/
DrawablePickerActivity.java
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/
DrawablePickerActivity.java
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package com.ximsfei.skindemo.picker;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.ActivityCompat;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.appcompat.widget.Toolbar;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ImageView;
import com.bumptech.glide.Glide;
import com.ximsfei.skindemo.BaseActivity;
import com.ximsfei.skindemo.R;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.List;
import skin.support.SkinCompatManager;
import skin.support.content.res.SkinCompatUserThemeManager;
public class DrawablePickerActivity extends BaseActivity {
private Toolbar mToolbar;
private DrawablePickerAdapter mAdapter;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_drawable_picker);
mToolbar = findViewById(R.id.toolbar);
mToolbar.setTitle("Drawable Picker");
mToolbar.setSubtitle("Define your exclusive application.");
RecyclerView recyclerView = findViewById(R.id.recycler_view);
mAdapter = new DrawablePickerAdapter();
mAdapter.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
SkinCompatUserThemeManager.get().addDrawablePath(R.drawable.windowBackground, mAdapter.getItem(position));
SkinCompatManager.getInstance().notifyUpdateSkin();
}
});
recyclerView.setAdapter(mAdapter);
recyclerView.setLayoutManager(new GridLayoutManager(DrawablePickerActivity.this, 3));
Button clear = findViewById(R.id.clear);
clear.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SkinCompatUserThemeManager.get().clearDrawables();
}
});
Button apply = findViewById(R.id.apply);
apply.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
SkinCompatUserThemeManager.get().apply();
}
});
if (ActivityCompat.checkSelfPermission(this, "android.permission.WRITE_EXTERNAL_STORAGE")
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{"android.permission.WRITE_EXTERNAL_STORAGE"}, 1000);
} else {
loadData();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 1000) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
loadData();
}
}
}
private void loadData() {
new ResolvePicTask(mAdapter).execute();
}
private static class ResolvePicTask extends AsyncTask<Void, Void, List<String>> {
private final DrawablePickerAdapter mAdapter;
public ResolvePicTask(DrawablePickerAdapter adapter) {
mAdapter = adapter;
}
@Override
protected List<String> doInBackground(Void... voids) {
String cameraDirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "DCIM" + File.separator + "Camera";
File[] files = new File(cameraDirPath).listFiles(new FileFilter() {
@Override
public boolean accept(File pathname) {
return pathname.getName().endsWith(".jpg") || pathname.getName().endsWith(".png");
}
});
List<String> list = new ArrayList<>();
if (files != null && files.length > 0) {
for (File file : files) {
list.add(file.getAbsolutePath());
}
}
return list;
}
@Override
protected void onPostExecute(List<String> pathList) {
super.onPostExecute(pathList);
if (pathList != null && pathList.size() > 0) {
mAdapter.setItems(pathList);
}
}
}
private class DrawablePickerAdapter extends BaseRecyclerAdapter<String, DrawablePickerViewHolder> {
@NonNull
@Override
public DrawablePickerViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = getLayoutInflater().inflate(R.layout.item_drawable_picker_layout, parent, false);
return new DrawablePickerViewHolder(view, this);
}
@Override
public void onBindViewHolder(@NonNull DrawablePickerViewHolder holder, int position) {
Glide.with(DrawablePickerActivity.this).load(getItem(position)).into(holder.mImage);
}
}
private static class DrawablePickerViewHolder extends BaseRecyclerAdapter.BaseViewHolder<DrawablePickerAdapter> {
private final ImageView mImage;
public DrawablePickerViewHolder(View itemView, DrawablePickerAdapter adapter) {
super(itemView, adapter);
mImage = (ImageView) itemView;
}
}
}