实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
package com.xmobileapp.cammonitor; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.SimpleCursorAdapter; import android.widget.Spinner; import android.widget.TextView; import com.xmobileapp.cammonitor.util.ActivtyUtil; import com.xmobileapp.cammonitor.util.DatabaseHelper; public class CamMonitorClient extends Activity { public final static String TAG = "CamMonitorClient"; protected TextView view; protected DatabaseHelper helper; protected Spinner spinner; protected Button btnAdd; protected Button btnModify; protected Button btnDelete; protected Button btnConnect; private SimpleCursorAdapter adapter; private Cursor cursor; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { try { super.onCreate(savedInstanceState); setContentView(R.layout.main); findView(); fillDataWithCursor(); setListenner(); } catch (Exception e) { ActivtyUtil.showAlert(CamMonitorClient.this, "Error", e.getMessage(), "确定"); } } private void fillDataWithCursor() throws Exception { DatabaseHelper helper = new DatabaseHelper(this); cursor = helper.loadAllName(); int count = cursor.getCount(); cursor.moveToFirst(); adapter = new SimpleCursorAdapter(this, android.R.layout.simple_spinner_item, cursor, new String[] { "name" }, new int[] { android.R.id.text1 }); adapter .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); spinner.refreshDrawableState(); helper.close(); if (count <= 0) { btnConnect.setEnabled(false); btnDelete.setEnabled(false); btnModify.setEnabled(false); spinner.setEnabled(false); } else { btnConnect.setEnabled(true); btnDelete.setEnabled(true); btnModify.setEnabled(true); spinner.setEnabled(true); } } private void findView() { spinner = (Spinner) findViewById(R.id.SpinnerLdapConfig); btnAdd = (Button) findViewById(R.id.BtnNew); btnConnect = (Button) findViewById(R.id.BtnConnect); btnModify = (Button) findViewById(R.id.BtnModify); btnDelete = (Button) findViewById(R.id.BtnDelete); } private void setListenner() { btnAdd.setOnClickListener(btnAddListener); btnModify.setOnClickListener(btnModifyListener); btnDelete.setOnClickListener(btnDeleteListener); btnConnect.setOnClickListener(btnConnectListener); } protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 0) { if (resultCode == Activity.RESULT_OK) { try { fillDataWithCursor(); } catch (Exception e) { ActivtyUtil.showAlert(CamMonitorClient.this, "Error", e.getMessage(), "确定"); } } } } private View.OnClickListener btnConnectListener = new View.OnClickListener() { public void onClick(View v) { try { Cursor cc = (Cursor) spinner.getSelectedItem(); int id = cc.getInt(0); Intent intent = new Intent(CamMonitorClient.this, ServerAct.class); intent.putExtra("id", id); startActivity(intent); } catch (Exception e) { Log.e(TAG, e.getMessage(), e); ActivtyUtil.showAlert(CamMonitorClient.this, "Error", e.getMessage(), "确定"); } } }; private View.OnClickListener btnAddListener = new View.OnClickListener() { public void onClick(View v) { Intent intent = new Intent(CamMonitorClient.this, CamMonitorConfigActivity.class); startActivityForResult(intent, 0); } }; private View.OnClickListener btnModifyListener = new View.OnClickListener() { public void onClick(View v) { try { Cursor cc = (Cursor) spinner.getSelectedItem(); int id = cc.getInt(0); Intent intent = new Intent(CamMonitorClient.this, CamMonitorConfigActivity.class); intent.putExtra("id", id); startActivityForResult(intent, 1); // DatabaseHelper.testInsert(CamMonitorClient.this); // fillData(); } catch (Exception e) { Log.e(TAG, e.getMessage(), e); ActivtyUtil.showAlert(CamMonitorClient.this, "Error", e.getMessage(), "确定"); } } }; private View.OnClickListener btnDeleteListener = new View.OnClickListener() { public void onClick(View v) { try { Cursor cc = (Cursor) spinner.getSelectedItem(); final int id = cc.getInt(0); String name = cc.getString(1); new AlertDialog.Builder(CamMonitorClient.this).setTitle("确定删除吗?") .setMessage("确定删除" name "吗?").setPositiveButton( "确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { try { DatabaseHelper .delete(CamMonitorClient.this, id); fillDataWithCursor(); ActivtyUtil.openToast(CamMonitorClient.this, "删除成功!"); } catch (Exception e) { Log.e(TAG, e.getMessage(), e); ActivtyUtil.openToast(CamMonitorClient.this, e .getMessage()); } } }).setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { } }).show(); // DatabaseHelper.Delete(CamMonitorClient.this, name); } catch (Exception e) { ActivtyUtil.showAlert(CamMonitorClient.this, "Error", e.getMessage(), "确定"); } } }; }
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