我已经用一些EditTexts做了一个活动，我想在用户点击它时放一个警告对话框。所以我尝试了下面的代码，但它不能正常工作.can anybuddy请帮我解决问题，我的代码如下：
Main.java
package com.theappgeeks.kevingreenwealth;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
public class Calculator2 extends Activity {
Button btn1,btn2;
ImageButton btn3,btn4,btn5;;
SeekBar sk;
EditText et1,et2,et3,et4,et5,et6,et7,et8;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_calculator2);
btn1=(Button)findViewById(R.id.back2);
btn2=(Button)findViewById(R.id.Next2);
btn3=(ImageButton)findViewById(R.id.imageButtonHome2);
btn4=(ImageButton)findViewById(R.id.imageButtonTraining2);
btn5=(ImageButton)findViewById(R.id.imageButtonContactUs2);
sk=(SeekBar)findViewById(R.id.seekBar1);
sk=(SeekBar)findViewById(R.id.seekBar1);
sk.setClickable(false);
sk.setEnabled(false);
sk.setProgress(sk.getMax()/4);
et1=(EditText)findViewById(R.id.editTextPropertyCalc1);
et2=(EditText)findViewById(R.id.editTextPropertyCalc2);
et3=(EditText)findViewById(R.id.editTextPropertyCalc9);
et4=(EditText)findViewById(R.id.editTextPropertyCalc4);
et5=(EditText)findViewById(R.id.editTextPropertyCalc5);
et6=(EditText)findViewById(R.id.editTextPropertyCalc6);
et7=(EditText)findViewById(R.id.editTextPropertyCalc7);
et8=(EditText)findViewById(R.id.editTextPropertyCalc8);
final AlertDialog a1 = new AlertDialog.Builder(this).create();
et1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
a1.setTitle("Auto-generated field");
a1.setMessage("This field is calculated automatically");
a1.setButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// TODO Add your code for the button here.
// Toast.makeText(getApplicationContext(), "Basic Calculator", 1).show();
}
});
a1.show();
}
});
btn1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i1 =new Intent(Calculator2.this,Calculator_1Activity.class);
startActivity(i1);
}
});
btn2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i2 =new Intent(Calculator2.this,Calculator_3Activity.class);
startActivity(i2);
}
});
btn3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i3=new Intent(Calculator2.this,MainMenuActivity.class);
startActivity(i3);
}
});
btn4.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i4=new Intent(Calculator2.this,TrainingActivity.class);
startActivity(i4);
}
});
btn5.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i5=new Intent(Calculator2.this,ContactUsActivity.class);
startActivity(i5);
}
});
}
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
((InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE)).toggleSoftInput(0, 0);
return false;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_calculator2, menu);
return true;
}
}
main.xml中
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<RelativeLayout
android:id="@+id/relativeLayout2"
android:layout_width="fill_parent"
android:layout_height="80dp"
android:padding="3dp" >
<SeekBar
android:id="@+id/seekBar1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true" />
<Button
android:id="@+id/Next2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_alignRight="@+id/seekBar1"
android:text="Next" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/Next2"
android:layout_alignBottom="@+id/Next2"
android:layout_centerHorizontal="true"
android:text="Mortage Cover"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textStyle="bold" />
<Button
android:id="@+id/back2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/seekBar1"
android:layout_alignParentTop="true"
android:text="Back" />
</RelativeLayout>
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:layout_weight="0.23" android:fillViewport="true">
<RelativeLayout
android:id="@+id/relativeLayout2"
android:layout_width="fill_parent"
android:layout_height="509dp"
android:background="#fffff3"
android:padding="10dp" >
<EditText
android:id="@+id/editTextPropertyCalc1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc5"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginTop="15dp"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:imeOptions="actionNext"
android:inputType="numberDecimal" >
</EditText>
<EditText
android:id="@+id/editTextPropertyCalc2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc1"
android:layout_alignParentRight="true"
android:layout_below="@+id/editTextPropertyCalc1"
android:imeOptions="actionDone"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<EditText
android:id="@+id/editTextPropertyCalc3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc1"
android:layout_alignParentRight="true"
android:layout_below="@+id/editTextPropertyCalc2"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextPropertyCalc3"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:layout_below="@+id/editTextPropertyCalc3"
android:textAppearance="?android:attr/textAppearanceMediumInverse"
android:typeface="serif" />
<EditText
android:id="@+id/editTextPropertyCalc4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc3"
android:layout_alignRight="@+id/textView2"
android:layout_below="@+id/textView2"
android:imeOptions="actionNext"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<EditText
android:id="@+id/editTextPropertyCalc5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/textView2"
android:layout_below="@+id/editTextPropertyCalc4"
android:layout_toRightOf="@+id/imageButtonCalcTip1"
android:imeOptions="actionNext"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<EditText
android:id="@+id/editTextPropertyCalc6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc4"
android:layout_alignParentRight="true"
android:layout_below="@+id/editTextPropertyCalc5"
android:imeOptions="actionNext"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<EditText
android:id="@+id/editTextPropertyCalc7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc5"
android:layout_alignParentRight="true"
android:layout_below="@+id/editTextPropertyCalc6"
android:imeOptions="actionDone"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<EditText
android:id="@+id/editTextPropertyCalc8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc6"
android:layout_alignParentRight="true"
android:layout_below="@+id/editTextPropertyCalc7"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="false"
android:inputType="numberDecimal" />
<TextView
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc1"
android:layout_alignBottom="@+id/editTextPropertyCalc1"
android:layout_alignLeft="@+id/textView2"
android:layout_marginTop="15dp"
android:text="Price"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:textSize="20dp"
