嗨,我正在开发用于教育的Android启动器,我需要它能够在用户点击学校工具按钮时启动设备上安装的学校工具应用程序
这是代码
package com.d4a.stzh;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.content.Intent;
import com.actionbarsherlock.app.SherlockFragment;
public class FragmentTab1 extends SherlockFragment {
private Button appbtn;
private Button webbtn;
private Button toolsbttn;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Get the view from fragmenttab1.xml
View view = inflater.inflate(R.layout.fragmenttab1, container, false);
//Get the button from layout
appbtn = (Button) view.findViewById(R.id.app);
webbtn = (Button) view.findViewById(R.id.web);
toolsbttn = (Button) view.findViewById(R.id.tools);
//show all apps installed on the device
appbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(FragmentTab1.this.getActivity(), MyLauncherActivity.class);
startActivity(intent);
}
});
//luanches google on the default web browser
webbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String url = "http://www.google.com";
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);
}
});
//tools button i know ths code is wrong!I need help here!
toolsbttn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(FragmentTab1.this.getActivity(), MyLauncherActivity.class);
startActivity(intent);
}
});
return view;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
setUserVisibleHint(true);
}
}
我还是Android编码的新手,所以请不要评判我
任何帮助都会很棒 提前谢谢
问候
Rapsong11
答案 0 :(得分:12)
此代码段应该完全符合您的目标
Intent i;
PackageManager manager = getPackageManager();
try {
i = manager.getLaunchIntentForPackage("com.example.schoolToolApp");
if (i == null)
throw new PackageManager.NameNotFoundException();
i.addCategory(Intent.CATEGORY_LAUNCHER);
startActivity(i);
} catch (PackageManager.NameNotFoundException e) {
}
它将按包名称
启动另一个应用程序