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DrownCoderDrownCoder
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优化代码结构，优化重复创建对象
1 parent 246b61e commit 30d9400

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3 files changed

+114
-75
lines changed

3 files changed

+114
-75
lines changed

‎app/src/main/java/com/study/xuan/easytextview/MainActivity.java‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,6 @@
11
package com.study.xuan.easytextview;
22

3+
import android.graphics.Color;
34
import android.support.v7.app.AppCompatActivity;
45
import android.os.Bundle;
56
import android.view.View;
@@ -16,6 +17,9 @@ protected void onCreate(Bundle savedInstanceState) {
1617
textView.setOnClickListener(new View.OnClickListener() {
1718
@Override
1819
public void onClick(View v) {
20+
textView.setTextLeftColor(Color.parseColor("#ff9374"));
21+
textView.setTextLeftSize(24);
22+
//textView.setTextRightSize(24);
1923

2024
}
2125
});

‎app/src/main/res/layout/activity_main.xml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,7 +16,7 @@
1616
android:text="@string/icon_font_home"
1717
app:textRight="99.9万"
1818
app:textPadding="12dp"
19-
app:textRightSize="10dp"
19+
android:clickable="true"
2020
app:textRightColor="@color/selector_feed_user_state_color"
2121
app:textLeftColor="@color/selector_feed_user_state_color2"
2222
app:iconColor="@color/selector_feed_user_state_color3"

‎library/src/main/java/com/study/xuan/library/widget/EasyTextView.java‎

Lines changed: 109 additions & 74 deletions
Original file line numberDiff line numberDiff line change
@@ -51,6 +51,8 @@ public class EasyTextView extends TextView {
5151
private int mCurRightColor;
5252
private float mLeftSize;
5353
private float mRightSize;
54+
55+
private SpannableStringBuilder mStringBuilder;
5456
//icon的index
5557
private int iconIndex = 0;
5658

@@ -65,6 +67,8 @@ public EasyTextView(Context context, @Nullable AttributeSet attrs) {
6567
public EasyTextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
6668
super(context, attrs, defStyleAttr);
6769
this.mContext = context;
70+
mStringBuilder = new SpannableStringBuilder();
71+
6872
initAttr(context, attrs);
6973
init();
7074
}
@@ -82,99 +86,120 @@ private void initIconFont() {
8286
}
8387
iconString = getText().toString();
8488
if (!TextUtils.isEmpty(mTextLeft) || !TextUtils.isEmpty(mTextRight)) {
85-
SpannableStringBuilder stringBuilder = new SpannableStringBuilder(getText());
89+
mStringBuilder.append(getText());
8690
//增加空格
8791
if (!TextUtils.isEmpty(mTextLeft)) {
8892
if (mTextPadding != 0) {
89-
stringBuilder.insert(0, EMPTY_SPACE);
93+
mStringBuilder.insert(0, EMPTY_SPACE);
9094
iconIndex++;
9195
}
92-
stringBuilder.insert(0, mTextLeft);
96+
mStringBuilder.insert(0, mTextLeft);
9397
iconIndex += mTextLeft.length();
9498
}
9599

96100
if (!TextUtils.isEmpty(mTextRight)) {
97101
if (mTextPadding != 0) {
98-
stringBuilder.append(EMPTY_SPACE);
102+
mStringBuilder.append(EMPTY_SPACE);
99103
}
100-
stringBuilder.append(mTextRight);
104+
mStringBuilder.append(mTextRight);
101105
}
102-
if (mTextPadding != 0) {
103-
//设置字和icon间距
104-
if (!TextUtils.isEmpty(mTextLeft)) {
105-
AbsoluteSizeSpan sizeSpan = new AbsoluteSizeSpan((int) mTextPadding);
106-
stringBuilder.setSpan(sizeSpan, iconIndex - 1, iconIndex, Spanned
107-
.SPAN_EXCLUSIVE_EXCLUSIVE);
108-
}
106+
initTextPadding(mStringBuilder);
107+
//设置icon和字的颜色
108+
initIconColor(mStringBuilder);
109+
initLeftTextColor(mStringBuilder);
110+
initRightColor(mStringBuilder);
109111

110-
if (!TextUtils.isEmpty(mTextRight)) {
111-
AbsoluteSizeSpan sizeSpan = new AbsoluteSizeSpan((int) mTextPadding);
112-
stringBuilder.setSpan(sizeSpan, iconIndex + 1, iconIndex + 2, Spanned
113-
.SPAN_EXCLUSIVE_EXCLUSIVE);
114-
}
112+
//设置字的大小
113+
initLeftTextSize(mStringBuilder);
114+
initRightTextSize(mStringBuilder);
115115

