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继续今天的Android，经过昨天大体了解了Android开发的一些基本文件结构，今天来做一个电话拨号器！
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409131758328?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409131805421?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
![[Android]电话拨号器开发](https://code.csdn.net/assets/CODE_ico.png)
![[Android]电话拨号器开发](https://code.csdn.net/assets/ico_fork.svg)
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
>
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409131927265?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
<EditText
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:numeric="integer"
android:lines = "1"
android:hint="@string/hint"
android:id="@+id/et_number"
/>
android:numeric="integer"
android:lines = "1"
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409132659437?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
Button button = (Button)this.findViewById(R.id.bt_dail);
button.setOnClickListener((OnClickListener) new MyButtonClickListener());
privateclass MyButtonClickListener implements OnClickListener
{
@Override
publicvoid onClick(View v) {
// TODO Auto-generated method stub
System.out.println("按钮被点击了");
Log.i(tag, "button被点击了");
Log.e(tag, "error");
Log.d(tag, "debug");
Log.v(tag,"verbios");
Log.w(tag, "warm");
}
}
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409132824781?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
privateclass MyButtonClickListener implements OnClickListener
{
@Override
publicvoid onClick(View v) {
// TODO Auto-generated method stub
//拿到电话号码
EditText mEditText = (EditText)MainActivity.this.findViewById(R.id.et_number);
String number = mEditText.getText().toString();
Log.i(tag, number);
//拨打电话号码
Intent intent = new Intent();//意图 代表一个要执行动作的意图
//拨打动作 110
intent.setAction(Intent.ACTION_CALL);//Intent.ACTION_DAL是拨号的操作
//输入的话就拨打输入的，不属于的话就拨打作者的号码
if(!"".equals(number))
{
intent.setData(Uri.parse("tel:"+number));
}
else
{
Log.i(tag, "我的号码");
intent.setData(Uri.parse("tel:"+"13262983383"));
}
//激活意图
startActivity(intent);
}
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409132954390?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
04-0911:31:19.945: E/AndroidRuntime(516): <span style="color:#ff0000;">java.lang.SecurityException: Permission Denial</span>: starting Intent { act=android.intent.action.CALL dat=tel:110 cmp=com.android.phone/.OutgoingCallBroadcaster } from Proce***ecord{45ec9830 516:com.example.phonecall/10038} (pid=516, uid=10038) requires android.permission.CALL_PHONE
04-0911:31:19.945: E/AndroidRuntime(516): at android.os.Parcel.readException(Parcel.java:1247)
04-0911:31:19.945: E/AndroidRuntime(516): at android.os.Parcel.readException(Parcel.java:1235)
04-0911:31:19.945: E/AndroidRuntime(516): at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:1298)
04-0911:31:19.945: E/AndroidRuntime(516): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1373)
04-0911:31:19.945: E/AndroidRuntime(516): at android.app.Activity.startActivityForResult(Activity.java:2817)
04-0911:31:19.945: E/AndroidRuntime(516): at android.app.Activity.startActivity(Activity.java:2923)
04-0911:31:19.945: E/AndroidRuntime(516): at com.example.phonecall.MainActivity$MyButtonClickListener.onClick(MainActivity.java:45)
04-0911:31:19.945: E/AndroidRuntime(516): at android.view.View.performClick(View.java:2408)
04-0911:31:19.945: E/AndroidRuntime(516): at android.view.View$PerformClick.run(View.java:8816)
04-0911:31:19.945: E/AndroidRuntime(516): at android.os.Handler.handleCallback(Handler.java:587)
04-0911:31:19.945: E/AndroidRuntime(516): at android.os.Handler.dispatchMessage(Handler.java:92)
04-0911:31:19.945: E/AndroidRuntime(516): at android.os.Looper.loop(Looper.java:123)
04-0911:31:19.945: E/AndroidRuntime(516): at android.app.ActivityThread.main(ActivityThread.java:4627)
04-0911:31:19.945: E/AndroidRuntime(516): at java.lang.reflect.Method.invokeNative(Native Method)
04-0911:31:19.945: E/AndroidRuntime(516): at java.lang.reflect.Method.invoke(Method.java:521)
04-0911:31:19.945: E/AndroidRuntime(516): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
04-0911:31:19.945: E/AndroidRuntime(516): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
04-0911:31:19.945: E/AndroidRuntime(516): at dalvik.system.NativeStart.main(Native Method)
java.lang.SecurityException: Permission Denial
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409133153937?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
![[Android]电话拨号器开发](http://img.blog.csdn.net/20140409133234218?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
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