forked from hzuapps/android-labs
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
5 changed files
with
234 additions
and
0 deletions.
There are no files selected for viewing
65 changes: 65 additions & 0 deletions
65
...u/hzuapps/androidworks/homeworks/net1314080903127/Net1314080903127_DiaryEditActivity.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,65 @@ | ||
|
||
|
||
package edu.hzuapps.androidworks.homeworks.net1314080903127; | ||
|
||
import com.donglihan.CollegeLifeManager.R; | ||
|
||
import android.app.Activity; | ||
import android.content.Intent; | ||
import android.os.Bundle; | ||
import android.view.View; | ||
import android.widget.Button; | ||
import android.widget.EditText; | ||
|
||
public class Net1314080903127_DiaryEditActivity extends Activity { | ||
|
||
private EditText mTitleText; | ||
private EditText mBodyText; | ||
private Long mRowId; | ||
private Net1314080903127_DbAdapter mDbHelper; | ||
|
||
@Override | ||
protected void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
mDbHelper = new Net1314080903127_DbAdapter(this); | ||
setContentView(R.layout.net1314080903127_diary_edit); | ||
|
||
mTitleText = (EditText) findViewById(R.id.title); | ||
mBodyText = (EditText) findViewById(R.id.body); | ||
|
||
Button confirmButton = (Button) findViewById(R.id.confirm); | ||
|
||
mRowId = null; | ||
Bundle extras = getIntent().getExtras(); | ||
//ÅжÏÊÇ·ñΪ±à¼×´Ì¬ | ||
if (extras != null) { | ||
String title = extras.getString(Net1314080903127_DbAdapter.KEY_TITLE); | ||
String body = extras.getString(Net1314080903127_DbAdapter.KEY_BODY); | ||
mRowId = extras.getLong(Net1314080903127_DbAdapter.KEY_ROWID); | ||
|
||
if (title != null) { | ||
mTitleText.setText(title); | ||
} | ||
if (body != null) { | ||
mBodyText.setText(body); | ||
} | ||
} | ||
|
||
confirmButton.setOnClickListener(new View.OnClickListener() { | ||
public void onClick(View view) { | ||
mDbHelper.open(); | ||
String title = mTitleText.getText().toString(); | ||
String body = mBodyText.getText().toString(); | ||
if (mRowId != null) { | ||
mDbHelper.updateDiary(mRowId, title, body); | ||
} else | ||
mDbHelper.createDiary(title, body); | ||
Intent mIntent = new Intent(); | ||
setResult(RESULT_OK, mIntent); | ||
mDbHelper.closeclose(); | ||
finish(); | ||
} | ||
|
||
}); | ||
} | ||
} |
106 changes: 106 additions & 0 deletions
106
.../edu/hzuapps/androidworks/homeworks/net1314080903127/Net1314080903127_diary_activity.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,106 @@ | ||
package edu.hzuapps.androidworks.homeworks.net1314080903127; | ||
|
||
import com.donglihan.CollegeLifeManager.R; | ||
|
||
import android.app.ListActivity; | ||
import android.content.Intent; | ||
import android.database.Cursor; | ||
import android.os.Bundle; | ||
import android.view.Menu; | ||
import android.view.MenuItem; | ||
import android.view.View; | ||
import android.widget.ListView; | ||
import android.widget.SimpleCursorAdapter; | ||
|
||
public class Net1314080903127_diary_activity extends ListActivity { | ||
|
||
//回复的关键字 | ||
private static final int ACTIVITY_CREATE = 0; | ||
private static final int ACTIVITY_EDIT = 1; | ||
|
||
//菜单的选择 | ||
private static final int INSERT_ID = Menu.FIRST; | ||
private static final int DELETE_ID = Menu.FIRST + 1; | ||
|
||
private Net1314080903127_DbAdapter mDbHelper; | ||
private Cursor mDiaryCursor; | ||
|
||
@Override | ||
public void onCreate(Bundle savedInstanceState) { | ||
super.onCreate(savedInstanceState); | ||
setContentView(R.layout.net1314080903127_diary_list); | ||
mDbHelper = new Net1314080903127_DbAdapter(this); | ||
updateListView(); | ||
|
||
} | ||
|
||
//更新当前的listacvitity | ||
private void updateListView() { | ||
mDbHelper.open(); | ||
mDiaryCursor = mDbHelper.getAllNotes(); | ||
//交给Activity管理游标 | ||
startManagingCursor(mDiaryCursor); | ||
String[] from = new String[] { Net1314080903127_DbAdapter.KEY_TITLE, | ||
Net1314080903127_DbAdapter.KEY_CREATED }; | ||
int[] to = new int[] { R.id.text1, R.id.created }; | ||
SimpleCursorAdapter notes = new SimpleCursorAdapter(this, | ||
R.layout.net1314080903127_diary_row, mDiaryCursor, from, to); | ||
setListAdapter(notes); | ||
mDbHelper.closeclose(); | ||
} | ||
|
||
//创建一个菜单 | ||
@Override | ||
public boolean onCreateOptionsMenu(Menu menu) { | ||
super.onCreateOptionsMenu(menu); | ||
