图片浏览器基本功能完成

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "cn.yunliyunwai.beyondclouds"
         applicationId "cn.yunliyunwai.beyondclouds"
         minSdkVersion 19
         minSdkVersion 19
         targetSdkVersion 29
         targetSdkVersion 29
-        versionCode 1
-        versionName "1.0"
+        versionCode 2
+        versionName "2.0"
 
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
 

app/src/main/AndroidManifest.xml

@@ -43,6 +43,7 @@
         <activity android:name=".ui.question.QuestionDetailActivity" />
         <activity android:name=".ui.question.QuestionDetailActivity" />
         <activity android:name=".ui.settings.SettingsActivity" />
         <activity android:name=".ui.settings.SettingsActivity" />
         <activity android:name=".ui.user.UserHomeActivity" />
         <activity android:name=".ui.user.UserHomeActivity" />
+        <activity android:name=".ui.common.PhotoViewerActivity" android:theme="@style/AppTheme.FullScreen" />
     </application>
     </application>
 
 
 </manifest>
 </manifest>
\ No newline at end of file

app/src/main/java/cn/yunliyunwai/beyondclouds/ui/common/PhotoViewerActivity.java

+package cn.yunliyunwai.beyondclouds.ui.common;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentPagerAdapter;
+
+import com.bumptech.glide.Glide;
+
+import cn.yunliyunwai.beyondclouds.databinding.ActivityPhotoviewerBinding;
+import cn.yunliyunwai.beyondclouds.databinding.FragmentPhotoBinding;
+
+public class PhotoViewerActivity extends AppCompatActivity {
+
+    public static final String ARGS_PHOTO_LINKS = "PHOTO_LINKS";
+
+    ActivityPhotoviewerBinding binding;
+
+    private String[] mPhotos;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivityPhotoviewerBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        Intent intent = getIntent();
+        mPhotos = intent.getStringArrayExtra(ARGS_PHOTO_LINKS);
+
+        PhotosPagerAdapter adapter = new PhotosPagerAdapter(getSupportFragmentManager(), mPhotos);
+        binding.viewPager.setAdapter(adapter);
+    }
+
+    public static class PhotosPagerAdapter extends FragmentPagerAdapter {
+        private String[] mPhotos;
+
+        public PhotosPagerAdapter(FragmentManager fm, String[] mPhotos) {
+            super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
+            this.mPhotos = mPhotos;
+        }
+
+        @NonNull
+        @Override
+        public Fragment getItem(int position) {
+            return new PhotoFragment(mPhotos[position]);
+        }
+
+
+        @Override
+        public int getCount() {
+            return mPhotos.length;
+        }
+
+    }
+
+    public static class PhotoFragment extends Fragment {
+        FragmentPhotoBinding binding;
+        private String mPhoto;
+
+        public PhotoFragment(String photo) {
+            this.mPhoto = photo;
+        }
+
+        @Nullable
+        @Override
+        public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+            binding = FragmentPhotoBinding.inflate(inflater, container, false);
+            return binding.getRoot();
+        }
+
+        @Override
+        public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
+            Glide.with(view).load(mPhoto).centerInside().into(binding.imgView);
+        }
+    }
+}

app/src/main/java/cn/yunliyunwai/beyondclouds/ui/handler/NavHandlers.java

@@ -6,6 +6,7 @@ import android.view.View;
 import android.widget.Toast;
 import android.widget.Toast;
 
 
 import cn.yunliyunwai.beyondclouds.ui.ToastUtils;
 import cn.yunliyunwai.beyondclouds.ui.ToastUtils;
+import cn.yunliyunwai.beyondclouds.ui.common.PhotoViewerActivity;
 import cn.yunliyunwai.beyondclouds.ui.login.LoginActivity;
 import cn.yunliyunwai.beyondclouds.ui.login.LoginActivity;
 import cn.yunliyunwai.beyondclouds.ui.settings.SettingsActivity;
 import cn.yunliyunwai.beyondclouds.ui.settings.SettingsActivity;
 import cn.yunliyunwai.beyondclouds.ui.user.UserHomeActivity;
 import cn.yunliyunwai.beyondclouds.ui.user.UserHomeActivity;
@@ -205,4 +206,10 @@ public class NavHandlers {
         intent.putExtra(UserHomeActivity.ARG_USER_ID, userId);
         intent.putExtra(UserHomeActivity.ARG_USER_ID, userId);
         view.getContext().startActivity(intent);
         view.getContext().startActivity(intent);
     }
     }
+
+    public static void toPhotoViewer(View view, String[] photoLinks) {
+        Intent intent = new Intent(view.getContext(), PhotoViewerActivity.class);
+        intent.putExtra(PhotoViewerActivity.ARGS_PHOTO_LINKS, photoLinks);
+        view.getContext().startActivity(intent);
+    }
 }
 }

app/src/main/java/cn/yunliyunwai/beyondclouds/view/DynamicGridLayout.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.BitmapDrawable;
 import android.os.Build;
 import android.os.Build;
 import android.util.AttributeSet;
 import android.util.AttributeSet;
+import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.ImageView;
 
 
@@ -24,6 +25,7 @@ import com.bumptech.glide.request.target.Target;
 import java.util.List;
 import java.util.List;
 
 
 import cn.yunliyunwai.beyondclouds.R;
 import cn.yunliyunwai.beyondclouds.R;
+import cn.yunliyunwai.beyondclouds.ui.handler.NavHandlers;
 
 
 /**
 /**
  * 动态九宫格布局
  * 动态九宫格布局
@@ -126,6 +128,12 @@ public class DynamicGridLayout extends ViewGroup {
             int left = computePosition(currentCol, imageSize) + getPaddingLeft();
             int left = computePosition(currentCol, imageSize) + getPaddingLeft();
             int top = computePosition(currentRow, imageSize) + getPaddingTop();
             int top = computePosition(currentRow, imageSize) + getPaddingTop();
             imageView.layout(left, top, left + imageSize, top + imageSize);
             imageView.layout(left, top, left + imageSize, top + imageSize);
+            imageView.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    NavHandlers.toPhotoViewer(v, mImgUrls.toArray(new String[0]));
+                }
+            });
         }
         }
         isImageInit = true;
         isImageInit = true;
     }
     }

app/src/main/res/layout/activity_photoviewer.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    android:background="#000000"
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/view_pager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_photo.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/img_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file