[移动开发]Android 桌面应用开发主要代码

桌面开发，只考虑主要功能，如下敲上就可以完成简陋版本

AndroidManifest.xml
主界面：

<intent-filter>
 <action android:name="android.intent.action.MAIN" />
 <category android:name="android.intent.category.LAUNCHER" />
 <category android:name="android.intent.category.HOME" />
 <category android:name="android.intent.category.DEFAULT" />
</intent-filter>

获取应用列表

 /**
     * 获取APP列表
     *
     * @param context 继承context
     * @return
     */
    public static List<AppInfo> GetAppList(Context context) {
        List<AppInfo> list = new ArrayList<AppInfo>();
        PackageManager pm = context.getPackageManager();
        Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
        List<ResolveInfo> activities = pm.queryIntentActivities(mainIntent, 0);
        for (ResolveInfo info : activities) {
            String packName = info.activityInfo.packageName;
            //去掉桌面应用
            if (packName.equals(context.getPackageName())) {
                continue;
            }
            //自定义对象，包含了App的4个属性
            AppInfo mInfo = new AppInfo();
            mInfo.setIco(drawableToBitmap(info.activityInfo.applicationInfo.loadIcon(pm)));
            mInfo.setName(info.activityInfo.applicationInfo.loadLabel(pm)
                    .toString());
            mInfo.setPackageName(packName);
            Intent launchIntent = new Intent();
            launchIntent.setComponent(new ComponentName(packName,
                    info.activityInfo.name));
            mInfo.setIntent(launchIntent);
            list.add(mInfo);
        }
        //todo 添加自定义Activity入口
        return list;
    }

长按app图标应具有功能：
卸载、隐藏、更换图标、名字、打开设置详情

 /**
     * 唤起系统的卸载apk功能
     */
    public static void UninstallApk(Context context, Activity activity, String pakename) {
        try {
            Uri packageURI = Uri.parse("package:" + pakename);
            Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);
            activity.startActivityForResult(uninstallIntent, 1);
        } catch (Exception e) {
            DeBugDialog.debug_show_dialog(context, e.toString(), TAG);
        }
    }

打开应用

Intent intent = getPackageManager().getLaunchIntentForPackage(appInfos.get(position).getPackageName());
if (intent != null) {
	intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
	startActivity(intent);
} 

打开应用设置界面

Intent intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
intent.setData(Uri.fromParts("package", appInfos.get(position).getPackageName(), null)); 
startActivity(intent);