android撥打到電話

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package com.hanqi.test;

package com.hanqi.test;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.EditText;public class MainActivity extends AppCompatActivity {     EditText editText;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);       editText = (EditText)findViewById(R.id.ph1);    }    public void bt_1(View v){       if( editText.getText().toString()==null){           return;}        else{           Intent intent= new Intent(Intent.ACTION_DIAL);           Uri uri=Uri.parse("tel:"+(editText.getText().toString()));           intent.setData(uri);           startActivity(intent);       }

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android撥打到電話