我試圖通過製作一些基本的應用程序來學習android。我試圖創建調用應用程序,它將調用給定的數字作爲輸入。代碼編譯得很好,但是當我點擊Call時,它會顯示一個錯誤並打開Parcel類。我無法解決這個問題。請提出修復建議。 thnksAndroid中調用意圖錯誤
我MainActvitiy文件 -
package com.example.call;
import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.view.View.OnClickListener;
public class MainActivity extends ActionBarActivity {
Button b;
EditText e1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b=(Button) findViewById(R.id.button1);
e1=(EditText) findViewById(R.id.editText1);
b.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String abc=e1.getText().toString();
Intent i=new Intent(Intent.ACTION_CALL);
i.setData(Uri.parse("tel:"+abc));
startActivity(i);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
我activity_main文件 -
<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.call.MainActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="83dp"
android:text="Call home" />
<EditText
android:id="@+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView1"
android:layout_marginTop="26dp"
android:layout_toRightOf="@+id/textView1"
android:ems="10" >
<requestFocus />
</EditText>
</RelativeLayout>
如果你有任何錯誤,首先你應該看看LogCat – 2014-09-06 10:49:21