MainActivity：
1 package com.zzw.qqgroup;
2
3 import java.util.ArrayList;
4 import java.util.HashMap;
5 import java.util.List;
6
7 import android.app.ListActivity;
8 import android.content.Context;
9 import android.graphics.Color;
10 import android.os.Bundle;
11 import android.util.Log;
12 import android.view.LayoutInflater;
13 import android.view.View;
14 import android.view.ViewGroup;
15 import android.widget.ArrayAdapter;
16 import android.widget.ListView;
17 import android.widget.TextView;
18
19 public class MainActivity extends ListActivity {
20 private static final String TAG = "MainActivity";
21 private final String DATA = "data";
22 private final String TYPE = "type";
23
24 private final int VIEW_TYPE_COUNT = 2;
25 private final int GROUP = -2;
26 private final int ITEM = -3;
27
28 private int count = 0;
29
30 @Override
31 protected void onCreate(Bundle savedInstanceState) {
32 super.onCreate(savedInstanceState);
33
34 ListView listView = this.getListView();
35 ArrayList<HashMap<String, Object>> items = init();
36
37 listView.setAdapter(new MyAdapter(this, -1, -1, items));
38 }
39
40 private ArrayList<HashMap<String, Object>> init() {
41 Log.d(TAG, "添加数据开始");
42 ArrayList<HashMap<String, Object>> arrayList = new ArrayList<HashMap<String, Object>>();
43
44 String groups[] = { "我的好友", "同学", "亲人", "朋友", "同事" };
45 String datas[] = { "张三", "李四", "王二", "麻子" };
46 for (String group_data : groups) {
47
48 HashMap<String, Object> group_map = new HashMap<String, Object>();
49 group_map.put(DATA, group_data);
50 group_map.put(TYPE, GROUP);
51 arrayList.add(group_map);
52
53 for (String datas_data : datas) {
54 HashMap<String, Object> data_map = new HashMap<String, Object>();
55 data_map.put(TYPE, ITEM);
56 data_map.put(DATA, "数据:" + datas_data + (count++));
57 arrayList.add(data_map);
58 }
59 }
60 Log.d(TAG, "添加数据成功");
61 return arrayList;
62 }
63
64 private class MyAdapter extends ArrayAdapter {
65
66 private Context context;
67 private ArrayList<HashMap<String, Object>> items;
68
69 private LayoutInflater falter;
70
71 public MyAdapter(Context context, int resource, int textViewResourceId, List items) {
72 super(context, resource, textViewResourceId, items);
73 Log.d(TAG, "Adapter初始化开始");
74 this.items = (ArrayList<HashMap<String, Object>>) items;
75 this.context = context;
76
77 falter = LayoutInflater.from(context);
78 Log.d(TAG, "Adapter初始化成功");
79 }
80
81 @Override
82 public int getCount() {
83 Log.d(TAG, "得到count---" + items.size());
84 return items.size();
85 }
86
87 @Override
88 public int getItemViewType(int position) {
89 HashMap<String, Object> map = items.get(position);
90 return (Integer) map.get(TYPE);
91 }
92
93 @Override
94 public View getView(int position, View convertView, ViewGroup parent) {
95 Log.d(TAG, "getView开始");
96 int type = getItemViewType(position);
97 String data = items.get(position).get(DATA) + "";
98 Log.d(TAG, "获取数据:" + data);
99 switch (type) {
100 case GROUP:
101 if (convertView == null) {
102 convertView = falter.inflate(R.layout.item, null);
103 }
104 TextView group = (TextView) convertView.findViewById(R.id.textView);
105 group.setText(data + "");
106 group.setTextColor(Color.RED);
107 break;
108
109 case ITEM:
110 if (convertView == null) {
111 convertView = falter.inflate(R.layout.item_1, null);
112 }
113 TextView datas = (TextView) convertView.findViewById(R.id.textView);
114 datas.setText(data);
115 datas.setTextColor(Color.GREEN);
116 break;
117 }
118
