参考地址： http://blog.csdn.net/zhyl8157121/article/details/8169172
http://blog.csdn.net/zhyl8157121/article/details/8709048
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package com.example.ht;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.app.Dialog;
//import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class F2_TC extends ActionBarActivity {
private Button btn1;
private Button btn2;
private Button btn3;
private ListView listView;
private SimpleAdapter adapter;
private DBUtil dbUtil;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_f2__tc);
btn1 = (Button) findViewById(R.id.btn_all);
btn2 = (Button) findViewById(R.id.btn_add);
btn3 = (Button) findViewById(R.id.btn_delete);
listView = (ListView) findViewById(R.id.listView);
dbUtil = new DBUtil();
btn1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
hideButton(true);
setListView();
}
});
btn2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
hideButton(true);
setAddDialog();
}
});
btn3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
hideButton(true);
setDeleteDialog();
}
});
//////////////
}
//////////////
/**
* 设置弹出删除对话框
*/
private void setDeleteDialog() {
final Dialog dialog = new Dialog(F2_TC.this);
//dialog.setContentView(R.layout.dialog_delete);
dialog.setContentView(R.layout.activity_f7__delete);
dialog.setTitle("输入想要删除的货物的编号");
Window dialogWindow = dialog.getWindow();
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
dialogWindow.setGravity(Gravity.CENTER);
dialogWindow.setAttributes(lp);
//final EditText cNoEditText = (EditText) dialog.findViewById(R.id.editText1);
final EditText cNoEditText = (EditText) dialog.findViewById(R.id.editText_del);
Button btnConfirm = (Button) dialog.findViewById(R.id.button1);
Button btnCancel = (Button) dialog.findViewById(R.id.button2);
btnConfirm.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dbUtil.deleteCargoInfo(cNoEditText.getText().toString());
dialog.dismiss();
hideButton(false);
//Toast.makeText(MainActivity.this, "成功删除数据", Toast.LENGTH_SHORT).show();
Toast.makeText(F2_TC.this, "成功删除数据", Toast.LENGTH_SHORT).show();
}
});
btnCancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
hideButton(false);
}
});
dialog.show();
}
/**
* 设置弹出添加对话框
*/
private void setAddDialog() {
//final Dialog dialog = new Dialog(MainActivity.this);
final Dialog dialog = new Dialog(F2_TC.this);
//dialog.setContentView(R.layout.dialog_add);
dialog.setContentView(R.layout.activity_f6_insert);
dialog.setTitle("输入添加的货物的信息");
Window dialogWindow = dialog.getWindow();
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
dialogWindow.setGravity(Gravity.CENTER);
dialogWindow.setAttributes(lp);
final EditText cNameEditText = (EditText) dialog.findViewById(R.id.editText1);
final EditText cNumEditText = (EditText) dialog.findViewById(R.id.editText2);
Button btnConfirm = (Button) dialog.findViewById(R.id.button1);
Button btnCancel = (Button) dialog.findViewById(R.id.button2);
btnConfirm.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dbUtil.insertCargoInfo(cNameEditText.getText().toString(), cNumEditText.getText().toString());
dialog.dismiss();
hideButton(false);
//Toast.makeText(MainActivity.this, "成功添加数据", Toast.LENGTH_SHORT).show();
Toast.makeText(F2_TC.this, "成功添加数据", Toast.LENGTH_SHORT).show();
}
});
btnCancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
hideButton(false);
}
});
dialog.show();
}
/**
* 设置listView
*/
private void setListView() {
listView.setVisibility(View.VISIBLE);
List<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();
list = dbUtil.getAllInfo();
adapter = new SimpleAdapter(
//MainActivity.this,
F2_TC.this,
list,
//R.layout.adapter_item,
R.layout.activity_f3__select,
new String[] { "Cno", "Cname", "Cnum" },
new int[] { R.id.txt_Cno, R.id.txt_Cname, R.id.txt_Cnum });
listView.setAdapter(adapter);
}
/**
* 设置button的可见性
*/
private void hideButton(boolean result) {
if (result) {
btn1.setVisibility(View.GONE);
btn2.setVisibility(View.GONE);
btn3.setVisibility(View.GONE);
} else {
btn1.setVisibility(View.VISIBLE);
btn2.setVisibility(View.VISIBLE);
btn3.setVisibility(View.VISIBLE);
}
}
/**
* 返回按钮的重写
*/
@Override
public void onBackPressed()
{
if (listView.getVisibility() == View.VISIBLE) {
listView.setVisibility(View.GONE);
hideButton(false);
}else {
//MainActivity.this.finish();
F2_TC.this.finish();
}
}
/////////////
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.f2__tc, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
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example1:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.ht.F6_insert" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/F6_Form" />
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText2"
android:layout_alignParentBottom="true"
android:layout_marginBottom="54dp"
android:orientation="horizontal" >
<Button
android:id="@+id/button1"
android:layout_width="100dip"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:text="@string/confirm" />
<Button
android:id="@+id/button2"
android:layout_width="100dip"
android:layout_height="wrap_content"
android:layout_marginLeft="40dip"
android:text="@string/cancel" />
</LinearLayout>
<EditText
android:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_centerVertical="true"
android:ems="10"
android:hint="@string/add_hint1" />
<EditText
android:id="@+id/editText2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_below="@+id/editText1"
android:ems="10"
android:hint="@string/add_hint2"
android:inputType="number" />
</RelativeLayout>
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example2
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.ht.F7_Delete" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/F7_Form" />
<EditText
android:id="@+id/editText_del"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/linearLayout1"
android:layout_below="@+id/textView1"
android:layout_marginTop="66dp"
android:ems="10"
android:hint="@string/delete_hint" />
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_alignParentBottom="true"
android:layout_marginBottom="47dp"
android:orientation="horizontal" >
<Button
android:id="@+id/button1"
android:layout_width="100dip"
android:layout_height="wrap_content"
android:layout_marginLeft="20dip"
android:text="@string/confirm" />
<Button
android:id="@+id/button2"
android:layout_width="100dip"
android:layout_height="wrap_content"
android:layout_marginLeft="40dip"
android:text="@string/cancel" />
</LinearLayout>
</RelativeLayout>
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