将图像从 Phone 上传到 RecyclerView GridView
Uploading Image from Phone to RecyclerView GridView
我正在尝试使用滑行来执行此操作。我有一个 Gridview 回收器视图，回收器中已有 9 张图片。实现了一个 OnClickListener，它将我带到 phone 的画廊，这样我就可以将图像上传到 Recycler 视图中。当我使用 mLayoutManager.findViewByPosition(imagePosition) 时出现问题。 Glide 需要一个 imageView，但是 layoutmanager returns 一个 CardView？来自 Recycler View 中每个项目的自定义 XML。确切地说，我该怎么做呢？谢谢！！
错误：
E/libc: Access denied finding property "vendor.gralloc.disable_ahardware_buffer"
W/Glide: Failed to find GeneratedAppGlideModule. You should include an annotationProcessor compile dependency on com.github.bumptech.glide:compiler in your application and a @GlideModule annotated AppGlideModule implementation or LibraryGlideModules will be silently ignored
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.imagegridactivity, PID: 25530
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { {com.example.imagegridactivity/com.example.imagegridactivity.MainActivity}: java.lang.ClassCastException: androidx.cardview.widget.CardView cannot be cast to android.widget.ImageView
at android.app.ActivityThread.deliverResults(ActivityThread.java:4845)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4886)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: java.lang.ClassCastException: androidx.cardview.widget.CardView cannot be cast to android.widget.ImageView
at com.example.imagegridactivity.MainActivity.onActivityResult(MainActivity.java:128)
at android.app.Activity.dispatchActivityResult(Activity.java:8135)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4838)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4886)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
I/Process: Sending signal. PID: 25530 SIG: 9
Disconnected from the target VM, address: 'localhost:8600', transport: 'socket'
适配器：
public class AnimalsAdapter extends RecyclerView.Adapter<AnimalsAdapter.ViewHolder> {
ImageView imageView;
private Uri imageUri;
private ArrayList<animal_item> mDataSet;
private Context mContext;
private OnItemClickListener mListener;
public ArrayList<animal_item> getDataSet() {
return mDataSet;
}
public void setDataSet(ArrayList<animal_item> mDataSet) {
this.mDataSet = mDataSet;
}
public ImageView getImageView() {
return imageView;
}
public void setImageView(ImageView imageView) {
this.imageView = imageView;
}
public Context getContext() {
return mContext;
}
public void setContext(Context mContext) {
this.mContext = mContext;
}
public Uri getImageUri() {
return imageUri;
}
public void setImageUri(Uri imageUri) {
this.imageUri = imageUri;
}
public interface OnItemClickListener {
void onItemClick(int position);
}
public void setOnItemClickListener(OnItemClickListener listener) {
mListener = listener;
}
public AnimalsAdapter(Context context, ArrayList<animal_item> DataSet) {
mDataSet = DataSet;
mContext = context;
}
public ArrayList<animal_item> DataSet() {
return mDataSet;
}
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView mImageView;
public LinearLayout mLinearLayout;
public ViewHolder(View v, final OnItemClickListener listener) {
super(v);
mImageView = (ImageView) v.findViewById(R.id.tv);
mImageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (listener != null) {
int position = getAdapterPosition();
if (position != RecyclerView.NO_POSITION) ;
listener.onItemClick(position);
}
}
});
mLinearLayout = (LinearLayout) v.findViewById(R.id.ll);
}
public ImageView getImageView() {
return mImageView;
}
public void setImageView(ImageView mImageView) {
this.mImageView = mImageView;
}
}
@Override
public AnimalsAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
// Create a new View
View v = LayoutInflater.from(mContext).inflate(R.layout.custom_view, parent, false);
ViewHolder vh = new ViewHolder(v, (OnItemClickListener) mListener);
return vh;
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
final animal_item animalItem = mDataSet.get(position);
holder.mImageView.setImageResource(animalItem.getImageResource());
imageView = holder.mImageView;
}
@Override
public int getItemCount() {
return mDataSet.size();
}
}
个人观点：
<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:id="@+id/card_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
card_view:cardCornerRadius="4dp"
card_view:cardElevation="2dp"
card_view:cardMaxElevation="4dp"
card_view:contentPadding="5dp">
<LinearLayout
android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="3dp">
<ImageButton
android:id="@+id/tv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_margin="2dp"
android:gravity="center"
android:padding="10dp"
android:textColor="#000"
android:textSize="25dp"
android:textStyle="bold" />
</LinearLayout>
</androidx.cardview.widget.CardView>
主要Activity:
public class MainActivity extends AppCompatActivity {
private Context mContext;
RelativeLayout mRelativeLayout;
private RecyclerView mRecyclerView;
private AnimalsAdapter mAdapter;
private RecyclerView.LayoutManager mLayoutManager;
