Android中不同使用之间Activity的跳转

Android中不同应用之间Activity的跳转
size=large] mBtn.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName comp = new ComponentName("apk.download.main",
"apk.download.main.ApkDownloadToolActivity");
intent.setComponent(comp);

int launchFlags = Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED;

intent.setFlags(launchFlags);

intent.setAction("android.intent.action.VIEW");

Bundle bundle = new Bundle();
bundle.putString("downApkName", getResources().getString(R.string.test_apk_name));
intent.putExtras(bundle);

TestHtmlActivity.this.startActivity(intent);
}
});[/size]