android判斷程序是否連接網絡。
> 判斷程序是否連接網絡還需要在XML中添加數據
>
1./**
2. * 檢測網絡是否連接
3. * @return
4. */
5. private boolean checkNetworkState() {
6. boolean flag = false;
7. //獲取連接管理實例
8. ConnectivityManager manager= (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
9. //獲取當前網絡狀態
10. NetworkInfo info = manager.getActiveNetworkInfo();
9. //去進行判斷網絡是否連接
13. if (info != null && info.isAvailable()) {
14. isNetworkAvailable();
15. } else {
16. setNetwork();
17. }
18.
19. return flag;
20. }
21.
22.
23. /**
24. * 網絡未連接時，調用設置方法
25. */
26. private void setNetwork(){
27. Toast.makeText(this, "wifi is closed!", Toast.LENGTH_SHORT).show();
28.
29. AlertDialog.Builder builder = new AlertDialog.Builder(this);
30. builder.setIcon(R.drawable.ic_launcher);
31. builder.setTitle("網絡提示信息");
32. builder.setMessage("網絡不可用，如果繼續，請先設置網絡！");
33. builder.setPositiveButton("設置", new OnClickListener() {
34. @Override
35. public void onClick(DialogInterface dialog, int which) {
36. Intent intent = null;
37. /**
38. * 判斷手機系統的版本！如果API大於10 就是3.0+
39. * 因為3.0以上的版本的設置和3.0以下的設置不一樣，調用的方法不同
40. */
41. if (android.os.Build.VERSION.SDK_INT > 10) {
42. intent = new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS);
43. } else {
44. intent = new Intent();
45. ComponentName component = new ComponentName(
46. "com.android.settings",
47. "com.android.settings.WirelessSettings");
48. intent.setComponent(component);
49. intent.setAction("android.intent.action.VIEW");
50. }
51. startActivity(intent);
52. }
53. });
54.
55. builder.setNegativeButton("取消", new OnClickListener() {
56. @Override
57. public void onClick(DialogInterface dialog, int which) {
58.
59. }
60. });
61. builder.create();
62. builder.show();
63. }
64.
65. /**
66. * 網絡已經連接，然後去判斷是wifi連接還是GPRS連接
67. * 設置一些自己的邏輯調用
68. */
69. private void isNetworkAvailable(){
70.
71. State gprs = manager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
72. State wifi = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
73. if(gprs == State.CONNECTED || gprs == State.CONNECTING){
74. Toast.makeText(this, "wifi is open! gprs", Toast.LENGTH_SHORT).show();
75. }
76. //判斷為wifi狀態下才加載廣告，如果是GPRS手機網絡則不加載！
77. if(wifi == State.CONNECTED || wifi == State.CONNECTING){
78. Toast.makeText(this, "wifi is open! wifi", Toast.LENGTH_SHORT).show();
79. loadAdmob();
80. }
81.
82. }
83.
84. /**
85. * 在wifi狀態下 加載admob廣告
86. */
87. private void loadAdmob(){
88. ll = (LinearLayout) findViewById(R.id.load_ads);
89. ll.removeAllViews();
90. adsView = new AdView(this, AdSize.BANNER, "a15194a1ac9505d");
91. ll.addView(adsView);
92.
93. adsView.loadAd(new AdRequest());
94. }
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> 判斷程序是否連接網絡還需要在XML中添加數據
>
1./**
2. * 檢測網絡是否連接
3. * @return
4. */
5. private boolean checkNetworkState() {
6. boolean flag = false;
7. //獲取連接管理實例
8. ConnectivityManager manager= (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
9. //獲取當前網絡狀態
10. NetworkInfo info = manager.getActiveNetworkInfo();
9. //去進行判斷網絡是否連接
13. if (info != null && info.isAvailable()) {
14. isNetworkAvailable();
15. } else {
16. setNetwork();
17. }
18.
19. return flag;
20. }
21.
22.
23. /**
24. * 網絡未連接時，調用設置方法
25. */
26. private void setNetwork(){
27. Toast.makeText(this, "wifi is closed!", Toast.LENGTH_SHORT).show();
28.
29. AlertDialog.Builder builder = new AlertDialog.Builder(this);
30. builder.setIcon(R.drawable.ic_launcher);
31. builder.setTitle("網絡提示信息");
32. builder.setMessage("網絡不可用，如果繼續，請先設置網絡！");
33. builder.setPositiveButton("設置", new OnClickListener() {
34. @Override
35. public void onClick(DialogInterface dialog, int which) {
36. Intent intent = null;
37. /**
38. * 判斷手機系統的版本！如果API大於10 就是3.0+
39. * 因為3.0以上的版本的設置和3.0以下的設置不一樣，調用的方法不同
40. */
41. if (android.os.Build.VERSION.SDK_INT > 10) {
42. intent = new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS);
43. } else {
44. intent = new Intent();
45. ComponentName component = new ComponentName(
46. "com.android.settings",
47. "com.android.settings.WirelessSettings");
48. intent.setComponent(component);
49. intent.setAction("android.intent.action.VIEW");
50. }
51. startActivity(intent);
52. }
53. });
54.
55. builder.setNegativeButton("取消", new OnClickListener() {
56. @Override
57. public void onClick(DialogInterface dialog, int which) {
58.
59. }
60. });
61. builder.create();
62. builder.show();
63. }
64.
65. /**
66. * 網絡已經連接，然後去判斷是wifi連接還是GPRS連接
67. * 設置一些自己的邏輯調用
68. */
69. private void isNetworkAvailable(){
70.
71. State gprs = manager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
72. State wifi = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
73. if(gprs == State.CONNECTED || gprs == State.CONNECTING){
74. Toast.makeText(this, "wifi is open! gprs", Toast.LENGTH_SHORT).show();
75. }
76. //判斷為wifi狀態下才加載廣告，如果是GPRS手機網絡則不加載！
77. if(wifi == State.CONNECTED || wifi == State.CONNECTING){
78. Toast.makeText(this, "wifi is open! wifi", Toast.LENGTH_SHORT).show();
79. loadAdmob();
80. }
81.
82. }
83.
84. /**
85. * 在wifi狀態下 加載admob廣告
86. */
87. private void loadAdmob(){
88. ll = (LinearLayout) findViewById(R.id.load_ads);
89. ll.removeAllViews();
90. adsView = new AdView(this, AdSize.BANNER, "a15194a1ac9505d");
91. ll.addView(adsView);
92.
93. adsView.loadAd(new AdRequest());
94. }