密码守护神 Android源码

package iSar2007.Study.InfoBox; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnCreateContextMenuListener; import android.view.View.OnTouchListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ImageView; import android.widget.ListView; import android.widget.SimpleCursorAdapter; import android.widget.TextView; public class ListActivity extends MainActivity { private static final int INSERTPWD_ID = Menu.FIRST; private static final int DELETEPWD_ID = Menu.FIRST + 1; private static final int UPDATEPWD_ID = Menu.FIRST + 2; private static final int TYPESETUP_ID = Menu.FIRST + 3; private ListView mInfoList; private TextView tvType; private ImageView imgLeft, imgRight; private Cursor mInfoCursor, mTypeCursor; private boolean isEmptyDB; @Override public void onRestart() { super.onRestart(); renderView(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.infolist); mInfoList = (ListView) findViewById(R.id.InfoBody); tvType = (TextView) findViewById(R.id.Title_tvType); imgLeft = (ImageView) findViewById(R.id.Title_imgLeft); imgRight = (ImageView) findViewById(R.id.Title_imgRight); renderView(); mInfoList.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { byte[] PIN = ThreeDES.decryptMode(mInfoCursor.getBlob(3)); Toast("Password/PIN:" + new String(PIN)); } }); mInfoList.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { // TODO Auto-generated method stub mInfoCursor.moveToPosition(position); } public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }); mInfoList.setOnTouchListener(new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (mDetector.onTouchEvent(event)) { MotionEvent cancelEvent = MotionEvent.obtain(event); cancelEvent.setAction(MotionEvent.ACTION_CANCEL); v.onTouchEvent(cancelEvent); return true; } return false; } }); mInfoList .setOnCreateContextMenuListener(new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { menu.add(0, UPDATEPWD_ID, Menu.NONE, "更新"); menu.add(0, DELETEPWD_ID, Menu.NONE, "删除"); } }); imgLeft.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub showPrevious(); } }); imgRight.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub showNext(); } }); } private void renderView() { // TODO Auto-generated method stub mTypeCursor = mDb.getAllTypes(); if (mTypeCursor.moveToFirst()) { isEmptyDB = false; tvType.setText(mTypeCursor.getString(1)); renderInfoListView(); } else { isEmptyDB = true; tvType.setText(R.string.Type_tvCreateType); } } private void renderInfoListView() { // TODO Auto-generated method stub mInfoCursor = mDb.getAllInfos(mTypeCursor.getInt(0)); startManagingCursor(mInfoCursor); String[] from = new String[] { DBAdapter.KEY_DES, DBAdapter.KEY_UID }; int[] to = new int[] { R.id.InfoItem_tvDescription, R.id.InfoItem_tvUID }; SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.infoitem, mInfoCursor, from, to); mInfoList.setAdapter(adapter); } @Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()) { case DELETEPWD_ID: mDb.deleteInfo(mInfoCursor.getLong(0)); renderInfoListView(); break; case UPDATEPWD_ID: Intent iInput = new Intent(this, InputActivity.class); iInput.putExtra(DBAdapter.KEY_ROWID, mInfoCursor.getLong(0)); iInput.putExtra(DBAdapter.KEY_TYPEID, mTypeCursor.getLong(0)); iInput.putExtra(DBAdapter.KEY_DES, mInfoCursor.getString(1)); iInput.putExtra(DBAdapter.KEY_UID, mInfoCursor.getString(2)); byte[] PIN = ThreeDES.decryptMode(mInfoCursor.getBlob(3)); iInput.putExtra(DBAdapter.KEY_UPIN, new String(PIN)); iInput.putExtra(DBAdapter.KEY_REM, mInfoCursor.getString(4)); startActivity(iInput); break; } return super.onContextItemSelected(item); } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, TYPESETUP_ID, Menu.NONE, "设置"); if (mTypeCursor.getCount() > 0) { menu.add(0, INSERTPWD_ID, Menu.NONE, "添加"); } return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { Intent intent; switch (item.getItemId()) { case TYPESETUP_ID: intent = new Intent(this, TypeActivity.class); startActivity(intent); break; case INSERTPWD_ID: intent = new Intent(this, InputActivity.class); intent.putExtra(DBAdapter.KEY_ROWID, (long) -1); intent.putExtra(DBAdapter.KEY_TYPEID, mTypeCursor.getLong(0)); startActivity(intent); break; } return super.onOptionsItemSelected(item); } @Override protected boolean showPrevious() { // TODO Auto-generated method stub if (isEmptyDB) { Toast(R.string.app_EmptyTypeTable); return false; } else { if (!mTypeCursor.isFirst()) { mTypeCursor.moveToPrevious(); tvType.setText(mTypeCursor.getString(1)); renderInfoListView(); } else Toast(R.string.app_IsFirstRecord); return true; } } @Override protected boolean showNext() { // TODO Auto-generated method stub if (isEmptyDB) { Toast(R.string.app_EmptyTypeTable); return false; } else { if (!mTypeCursor.isLast()) { mTypeCursor.moveToNext(); tvType.setText(mTypeCursor.getString(1)); renderInfoListView(); } else Toast(R.string.app_IsLastRecord); return true; } } }