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  • 根据不同需求跳转不同Activity的另外一种写法

    代码如下:

    /*
        Android Asynchronous Http Client Sample
        Copyright (c) 2014 Marek Sebera <marek.sebera@gmail.com>
        http://loopj.com
    
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
        You may obtain a copy of the License at
    
            http://www.apache.org/licenses/LICENSE-2.0
    
        Unless required by applicable law or agreed to in writing, software
        distributed under the License is distributed on an "AS IS" BASIS,
        WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
        See the License for the specific language governing permissions and
        limitations under the License.
    */
    
    package com.loopj.android.http.sample;
    
    import android.app.ListActivity;
    import android.content.Intent;
    import android.os.Bundle;
    import android.view.View;
    import android.widget.ArrayAdapter;
    import android.widget.ListView;
    
    import java.util.ArrayList;
    import java.util.List;
    
    public class WaypointsActivity extends ListActivity {
    
        private static final SampleConfig[] samplesConfig = new SampleConfig[]{
                new SampleConfig(R.string.title_get_sample, GetSample.class),
                new SampleConfig(R.string.title_post_sample, PostSample.class),
                new SampleConfig(R.string.title_delete_sample, DeleteSample.class),
                new SampleConfig(R.string.title_put_sample, PutSample.class),
                new SampleConfig(R.string.title_patch_sample, PatchSample.class),
                new SampleConfig(R.string.title_json_sample, JsonSample.class),
                new SampleConfig(R.string.title_json_streamer_sample, JsonStreamerSample.class),
                new SampleConfig(R.string.title_sax_example, SaxSample.class),
                new SampleConfig(R.string.title_file_sample, FileSample.class),
                new SampleConfig(R.string.title_binary_sample, BinarySample.class),
                new SampleConfig(R.string.title_gzip_sample, GzipSample.class),
                new SampleConfig(R.string.title_redirect_302, Redirect302Sample.class),
                new SampleConfig(R.string.title_threading_timeout, ThreadingTimeoutSample.class),
                new SampleConfig(R.string.title_cancel_all, CancelAllRequestsSample.class),
                new SampleConfig(R.string.title_cancel_handle, CancelRequestHandleSample.class),
                new SampleConfig(R.string.title_synchronous, SynchronousClientSample.class),
                new SampleConfig(R.string.title_intent_service_sample, IntentServiceSample.class),
                new SampleConfig(R.string.title_post_files, FilesSample.class),
                new SampleConfig(R.string.title_persistent_cookies, PersistentCookiesSample.class),
                new SampleConfig(R.string.title_custom_ca, CustomCASample.class),
                new SampleConfig(R.string.title_retry_handler, RetryRequestSample.class),
                new SampleConfig(R.string.title_range_sample, RangeResponseSample.class),
                new SampleConfig(R.string.title_401_unauth, Http401AuthSample.class),
                new SampleConfig(R.string.title_pre_post_processing, PrePostProcessingSample.class),
                new SampleConfig(R.string.title_content_type_http_entity, ContentTypeForHttpEntitySample.class),
                new SampleConfig(R.string.title_resume_download, ResumeDownloadSample.class),
                new SampleConfig(R.string.title_digest_auth, DigestAuthSample.class),
                new SampleConfig(R.string.title_use_pool_thread, UsePoolThreadSample.class)
        };
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, getTitlesList()));
        }
    
        private List<String> getTitlesList() {
            List<String> titles = new ArrayList<String>();
            for (SampleConfig config : samplesConfig) {
                titles.add(getString(config.titleId));
            }
            return titles;
        }
    
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
            if (position >= 0 && position < samplesConfig.length)
                startActivity(new Intent(this, samplesConfig[position].targetClass));
        }
    
        private static class SampleConfig {
    
            final int titleId;
            final Class targetClass;
    
            SampleConfig(int titleId, Class targetClass) {
                this.titleId = titleId;
                this.targetClass = targetClass;
            }
    
        }
    
    }
    

      

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  • 原文地址:https://www.cnblogs.com/spring87/p/4626848.html
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