import com.android.camera.CropImageIntentBuilder; //导入依赖的package包/类
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    File croppedImageFile = new File(getFilesDir(), "wallpaper.jpg");

    if ((requestCode == REQUEST_PICTURE) && (resultCode == RESULT_OK)) {
        Uri croppedImage = Uri.fromFile(croppedImageFile);

        CropImageIntentBuilder cropImage = new CropImageIntentBuilder(getDisplayWidth(), getDisplayHeight(), getDisplayWidth(), getDisplayHeight(), croppedImage);
        cropImage.setSourceImage(data.getData());
        cropImage.setOutputQuality(100);

        startActivityForResult(cropImage.getIntent(this), REQUEST_CROP_PICTURE);
    } else if ((requestCode == REQUEST_CROP_PICTURE) && (resultCode == RESULT_OK)) {
        Toast.makeText(this, getString(R.string.toast_wallpaper_set), Toast.LENGTH_SHORT).show();
        wallpaperPreference.setSummary(R.string.pref_description_lockscreen_wallpaper_custom);
        String[] values = getResources().getStringArray(R.array.pref_values_lockscreen_wallpaper);
        SharedPreferencesHelper.setWallpaperPreference(this, values[1]);
        WallpaperHelper.onWallpaperChanged(this, values[1]);
    }
}
 

import com.android.camera.CropImageIntentBuilder; //导入依赖的package包/类
private void startCropImage(Uri uri, Uri saveUri) {
    Intent intent = new CropImageIntentBuilder(UiUtils.SMALL_WIDTH, UiUtils.SMALL_HEIGHT, UiUtils.SMALL_WIDTH, UiUtils.SMALL_HEIGHT, saveUri)
            .setSourceImage(uri)
            .setDoFaceDetection(false)
            .setScaleUpIfNeeded(false)
            .getIntent(getActivity());
    startActivityForResult(intent, REQUEST_CROP_IMAGE);
}
 

import com.android.camera.CropImageIntentBuilder; //导入依赖的package包/类
private void requestCroppedImage(Uri uri) {
    d("Requesting cropped image");
    if (isFileExist(uri)) {
        Pixture.Config config = getConfig();

        if (config.getSaveLocation() == null) {
            File resultFile = StorageUtils.createOutputMediaFile(StorageUtils.MEDIA_TYPE_IMAGE);
            mCroppedResultUri = Uri.fromFile(resultFile);
        } else {
            mCroppedResultUri = Uri.fromFile(config.getSaveLocation());
        }

        Intent crop = new CropImageIntentBuilder(
                config.getCropAspectX(),
                config.getCropAspectY(),
                config.getCropWidth(),
                config.getCropHeight(),
                mCroppedResultUri)

                .setSourceImage(uri)
                .setOutputFormat("JPEG")
                .setScale(true) // TODO add to config
                .setScaleUpIfNeeded(config.isScaleUpIfNeeded())
                .setOutputQuality(80) // TODO add to config
                .setDoFaceDetection(true)
                .getIntent(this);

        startActivityForResult(crop, REQUEST_CROP);
    } else {
        e("Source photo file not found: %s", uri);
        toast("Failed to load photo.");
    }
}
 

import com.android.camera.CropImageIntentBuilder; //导入依赖的package包/类
private void cropImage() {
    CropImageIntentBuilder cropBuilder = new CropImageIntentBuilder(
            aspectWidth, aspectHeight,
            previewWidth, previewHeight,
            imageHolder.getPreview());
    cropBuilder.setScaleUpIfNeeded(true);

    cropBuilder.setSourceImage(imageHolder.getSource());

    Intent intent = cropBuilder.getIntent(context);

    CompoundRequestCode rc = new CompoundRequestCode(imageId, CROP_IMAGE);
    activityStarter.startActivityForResult(intent, rc.getValue());
}