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display a grid of photos on a directory selection

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This commit is contained in:
tibbi 2016-02-20 21:06:22 +01:00
parent 6ee539eb52
commit 0ab046c8d5
9 changed files with 142 additions and 28 deletions
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8
app/src/main/java/gallery/simplemobiletools/com/MainActivity.java
View file

@ -24,7 +24,7 @@ public class MainActivity extends AppCompatActivity implements OnItemClickListen
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final GridView gridView = (GridView) findViewById(R.id.photo_grid);
final GridView gridView = (GridView) findViewById(R.id.directories_grid);
dirs = new ArrayList<>(getDirectories().values());
final DirectoryAdapter adapter = new DirectoryAdapter(this, dirs);
@ -41,7 +41,8 @@ public class MainActivity extends AppCompatActivity implements OnItemClickListen
if (cursor != null && cursor.moveToFirst()) {
final int pathIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
do {
final File file = new File(cursor.getString(pathIndex));
final String path = cursor.getString(pathIndex);
final File file = new File(path);
final String fileDir = file.getParent().toLowerCase();
if (directories.containsKey(fileDir)) {
@ -49,9 +50,8 @@ public class MainActivity extends AppCompatActivity implements OnItemClickListen
final int newImageCnt = directory.getPhotoCnt() + 1;
directory.setPhotoCnt(newImageCnt);
} else {
final String thumbnail = file.getAbsolutePath();
final String dirName = fileDir.substring(fileDir.lastIndexOf("/") + 1);
directories.put(fileDir, new Directory(fileDir, thumbnail, dirName, 1));
directories.put(fileDir, new Directory(fileDir, path, dirName, 1));
}
} while (cursor.moveToNext());
cursor.close();

38
app/src/main/java/gallery/simplemobiletools/com/PhotosActivity.java
View file

@ -1,15 +1,51 @@
package gallery.simplemobiletools.com;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
public class PhotosActivity extends AppCompatActivity {
import java.util.ArrayList;
import java.util.List;
public class PhotosActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_photos);
final GridView gridView = (GridView) findViewById(R.id.photos_grid);
final PhotosAdapter adapter = new PhotosAdapter(this, getPhotos());
gridView.setAdapter(adapter);
gridView.setOnItemClickListener(this);
}
private List<String> getPhotos() {
final List<String> photos = new ArrayList<>();
final String path = getIntent().getStringExtra(Constants.DIRECTORY);
final Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
final String where = MediaStore.Images.Media.DATA + " like ? ";
final String[] args = new String[]{path + "%"};
final String[] columns = {MediaStore.Images.Media.DATA};
final Cursor cursor = getContentResolver().query(uri, columns, where, args, null);
if (cursor != null && cursor.moveToFirst()) {
final int pathIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
do {
photos.add(cursor.getString(pathIndex));
} while (cursor.moveToNext());
cursor.close();
}
return photos;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
}
}

64
app/src/main/java/gallery/simplemobiletools/com/PhotosAdapter.java Normal file
View file

@ -0,0 +1,64 @@
package gallery.simplemobiletools.com;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import com.bumptech.glide.Glide;
import java.util.List;
public class PhotosAdapter extends BaseAdapter {
private final Context context;
private final List<String> photos;
private final LayoutInflater inflater;
public PhotosAdapter(Context context, List<String> photos) {
this.context = context;
this.photos = photos;
this.inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public View getView(int position, View view, ViewGroup parent) {
ViewHolder holder;
if (view == null) {
view = inflater.inflate(R.layout.photo_item, parent, false);
holder = new ViewHolder(view);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
String path = photos.get(position);
Glide.with(context).load(path).centerCrop().crossFade().into(holder.photoThumbnail);
return view;
}
@Override
public int getCount() {
return photos.size();
}
@Override
public Object getItem(int position) {
return photos.get(position);
}
@Override
public long getItemId(int position) {
return 0;
}
static class ViewHolder {
ImageView photoThumbnail;
public ViewHolder(View view) {
photoThumbnail = (ImageView) view.findViewById(R.id.photo_thumbnail);
}
}
}

24
app/src/main/res/layout/activity_main.xml
View file

@ -1,18 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
<GridView
android:id="@+id/directories_grid"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black">
<GridView
android:id="@+id/photo_grid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:columnWidth="@dimen/photo_size"
android:horizontalSpacing="2dp"
android:numColumns="auto_fit"
android:stretchMode="columnWidth"
android:verticalSpacing="2dp"/>
</RelativeLayout>
android:layout_height="wrap_content"
android:background="@android:color/black"
android:columnWidth="@dimen/dir_tmb_size"
android:horizontalSpacing="1dp"
android:numColumns="auto_fit"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"/>

12
app/src/main/res/layout/activity_photos.xml
View file

@ -1,8 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
<GridView
android:id="@+id/photos_grid"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black">
</RelativeLayout>
android:background="@android:color/black"
android:columnWidth="@dimen/photo_tmb_size"
android:horizontalSpacing="1dp"
android:numColumns="auto_fit"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"/>

7
app/src/main/res/layout/directory_item.xml
View file

@ -2,13 +2,13 @@
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_height="match_parent"
android:background="@color/tmb_background">
<gallery.simplemobiletools.com.MyImageView
android:id="@+id/dir_thumbnail"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"/>
android:layout_height="match_parent"/>
<RelativeLayout
android:layout_width="match_parent"
@ -33,5 +33,6 @@
android:layout_height="wrap_content"
android:layout_below="@id/dir_name"
android:textColor="@android:color/white"/>
</RelativeLayout>
</RelativeLayout>

13
app/src/main/res/layout/photo_item.xml Normal file
View file

@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/tmb_background">
<gallery.simplemobiletools.com.MyImageView
android:id="@+id/photo_thumbnail"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</FrameLayout>

1
app/src/main/res/values/colors.xml
View file

@ -3,4 +3,5 @@
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#FF4081</color>
<color name="tmb_background">#ff222222</color>
</resources>

3
app/src/main/res/values/dimens.xml
View file

@ -1,4 +1,5 @@
<resources>
<dimen name="activity_margin">16dp</dimen>
<dimen name="photo_size">150dp</dimen>
<dimen name="dir_tmb_size">150dp</dimen>
<dimen name="photo_tmb_size">100dp</dimen>
</resources>