android:typeface="serif" />
<TextView
android:id="@+id/TextView03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc3"
android:layout_alignBottom="@+id/editTextPropertyCalc3"
android:layout_alignLeft="@+id/textView2"
android:text="Mortage Amount"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<TextView
android:id="@+id/TextView02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc4"
android:layout_alignBottom="@+id/editTextPropertyCalc4"
android:layout_alignParentLeft="true"
android:text="Mortage Interest Rate% "
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<TextView
android:id="@+id/TextView04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc5"
android:layout_alignBottom="@+id/editTextPropertyCalc5"
android:layout_alignParentLeft="true"
android:layout_alignRight="@+id/TextView02"
android:text="Monthly Interest"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<TextView
android:id="@+id/TextView05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc6"
android:layout_alignBottom="@+id/editTextPropertyCalc6"
android:layout_alignParentLeft="true"
android:text="Lender's Rent Cover %"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<TextView
android:id="@+id/TextView06"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc7"
android:layout_alignBottom="@+id/editTextPropertyCalc7"
android:layout_alignParentLeft="true"
android:layout_alignRight="@+id/textView3"
android:layout_marginBottom="20dp"
android:text="Lender's Monthly Rent Required"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<TextView
android:id="@+id/TextView07"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextPropertyCalc8"
android:layout_alignLeft="@+id/TextView06"
android:layout_alignRight="@+id/TextView04"
android:layout_alignTop="@+id/editTextPropertyCalc8"
android:layout_marginTop="15dp"
android:text="Montlhly Rent Received"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
/>
<EditText
android:id="@+id/editTextPropertyCalc9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextPropertyCalc2"
android:layout_below="@+id/editTextPropertyCalc2"
android:ems="10"
android:enabled="false"
android:focusable="false"
android:focusableInTouchMode="true"
android:inputType="numberDecimal" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextPropertyCalc2"
android:layout_alignBottom="@+id/editTextPropertyCalc2"
android:layout_alignLeft="@+id/TextView03"
android:gravity="center"
android:text="Mortage Loan to value %"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:typeface="serif" />
<ImageButton
android:id="@+id/imageButtonCalcTip1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/editTextPropertyCalc4"
android:layout_toRightOf="@+id/TextView06"
android:background="#0000"
android:padding="10dp"
android:scaleType="fitCenter"
android:src="@android:drawable/ic_dialog_info" />
<ImageButton
android:id="@+id/ImageButton02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextPropertyCalc7"
android:layout_toLeftOf="@+id/editTextPropertyCalc6"
android:background="#0000"
android:padding="10dp"
android:scaleType="fitCenter"
android:src="@android:drawable/ic_dialog_info" />
<ImageButton
android:id="@+id/ImageButton01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/ImageButton02"
android:layout_toLeftOf="@+id/editTextPropertyCalc5"
android:background="#0000"
android:padding="10dp"
android:scaleType="fitCenter"
android:src="@android:drawable/ic_dialog_info" />
<ImageButton
android:id="@+id/ImageButton03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/ImageButton02"
android:padding="10dp"
android:background="#0000"
android:scaleType="fitCenter"
android:layout_toLeftOf="@+id/editTextPropertyCalc8"
android:src="@android:drawable/ic_dialog_info"/>
</RelativeLayout>
</ScrollView>
<LinearLayout
android:id="@+id/linearLayout3"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="0.60"
android:background="@drawable/gradient_grey" >
<LinearLayout
android:layout_width="81dp"
android:layout_height="fill_parent"
android:layout_marginRight="5dp"
android:orientation="vertical" >
<ImageButton
android:id="@+id/imageButtonHome2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_marginRight="8dp"
android:src="@drawable/g3570" android:layout_weight="0.6" android:background="#0000" android:scaleType="fitCenter" android:layout_marginTop="5dp"/>
<TextView android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="Home"
android:gravity="center" android:textAppearance="?android:attr/textAppearanceMediumInverse" android:textColor="#fff" android:textStyle="bold"/>
</LinearLayout> <LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" android:orientation="vertical">
<ImageButton
android:id="@+id/imageButtonTraining2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/g4404" android:layout_weight="0.6" android:scaleType="fitCenter" android:background="#0000" android:layout_marginTop="5dp"/>
<TextView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="Training"
android:gravity="center" android:textAppearance="?android:attr/textAppearanceMediumInverse" android:textColor="#fff" android:textStyle="bold"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" android:orientation="vertical">
<ImageButton
android:id="@+id/imageButtonContactUs2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/icon_email" android:layout_weight="0.6" android:scaleType="fitCenter" android:background="#0000" android:layout_marginTop="5dp"/>
<TextView android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1"
android:text="Contact Us"
android:gravity="center" android:textAppearance="?android:attr/textAppearanceMediumInverse" android:textColor="#fff" android:textStyle="bold"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
logcat的
01-29 10:57:01.381: D/AndroidRuntime(297): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<
01-29 10:57:01.381: D/AndroidRuntime(297): CheckJNI is ON
01-29 10:57:01.521: D/AndroidRuntime(297): --- registering native functions ---
01-29 10:57:02.072: I/ActivityManager(59): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.theappgeeks.kevingreenwealth/.KevinGreenWealthActivity }
01-29 10:57:02.082: D/AndroidRuntime(297): Shutting down VM
01-29 10:57:02.082: D/dalvikvm(297): Debugger has detached; object registry had 1 entries
01-29 10:57:02.102: I/AndroidRuntime(297): NOTE: attach of thread 'Binder Thread #3' failed
答案 0 :(得分：1)
在@+id/editTextPropertyCalc1更改的XML定义中：
android:enabled="false"
到
android:enabled="true"