android開發第一天打電話發短信

打電話發短信demo

public class MainActivity extends Activity {
    EditText mPhoneNum,mMessage;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mPhoneNum=(EditText) findViewById(R.id.editText1);
        mMessage=(EditText) findViewById(R.id.editText2);
    }
    public void onClick(View v) {
        int id = v.getId();
        String phoneNo = mPhoneNum.getText().toString();
        //呼叫
        if(id == R.id.button1){
            Intent i = new Intent();
            //設置動作名稱
            i.setAction("android.intent.action.CALL");
            //設置意圖數據
            i.setData(Uri.parse("tel:" + phoneNo));
            //開始活動
            startActivity(i);
        }
        //發短信
        else if(id == R.id.button2){
            String smsContent = mMessage.getText().toString();
            //得到默認的短信管理器
            SmsManager sm = SmsManager.getDefault();
            sm.sendTextMessage(phoneNo, null, smsContent, null, null);
            //提示用戶信息,臨時性通知
            Toast toast = Toast.makeText(MainActivity.this, "發送完成", Toast.LENGTH_LONG);
            toast.setGravity(Gravity.TOP|Gravity.RIGHT, 50, 100);
            toast.show();
        }
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}

布局代碼:

<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"
    tools:context=".MainActivity" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:onClick="onClick"
        android:text="打電話" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_toRightOf="@+id/button1"
        android:onClick="onClick"
        android:text="發短信" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button1"
        android:ems="10"
        android:hint="請輸入電話號碼"
        android:inputType="number" >

        <requestFocus />
    </EditText>

    <EditText
        android:id="@+id/editText2"
        android:layout_width="wrap_content"
        android:layout_height="100dip"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/editText1"
        android:hint="請輸入短信內容"
        android:ems="10" />

</RelativeLayout>

AndroidMainifest中添加權限
　　<uses-permission android:name="android.permission.SEND_SMS" />
     <uses-permission android:name="android.permission.CALL_PHONE"/>

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