这是实现的拨号的小程序 ,不知道为什么一运行就强制关闭,配置文件中我也加了<uses-permission android:name="android.permission.CALL_PHONE"/> 这句啦 ,不知道是什么问题 ,新手请大侠帮忙 ,十份着急
package mySoft.Phone;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 SharpPhoneActivity extends Activity {
private Button button =null;
private EditText edittext = null;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
button = (Button)findViewById(R.string.button);
edittext = (EditText)findViewById(R.string.mobile);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
String phone = edittext.getText().toString();
Intent intent = new Intent(Intent.ACTION_CALL,Uri.parse("tel:"+phone));
startActivity(intent);
}
});
}
}
配置清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="mySoft.Phone"
android:versionCode="1"
android:versionName="1.0" > <uses-sdk android:minSdkVersion="10" /> <application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".SharpPhoneActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity> </application><uses-permission android:name="android.permission.CALL_PHONE"/>
</manifest>
package mySoft.Phone;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 SharpPhoneActivity extends Activity {
private Button button =null;
private EditText edittext = null;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
button = (Button)findViewById(R.string.button);
edittext = (EditText)findViewById(R.string.mobile);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
String phone = edittext.getText().toString();
Intent intent = new Intent(Intent.ACTION_CALL,Uri.parse("tel:"+phone));
startActivity(intent);
}
});
}
}
配置清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="mySoft.Phone"
android:versionCode="1"
android:versionName="1.0" > <uses-sdk android:minSdkVersion="10" /> <application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".SharpPhoneActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity> </application><uses-permission android:name="android.permission.CALL_PHONE"/>
</manifest>
button = (Button)findViewById(R.id.button);
edittext = (EditText)findViewById(R.id.mobile);
edittext = (EditText)findViewById(R.string.mobile);//这应该是R.id.xxx
这两个你获取肯定是空了,怎么会是string.xxx呢。
也就只可能是
button = (Button)findViewById(R.string.button);
edittext = (EditText)findViewById(R.string.mobile);
button.setOnClickListener(new OnClickListener() {
这三行代码了。然后看一下,第三行可能性最大,怀疑button没获取到,再细看一下获取方式,发现就是string。