有人可以帮我修复此代码 - Eclipse Android吗?

时间:2015-12-02 13:50:08

标签: java android eclipse android-layout android-intent

我的应用程序像往常一样打开,但是当我单击TextPlay部分时,会显示以下消息:"不幸的是,(应用程序名称)已停止。" 我不知道该怎么做了,拜托,有人帮帮我!!!

控制台中的错误日志:

  

12-01 18:36:52.065:E / AndroidRuntime(3069):致命异常:主

     

12-01 18:36:52.065:E / AndroidRuntime(3069):java.lang.RuntimeException:无法启动活动ComponentInfo {com.vhcorrea.test1 / com.vhcorrea.test1.TextPlay}:java.lang。 ClassCastException:android.widget.LinearLayout无法强制转换为android.widget.EditText

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread.access $ 600(ActivityThread.java:123)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1147)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.os.Handler.dispatchMessage(Handler.java:99)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.os.Looper.loop(Looper.java:137)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread.main(ActivityThread.java:4424)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at java.lang.reflect.Method.invokeNative(Native Method)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at java.lang.reflect.Method.invoke(Method.java:511)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:784)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at dalvik.system.NativeStart.main(Native Method)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):引起:java.lang.ClassCastException:android.widget.LinearLayout无法强制转换为android.widget.EditText

     

12-01 18:36:52.065:E / AndroidRuntime(3069):at com.vhcorrea.test1.TextPlay.onCreate(TextPlay.java:24)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.Activity.performCreate(Activity.java:4465)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)

     

12-01 18:36:52.065:E / AndroidRuntime(3069):... 11更多

My TextPlay.java:

package com.vhcorrea.test1;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.text.InputType;
import android.view.Gravity;
import android.view.View;
import android.widget.TextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ToggleButton;

public class TextPlay extends Activity{

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.text);

    final Button chkCmd = (Button) findViewById(R.id.bResults);
    final ToggleButton passTog = (ToggleButton) findViewById(R.id.tbPassword);
    final EditText input = (EditText) findViewById(R.id.Commands);
    final TextView  display = (TextView) findViewById(R.id.tvResults);
    passTog.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            if(passTog.isChecked()){
                input.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
            }else{
                input.setInputType(InputType.TYPE_CLASS_TEXT);

            }
        }

    });
    chkCmd.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
        String check = input.getText().toString();
        display.setText(check);
        if (check.contentEquals("left")) {
            display.setGravity(Gravity.LEFT);
        }else if (check.contentEquals("center")) {
            display.setGravity(Gravity.CENTER);
        }else if (check.contentEquals("right")) {
            display.setGravity(Gravity.RIGHT);
        }else if (check.contentEquals("green")) {
            display.setTextColor(Color.GREEN);
        }else if (check.contains("WTF")) {

        }else{
            display.setText("invalid");
            display.setGravity(Gravity.CENTER);
        }


        }
    });
}
}

每个人都说错误可能在清单中找到,但我不这么认为。

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.vhcorrea.test1"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
    android:minSdkVersion="15"
    android:targetSdkVersion="15" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name=".Splash"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name=".MainActivity"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="com.vhcorrea.test1.MainActivity" />

            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </activity>

    <activity
        android:name=".Menu"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="com.vhcorrea.test1.MENU" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </activity>

    <activity
        android:name=".TextPlay"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="com.vhcorrea.test1.TEXTPLAY" />
            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
        </activity>
      </application>

2 个答案:

答案 0 :(得分:2)

  

12-01 18:36:52.065:E / AndroidRuntime(3069):引起:   java.lang.ClassCastException:android.widget.LinearLayout不能   强制转换为android.widget.EditText

final EditText input = (EditText) findViewById(R.id.Commands);

R.id.CommandsLinearLayout而不是EditText。那 是ClassCastException的原因。 请确保使用EditText

的正确ID

答案 1 :(得分:0)

请查看text.xml文件并查看id命令。根据您的错误,您将线性布局转换为编辑文本

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.text);

final Button chkCmd = (Button) findViewById(R.id.bResults);
final ToggleButton passTog = (ToggleButton) findViewById(R.id.tbPassword);
final LinearLayout input = (LinearLAyout) findViewById(R.id.Commands);
final TextView  display = (TextView) findViewById(R.id.tvResults);

因为你没有更新你的xml文件所以我在猜。一旦更新它。所以我会确定错误在哪里