Added ProgressBarAndroid files

Author: wagnermaciel

src/main/java/com/reactnativecommunity/progressbarandroid/ProgressBarAndroid.android.js

@@ -0,0 +1,103 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+const React = require('React');
+
+const ProgressBarAndroidNativeComponent = require('ProgressBarAndroidNativeComponent');
+
+import type {ViewProps} from 'ViewPropTypes';
+
+export type ProgressBarAndroidProps = $ReadOnly<{|
+  ...ViewProps,
+
+  /**
+   * Style of the ProgressBar and whether it shows indeterminate progress (e.g. spinner).
+   *
+   * `indeterminate` can only be false if `styleAttr` is Horizontal, and requires a
+   * `progress` value.
+   */
+  ...
+    | {|
+        styleAttr: 'Horizontal',
+        indeterminate: false,
+        progress: number,
+      |}
+    | {|
+        typeAttr:
+          | 'Horizontal'
+          | 'Normal'
+          | 'Small'
+          | 'Large'
+          | 'Inverse'
+          | 'SmallInverse'
+          | 'LargeInverse',
+        indeterminate: true,
+      |},
+  /**
+   * Whether to show the ProgressBar (true, the default) or hide it (false).
+   */
+  animating?: ?boolean,
+  /**
+   * Color of the progress bar.
+   */
+  color?: ?string,
+  /**
+   * Used to locate this view in end-to-end tests.
+   */
+  testID?: ?string,
+|}>;
+
+/**
+ * React component that wraps the Android-only `ProgressBar`. This component is
+ * used to indicate that the app is loading or there is activity in the app.
+ *
+ * Example:
+ *
+ * ```
+ * render: function() {
+ *   var progressBar =
+ *     <View style={styles.container}>
+ *       <ProgressBar styleAttr="Inverse" />
+ *     </View>;
+
+ *   return (
+ *     <MyLoadingComponent
+ *       componentView={componentView}
+ *       loadingView={progressBar}
+ *       style={styles.loadingComponent}
+ *     />
+ *   );
+ * },
+ * ```
+ */
+const ProgressBarAndroid = (
+  props: ProgressBarAndroidProps,
+  forwardedRef: ?React.Ref<typeof ProgressBarAndroidNativeComponent>,
+) => {
+  return <ProgressBarAndroidNativeComponent {...props} ref={forwardedRef} />;
+};
+
+const ProgressBarAndroidToExport = React.forwardRef(ProgressBarAndroid);
+
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
+ProgressBarAndroidToExport.defaultProps = {
+  styleAttr: 'Normal',
+  indeterminate: true,
+  animating: true,
+};
+
+/* $FlowFixMe(>=0.89.0 site=react_native_android_fb) This comment suppresses an
+ * error found when Flow v0.89 was deployed. To see the error, delete this
+ * comment and run Flow. */
+module.exports = (ProgressBarAndroidToExport: ProgressBarAndroidNativeComponent);

src/main/java/com/reactnativecommunity/progressbarandroid/ProgressBarAndroid.ios.js

@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+module.exports = require('UnimplementedView');

src/main/java/com/reactnativecommunity/progressbarandroid/ProgressBarAndroidNativeComponent.js

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+const requireNativeComponent = require('requireNativeComponent');
+
+import type {ViewProps} from 'ViewPropTypes';
+import type {NativeComponent} from 'ReactNative';
+
+type NativeProps = $ReadOnly<{|
+  ...ViewProps,
+  styleAttr?: string,
+  typeAttr?: string,
+  indeterminate: boolean,
+  progress?: number,
+  animating?: ?boolean,
+  color?: ?string,
+  testID?: ?string,
+|}>;
+
+type ProgressBarAndroidType = Class<NativeComponent<NativeProps>>;
+
+module.exports = ((requireNativeComponent(
+  'AndroidProgressBar',
+): any): ProgressBarAndroidType);