android启动其他应用的一段代码
16lz
2022-04-19
private void startAppByPackageName(String packageName){PackageInfo pi = null;try {pi = getPackageManager().getPackageInfo(packageName, 0);} catch (NameNotFoundException e) {e.printStackTrace();} Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);resolveIntent.setPackage(pi.packageName); List<ResolveInfo> apps = getPackageManager().queryIntentActivities(resolveIntent, 0); ResolveInfo ri = apps.iterator().next();if (ri != null ) {String packageName1 = ri.activityInfo.packageName;String className = ri.activityInfo.name; Intent intent = new Intent(Intent.ACTION_MAIN);intent.addCategory(Intent.CATEGORY_LAUNCHER); ComponentName cn = new ComponentName(packageName1, className); intent.setComponent(cn);startActivity(intent);}}
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