private ArrayList<animal_item> arrayList;
private Uri imageUri;
private int imagePosition;
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_ACTION_BAR);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mContext = getApplicationContext();
getSupportActionBar().setBackgroundDrawable(
new ColorDrawable(Color.parseColor("#FF677589"))
);
mRelativeLayout = findViewById(R.id.rl);
mRecyclerView = findViewById(R.id.recycler_view);
final int[] imageArray = new int[9];
for (int i = 0; i < imageArray.length; i++) {
imageArray[i] = R.mipmap.pic1_foreground;
}
arrayList = new ArrayList<>();
for (int i = 0; i < imageArray.length; i++) {
int image = imageArray[i];
arrayList.add(new animal_item(image));
}
mLayoutManager = new GridLayoutManager(mContext, 3);
mRecyclerView.setLayoutManager(mLayoutManager);
mAdapter = new AnimalsAdapter(mContext, arrayList);
mRecyclerView.setAdapter(mAdapter);
mAdapter.setOnItemClickListener(new AnimalsAdapter.OnItemClickListener() {
@Override
public void onItemClick(int position) {
Intent intent = new Intent(Intent.ACTION_PICK);
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, 1);
}
});
ItemTouchHelper helper = new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT, 0) {
final ArrayList aL = new ArrayList<>();
@Override
public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder dragged, @NonNull RecyclerView.ViewHolder target) {
int position_dragged = dragged.getAdapterPosition();
int position_target = target.getAdapterPosition();
Collections.swap(arrayList, position_dragged, position_target);
mAdapter.notifyItemMoved(position_dragged, position_target);
//Collections.copy(mQuestion11List, aL);
return false;
}
@Override
public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
}
});
helper.attachToRecyclerView(mRecyclerView);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
imageUri = data.getData();
//mAdapter.getDataSet().get(imagePosition).setImageResource();
Glide.with(MainActivity.this).load(imageUri).into(mLayoutManager.findViewByPosition(imagePosition));
}
}
单个项目：
package com.example.imagegridactivity;
public class animal_item {
private int imageResource;
public animal_item(int imageResource) {
this.imageResource = imageResource;
}
public int getImageResource() {
return imageResource;
}
public void setImageResource(int imageResource) {
this.imageResource = imageResource;
}
}
方法mLayoutManager.findViewByPosition(imagePosition) return表示相应适配器位置的视图。您必须在 returned 视图上使用 findViewById(R.id.tv) 来获取图像视图并将其作为目标传递给 glide。
我正在尝试使用滑行来执行此操作。我有一个 Gridview 回收器视图，回收器中已有 9 张图片。实现了一个 OnClickListener，它将我带到 phone 的画廊，这样我就可以将图像上传到 Recycler 视图中。当我使用 mLayoutManager.findViewByPosition(imagePosition) 时出现问题。 Glide 需要一个 imageView，但是 layoutmanager returns 一个 CardView？来自 Recycler View 中每个项目的自定义 XML。确切地说，我该怎么做呢？谢谢！！
错误：
E/libc: Access denied finding property "vendor.gralloc.disable_ahardware_buffer"
W/Glide: Failed to find GeneratedAppGlideModule. You should include an annotationProcessor compile dependency on com.github.bumptech.glide:compiler in your application and a @GlideModule annotated AppGlideModule implementation or LibraryGlideModules will be silently ignored
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.imagegridactivity, PID: 25530
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { {com.example.imagegridactivity/com.example.imagegridactivity.MainActivity}: java.lang.ClassCastException: androidx.cardview.widget.CardView cannot be cast to android.widget.ImageView
at android.app.ActivityThread.deliverResults(ActivityThread.java:4845)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4886)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: java.lang.ClassCastException: androidx.cardview.widget.CardView cannot be cast to android.widget.ImageView
at com.example.imagegridactivity.MainActivity.onActivityResult(MainActivity.java:128)
at android.app.Activity.dispatchActivityResult(Activity.java:8135)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4838)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4886)
at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
I/Process: Sending signal. PID: 25530 SIG: 9
Disconnected from the target VM, address: 'localhost:8600', transport: 'socket'
适配器：
public class AnimalsAdapter extends RecyclerView.Adapter<AnimalsAdapter.ViewHolder> {
ImageView imageView;
private Uri imageUri;
private ArrayList<animal_item> mDataSet;
private Context mContext;
private OnItemClickListener mListener;
public ArrayList<animal_item> getDataSet() {
return mDataSet;
}
public void setDataSet(ArrayList<animal_item> mDataSet) {
this.mDataSet = mDataSet;
}
public ImageView getImageView() {
return imageView;
}
public void setImageView(ImageView imageView) {
this.imageView = imageView;
}
public Context getContext() {
return mContext;
}
public void setContext(Context mContext) {
this.mContext = mContext;
}
public Uri getImageUri() {
return imageUri;
}
public void setImageUri(Uri imageUri) {
