Android 撥號器的簡單實現,android撥號器實現
功能實現:一個EditView 一個撥打按鈕,輸入號碼跳轉到撥號介面
介面布局:activity_call.xml
//線性垂直布局:一個EditView文本、一個Button按鈕
1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" 6 android:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin"10 tools:context=".PhoneActivity" >11 12 <TextView13 android:layout_width="wrap_content"14 android:layout_height="wrap_content"15 android:text="請輸入電話" />16 17 <EditText18 android:id="@+id/editText1"19 android:layout_width="fill_parent"20 android:layout_height="wrap_content"21 android:inputType="phone" />22 23 <Button24 android:id="@+id/callsumbit"25 android:layout_width="wrap_content"26 android:layout_height="wrap_content"27 android:layout_gravity="center"28 android:text="撥打到電話" />29 30 </LinearLayout>
CallActivity的Create方法
1 protected void onCreate(Bundle savedInstanceState) { 2 super.onCreate(savedInstanceState); 3 setContentView(R.layout.activity_call); 4 Button btn = (Button) findViewById(R.id.callsumbit); 5 btn.setOnClickListener(new OnClickListener() { 6 7 @Override 8 public void onClick(View v) { 9 EditText etNumber = (EditText) findViewById(R.id.editText1);10 11 String number = etNumber.getText().toString();12 Intent intent = new Intent();13 intent.setAction(Intent.ACTION_CALL);14 intent.setData(Uri.parse("tel:" + number));15 startActivity(intent);16 }17 });18 }
增加撥打到電話的許可權:AndroidManifest.xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android" 3 package="com.ccec.callphone" 4 android:versionCode="1" 5 android:versionName="1.0" > 6 7 <uses-sdk 8 android:minSdkVersion="8" 9 android:targetSdkVersion="18" />10 <uses-permission android:name="android.permission.CALL_PHONE"/>11 12 <application13 android:allowBackup="true"14 android:icon="@drawable/ic_launcher"15 android:label="@string/app_name"16 android:theme="@style/AppTheme" >17 <activity18 android:name="com.ccec.callphone.CallActivity"19 android:label="@string/app_name" >20 <intent-filter>21 <action android:name="android.intent.action.MAIN" />22 23 <category android:name="android.intent.category.LAUNCHER" />24 </intent-filter>25 </activity>26 </application>27 28 </manifest>
至此可以實現撥號功能。