Android MyContacts通讯录源码.zip

package com.yarin.android.MyContacts; import android.app.Activity; import android.content.ContentValues; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; public class ContactEditor extends Activity { private static final String TAG = "ContactEditor"; private static final int STATE_EDIT = 0; private static final int STATE_INSERT = 1; private static final int REVERT_ID = Menu.FIRST; private static final int DISCARD_ID = Menu.FIRST + 1; private static final int DELETE_ID = Menu.FIRST + 2; private Cursor mCursor; private int mState; private Uri mUri; private EditText nameText; private EditText mobileText; private EditText homeText; private EditText addressText; private EditText emailText; private EditText blogText; private Button okButton; private Button cancelButton; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Intent intent = getIntent(); final String action = intent.getAction(); Log.e(TAG + ":onCreate", action); //根据action的不同进行不同的操作 //编辑联系人 if (Intent.ACTION_EDIT.equals(action)) { mState = STATE_EDIT; mUri = intent.getData(); } else if (Intent.ACTION_INSERT.equals(action)) { //添加新联系人 mState = STATE_INSERT; mUri = getContentResolver().insert(intent.getData(), null); if (mUri == null) { Log.e(TAG + ":onCreate", "Failed to insert new Contact into " + getIntent().getData()); finish(); return; } setResult(RESULT_OK, (new Intent()).setAction(mUri.toString())); } else { Log.e(TAG + ":onCreate", " unknown action"); finish(); return; } setContentView(R.layout.editorcontacts); nameText = (EditText) findViewById(R.id.EditText01); mobileText = (EditText) findViewById(R.id.EditText02); homeText = (EditText) findViewById(R.id.EditText03); addressText = (EditText) findViewById(R.id.EditText04); emailText = (EditText) findViewById(R.id.EditText05); blogText = (EditText) findViewById(R.id.EditText06); okButton = (Button)findViewById(R.id.Button01); cancelButton = (Button)findViewById(R.id.Button02); okButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { String text = nameText.getText().toString(); if(text.length()==0) { //如果没有输入东西，则不添加记录 setResult(RESULT_CANCELED); deleteContact(); finish(); } else { //添加一条数据 updateContact(); } } }); cancelButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { if(mState == STATE_INSERT) { //不添加记录 setResult(RESULT_CANCELED); deleteContact(); finish(); } else { //恢复到编辑前的状态 backupContact(); } } }); Log.e(TAG+":onCreate", mUri.toString()); // 获得并保存原始联系人信息 mCursor = managedQuery(mUri, ContactColumn.PROJECTION, null, null, null); mCursor.moveToFirst(); Log.e(TAG, "end of onCreate()"); } protected void onResume() { super.onResume(); if (mCursor != null) { Log.e(TAG + ":onResume", "count:" + mCursor.getColumnCount()); // 读取并显示联系人信息 mCursor.moveToFirst(); if (mState == STATE_EDIT) { setTitle(getText(R.string.editor_user)); } else if (mState == STATE_INSERT) { setTitle(getText(R.string.add_user)); } String name = mCursor.getString(ContactColumn.NAME_COLUMN); String moblie = mCursor.getString(ContactColumn.MOBILENUM_COLUMN); String home = mCursor.getString(ContactColumn.HOMENUM_COLUMN); String address = mCursor.getString(ContactColumn.ADDRESS_COLUMN); String email = mCursor.getString(ContactColumn.EMAIL_COLUMN); String blog = mCursor.getString(ContactColumn.BLOG_COLUMN); nameText.setText(name); mobileText.setText(moblie); homeText.setText(home); addressText.setText(address); emailText.setText(email); blogText.setText(blog); } else { setTitle("错误信息"); } } protected void onPause() { super.onPause(); if (mCursor != null) { String text = nameText.getText().toString(); if (text.length() == 0) { Log.e(TAG + ":onPause", "nameText is null "); setResult(RESULT_CANCELED); deleteContact(); // 更新信息 } else { ContentValues values = new ContentValues(); values.put(ContactColumn.NAME, nameText.getText().toString()); values.put(ContactColumn.MOBILENUM, mobileText.getText().toString()); values.put(ContactColumn.HOMENUM, homeText.getText().toString()); values.put(ContactColumn.ADDRESS, addressText.getText().toString()); values.put(ContactColumn.EMAIL, emailText.getText().toString()); values.put(ContactColumn.BLOG, blogText.getText().toString()); Log.e(TAG + ":onPause", mUri.toString()); Log.e(TAG + ":onPause", values.toString()); getContentResolver().update(mUri, values, null, null); } } } public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); if (mState == STATE_EDIT) { menu.add(0, REVERT_ID, 0, R.string.revert) .setShortcut('0', 'r') .setIcon(R.drawable.listuser); menu.add(0, DELETE_ID, 0, R.string.delete_user) .setShortcut('0', 'f') .setIcon(R.drawable.remove); } else { menu.add(0, DISCARD_ID, 0, R.string.revert) .setShortcut('0', 'd') .setIcon(R.drawable.listuser); } return true; } //菜单处理 @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case DELETE_ID: deleteContact(); finish(); break; case DISCARD_ID: cancelContact(); break; case REVERT_ID: backupContact(); break; } return super.onOptionsItemSelected(item); } //删除联系人信息 private void deleteContact() { if (mCursor != null) { mCursor.close(); mCursor = null; getContentResolver().delete(mUri, null, null); nameText.setText(""); } } //丢弃信息 private void cancelContact() { if (mCursor != null) { deleteContact(); } setResult(RESULT_CANCELED); finish(); } //更新 变更的信息 private void updateContact() { if (mCursor != null) { mCursor.close(); mCursor = null; ContentValues values = new ContentValues(); values.put(ContactColumn.NAME, nameText.getText().toString()); values.put(ContactColumn.MOBILENUM, mobileText.getText().toString()); values.put(ContactColumn.HOMENUM, homeText.getText().toString()); values.put(ContactColumn.ADDRESS, addressText.getText().toString()); values.put(ContactColumn.EMAIL, emailText.getText().toString()); values.put(ContactColumn.BLOG, blogText.getText().toString()); Log.e(TAG+":onPause",mUri.toString()); Log.e(TAG+":onPause",values.toString()); getContentResolver().update(mUri, values, null, null);