自定义适配器与电话功能

MyAdapter自定义适配器:

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        //具体方法如下:

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     protected void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.activity_main);

            // 1,找到控件

            lv = (ListView) findViewById(R.id.lv_list);

             

            // 2,定义适配器

            // >>>>>>>>>>>>>>>>>>>2.3自定义适配器

            MyAdapter adapter = new MyAdapter();

            // 3,加载适配器

            lv.setAdapter(adapter);

        }

         

        private class MyAdapter extends BaseAdapter {

         

        @Override

        public int getCount() {

            // TODO Auto-generated method stub

            return objects.length;

        }

         

        @Override

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

            // 加载布局 activity加载布局

            /*

             * LayoutInflater inflater=getLayoutInflater();

             * inflater.inflate(resource, root);

             */

            View contentView = View.inflate(getApplicationContext(),

            R.layout.list_item, null);

            // 找到布局里面的控件

             

            ImageView iv = (ImageView) contentView.findViewById(R.id.iv_logo);

            TextView tv = (TextView) contentView.findViewById(R.id.tv_name);

             

            // 加载相应数据

            iv.setImageResource(imgs[position]);

            tv.setText(objects[position]);

            return contentView;

        }

        @Override

        public Object getItem(int position) {

            // TODO Auto-generated method stub

            return null;

        }

        @Override

        public long getItemId(int position) {

            // TODO Auto-generated method stub

            return 0;

        }

     }

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        拨号功能    

        

         lv.setOnItemClickListener(new OnItemClickListener() {

         

            @Override

            public void onItemClick(AdapterView parent, View view,

                int position, long id) {

                //添加意图

                Intent intent = new Intent();

                //添加动作

                intent.setAction(intent.ACTION_CALL);

                //添加数据

                intent.setData(Uri.parse("tel:"+phones[position]));

                startActivity(intent);

            }

        });

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        短信功能(页面跳转)

        

         lv.setOnItemLongClickListener(new OnItemLongClickListener() {

         

            @Override

            public boolean onItemLongClick(AdapterView parent, View view,

                int position, long id) {

                

                  Intent i=new Intent(getApplicationContext(), SmsActivity.class);

                     i.putExtra("number", phones[position]);

                  startActivity(i);

                

                return true;

            }

        });

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    在用模拟器实现打电话发送短信等功能时需要在运行给它授予权限(授权方法:AndtoidManifest------>Permissions----->Add---->Uses Permission----->选择要授予的权限---->Ctrl+s),若想实现发短信功能还需要先进行注册(注册方法:AndtoidManifest------>AndroidManifesf.xml------>建一个标签)

    在写代码时常范的错误:用LinearLayout时要记得给不然将无法显示写在LinearLayout中的内容!切记-。-、、!!!


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