1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
package com.android.launcher3;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.Map;
import android.app.Activity;
import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
public class IconPickerActivity extends Activity {
public static final String SELECTED_RESOURCE_EXTRA = "selected_resource";
public static final String SELECTED_BITMAP_EXTRA = "bitmap";
public static final String PACKAGE_NAME_EXTRA = "package";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ActivityManager activityManager =
(ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
int iconSize = activityManager.getLauncherLargeIconSize();
final String pkgName = getIntent().getStringExtra(PACKAGE_NAME_EXTRA);
GridView gridview = new GridView(this);
gridview.setNumColumns(GridView.AUTO_FIT);
gridview.setHorizontalSpacing(40);
gridview.setVerticalSpacing(40);
gridview.setPadding(20, 20, 20, 0);
gridview.setFastScrollEnabled(true);
gridview.setColumnWidth(iconSize);
gridview.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
gridview.setAdapter(new ImageAdapter(this, pkgName));
gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View v, int position, long id) {
Intent in = new Intent();
DrawableInfo d = (DrawableInfo) adapterView.getAdapter().getItem(position);
in.putExtra(SELECTED_RESOURCE_EXTRA, pkgName + "|" + d.resource_name);
in.putExtra(SELECTED_BITMAP_EXTRA, ((BitmapDrawable)d.drawable.get()).getBitmap());
setResult(Activity.RESULT_OK, in);
finish();
}
});
setContentView(gridview);
}
public class ImageAdapter extends BaseAdapter {
private Context mContext;
private Resources mResources;
private ArrayList<DrawableInfo> mDrawables = new ArrayList<DrawableInfo>();
public class FetchDrawable extends AsyncTask<Integer, Void, Drawable> {
WeakReference<ImageView> mImageView;
FetchDrawable(ImageView imgView) {
mImageView = new WeakReference<ImageView>(imgView);
}
@Override
protected Drawable doInBackground(Integer... position) {
DrawableInfo info = getItem(position[0]);
int itemId = info.resource_id;
Drawable d = mResources.getDrawable(itemId);
info.drawable = new WeakReference<Drawable>(d);
return d;
}
@Override
public void onPostExecute(Drawable result) {
if (mImageView.get() != null) {
mImageView.get().setImageDrawable(result);
}
}
}
public ImageAdapter(Context c, String pkgName) {
mContext = c;
Map<String, String> resources = IconPackHelper.getIconPackResources(c, pkgName);
try {
mResources = c.getPackageManager().getResourcesForApplication(pkgName);
LinkedHashSet<String> drawables = new LinkedHashSet<String>(resources.values());
for (String s : drawables) {
int id = mResources.getIdentifier(s, "drawable", pkgName);
if (id != 0) {
mDrawables.add(new DrawableInfo(s, id));
}
}
} catch (NameNotFoundException e) {
}
}
public int getCount() {
return mDrawables.size();
}
public DrawableInfo getItem(int position) {
return mDrawables.get(position);
}
public long getItemId(int position) {
return 0;
}
public View getView(final int position, View convertView, ViewGroup parent) {
final ImageView imageView;
if (convertView == null) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(
GridView.LayoutParams.WRAP_CONTENT, GridView.LayoutParams.WRAP_CONTENT));
imageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
} else {
imageView = (ImageView) convertView;
Object tag = imageView.getTag();
if (tag != null && tag instanceof FetchDrawable) {
((FetchDrawable) tag).cancel(true);
}
}
FetchDrawable req = new FetchDrawable(imageView);
imageView.setTag(req);
req.execute(position);
return imageView;
}
}
private class DrawableInfo {
WeakReference<Drawable> drawable;
final String resource_name;
final int resource_id;
DrawableInfo(String n, int i) {
resource_name = n;
resource_id = i;
}
}
}
|