menu.add(0, INSERT_ID, 0,"新建").setIcon(R.drawable.net1314080903127_new_course); | ||
menu.add(0, DELETE_ID, 0, "删除").setIcon(R.drawable.net1314080903127_delete); | ||
return true; | ||
} | ||
|
||
//菜单选择 | ||
@Override | ||
public boolean onMenuItemSelected(int featureId, MenuItem item) { | ||
switch (item.getItemId()) { | ||
case INSERT_ID: | ||
createDiary(); | ||
return true; | ||
case DELETE_ID: | ||
mDbHelper.open(); | ||
mDbHelper.deleteDiary(getListView().getSelectedItemId()); | ||
mDbHelper.closeclose(); | ||
updateListView(); | ||
return true; | ||
} | ||
return super.onMenuItemSelected(featureId, item); | ||
} | ||
|
||
private void createDiary() { | ||
Intent i = new Intent(this, Net1314080903127_DiaryEditActivity.class); | ||
startActivityForResult(i, ACTIVITY_CREATE); | ||
} | ||
|
||
@Override | ||
// 需要对position和id进行一个很好的区分 | ||
// position指的是点击的这个ViewItem在当前ListView中的位置 | ||
// 每一个和ViewItem绑定的数据,肯定都有一个id,通过这个id可以找到那条数据。 | ||
protected void onListItemClick(ListView l, View v, int position, long id) { | ||
super.onListItemClick(l, v, position, id); | ||
Cursor c = mDiaryCursor; | ||
c.moveToPosition(position); | ||
Intent i = new Intent(this, Net1314080903127_DiaryEditActivity.class); | ||
i.putExtra(Net1314080903127_DbAdapter.KEY_ROWID, id); | ||
i.putExtra(Net1314080903127_DbAdapter.KEY_TITLE, c.getString(c | ||
.getColumnIndexOrThrow(Net1314080903127_DbAdapter.KEY_TITLE))); | ||
i.putExtra(Net1314080903127_DbAdapter.KEY_BODY, c.getString(c | ||
.getColumnIndexOrThrow(Net1314080903127_DbAdapter.KEY_BODY))); | ||
startActivityForResult(i, ACTIVITY_EDIT); | ||
} | ||
|
||
@Override | ||
protected void onActivityResult(int requestCode, int resultCode, | ||
Intent intent) { | ||
super.onActivityResult(requestCode, resultCode, intent); | ||
updateListView(); | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,30 @@ | ||
<?xml version="1.0" encoding="utf-8"?> | ||
|
||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
android:orientation="vertical" android:layout_width="fill_parent" | ||
android:layout_height="fill_parent"> | ||
|
||
<LinearLayout android:orientation="vertical" | ||
android:layout_width="fill_parent" | ||
android:layout_height="wrap_content"> | ||
|
||
<TextView android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" android:text="标题" | ||
android:padding="2px" /> | ||
<EditText android:id="@+id/title" | ||
android:layout_width="fill_parent" | ||
android:layout_height="wrap_content" android:layout_weight="1" /> | ||
</LinearLayout> | ||
|
||
<TextView android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" android:text="内容" /> | ||
|
||
<EditText android:id="@+id/body" android:layout_width="fill_parent" | ||
android:layout_height="fill_parent" android:layout_weight="1" | ||
android:scrollbars="vertical" android:gravity="top" /> | ||
|
||
<Button android:id="@+id/confirm" android:text="保存" | ||
android:layout_width="fill_parent" | ||
android:layout_height="wrap_content" /> | ||
|
||
</LinearLayout> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,13 @@ | ||
<?xml version="1.0" encoding="utf-8"?> | ||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
android:layout_width="wrap_content" | ||
android:layout_height="wrap_content"> | ||
|
||
<ListView android:id="@+id/android:list" | ||
android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" /> | ||
<TextView android:id="@+id/android:empty" | ||
android:layout_width="wrap_content" | ||
android:layout_height="wrap_content" | ||
android:text="您还没有开始写日记呢!点击Menu按钮开始写日记吧" /> | ||
</LinearLayout> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,20 @@ | ||
<?xml version="1.0" encoding="utf-8"?> | ||
<RelativeLayout android:id="@+id/row" | ||
xmlns:android="http://schemas.android.com/apk/res/android" | ||
android:layout_width="fill_parent" | ||
android:layout_height="fill_parent"> | ||
|
||
<TextView android:id="@+id/text1" | ||
android:layout_width="wrap_content" android:layout_height="30px" | ||
android:maxWidth="200dip" | ||
android:textSize="22sp" | ||
android:layout_marginTop="10dip" | ||
android:text="第一组第一项" /> | ||
<TextView android:id="@+id/created" android:layout_width="wrap_content" | ||
android:layout_height="35px" android:layout_alignParentRight="true" | ||
android:layout_marginLeft="10dip" | ||
android:layout_marginTop="10dip" | ||
android:text="1999年12月3号" /> | ||
|
||
</RelativeLayout> | ||
|