this.imageUri = imageUri;
}
public interface OnItemClickListener {
void onItemClick(int position);
}
public void setOnItemClickListener(OnItemClickListener listener) {
mListener = listener;
}
public AnimalsAdapter(Context context, ArrayList<animal_item> DataSet) {
mDataSet = DataSet;
mContext = context;
}
public ArrayList<animal_item> DataSet() {
return mDataSet;
}
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView mImageView;
public LinearLayout mLinearLayout;
public ViewHolder(View v, final OnItemClickListener listener) {
super(v);
mImageView = (ImageView) v.findViewById(R.id.tv);
mImageView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (listener != null) {
int position = getAdapterPosition();
if (position != RecyclerView.NO_POSITION) ;
listener.onItemClick(position);
}
}
});
mLinearLayout = (LinearLayout) v.findViewById(R.id.ll);
}
public ImageView getImageView() {
return mImageView;
}
public void setImageView(ImageView mImageView) {
this.mImageView = mImageView;
}
}
@Override
public AnimalsAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
// Create a new View
View v = LayoutInflater.from(mContext).inflate(R.layout.custom_view, parent, false);
ViewHolder vh = new ViewHolder(v, (OnItemClickListener) mListener);
return vh;
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
final animal_item animalItem = mDataSet.get(position);
holder.mImageView.setImageResource(animalItem.getImageResource());
imageView = holder.mImageView;
}
@Override
public int getItemCount() {
return mDataSet.size();
}
}
个人观点：
<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:id="@+id/card_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
card_view:cardCornerRadius="4dp"
card_view:cardElevation="2dp"
card_view:cardMaxElevation="4dp"
card_view:contentPadding="5dp">
<LinearLayout
android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="3dp">
<ImageButton
android:id="@+id/tv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_margin="2dp"
android:gravity="center"
android:padding="10dp"
android:textColor="#000"
android:textSize="25dp"
android:textStyle="bold" />
</LinearLayout>
</androidx.cardview.widget.CardView>
主要Activity:
public class MainActivity extends AppCompatActivity {
private Context mContext;
RelativeLayout mRelativeLayout;
private RecyclerView mRecyclerView;
private AnimalsAdapter mAdapter;
private RecyclerView.LayoutManager mLayoutManager;
private ArrayList<animal_item> arrayList;
private Uri imageUri;
private int imagePosition;
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_ACTION_BAR);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mContext = getApplicationContext();
getSupportActionBar().setBackgroundDrawable(
new ColorDrawable(Color.parseColor("#FF677589"))
);
mRelativeLayout = findViewById(R.id.rl);
mRecyclerView = findViewById(R.id.recycler_view);
final int[] imageArray = new int[9];
for (int i = 0; i < imageArray.length; i++) {
imageArray[i] = R.mipmap.pic1_foreground;
}
arrayList = new ArrayList<>();
for (int i = 0; i < imageArray.length; i++) {
int image = imageArray[i];
arrayList.add(new animal_item(image));
}
mLayoutManager = new GridLayoutManager(mContext, 3);
mRecyclerView.setLayoutManager(mLayoutManager);
mAdapter = new AnimalsAdapter(mContext, arrayList);
mRecyclerView.setAdapter(mAdapter);
mAdapter.setOnItemClickListener(new AnimalsAdapter.OnItemClickListener() {
@Override
public void onItemClick(int position) {
Intent intent = new Intent(Intent.ACTION_PICK);
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(intent, 1);
}
});
ItemTouchHelper helper = new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT, 0) {
final ArrayList aL = new ArrayList<>();
@Override
public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder dragged, @NonNull RecyclerView.ViewHolder target) {
int position_dragged = dragged.getAdapterPosition();
int position_target = target.getAdapterPosition();
Collections.swap(arrayList, position_dragged, position_target);
mAdapter.notifyItemMoved(position_dragged, position_target);
//Collections.copy(mQuestion11List, aL);
return false;
}
@Override
public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
}
});
helper.attachToRecyclerView(mRecyclerView);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
imageUri = data.getData();
//mAdapter.getDataSet().get(imagePosition).setImageResource();
Glide.with(MainActivity.this).load(imageUri).into(mLayoutManager.findViewByPosition(imagePosition));
}
}
单个项目：
package com.example.imagegridactivity;
public class animal_item {
private int imageResource;
public animal_item(int imageResource) {
this.imageResource = imageResource;
}
public int getImageResource() {
return imageResource;
}
public void setImageResource(int imageResource) {
this.imageResource = imageResource;
}
}
方法mLayoutManager.findViewByPosition(imagePosition) return表示相应适配器位置的视图。您必须在 returned 视图上使用 findViewById(R.id.tv) 来获取图像视图并将其作为目标传递给 glide。