
        }
    });
    setContentView(binding.getRoot());
    System.out.println("==========>onChildViewAttachedToWindow  init");
    // adapter.setHasStableIds(true);
    binding.recyclerView.setAdapter(adapter);
    // 删除-> 改变焦点（上一个)  后删除当前
    // binding.recyclerView.find
    // 创建第五条
    binding.recyclerView.setEdgeEffectFactory(new EdgeSpringEffectFactory(0.5f, 0.5f));
    binding.recyclerView.addOnChildAttachStateChangeListener(new RecyclerView.OnChildAttachStateChangeListener() {

        @Override
        public void onChildViewAttachedToWindow(@NonNull View view) {
            RecyclerView.ViewHolder containingViewHolder = binding.recyclerView.findContainingViewHolder(view);
            if (containingViewHolder.getAdapterPosition() == 5) {
                // requestfoucs
                binding.recyclerView.removeOnChildAttachStateChangeListener(this);
            }
            System.out.println("==========>onChildViewAttachedToWindow:AdapterPosition:" + containingViewHolder.getAdapterPosition() + "  LayoutPosition:" + containingViewHolder.getLayoutPosition() + "  hash:" + containingViewHolder.itemView);
        }

        @Override
        public void onChildViewDetachedFromWindow(@NonNull View view) {
        }
    });
    sectionMap.clear();
    sectionMap.put(0, "第一个分组");
    sectionMap.put(3, "第2个分组");
    Paint paint = new Paint();
    paint.setTextSize(DensityUtil.sp2px(13));
    paint.setColor(Color.RED);
    paint.setAntiAlias(true);
    Paint background = new Paint();
    background.setColor(Color.WHITE);
    binding.recyclerView.addItemDecoration(new SectionItemDecoration(new SectionProvider() {

        @NotNull
        @Override
        public TreeMap<Integer, String> onProvideSection() {
            return sectionMap;
        }
    }, paint, background, DensityUtil.sp2px(30), DensityUtil.sp2px(16)));
    List<String> list = new ArrayList<>();
    int count = new Random().nextInt(50);
    for (int i = 0; i < count; i++) {
        // list.add("i" + new Random().nextInt(100));
        list.add("i" + i);
    }
    adapter.bindData(true, list);
    binding.refresh.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            List<String> list = new ArrayList<>();
            int count = new Random().nextInt(50);
            for (int i = 0; i < count; i++) {
                // list.add("i" + new Random().nextInt(100));
                list.add("i" + i);
            }
            adapter.bindData(true, list);
            Log.d("=======>list:", "" + list);
        }
    });
    binding.insert.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            adapter.addItem(0, "hello");
        }
    });
    binding.insertLast.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            adapter.addItem("hello foo");
        }
    });
    binding.delete.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            adapter.removeItem(0);
        }
    });
    binding.loadMore.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            List<String> list = new ArrayList<>();
            int count = new Random().nextInt(50);
            for (int i = 0; i < count; i++) {
                // list.add("i" + new Random().nextInt(100));
                list.add("i" + i);
            }
            adapter.addItems(list);
        }
    });
}

Example 24 with ObservableSource

use of io.reactivex.rxjava3.core.ObservableSource in project RxJava by ReactiveX.

the class ObservableRepeatTest method repeatTakeWithSubscribeOn.

@Test
public void repeatTakeWithSubscribeOn() throws InterruptedException {
    final AtomicInteger counter = new AtomicInteger();
    Observable<Integer> oi = Observable.unsafeCreate(new ObservableSource<Integer>() {

        @Override
        public void subscribe(Observer<? super Integer> sub) {
            sub.onSubscribe(Disposable.empty());
            counter.incrementAndGet();
            sub.onNext(1);
            sub.onNext(2);
            sub.onComplete();
        }
    }).subscribeOn(Schedulers.newThread());
    Object[] ys = oi.repeat().subscribeOn(Schedulers.newThread()).map(new Function<Integer, Integer>() {

        @Override
        public Integer apply(Integer t1) {
            try {
                Thread.sleep(50);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            return t1;
        }
    }).take(4).toList().blockingGet().toArray();
    assertEquals(2, counter.get());
    assertArrayEquals(new Object[] { 1, 2, 1, 2 }, ys);
}

Example 25 with ObservableSource

use of io.reactivex.rxjava3.core.ObservableSource in project RxJava by ReactiveX.

the class ObservableRepeatTest method noCancelPreviousRepeatWhen.

@Test
public void noCancelPreviousRepeatWhen() {
    final AtomicInteger counter = new AtomicInteger();
    Observable<Integer> source = Observable.just(1).doOnDispose(new Action() {

        @Override
        public void run() throws Exception {
            counter.getAndIncrement();
        }
    });
    final AtomicInteger times = new AtomicInteger();
    source.repeatWhen(new Function<Observable<Object>, ObservableSource<?>>() {

        @Override
        public ObservableSource<?> apply(Observable<Object> e) throws Exception {
            return e.takeWhile(new Predicate<Object>() {

                @Override
                public boolean test(Object v) throws Exception {
                    return times.getAndIncrement() < 4;
                }
            });
        }
    }).test().assertResult(1, 1, 1, 1, 1);
    assertEquals(0, counter.get());
}