布局文件:
<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" > <TextView<pre class="html" name="code">
android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/phoneinput" /> <EditText android:id="@+id/number" android:layout_width="fill_parent" android:layout_height="wrap_content" tools:ignore="TextFields" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/phonecall" android:id="@+id/button"/></LinearLayout>
权限:
<uses-permission android:name="android.permission.CALL_PHONE"/>
Java代码:
package com.example.call; import android.net.Uri; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends Activity { public EditText eText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); eText=(EditText)this.findViewById(R.id.number); Button btn=(Button)this.findViewById(R.id.button); btn.setOnClickListener(new ButtonListener()); } private final class ButtonListener implements View.OnClickListener{ public void onClick(View v){ String mobile=eText.getText().toString(); Intent intent=new Intent("android.intent.action.CALL",Uri.parse("tel:"+mobile)); startActivity(intent); } } }