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添加滚动到顶部悬浮按钮及置顶图标样式优化

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- 主窗口和相册集浏览窗口添加滚动到顶部悬浮按钮
- 当滚动超过一页时自动显示按钮，点击返回顶部
- 相册集浏览窗口置顶图标添加圆形半透明白色背景
- 圆形背景添加1dp黑色边框，图标为黑色
This commit is contained in:
ZhangShaojian
2026-04-26 10:10:09 +08:00
parent 4a267d5606
commit 226cbf43fe
7 changed files with 118 additions and 25 deletions
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29
gallery/src/main/java/cc/winboll/studio/gallery/AlbumActivity.java
View File

@@ -8,6 +8,7 @@ import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
@@ -16,6 +17,7 @@ import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.ArrayList;
import cc.winboll.studio.libappbase.LogUtils;
@@ -30,6 +32,8 @@ public class AlbumActivity extends AppCompatActivity {
private ImageAdapter adapter;
private String albumPath;
private String albumName;
private FloatingActionButton fabScrollTop;
private RecyclerView.OnScrollListener scrollListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -51,6 +55,31 @@ public class AlbumActivity extends AppCompatActivity {
adapter.setContext(this);
recyclerView.setAdapter(adapter);
fabScrollTop = findViewById(R.id.fab_scroll_top);
fabScrollTop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
recyclerView.scrollToPosition(0);
}
});
scrollListener = new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
GridLayoutManager layoutManager = (GridLayoutManager) recyclerView.getLayoutManager();
if (layoutManager != null) {
int firstVisible = layoutManager.findFirstVisibleItemPosition();
if (firstVisible > 0) {
fabScrollTop.setVisibility(View.VISIBLE);
} else {
fabScrollTop.setVisibility(View.GONE);
}
}
}
};
recyclerView.addOnScrollListener(scrollListener);
adapter.setOnImageClickListener(new OnImageClickListener() {
@Override
public void onImageClick(int position, ArrayList<Uri> urls, ArrayList<String> paths) {

27
gallery/src/main/java/cc/winboll/studio/gallery/MainActivity.java
View File

@@ -14,6 +14,7 @@ import android.provider.MediaStore;
import android.provider.Settings;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
@@ -22,6 +23,7 @@ import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import cc.winboll.studio.gallery.AlbumAdapter.OnAlbumClickListener;
import cc.winboll.studio.libappbase.LogUtils;
import cc.winboll.studio.libappbase.LogActivity;
@@ -37,6 +39,7 @@ public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private AlbumAdapter adapter;
private Preferences prefs;
private FloatingActionButton fabScrollTop;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -55,6 +58,30 @@ public class MainActivity extends AppCompatActivity {
adapter.setContext(this);
recyclerView.setAdapter(adapter);
fabScrollTop = findViewById(R.id.fab_scroll_top);
fabScrollTop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
recyclerView.scrollToPosition(0);
}
});
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
GridLayoutManager layoutManager = (GridLayoutManager) recyclerView.getLayoutManager();
if (layoutManager != null) {
int firstVisible = layoutManager.findFirstVisibleItemPosition();
if (firstVisible > 0) {
fabScrollTop.setVisibility(View.VISIBLE);
} else {
fabScrollTop.setVisibility(View.GONE);
}
}
}
});
adapter.setOnAlbumClickListener(new OnAlbumClickListener() {
@Override
public void onAlbumClick(Album album) {