119 return convertView;
120 }
121
122 @Override
123 public int getViewTypeCount() {
124 return VIEW_TYPE_COUNT;
125 }
126
127 }
128 }
CircleImageView:
1 package com.zzw.qqgroup;
2
3 import android.content.Context;
4 import android.content.res.TypedArray;
5 import android.graphics.Bitmap;
6 import android.graphics.BitmapShader;
7 import android.graphics.Canvas;
8 import android.graphics.Color;
9 import android.graphics.Matrix;
10 import android.graphics.Paint;
11 import android.graphics.Paint.Align;
12 import android.graphics.Rect;
13 import android.graphics.RectF;
14 import android.graphics.Shader;
15 import android.graphics.SweepGradient;
16 import android.graphics.drawable.BitmapDrawable;
17 import android.graphics.drawable.ColorDrawable;
18 import android.graphics.drawable.Drawable;
19 import android.net.Uri;
20 import android.text.TextPaint;
21 import android.util.AttributeSet;
22 import android.util.FloatMath;
23 import android.widget.ImageView;
24
25 /**
26 * @author Phil
27 *
28 */
29 public class CircleImageView extends ImageView {
30
31 private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;
32
33 private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
34 private static final int COLORDRAWABLE_DIMENSION = 2;
35
36 // 圆形边框的厚度默认值。
37 // 如果是0，则没有天蓝色渐变的边框。
38 private static final int DEFAULT_BORDER_WIDTH = 1;
39
40 private static final int DEFAULT_BORDER_COLOR = Color.BLACK;
41
42 private final RectF mDrawableRect = new RectF();
43 private final RectF mBorderRect = new RectF();
44
45 private final Matrix mShaderMatrix = new Matrix();
46 private final Paint mBitmapPaint = new Paint();
47 private final Paint mBorderPaint = new Paint();
48
49 private int mBorderColor = DEFAULT_BORDER_COLOR;
50 private int mBorderWidth = DEFAULT_BORDER_WIDTH;
51
52 private Bitmap mBitmap;
53 private BitmapShader mBitmapShader;
54 private int mBitmapWidth;
55 private int mBitmapHeight;
56
57 private float mDrawableRadius;
58 private float mBorderRadius;
59
60 private boolean mReady;
61 private boolean mSetupPending;
62 private final Paint mFlagBackgroundPaint = new Paint();
63 private final TextPaint mFlagTextPaint = new TextPaint();
64 private String mFlagText;
65 private boolean mShowFlag = false;
66 private Rect mFlagTextBounds = new Rect();
67
68 Shader mSweepGradient = null;
69
70 public CircleImageView(Context context) {
71 super(context);
72
73 init();
74 }
75
76 public CircleImageView(Context context, AttributeSet attrs) {
77 this(context, attrs, 0);
78 }
79
80 public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
81 super(context, attrs, defStyle);
82
83 // TypedArray a = context.obtainStyledAttributes(attrs,
84 // R.styleable.CircleImageView, defStyle, 0);
85 //
86 // mBorderWidth =
87 // a.getDimensionPixelSize(R.styleable.CircleImageView_border_width,
88 // DEFAULT_BORDER_WIDTH);
89 // mBorderColor = a.getColor(R.styleable.CircleImageView_border_color,
90 // DEFAULT_BORDER_COLOR);
91 //
92 // a.recycle();
93
94 init();
95 }
96
97 private void init() {
98 super.setScaleType(SCALE_TYPE);
99 mReady = true;
100
101 if (mSetupPending) {
102 setup();
103 mSetupPending = false;
104 }
105 }
106
107 @Override
108 public ScaleType getScaleType() {
109 return SCALE_TYPE;
110 }
111
112 @Override
113 public void setScaleType(ScaleType scaleType) {
114 if (scaleType != SCALE_TYPE) {
115 throw new IllegalArgumentException(String.format(
116 "ScaleType %s not supported.", scaleType));
117 }
118 }
119
120 @Override
