打电话小案例

<span style="font-size:18px;">package com.melody.call;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {

	private EditText et;
	private Button btn_call;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		//初始化控件
		init();
		
		//添加按钮点击事件
		btn_call.setOnClickListener(new OnClickListener() {

			public void onClick(View v) {
				//获取拨打的号码
				String number = et.getText().toString();
				
				//创建一个意图
				Intent intent = new Intent();
				intent.setAction(Intent.ACTION_CALL);
				intent.setData(Uri.parse("tel:"+number));
				startActivity(intent);
			}
		});
		
	}
	
	
	
	//初始化控件
	private void init() {
		et = (EditText) findViewById(R.id.editText1);
		btn_call = (Button) findViewById(R.id.call_btn);
	}
	
	
}
</span>

<span style="font-size:18px;">//////////////////////////////////////AndroidManifest.xml添加权限////////////////////////////////</span>

<span style="font-size:18px;"> <uses-permission android:name="android.permission.CALL_PHONE"/>
</span>