116-
}
117-
//设置icon和字的颜色
118-
if (mIconColor != null) {
119-
int color = mIconColor.getColorForState(getDrawableState(), 0);
120-
if (color != mCurIconColor) {
121-
mCurIconColor = color;
122-
}
123-
ForegroundColorSpan foregroundColorSpan = new ForegroundColorSpan(mCurIconColor);
124-
stringBuilder.setSpan(foregroundColorSpan, iconIndex, iconIndex + 1, Spanned
116+
setText(mStringBuilder);
117+
}
118+
}
119+
120+
private void initTextPadding(SpannableStringBuilder mStringBuilder) {
121+
if (mTextPadding != 0) {
122+
//设置字和icon间距
123+
if (!TextUtils.isEmpty(mTextLeft)) {
124+
AbsoluteSizeSpan sizeSpan = new AbsoluteSizeSpan((int) mTextPadding);
125+
mStringBuilder.setSpan(sizeSpan, iconIndex - 1, iconIndex, Spanned
125126
.SPAN_EXCLUSIVE_EXCLUSIVE);
126127
}
127128

128-
if (!TextUtils.isEmpty(mTextLeft) && mLeftColor != null) {
129-
int color = mLeftColor.getColorForState(getDrawableState(), 0);
130-
if (color != mCurLeftColor) {
131-
mCurLeftColor = color;
132-
}
133-
int end = mTextPadding == 0 ? iconIndex : iconIndex - 1;
134-
ForegroundColorSpan foregroundLeftColor = new ForegroundColorSpan(mCurLeftColor);
135-
stringBuilder.setSpan(foregroundLeftColor, 0, end, Spanned
129+
if (!TextUtils.isEmpty(mTextRight)) {
130+
AbsoluteSizeSpan sizeSpan = new AbsoluteSizeSpan((int) mTextPadding);
131+
mStringBuilder.setSpan(sizeSpan, iconIndex + 1, iconIndex + 2, Spanned
136132
.SPAN_EXCLUSIVE_EXCLUSIVE);
137133
}
138134

139-
if (!TextUtils.isEmpty(mTextRight) && mRightColor != null) {
140-
int color = mRightColor.getColorForState(getDrawableState(), 0);
141-
if (color != mCurRightColor) {
142-
mCurRightColor = color;
143-
}
144-
int start = mTextPadding == 0 ? iconIndex + 1 : iconIndex + 2;
145-
ForegroundColorSpan foregroundRightColor = new ForegroundColorSpan(mCurRightColor);
146-
stringBuilder.setSpan(foregroundRightColor, start, stringBuilder.length()
147-
, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
135+
}
136+
}
137+
138+
private void initRightTextSize(SpannableStringBuilder mStringBuilder) {
139+
if (!TextUtils.isEmpty(mTextRight) && mRightSize != 0) {
140+
int start = mTextPadding == 0 ? iconIndex + 1 : iconIndex + 2;
141+
CharacterStyle sizeSpan;
142+
final int gravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
143+
if (gravity == Gravity.CENTER_VERTICAL) {
144+
sizeSpan = new EasyVerticalCenterSpan(mRightSize,mCurRightColor);
145+
}else{
146+
sizeSpan = new AbsoluteSizeSpan((int) mRightSize);
147+
}
148+
mStringBuilder.setSpan(sizeSpan, start, mStringBuilder.length(), Spanned
149+
.SPAN_EXCLUSIVE_EXCLUSIVE);
150+
}
151+
}
152+
153+
private void initLeftTextSize(SpannableStringBuilder mStringBuilder) {
154+
if (!TextUtils.isEmpty(mTextLeft) && mLeftSize != 0) {
155+
int end = mTextPadding == 0 ? iconIndex : iconIndex - 1;
156+
CharacterStyle sizeSpan;
157+
final int gravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
158+
if (gravity == Gravity.CENTER_VERTICAL) {
159+
sizeSpan = new EasyVerticalCenterSpan(mLeftSize,mCurLeftColor);
160+
}else{
161+
sizeSpan = new AbsoluteSizeSpan((int) mLeftSize);
148162
}
163+
mStringBuilder.setSpan(sizeSpan, 0, end, Spanned
164+
.SPAN_EXCLUSIVE_EXCLUSIVE);
165+
}
166+
}
149167

150-
//设置字的大小
151-
if (!TextUtils.isEmpty(mTextLeft) && mLeftSize != 0) {
152-
int end = mTextPadding == 0 ? iconIndex : iconIndex - 1;
153-
CharacterStyle sizeSpan;
154-
final int gravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
155-
if (gravity == Gravity.CENTER_VERTICAL) {
156-
sizeSpan = new EasyVerticalCenterSpan(mLeftSize,mCurLeftColor);
157-
}else{
158-
sizeSpan = new AbsoluteSizeSpan((int) mLeftSize);
159-
}
160-
stringBuilder.setSpan(sizeSpan, 0, end, Spanned
161-
.SPAN_EXCLUSIVE_EXCLUSIVE);
168+
private void initRightColor(SpannableStringBuilder mStringBuilder) {
169+
if (!TextUtils.isEmpty(mTextRight) && mRightColor != null) {
170+
int color = mRightColor.getColorForState(getDrawableState(), 0);
171+
if (color != mCurRightColor) {
172+
mCurRightColor = color;
162173
}
174+
int start = mTextPadding == 0 ? iconIndex + 1 : iconIndex + 2;
175+
ForegroundColorSpan foregroundRightColor = new ForegroundColorSpan(mCurRightColor);
176+
mStringBuilder.setSpan(foregroundRightColor, start, mStringBuilder.length()
177+
, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
178+
}
179+
}
163180