121 public void setAdjustViewBounds(boolean adjustViewBounds) {
122 if (adjustViewBounds) {
123 throw new IllegalArgumentException(
124 "adjustViewBounds not supported.");
125 }
126 }
127
128 @Override
129 protected void onDraw(Canvas canvas) {
130 if (getDrawable() == null) {
131 return;
132 }
133
134 canvas.drawCircle(getWidth() / 2, getHeight() / 2, mDrawableRadius,
135 mBitmapPaint);
136 if (mBorderWidth != 0) {
137 canvas.save();
138 canvas.rotate(20, getWidth() / 2, getHeight() / 2);
139 canvas.drawCircle(getWidth() / 2, getHeight() / 2, mBorderRadius,
140 mBorderPaint);
141 canvas.restore();
142 }
143
144 if (mShowFlag && mFlagText != null) {
145 canvas.drawArc(mBorderRect, 40, 100, false, mFlagBackgroundPaint);
146 mFlagTextPaint.getTextBounds(mFlagText, 0, mFlagText.length(),
147 mFlagTextBounds);
148 canvas.drawText(mFlagText, getWidth() / 2,
149 (3 + FloatMath.cos((float) (Math.PI * 5 / 18)))
150 * getHeight() / 4 + mFlagTextBounds.height() / 3,
151 mFlagTextPaint);
152 }
153
154 }
155
156 @Override
157 protected void onSizeChanged(int w, int h, int oldw, int oldh) {
158 super.onSizeChanged(w, h, oldw, oldh);
159 setup();
160 }
161
162 public int getBorderColor() {
163 return mBorderColor;
164 }
165
166 public void setBorderColor(int borderColor) {
167 if (borderColor == mBorderColor) {
168 return;
169 }
170
171 mBorderColor = borderColor;
172 mBorderPaint.setColor(mBorderColor);
173 invalidate();
174 }
175
176 public int getBorderWidth() {
177 return mBorderWidth;
178 }
179
180 /**
181 * @param borderWidth
182 * 圆形的边框厚度。
183 */
184 public void setBorderWidth(int borderWidth) {
185 if (borderWidth == mBorderWidth) {
186 return;
187 }
188
189 mBorderWidth = borderWidth;
190 setup();
191 }
192
193 @Override
194 public void setImageBitmap(Bitmap bm) {
195 super.setImageBitmap(bm);
196 mBitmap = bm;
197 setup();
198 }
199
200 @Override
201 public void setImageDrawable(Drawable drawable) {
202 super.setImageDrawable(drawable);
203 mBitmap = getBitmapFromDrawable(drawable);
204 setup();
205 }
206
207 @Override
208 public void setImageResource(int resId) {
209 super.setImageResource(resId);
210 mBitmap = getBitmapFromDrawable(getDrawable());
211 setup();
212 }
213
214 @Override
215 public void setImageURI(Uri uri) {
216 super.setImageURI(uri);
217 mBitmap = getBitmapFromDrawable(getDrawable());
218 setup();
219 }
220
221 private Bitmap getBitmapFromDrawable(Drawable drawable) {
222 if (drawable == null) {
223 return null;
224 }
225
226 if (drawable instanceof BitmapDrawable) {
227 return ((BitmapDrawable) drawable).getBitmap();
228 }
229
230 try {
231 Bitmap bitmap;
232
233 if (drawable instanceof ColorDrawable) {
234 bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION,
235 COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
236 } else {
237 bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
238 drawable.getIntrinsicHeight(), BITMAP_CONFIG);
239 }
240
241 Canvas canvas = new Canvas(bitmap);
242 drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
243 drawable.draw(canvas);
244 return bitmap;
245 } catch (OutOfMemoryError e) {
246 return null;
247 }
248 }
249
250 private void setup() {
251 if (!mReady) {
252 mSetupPending = true;
253 return;
254 }
255
256 if (mBitmap == null) {
257 return;
258 }
259
260 mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP,
261 Shader.TileMode.CLAMP);
262
263 mBitmapPaint.setAntiAlias(true);
264 mBitmapPaint.setShader(mBitmapShader);
265
