跳转到相应应用不成功

[passself]

大家好我，获取完应用的相关数据后，把数据显示在listview上，点击想进入相应的应用但是，每次都进不去，不知道为什么，大家给些意见,代码如下

package com.mainroadlee.appdisplayer;

import java.util.ArrayList;
import java.util.List;
import com.mainroadlee.appdisplayer.R;

import dalvik.system.TemporaryDirectory;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class Main extends Activity {
	private static final String TAG = "Main";
	// Use ArrayList to store the installed non-system apps
	ArrayList<AppInfo> appList = new ArrayList<AppInfo>();
	private Button button;

	// ListView app_listView;
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		button = (Button) findViewById(R.id.testApps);
		button.setOnClickListener(new ButtonClickListener());
		List<PackageInfo> packages = getPackageManager()
				.getInstalledPackages(0);

		for (int i = 0; i < packages.size(); i++) {
			PackageInfo packageInfo = packages.get(i);
			AppInfo tmpInfo = new AppInfo();
			tmpInfo.appName = packageInfo.applicationInfo.loadLabel(
					getPackageManager()).toString();
			tmpInfo.packageName = packageInfo.packageName;
			tmpInfo.versionName = packageInfo.versionName;
			tmpInfo.versionCode = packageInfo.versionCode;
			tmpInfo.appIcon = packageInfo.applicationInfo
					.loadIcon(getPackageManager());
			appList.add(tmpInfo);

		}
		for (int i = 0; i < appList.size(); i++) {
			appList.get(i).print();
		}

		// Populate data to listView
		ListView app_listView = (ListView) findViewById(R.id.listview);
		AppAdapter appAdapter = new AppAdapter(Main.this, appList);

		// app_listView.setAdapter(appAdapter);
		app_listView.setDividerHeight(5);
		app_listView.setOnItemClickListener(new ListViewOnItemClickListener());
		if (app_listView != null) {
			app_listView.setAdapter(appAdapter);
		}
	}

	/**
	 * 
	 * @author shihx
	 * 
	 */
	public class ListViewOnItemClickListener implements OnItemClickListener {
		@Override
		public void onItemClick(AdapterView<?> av, View v, int position,
				long arg3) {
			// TODO Auto-generated method stub
			AppInfo tmpInfo = appList.get(position);
			Intent intent = new Intent();
			Toast.makeText(Main.this, tmpInfo.getPackageName()+"."+tmpInfo.getAppName(), 1).show();
			intent.setClassName(tmpInfo.getPackageName(),tmpInfo.getPackageName()+"."+tmpInfo.getAppName());
			intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
			startActivitySafely(intent);
		}
	}

	void startActivitySafely(Intent intent) {
		try {
			startActivity(intent);
		} catch (ActivityNotFoundException e) {
			Toast.makeText(this, R.string.activity_not_found,
					Toast.LENGTH_SHORT).show();
		} catch (SecurityException e) {
			Toast.makeText(this, R.string.activity_not_found,
					Toast.LENGTH_SHORT).show();
			Log.i(TAG,
					"Showbookmark does not have the permission to launch "
							+ intent
							+ ". Make sure to create a MAIN intent-filter for the corresponding activity "
							+ "or use the exported attribute for this activity.",
					e);
		}
	}

	public class ButtonClickListener implements OnClickListener {
		@Override
		public void onClick(View v) {
			// TODO Auto-generated method stub
			Intent intent = new Intent();
			intent.setClass(Main.this, AppsShowActivity.class);
			startActivity(intent);
		}

	}

	public class AppAdapter extends BaseAdapter {

		Context context;
		ArrayList<AppInfo> dataList = new ArrayList<AppInfo>();

		public AppAdapter(Context context, ArrayList<AppInfo> inputDataList) {
			this.context = context;
			dataList.clear();
			for (int i = 0; i < inputDataList.size(); i++) {
				dataList.add(inputDataList.get(i));
			}
		}

		@Override
		public int getCount() {
			// TODO Auto-generated method stub
			return dataList.size();
		}

		@Override
		public Object getItem(int position) {
			// TODO Auto-generated method stub
			return dataList.get(position);
		}

		@Override
		public long getItemId(int position) {
			// TODO Auto-generated method stub
			return position;
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {

			View v = convertView;
			final AppInfo appUnit = dataList.get(position);
			if (v == null) {
				LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
				v = vi.inflate(R.layout.app_row, null);
				v.setClickable(true);
			}
			TextView appName = (TextView) v.findViewById(R.id.appName);
			ImageView appIcon = (ImageView) v.findViewById(R.id.icon);
			if (appName != null)
				appName.setText(appUnit.appName);
			if (appIcon != null)
				appIcon.setImageDrawable(appUnit.appIcon);
			return v;
		}
	}
}

[sf_key]

你这段启动代码是不是从Launcher里拿出来的？里边的某些参数应用层程序读出来有些问题，可以在知道程序包名的情况下使用如下方式启动：

Intent intent = context.getPackageManager().getLaunchIntentForPackage("packagename");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);

[libRA_kin]

我想问题可能出在你的AppInfo 这个类的getAppName()上；
intent.setClassName 这个方法的参数是一定的
你可以把你传进去的值打印以下 比较有什么区别 ，再搜搜实际应该怎么启动那个应用
比如你点击一个UC 浏览器试试 看看你实际传入的值是什么。还有网上资料上应该怎么样调用

2、启动其他浏览器（当然该浏览器必须安装在机器上）
　　只要修改以下相应的packagename 和 主启动activity即可调用其他浏览器

　　intent.setClassName("com.android.browser","com.android.browser.BrowserActivity");

　　uc浏览器"："com.uc.browser", "com.uc.browser.ActivityUpdate“
　　opera："com.opera.mini.android", "com.opera.mini.android.Browser"
　　qq浏览器："com.tencent.mtt", "com.tencent.mtt.MainActivity"

出错 还是先打印日志看看

[passself]

我取到的值和点击得到的是一样的啊，不知道为什么就是跳转不过去

[passself]

csdn咋现在人气这么差啊，高手呢？