Android检查手机上是否安装了第三方软件的方法-本文以百度map为例

转于：http://blog.csdn.net/ljb_blog/article/details/11047655

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1. package?com.example.myapi.thirdbaidumap;??
2. ??
3. import?java.net.URISyntaxException;??
4. import?java.util.ArrayList;??
5. import?java.util.List;??
6. ??
7. import?android.app.Activity;??
8. import?android.content.Context;??
9. import?android.content.Intent;??
10. import?android.content.pm.PackageInfo;??
11. import?android.content.pm.PackageManager;??
12. import?android.net.Uri;??
13. import?android.os.Bundle;??
14. import?android.util.Log;??
15. import?android.view.View;??
16. import?android.view.View.OnClickListener;??
17. import?android.widget.Button;??
18. ??
19. import?com.example.myapi.R;??
20. ??
21. /**?
22. ?*?测试程序跳转到第三方地图，并将数据传递过去。?
23. [email protected]?
24. ?*?
25. ?*/??
26. public?class?ThirdBaiduMapTestActivity?extends?Activity?implements?OnClickListener{??
27. ????private?Button?btn_test;??
28. ????@Override??
29. ????protected?void?onCreate(Bundle?savedInstanceState)?{??
30. ????????super.onCreate(savedInstanceState);??
31. ????????setContentView(R.layout.thirdbaidumaptest);??
32. ????????btn_test?=?(Button)findViewById(R.id.baidu_btn_test);??
33. ????????btn_test.setOnClickListener(this);??
34. ????}??
35. ??
36. ????@Override??
37. ????public?void?onClick(View?v)?{??
38. ????????switch(v.getId()){??
39. ????????case?R.id.baidu_btn_test:??
40. ????????????//如果已安装,??
41. ??????????????
42. ????????????if(isAvilible(this,"com.baidu.BaiduMap")){//传入指定应用包名??
43. ????????????????Intent?intent?=?null;??
44. ????????????????try?{??
45. //????????????????????intent?=?Intent.getIntent("intent://map/direction?origin=latlng:34.264642646862,108.95108518068|name:我家&destination=大雁塔&mode=driving?ion=西安&src=yourCompanyName|yourAppName#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end");??
46. ????????????????????intent?=?Intent.getIntent("intent://map/direction?"?+??
47. ????????????????????????????"origin=大柏树&"?+??
48. ????????????????????????????"destination=江湾镇"?+??
49. ????????????????????????????"&mode=driving&"?+??
50. ????????????????????????????"region=上海市"?+??
51. ????????????????????????????"&src=yourCompanyName|yourAppName#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end");??
52. ????????????????????startActivity(intent);?//启动调用??
53. ????????????????}?catch?(URISyntaxException?e)?{??
54. ????????????????????Log.e("intent",?e.getMessage());??
55. ????????????????}??
56. ????????????}else{//未安装??
57. ????????????????//market为路径，id为包名??
58. ????????????????//显示手机上所有的market商店??
59. ????????????????Uri?uri?=?Uri.parse("market://details?id=com.baidu.BaiduMap");??
60. ????????????????Intent?intent?=?new?Intent(Intent.ACTION_VIEW,?uri);???
61. ????????????????startActivity(intent);???
62. ????????????}??
63. ????????????break;??
64. ????????}??
65. ????}??
66. ????/**?
67. ?????*?检查手机上是否安装了指定的软件?
68. [email protected]?
69. [email protected]：应用包名?
70. [email protected]?
71. ?????*/??
72. ????private?boolean?isAvilible(Context?context,?String?packageName){???
73. ????????//获取packagemanager???
74. ????????final?PackageManager?packageManager?=?context.getPackageManager();??
75. ??????//获取所有已安装程序的包信息???
76. ????????List<PackageInfo>?packageInfos?=?packageManager.getInstalledPackages(0);??
77. ??????//用于存储所有已安装程序的包名???
78. ????????List<String>?packageNames?=?new?ArrayList<String>();??
79. ????????//从pinfo中将包名字逐一取出，压入pName?list中???
80. ????????if(packageInfos?!=?null){???
81. ????????????for(int?i?=?0;?i?<?packageInfos.size();?i++){???
82. ????????????????String?packName?=?packageInfos.get(i).packageName;???
83. ????????????????packageNames.add(packName);???
84. ????????????}???
85. ????????}???
86. ??????//判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE???
87. ????????return?packageNames.contains(packageName);??
88. ??}???
89. ??
90. } ?