266 mBorderPaint.setStyle(Paint.Style.STROKE);
267 mBorderPaint.setAntiAlias(true);
268 mBorderPaint.setColor(mBorderColor);
269 mBorderPaint.setStrokeWidth(mBorderWidth);
270
271 mBitmapHeight = mBitmap.getHeight();
272 mBitmapWidth = mBitmap.getWidth();
273
274 mBorderRect.set(0, 0, getWidth(), getHeight());
275 mBorderRadius = Math.min((mBorderRect.height() - mBorderWidth) / 2,
276 (mBorderRect.width() - mBorderWidth) / 2);
277
278 mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width()
279 - mBorderWidth, mBorderRect.height() - mBorderWidth);
280 mDrawableRadius = Math.min(mDrawableRect.height() / 2,
281 mDrawableRect.width() / 2);
282
283 mFlagBackgroundPaint.setColor(Color.BLACK & 0x66FFFFFF);
284 mFlagBackgroundPaint.setFlags(TextPaint.ANTI_ALIAS_FLAG);
285
286 mFlagTextPaint.setFlags(TextPaint.ANTI_ALIAS_FLAG);
287 mFlagTextPaint.setTextAlign(Align.CENTER);
288 mFlagTextPaint.setColor(Color.WHITE);
289 mFlagTextPaint
290 .setTextSize(getResources().getDisplayMetrics().density * 18);
291
292 mSweepGradient = new SweepGradient(getWidth() / 2, getHeight() / 2,
293 new int[] { Color.rgb(255, 255, 255), Color.rgb(1, 209, 255) },
294 null);
295
296 mBorderPaint.setShader(mSweepGradient);
297
298 updateShaderMatrix();
299 invalidate();
300 }
301
302 private void updateShaderMatrix() {
303 float scale;
304 float dx = 0;
305 float dy = 0;
306
307 mShaderMatrix.set(null);
308
309 if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width()
310 * mBitmapHeight) {
311 scale = mDrawableRect.height() / (float) mBitmapHeight;
312 dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;
313 } else {
314 scale = mDrawableRect.width() / (float) mBitmapWidth;
315 dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;
316 }
317
318 mShaderMatrix.setScale(scale, scale);
319 mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth,
320 (int) (dy + 0.5f) + mBorderWidth);
321
322 mBitmapShader.setLocalMatrix(mShaderMatrix);
323 }
324
325 public void setShowFlag(boolean show) {
326 mShowFlag = show;
327 invalidate();
328 }
329
330 public void setFlagText(String text) {
331 mFlagText = text;
332 invalidate();
333 }
334 }
CircleImageView
xml:
item:
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" > 6 7 <com.zzw.qqgroup.CircleImageView 8 9 android:id="@+id/circleImageView1" 10 android:layout_width="wrap_content" 11 android:layout_height="wrap_content" 12 android:src="@drawable/ic_launcher" /> 13 14 <TextView 15 android:id="@+id/textView" 16 android:layout_width="wrap_content" 17 android:layout_height="wrap_content" 18 android:layout_alignBottom="@+id/circleImageView1" 19 android:layout_alignParentRight="true" 20 android:layout_alignParentTop="true" 21 android:layout_marginLeft="37dp" 22 android:textSize="37sp" 23 24 android:layout_toRightOf="@+id/circleImageView1" 25 android:text="TextView" /> 26 27 </RelativeLayout>
item_1:
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" > 6 7 <com.zzw.qqgroup.CircleImageView 8 android:id="@+id/circleImageView1" 9 android:layout_width="wrap_content" 10 android:layout_height="wrap_content" 11 android:src="@drawable/ic_launcher" /> 12 13 <TextView 14 android:id="@+id/textView" 15 android:layout_width="wrap_content" 16 android:layout_height="wrap_content" 17 android:textSize="30sp" 18 android:layout_alignBottom="@+id/circleImageView1" 19 android:layout_alignParentRight="true" 20 android:layout_toRightOf="@+id/circleImageView1" /> 21 22 </RelativeLayout>
时间： 2024-08-25 12:30:04