Android学习笔记Call Log 访问

学习CallLog的访问整理代码如下：

UltraCallLogActivity.java

 package huh.test.UltraCallLog;

import java.sql.Date;

import java.text.SimpleDateFormat;

import java.util.Random;



import android.app.Activity;

import android.content.ContentResolver;

import android.content.ContentValues;

import android.database.Cursor;

import android.os.Bundle;

import android.provider.CallLog;

import android.view.ContextMenu;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ContextMenu.ContextMenuInfo;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ListView;

import android.widget.SimpleCursorAdapter;

import android.widget.Toast;



public class UltraCallLogActivity extends Activity {

    private ListView mCallLogList;



    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);



        mCallLogList = (ListView) findViewById(R.id.listView);

        mCallLogList.setOnCreateContextMenuListener(this);

        OnItemClickListener listener = new OnItemClickListener() {



            @Override

            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,

                    long arg3) {

                // TODO Auto-generated method stub

                String string = new String("You clicked the listView!");

                string = string + "\nPosittion: " + arg2;

                string = string + "\nId: "  + arg3;

                string = string + "\nObject: "

                        + mCallLogList.getItemAtPosition(arg2).toString();

                DisplayToast(string);

            }

        };

        mCallLogList.setOnItemClickListener(listener);

        InsertCallLog();

        // ClearCallLog();

        // DisplayCallLog();

        DeleteCallLogByNumber(new String[] { "44444" });

        CallLogListSetAdapte();

    }



    public void DisplayCallLog() {

        String[] projection = new String[] { CallLog.Calls.NUMBER,

                CallLog.Calls.CACHED_NAME, CallLog.Calls.TYPE,

                CallLog.Calls.DATE };

        Cursor c = GetCallLog(projection);

        DisplayCursor(c);

        c.close();



    }



    public void CallLogListSetAdapte() {

        String[] column = new String[] { CallLog.Calls.NUMBER

        // ,

        };

        int[] views = new int[] { android.R.id.text1

        // , android.R.id.text1

        };



        Cursor c = GetCallLog(null);

        SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,

                android.R.layout.simple_list_item_1, c, column, views);

        mCallLogList.setAdapter(adapter);

    }



    public Cursor GetCallLog(String[] projection) {

        ContentResolver cr = getContentResolver();

        Cursor cursor = cr.query(CallLog.Calls.CONTENT_URI, projection, null,

                null, CallLog.Calls.DEFAULT_SORT_ORDER);

        return cursor;



    }



    // 删除某联系人最近的一次来电

    public void DeleteCallLogByNumber(String[] number) {

        ContentResolver resolver = getContentResolver();

        // 这里涉及到内容提供者的知识，其实这里是直接在操作 Android 的数据库

        Cursor cursor = resolver.query(CallLog.Calls.CONTENT_URI,

                new String[] { "_id" }, "number=?", number, "_id desc limit 1");

        if (cursor.moveToFirst()) {

            int id = cursor.getInt(0);

            resolver.delete(CallLog.Calls.CONTENT_URI, "_id=?",

                    new String[] { id + "" });

        }

    }



    // Clear CallLog

    public void ClearCallLog() {



        ContentResolver resolver = getContentResolver();

        resolver.delete(CallLog.Calls.CONTENT_URI, null, null);

    }



    public void InsertCallLog() {

        Cursor cursor = GetCallLog(null);

        if (cursor.getCount() > 30) {



            return;

        }

        ContentValues values = new ContentValues();

        for (int i = 0; i < 10; i++) {

            Random random = new Random();

            values.put(CallLog.Calls.NUMBER, "13621354" + random.nextInt(1000));

            // values.put(CallLog.Calls.CACHED_NAME, "Jack" + i);



            values.put(CallLog.Calls.DATE, System.currentTimeMillis());

            values.put(CallLog.Calls.TYPE, CallLog.Calls.MISSED_TYPE);// 未接

            values.put(CallLog.Calls.NEW, "1");// 0已看1未看

            InsertCallLogByContentValues(values);

        }

    }



    public void InsertCallLogByContentValues(ContentValues values) {

        ContentResolver cr = getContentResolver();

        cr.insert(CallLog.CONTENT_URI, values);

    }



    public void DisplayCursor(Cursor cursor) {

        while (cursor.moveToNext()) {

            String str = "Number:\t\t\t" + cursor.getString(0);

            str = str + "\nName:\t\t\t" + cursor.getString(1);

            str = str + "\nType:\t\t\t" + cursor.getInt(2);

            SimpleDateFormat sfd = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");

            Date date = new Date(Long.parseLong(cursor.getString(3)));

            str = str + "\nDate:\t\t\t" + sfd.format(date);

            DisplayToast(str);

        }

    }



    public void DisplayToast(String s) {

        Toast.makeText(this, s, Toast.LENGTH_SHORT).show();

    }



    // /////////////////////////Menu Process////////////////////////////////

    @Override

    public void onCreateContextMenu(ContextMenu menu, View view,

            ContextMenuInfo menuInfo) {

        super.onCreateContextMenu(menu, view, menuInfo);

        CreateMenu(menu);

    }



    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        super.onCreateOptionsMenu(menu);

        CreateMenu(menu);

        return true;

    }



    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        return MenuChoice(item);

    }



    @Override

    public boolean onContextItemSelected(MenuItem item) {

        return MenuChoice(item);

    }



    private void CreateMenu(Menu menu) {

        MenuItem mnu1 = menu.add(0, 0, 0, "Clear All");

        {

            mnu1.setAlphabeticShortcut('a');

            mnu1.setIcon(R.drawable.ic_launcher);

        }

        MenuItem mnu2 = menu.add(0, 1, 1, "Edit");

        {

            mnu2.setAlphabeticShortcut('b');

            mnu2.setIcon(R.drawable.ic_launcher);

        }

        MenuItem mnu3 = menu.add(0, 2, 2, "Delete");

        {

            mnu3.setAlphabeticShortcut('c');

            mnu3.setIcon(R.drawable.ic_launcher);

        }

        MenuItem mnu4 = menu.add(0, 3, 3, "Insert");

        {

            mnu4.setAlphabeticShortcut('d');

            mnu4.setIcon(R.drawable.ic_launcher);

        }

        MenuItem mnu5 = menu.add(0, 4, 4, "About");

        {

            mnu5.setAlphabeticShortcut('e');

            mnu5.setIcon(R.drawable.ic_launcher);

        }

    }



    private boolean MenuChoice(MenuItem item) {

        switch (item.getItemId()) {

        case 0:

            ClearCallLog();

            return true;

        case 1:

            Toast.makeText(this, "You clicked on Item 2", Toast.LENGTH_LONG)

                    .show();

            return true;

        case 2:

            Toast.makeText(this, "You clicked on Item 3", Toast.LENGTH_LONG)

                    .show();

            return true;

        case 3:

            InsertCallLog();

            CallLogListSetAdapte();

            return true;

        case 4:

            Toast.makeText(this, "You clicked on Item 5", Toast.LENGTH_LONG)

                    .show();

            return true;

        case 5:

            Toast.makeText(this, "You clicked on Item 6", Toast.LENGTH_LONG)

                    .show();

            return true;

        case 6:

            Toast.makeText(this, "You clicked on Item 7", Toast.LENGTH_LONG)

                    .show();

            return true;

        }

        return false;

    }

} 

 main.xml

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


    <ListView
        android:id="@+id/listView"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:stackFromBottom="false"
        android:transcriptMode="normal" />

</LinearLayout>