Support progress in ProgressBarAndroid

Differential Revision: D2626321

fb-gh-sync-id: a358a1db8c8f3b4a41dc9a600ee691e6e60310f3

Libraries/Components/ProgressBarAndroid/ProgressBarAndroid.android.js

@@ -26,6 +26,18 @@ var STYLE_ATTRIBUTES = [
   'LargeInverse'
 ];
 
+var indeterminateType = function(props, propName, componentName) {
+  var checker = function() {
+    var indeterminate = props[propName];
+    var styleAttr = props.styleAttr;
+    if (!indeterminate && styleAttr !== 'Horizontal') {
+      return new Error('indeterminate=false is only valid for styleAttr=Horizontal');
+    }
+  };
+
+  return ReactPropTypes.bool(props, propName, componentName) || checker();
+};
+
 /**
  * React component that wraps the Android-only `ProgressBar`. This component is used to indicate
  * that the app is loading or there is some activity in the app.
@@ -62,6 +74,15 @@ var ProgressBarAndroid = React.createClass({
      * - LargeInverse
      */
     styleAttr: ReactPropTypes.oneOf(STYLE_ATTRIBUTES),
+    /**
+     * If the progress bar will show indeterminate progress. Note that this
+     * can only be false if styleAttr is Horizontal.
+     */
+    indeterminate: indeterminateType,
+    /**
+     * The progress value (between 0 and 1).
+     */
+    progress: ReactPropTypes.number,
     /**
      * Color of the progress bar.
      */
@@ -75,6 +96,7 @@ var ProgressBarAndroid = React.createClass({
   getDefaultProps: function() {
     return {
       styleAttr: 'Large',
+      indeterminate: true
     };
   },