仿快拍二维码的手动输码页面代码,Java代码库,德仔网

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【Java】仿快拍二维码的手动输码页面
作者:fuweiping / 发布于2012/11/27/ 665
package com.ejoyshop.android;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.os.Bundle;
import android.os.IBinder;
import android.text.InputType;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.SimpleAdapter.ViewBinder;

public class FrmManualCodeActivity extends Activity {
	private GridView mGridView;
	private EditText txtManualinput = null;
	String[] appListString = new String[] { "7", "8", "9", "4", "5", "6", "1",
			"2", "3", "630", "0", "删除" };
	int[] appListID = { 7, 8, 9, 4, 5, 6, 1, 2, 3, -2, 0, -1 };

	private boolean istip = false;

	private final int MaxInputCount = 16;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.frmmanualcodeactivity);
		txtManualinput = (EditText) findViewById(R.id.manual_input_hint_text);
		istip = true;
		InputMethodManager localInputMethodManager = (InputMethodManager) getSystemService("input_method");
		IBinder localIBinder = this.txtManualinput.getWindowToken();
		localInputMethodManager.hideSoftInputFromWindow(localIBinder,
				InputMethodManager.HIDE_IMPLICIT_ONLY);

		mGridView = (GridView) findViewById(R.id.gridview_id);
		ArrayList<HashMap<String, Object>> lstImageItem = new ArrayList<HashMap<String, Object>>();

		int j = appListString.length;
		for (int i = 0; i < j; i++) {
			HashMap<String, Object> map = new HashMap<String, Object>();
			map.put("ItemText", appListString[i].toString());
			map.put("ItemId", appListID[i]);
			lstImageItem.add(map);
		}
		SimpleAdapter saImageItems = new SimpleAdapter(this, lstImageItem,
				R.layout.item_input, new String[] { "ItemText", "ItemId" },
				new int[] { R.id.item_text });
		mGridView.setAdapter(saImageItems);
		mGridView.setOnItemClickListener(new ItemClickListener());
		mGridView.setOnItemLongClickListener(new ItemLongClickListener());
		txtManualinput.setOnTouchListener(new EditTextTouchListener());

	}

	class EditTextTouchListener implements View.OnTouchListener {

		public boolean onTouch(View v, MotionEvent event) {
			int inType = txtManualinput.getInputType();
			txtManualinput.setInputType(InputType.TYPE_NULL);
			txtManualinput.onTouchEvent(event);
			txtManualinput.setInputType(inType);
			return true;
		}
	}

	/**
	 * 按钮的事件
	 */
	class ItemClickListener implements OnItemClickListener {
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
				long arg3) {
			String string = txtManualinput.getText().toString();// 文字内容
			int j = txtManualinput.getText().toString().length();// 长度
			int i = txtManualinput.getSelectionStart();// 0
			if (arg2 - 11 == 0) {
				if (istip) {
					MessageBox.ShowMakeText(FrmManualCodeActivity.this,
							"长按\"删除\"可以清空内容!");
					istip = false;
				}
				// 按到删除
				if (string.length() > 0 && i - 0 != 0) {
					txtManualinput.getText().delete(i - 1, i);
					txtManualinput.setSelection(i - 1);
				} else {
					txtManualinput.setSelection(0);
				}
			} else {
				if (j < MaxInputCount) {
					// 按到其他
					txtManualinput.getText().insert(i, appListString[arg2]);
					txtManualinput.setSelection(i
							+ appListString[arg2].length());
				} else {
					// 长度超过15个字符
				}
			}
		}
	}

	/**
	 * 长按删除
	 */
	class ItemLongClickListener implements OnItemLongClickListener {

		public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
				int arg2, long arg3) {
			if (arg2 - 11 == 0) {
				if (txtManualinput.getText().length() > 0) {
					txtManualinput.setText("");
				}
			}
			return false;
		}
	}

	@Override
	protected void onResume() {
		istip = true;
		super.onResume();
	}

	@Override
	protected void onPause() {
		super.onPause();
	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
	}

}
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