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Code Issues Projects Releases Wiki Activity

Update docs on using onActivityResult (again)

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Summary:
Update the long image picker example
Closes https://github.com/facebook/react-native/pull/10234

Differential Revision: D3967223

fbshipit-source-id: c99a98c1d83de9804406362fcddb7db0b83b08fa
This commit is contained in:
Felix Oghină 2016-10-04 03:09:03 -07:00 committed by Facebook Github Bot
parent bbade77fb4
commit 9ac9ec90c3
1 changed files with 26 additions and 24 deletions
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50
docs/NativeModulesAndroid.md
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@ -344,7 +344,7 @@ public void onActivityResult(
We will implement a simple image picker to demonstrate this. The image picker will expose the method `pickImage` to JavaScript, which will return the path of the image when called. We will implement a simple image picker to demonstrate this. The image picker will expose the method `pickImage` to JavaScript, which will return the path of the image when called.
```java ```java
public class ImagePickerModule extends ReactContextBaseJavaModule implements ActivityEventListener { public class ImagePickerModule extends ReactContextBaseJavaModule {
private static final int IMAGE_PICKER_REQUEST = 467081; private static final int IMAGE_PICKER_REQUEST = 467081;
private static final String E_ACTIVITY_DOES_NOT_EXIST = "E_ACTIVITY_DOES_NOT_EXIST"; private static final String E_ACTIVITY_DOES_NOT_EXIST = "E_ACTIVITY_DOES_NOT_EXIST";
@ -353,12 +353,36 @@ public class ImagePickerModule extends ReactContextBaseJavaModule implements Act
private static final String E_NO_IMAGE_DATA_FOUND = "E_NO_IMAGE_DATA_FOUND"; private static final String E_NO_IMAGE_DATA_FOUND = "E_NO_IMAGE_DATA_FOUND";
private Promise mPickerPromise; private Promise mPickerPromise;
private final ActivityEventListener mActivityEventListener = new BaseActivityEventListener() {
@Override
public void onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) {
if (requestCode == IMAGE_PICKER_REQUEST) {
if (mPickerPromise != null) {
if (resultCode == Activity.RESULT_CANCELED) {
mPickerPromise.reject(E_PICKER_CANCELLED, "Image picker was cancelled");
} else if (resultCode == Activity.RESULT_OK) {
Uri uri = intent.getData();
if (uri == null) {
mPickerPromise.reject(E_NO_IMAGE_DATA_FOUND, "No image data found");
} else {
mPickerPromise.resolve(uri.toString());
}
}
mPickerPromise = null;
}
}
}
};
public ImagePickerModule(ReactApplicationContext reactContext) { public ImagePickerModule(ReactApplicationContext reactContext) {
super(reactContext); super(reactContext);
// Add the listener for `onActivityResult` // Add the listener for `onActivityResult`
reactContext.addActivityEventListener(this); reactContext.addActivityEventListener(mActivityEventListener);
} }
@Override @Override
@ -391,28 +415,6 @@ public class ImagePickerModule extends ReactContextBaseJavaModule implements Act
mPickerPromise = null; mPickerPromise = null;
} }
} }
// You can get the result here
@Override
public void onActivityResult(final int requestCode, final int resultCode, final Intent intent) {
if (requestCode == IMAGE_PICKER_REQUEST) {
if (mPickerPromise != null) {
if (resultCode == Activity.RESULT_CANCELED) {
mPickerPromise.reject(E_PICKER_CANCELLED, "Image picker was cancelled");
} else if (resultCode == Activity.RESULT_OK) {
Uri uri = intent.getData();
if (uri == null) {
mPickerPromise.reject(E_NO_IMAGE_DATA_FOUND, "No image data found");
} else {
mPickerPromise.resolve(uri.toString());
}
}
mPickerPromise = null;
}
}
}
} }
``` ```