Android 定制下拉刷新头部 Ultra Pull To Refresh

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

package cn.zmit.ow.widget;

import in.srain.cube.views.ptr.PtrFrameLayout;

import in.srain.cube.views.ptr.PtrUIHandler;

import android.annotation.SuppressLint;

import android.content.Context;

import android.util.AttributeSet;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.FrameLayout;

import cn.zmit.ow.R;

import cn.zmit.ow.widget.waveview.WaveView;

/**

* 自定义下拉刷新头部

*

* @author Robin time 2015-02-11 14:06:33

*

*/

public class CustomPtrHeader extends FrameLayout implements PtrUIHandler {

WaveView wave_view;

int i;

public CustomPtrHeader(Context context) {

super(context);

init();

}

public CustomPtrHeader(Context context, AttributeSet attrs) {

super(context, attrs);

init();

}

public CustomPtrHeader(Context context, AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

init();

}

@SuppressLint("NewApi")

public CustomPtrHeader(Context context, AttributeSet attrs,

int defStyleAttr, int defStyleRes) {

super(context, attrs, defStyleAttr, defStyleRes);

init();

}

/**

* 初始化

*/

private void init() {

View view = LayoutInflater.from(getContext()).inflate(

R.layout.custom_ptr_header, this);

wave_view = (WaveView) view.findViewById(R.id.wave_view);

}

@Override

public void onUIReset(PtrFrameLayout frame) {

}

@Override

public void onUIRefreshPrepare(PtrFrameLayout frame) {

}

@Override

public void onUIRefreshBegin(PtrFrameLayout frame) {

/* if (wave_view.getProgress()==0) {

for (i = 0; i < 100; i++) {

new Thread(){

public void run() {

UIKit.runOnMainThreadAsync(new Runnable() {

@Override

public void run() {

wave_view.setProgress(i);

if (wave_view.getProgress()==100) {

wave_view.setProgress(0);

}

}

});

try {

Thread.sleep(200);

} catch (InterruptedException e) {

e.printStackTrace();

}

};

}.start();

}

}*/

}

@Override

public void onUIRefreshComplete(PtrFrameLayout frame) {

}

@Override

public void onUIPositionChange(PtrFrameLayout frame, boolean isUnderTouch,

byte status, int oldPosition, int currentPosition,

float oldPercent, float currentPercent) {

float percent = Math.min(1f, currentPercent);

// if (status == PtrFrameLayout.PTR_STATUS_PREPARE) {

wave_view.setProgress((int) (percent * 100 * 1.0));

invalidate();

// }

}

/**

* 设置波纹进度

* @param progress 进度

*/

public void setWaveProgress(int progress){

wave_view.setProgress(progress);

}

}

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

/* 创建自定义刷新头部view */

header = new CustomPtrHeader(this);

/* 设置刷新头部view */

ptr_view.setHeaderView(header);

/* 设置回调 */

ptr_view.addPtrUIHandler(header);

/* 设置下拉刷新监听 */

ptr_view.setPtrHandler(new PtrHandler() {

@Override

public void onRefreshBegin(PtrFrameLayout frame) {

refresh();

}

@Override

public boolean checkCanDoRefresh(PtrFrameLayout frame,

View content, View header) {

if (!StringUtils.isEmpty(mCurrentUrl)) {

return mCurrentUrl.equals("http://m.zmit.cn/")

|| mCurrentUrl.equals("http://m.zmit.cn/index.php") ? false

: mWebView.getScrollY() == 0;

} else {

return mWebView.getScrollY() == 0;

}

}

});

/* 延时100秒 */

ptr_view.postDelayed(new Runnable() {

@Override

public void run() {

ptr_view.autoRefresh();

}

}, 100);

/* 下拉时阻止事件分发 */

ptr_view.setInterceptEventWhileWorking(true);