St.John's v1.0.9 - GalleryAlbumsActivity.java 源代码

package com.mcb.stjohnsemschool.activity;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.ListAdapter;
import androidx.appcompat.app.AppCompatActivity;
import com.mcb.stjohnsemschool.adapter.GalleryAdapter;
import com.mcb.stjohnsemschool.model.BucketEntry;
import java.util.ArrayList;

public class GalleryAlbumsActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {
    private static final String BUCKET_GROUP_BY = "1) GROUP BY (1";
    private static final String BUCKET_ORDER_BY = "datetaken DESC";
    private static final String TAG = "com.mcb.stjohnsemschool.activity.GalleryAlbumsActivity";
    public static Activity mActivityObj;
    private GalleryAdapter adapter;
    private boolean allowMultiple;
    private ArrayList<BucketEntry> bucketList = null;
    private ArrayList<String> filePaths = new ArrayList<>();
    private GridView galleryGridView;

    protected void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        setContentView(R.layout.activity_gridview);
        GridView gridView = (GridView) findViewById(2131362588);
        this.galleryGridView = gridView;
        gridView.setOnItemClickListener(this);
        mActivityObj = this;
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle("Mobile Gallery");
        this.filePaths = getIntent().getExtras().getStringArrayList("AlreadySelectedFilePaths");
        this.allowMultiple = getIntent().getBooleanExtra("ALLOW_MULTIPLE", false);
        getGalleryImages();
    }

    private void getGalleryImages() {
        Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        Cursor query = getContentResolver().query(uri, new String[]{"bucket_id", "_id", "bucket_display_name", "datetaken", "_data"}, null, null, BUCKET_ORDER_BY);
        this.bucketList = new ArrayList<>();
        ArrayList arrayList = new ArrayList();
        if (query.moveToFirst()) {
            int columnIndex = query.getColumnIndex("bucket_display_name");
            int columnIndex2 = query.getColumnIndex("datetaken");
            int columnIndex3 = query.getColumnIndex("bucket_id");
            int columnIndex4 = query.getColumnIndex("_data");
            do {
                String string = query.getString(columnIndex);
                if (string != null && string.length() > 0 && !string.equalsIgnoreCase("null") && !arrayList.contains(string)) {
                    String string2 = query.getString(columnIndex2);
                    String string3 = query.getString(columnIndex4);
                    String string4 = query.getString(columnIndex3);
                    arrayList.add(string);
                    BucketEntry bucketEntry = new BucketEntry();
                    bucketEntry.setBucketName(string);
                    bucketEntry.setBucketId(string4);
                    bucketEntry.setImagePath(string3);
                    bucketEntry.setDateTaken(string2);
                    this.bucketList.add(bucketEntry);
                }
            } while (query.moveToNext());
        }
        ListAdapter galleryAdapter = new GalleryAdapter(getApplicationContext(), R.layout.activity_gridview, this.bucketList);
        this.adapter = galleryAdapter;
        this.galleryGridView.setAdapter(galleryAdapter);
    }

    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int i, long j) {
        Intent intent = new Intent((Context) this, (Class<?>) GalleryAlbumImagesActivity.class);
        BucketEntry bucketEntry = this.bucketList.get(i);
        String bucketName = bucketEntry.getBucketName();
        String bucketId = bucketEntry.getBucketId();
        intent.putStringArrayListExtra("AlreadySelectedFilePaths", this.filePaths);
        intent.putExtra("BUCKET_NAME", bucketName);
        intent.putExtra("BUCKET_ID", bucketId);
        intent.putExtra("ALLOW_MULTIPLE", this.allowMultiple);
        startActivityForResult(intent, 100);
    }

    protected void onActivityResult(int i, int i2, Intent intent) {
        super.onActivityResult(i, i2, intent);
        if (i == 100 && i2 == 100 && intent != null) {
            ArrayList<String> stringArrayListExtra = intent.getStringArrayListExtra("FilePaths");
            Intent intent2 = new Intent();
            intent2.putStringArrayListExtra("FilePaths", stringArrayListExtra);
            setResult(100, intent2);
            finish();
        }
    }

    public boolean onOptionsItemSelected(MenuItem menuItem) {
        if (menuItem.getItemId() == 16908332) {
            onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(menuItem);
    }
}