```java
/**
* bitmap转为base64
* @param bitmap
* @return
*/
public static String bitmapToBase64(Bitmap bitmap) {
String result = null;
ByteArrayOutputStream baos = null;
try {
if (bitmap != null) {
baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
baos.flush();
baos.close();
byte[] bitmapBytes = baos.toByteArray();
result = Base64.encodeToString(bitmapBytes, Base64.DEFAULT);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (baos != null) {
baos.flush();
baos.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return result;
}
/**
* base64转为bitmap
* @param base64Data
* @return
*/
public static Bitmap base64ToBitmap(String base64Data) {
byte[] bytes = Base64.decode(base64Data, Base64.DEFAULT);
return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
}
```
- - -
```java
//ScrollView嵌套WebView（ViewPagerç‰ï¼‰å†²çªè§£å†³
webView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
scrollView.requestDisallowInterceptTouchEvent(true);
break;
case MotionEvent.ACTION_UP:
scrollView.requestDisallowInterceptTouchEvent(false);
break;
}
return false;
}
});
```
- - -
```java
/**
* EditText设置编辑和ä¸å¯ç¼–辑，相互切æ¢
*①在xmlä¸è®¾ç½®å±žæ€§ focusable="false"ï¼›
*â‘¡å¯ç¼–辑代ç
*/
editText.setFocusableInTouchMode(true);
editText.setFocusable(true);
editText.requestFocus();
//ä¸å¯ç¼–辑代ç ：
editText.setFocusable(false);
editText.setFocusableInTouchMode(false);
```
- - -
```java
/**
* 毫秒值（longï¼‰è½¬æŒ‡å®šæ—¥æœŸæ ¼å¼
*/
SimpleDateFormat simple = new SimpleDateFormat("yyyy年MM月dd日 HH:mm");
Date date = new Date(Long.parseLong("时间å—符串"));
String time = simple.format(date);
```
- - - - -
```java
/**
* 获å–æœ¬åœ°æ—¶é—´ï¼Œæ˜¾ç¤ºæŒ‡å®šæ ¼å¼
*/
SimpleDateFormat simple = new SimpleDateFormat("yyyy年MM月dd日");
Date date = new Date(System.currentTimeMillis());
String currentTime = simple.format(date);
```
- - - - -
```xml
/**
* Android 5.0以上版本去掉 Button 自带阴影效果
*/
// æ ¸å¿ƒä»£ç
style=â€?android:attr/borderlessButtonStyleâ€
```
- - - - -
```java
// Gson 解æžè¿”回一个 List
String str="[{'id': '1','code': 'bj','name': '北京','map': '39.90403, 116.40752599999996'}, {'id': '2','code': 'sz','name': '深圳','map': '22.543099, 114.05786799999998'}, {'id': '9','code': 'sh','name': '上海','map': '31.230393,121.473704'}, {'id': '10','code': 'gz','name': '广州','map': '23.129163,113.26443500000005'}]";
Gson gson = new Gson();
List rs = new ArrayList();
Type type = new TypeToken>() {}.getType();
rs=gson.fromJson(str, new TypeToken>(){}.getType());
// Gson 解æžè¿”回一个map
String jsonStr="{'1': {'id': '1','code': 'bj','name': '北京','map': '39.90403, 116.40752599999996'},'2': {'id': '2','code': 'sz','name': '深圳','map': '22.543099, 114.05786799999998'},'9': {'id': '9','code': 'sh','name': '上海','map': '31.230393,121.473704'},'10': {'id': '10','code': 'gz','name': '广州','map': '23.129163,113.26443500000005'}}";
Map citys = gson.fromJson(jsonStr, new TypeToken