164-
if (!TextUtils.isEmpty(mTextRight) && mRightSize != 0) {
165-
int start = mTextPadding == 0 ? iconIndex + 1 : iconIndex + 2;
166-
CharacterStyle sizeSpan;
167-
final int gravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
168-
if (gravity == Gravity.CENTER_VERTICAL) {
169-
sizeSpan = new EasyVerticalCenterSpan(mRightSize,mCurRightColor);
170-
}else{
171-
sizeSpan = new AbsoluteSizeSpan((int) mRightSize);
172-
}
173-
stringBuilder.setSpan(sizeSpan, start, stringBuilder.length(), Spanned
174-
.SPAN_EXCLUSIVE_EXCLUSIVE);
181+
private void initLeftTextColor(SpannableStringBuilder mStringBuilder) {
182+
if (!TextUtils.isEmpty(mTextLeft) && mLeftColor != null) {
183+
int color = mLeftColor.getColorForState(getDrawableState(), 0);
184+
if (color != mCurLeftColor) {
185+
mCurLeftColor = color;
175186
}
187+
int end = mTextPadding == 0 ? iconIndex : iconIndex - 1;
188+
ForegroundColorSpan foregroundLeftColor = new ForegroundColorSpan(mCurLeftColor);
189+
mStringBuilder.setSpan(foregroundLeftColor, 0, end, Spanned
190+
.SPAN_EXCLUSIVE_EXCLUSIVE);
191+
}
192+
}
176193

177-
setText(stringBuilder);
194+
private void initIconColor(SpannableStringBuilder mStringBuilder) {
195+
if (mIconColor != null) {
196+
int color = mIconColor.getColorForState(getDrawableState(), 0);
197+
if (color != mCurIconColor) {
198+
mCurIconColor = color;
199+
}
200+
ForegroundColorSpan foregroundColorSpan = new ForegroundColorSpan(mCurIconColor);
201+
mStringBuilder.setSpan(foregroundColorSpan, iconIndex, iconIndex + 1, Spanned
202+
.SPAN_EXCLUSIVE_EXCLUSIVE);
178203
}
179204
}
180205

@@ -200,6 +225,8 @@ private void setShape() {
200225
}
201226

202227
private void clearText() {
228+
mStringBuilder.clear();
229+
mStringBuilder.clearSpans();
203230
setText(iconString);
204231
iconIndex = 0;
205232
}
@@ -232,8 +259,12 @@ protected void drawableStateChanged() {
232259
if (mIconColor != null && mIconColor.isStateful()
233260
|| mLeftColor != null && mLeftColor.isStateful()
234261
|| mRightColor != null && mRightColor.isStateful()) {
235-
clearText();
236-
initIconFont();
262+
/*clearText();
263+
initIconFont();*/
264+
initIconColor(mStringBuilder);
265+
initLeftTextColor(mStringBuilder);
266+
initRightColor(mStringBuilder);
267+
setText(mStringBuilder);
237268
}
238269
super.drawableStateChanged();
239270
}
@@ -251,7 +282,7 @@ public void setBackgroundSold(int soild) {
251282
*/
252283
public void setIconColor(int color) {
253284
this.mIconColor = ColorStateList.valueOf(color);
254-
build();
285+
initIconColor(mStringBuilder);
255286
}
256287

257288
/**
@@ -275,31 +306,35 @@ public void setTextRight(String textRight) {
275306
*/
276307
public void setTextLeftColor(int color) {
277308
this.mLeftColor = ColorStateList.valueOf(color);
278-
build();
309+
initLeftTextColor(mStringBuilder);
310+
setText(mStringBuilder);
279311
}
280312

281313
/**
282314
* 设置右文案颜色
283315
*/
284316
public void setTextRightColor(int color) {
285317
this.mRightColor = ColorStateList.valueOf(color);
286-
build();
318+
initRightColor(mStringBuilder);
319+
setText(mStringBuilder);
287320
}
288321

289322
/**
290323
* 设置左文案字号大小
291324
*/
292325
public void setTextLeftSize(float leftSize) {
293326
this.mLeftSize = leftSize;
294-
build();
327+
initLeftTextSize(mStringBuilder);
328+
setText(mStringBuilder);
295329
}
296330

297331
/**
298332
* 设置右文案字号大小
299333
*/
300334
public void setTextRightSize(float rightSize) {
301335
this.mRightSize = rightSize;
302-
build();
336+
initRightTextSize(mStringBuilder);
337+
setText(mStringBuilder);
303338
}
304339

305340
/**

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