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这里会显示出您选择的修订版和当前版本之间的差别。
| 后一修订版 两侧同时换到之后的修订记录 | |||
|
cs:300visitoraccess:appopenurl [2017/05/20 03:07] liyuzhao 创建 |
cs:300visitoraccess:appopenurl [2017/05/27 10:35] liyuzhao |
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| 行 7: | 行 7: | ||
| <code> | <code> | ||
| - | startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("easemob://xxxx"))); | + | private void doStartApplicationWithPackageName(String packagename) { |
| + | |||
| + | // 通过包名获取此APP详细信息，包括Activities、services、versioncode、name等等 | ||
| + | PackageInfo packageinfo = null; | ||
| + | try { | ||
| + | packageinfo = getPackageManager().getPackageInfo(packagename, 0); | ||
| + | } catch (PackageManager.NameNotFoundException e) { | ||
| + | e.printStackTrace(); | ||
| + | } | ||
| + | if (packageinfo == null) { | ||
| + | Toast.makeText(this, "应用未安装", Toast.LENGTH_SHORT).show(); | ||
| + | return; | ||
| + | } | ||
| + | |||
| + | // 创建一个类别为CATEGORY_LAUNCHER的该包名的Intent | ||
| + | Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null); | ||
| + | resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER); | ||
| + | resolveIntent.setPackage(packageinfo.packageName); | ||
| + | |||
| + | // 通过getPackageManager()的queryIntentActivities方法遍历 | ||
| + | List<ResolveInfo> resolveinfoList = getPackageManager() | ||
| + | .queryIntentActivities(resolveIntent, 0); | ||
| + | |||
| + | ResolveInfo resolveinfo = resolveinfoList.iterator().next(); | ||
| + | if (resolveinfo != null) { | ||
| + | // packagename = 参数packname | ||
| + | String packageName = resolveinfo.activityInfo.packageName; | ||
| + | // 这个就是我们要找的该APP的LAUNCHER的Activity[组织形式：packagename.mainActivityname] | ||
| + | String className = resolveinfo.activityInfo.name; | ||
| + | // LAUNCHER Intent | ||
| + | Intent intent = new Intent(Intent.ACTION_MAIN); | ||
| + | intent.addCategory(Intent.CATEGORY_LAUNCHER); | ||
| + | |||
| + | // 设置ComponentName参数1:packagename参数2:MainActivity路径 | ||
| + | ComponentName cn = new ComponentName(packageName, className); | ||
| + | |||
| + | intent.setComponent(cn); | ||
| + | startActivity(intent); | ||
| + | } | ||
| + | } | ||
| + | // 执行这句即可 | ||
| + | doStartApplicationWithPackageName("com.easemob.helpdesk"); | ||
| </code> | </code> | ||