以下代码无法在 Redmi 4A 中工作...它正在使用最大设备它只能使用Redmi 4A ..我不知道它正在投掷 Nullpointer例外
错误：
Exeception：出错了java.lang.NullPointerException： 尝试调用虚方法＆＃39; int android.content.ClipData.getItemCount（）＆＃39;在空对象引用上
if (Build.VERSION.SDK_INT < 19) {
Intent galleryIntent = new Intent(Intent.ACTION_GET_CONTENT,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
galleryIntent.setType("video/*, image/*"); // galleryIntent.setType("image/* video/*");
galleryIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
startActivityForResult(Intent.createChooser(galleryIntent,"Select Picture"), PICK_IMAGE_MULTIPLE);
} else {
Toast.makeText(PreviewImages.this,"WEdfsdfsdfdsfsfdsf",Toast.LENGTH_SHORT).show();
Intent galleryIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
galleryIntent.addCategory(Intent.CATEGORY_OPENABLE);
galleryIntent.setType("*/*");
galleryIntent.putExtra(Intent.EXTRA_MIME_TYPES, new String[] {"image/*", "video/*"});
galleryIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
startActivityForResult(Intent.createChooser(galleryIntent,"Select Picture"), PICK_IMAGE_MULTIPLE);
}
这是 OnActivityResult
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
try {
// When an Image is picked
if (requestCode == PICK_IMAGE_MULTIPLE && resultCode == RESULT_OK
&& null != data) {
// Get the Image from data
Log.e("previewimages"," **onActivityResult ");
String[] filePathColumn = { MediaStore.Images.Media.DATA };
if(data.getData()!=null){
Log.e("previewimages"," **single image selections ");
String[] files = new String[1];
Log.e("printuri result","****oneimg "+data.getData());
String realPath = ImageFilePath.getPath(PreviewImages.this, data.getData());
files[0] = realPath;
ImagepathModel imagepathModel = new ImagepathModel();
imagepathModel.setFilepath(realPath);
arrayList_copyfilepath.add(imagepathModel);
selectedimag_adapter.notifyDataSetChanged();
preview_playimagee.setEnabled(true);
preview_playimagee.setVisibility(View.VISIBLE);
displayFirstImages();
removepos =0;
if (myAnim !=null)
tv_add_sticker.startAnimation(myAnim);
} else {
Log.e("previewimages"," **mutiple image selections "+data.getClipData() +" == "+data.getClipData().getItemCount());
if (data.getClipData() != null) {
ClipData mClipData = data.getClipData();
String[] files = new String[ mClipData.getItemCount()];
for (int i = 0; i < mClipData.getItemCount(); i++) {
ClipData.Item item = mClipData.getItemAt(i);
String realPath = ImageFilePath.getPath(PreviewImages.this, item.getUri());
ImagepathModel imagepathModel = new ImagepathModel();
imagepathModel.setFilepath(realPath);
arrayList_copyfilepath.add(imagepathModel);
final File file = new File(realPath);
if (file.exists()) {
Log.e("fileexistes","***** "+ " File is existss " + realPath);
}else {
Log.e("fileexistes","***** "+ " Nofilefounds ");
}
// preview_playimagee.setImageURI(data.getData());
Log.e("filepaths","****uris "+item.getUri());
Log.e("filepaths","multipleimages "+" realpath \n "+realPath);
}
preview_playimagee.setEnabled(true);
preview_playimagee.setVisibility(View.VISIBLE);
selectedimag_adapter.notifyDataSetChanged();
displayFirstImages();
removepos = 0;
if (myAnim !=null)
tv_add_sticker.startAnimation(myAnim);
}
}
} else {
if (arrayList_copyfilepath.size() == 0)
Toast.makeText(this, "Please Select Atleast One Pick",
Toast.LENGTH_LONG).show();
}
} catch (Exception e) {
Toast.makeText(this, "Something went wrong", Toast.LENGTH_LONG)
.show();
Log.e("Exeception","something went wrong"+e.toString());
}
super.onActivityResult(requestCode, resultCode, data);
}