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我试图让我的应用程序在单击图像按钮时显示不同的 View 。这是一个相当简单的应用程序，但我无法测试它是否有效，因为我不断收到内存不足错误。这是java类
编辑:
我将按钮图像的大小减小了 50%，但仍然出现内存不足错误。此外，我将 android:largeHeap="true"添加到 android list 中。以下是原始文件，但有更新
Dashboard.java
package com.pixel.deloitte.xprizeapplication;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.Window;
import android.widget.TabHost;
import android.widget.TextView;
import java.io.IOException;
public class Dashboard extends AppCompatActivity {
//private TabHost tabHost;
//private int[] tabs = {R.drawable.dashboardnotclicked,R.drawable.teamreviewnotclicked,R.drawable.teambiosnotclicked,R.drawable.mentornotclicked,R.drawable.schedulenotclicked};
public static class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
@Override
public void uncaughtException(Thread thread, Throwable ex) {
if (ex.getClass().equals(OutOfMemoryError.class)) {
try {
android.os.Debug.dumpHprofData("/sdcard/dump.hprof");
} catch (IOException e) {
e.printStackTrace();
}
ex.printStackTrace();
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Thread.currentThread().setDefaultUncaughtExceptionHandler(new MyUncaughtExceptionHandler());
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_dashboard);
findViewById(R.id.login).setVisibility(View.VISIBLE);
}
public void buttonClick(View v){
switch(v.getId()){
case R.id.loginButton:
break;
case R.id.dashboardbtn:
break;
case R.id.teamreviewbtn:
break;
case R.id.teambios:
break;
case R.id.mentorsbtn:
break;
case R.id.schedulebtn:
break;
}
}
}
这是我得到的错误，错误是在 setContentView(R.layout.activity_dashboard) 处抛出的
java.lang.OutOfMemoryError
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.pixel.deloitte.xprizeapplication, PID: 2573
java.lang.OutOfMemoryError
at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:587)
at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:422)
at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:840)
at android.content.res.Resources.loadDrawable(Resources.java:2115)
at android.content.res.TypedArray.getDrawable(TypedArray.java:602)
at android.widget.ImageView.<init>(ImageView.java:129)
at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:57)
at android.support.v7.widget.AppCompatImageView.<init>(AppCompatImageView.java:53)
at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:106)
at android.support.v7.app.AppCompatDelegateImplV7.createView(AppCompatDelegateImplV7.java:1008)
at android.support.v7.app.AppCompatDelegateImplV7.onCreateView(AppCompatDelegateImplV7.java:1067)
at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:756)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:759)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.pixel.deloitte.xprizeapplication.Dashboard.onCreate(Dashboard.java:36)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
这是 activity_dashboard.xml
<?xml version="1.0" encoding="utf-8"?>
<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="900dp"
tools:context=".Dashboard"
android:background="@color/AppBackground">
<ScrollView
android:layout_width="match_parent"
android:layout_height="850dp"
android:id="@+id/scrollView" >
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/login">
<ImageView
android:layout_width="761dp"
android:layout_height="876dp"
android:id="@+id/visioneervideo"
android:src="@drawable/video" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/signin">
<LinearLayout
android:orientation="vertical"
android:layout_width="295dp"
android:layout_height="200dp"
android:layout_marginBottom="203dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true">
<EditText
android:layout_width="295dp"
android:layout_height="49dp"
android:ems="10"
android:id="@+id/editText"
android:background="@drawable/username"
android:editable="true"
android:textColor="#FFFFFFFF"
android:textAlignment="center"
android:text="Username"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<EditText
android:layout_width="295dp"
android:layout_height="49dp"
android:ems="10"
android:id="@+id/editText2"
android:background="@drawable/username"
android:editable="true"
android:textColor="#FFFFFFFF"
android:textAlignment="center"
android:text="Password"
android:layout_below="@+id/editText"
android:layout_alignLeft="@+id/editText"
android:layout_alignStart="@+id/editText" />
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/loginButton"
android:src="@drawable/login"
android:onClick="buttonClick" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
</ScrollView>
<ScrollView
android:layout_width="match_parent"
android:layout_height="850dp"
android:id="@+id/scrollView2"
android:background="@color/AppBackground">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/appactivities">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="64dp"
android:id="@+id/optionsmenu"
android:background="@color/DashboardBackgroundnew">
<ImageView
android:layout_width="241dp"
android:layout_height="wrap_content"
android:id="@+id/xprizelogo"
android:background="@drawable/xprizelogo" />
<ImageView
android:layout_width="141dp"
android:layout_height="wrap_content"
android:id="@+id/dashboardbtn"
android:background="@drawable/ic_dashboard" />
<ImageView
android:layout_width="148dp"
android:layout_height="wrap_content"
android:id="@+id/teamreviewbtn"
android:background="@drawable/ic_teamreview" />
<ImageView
android:layout_width="126dp"
android:layout_height="wrap_content"
android:id="@+id/teambiosbtn"
android:background="@drawable/ic_teambios" />
<ImageView
android:layout_width="119.5dp"
android:layout_height="wrap_content"
android:id="@+id/mentorsbtn"
android:background="@drawable/ic_mentor" />
<ImageView
android:layout_width="127.5dp"
android:layout_height="wrap_content"
android:id="@+id/schedulebtn"
android:background="@drawable/ic_schedule" />
<ImageView
android:layout_width="64dp"
android:layout_height="64dp"
android:id="@+id/twitterbtn"
android:background="@drawable/ic_twitter" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/profilebtn" />
</LinearLayout>
<ViewStub android:id="@+id/stub"
android:inflatedId="@+id/subTree"
android:layout_width="120dip"
android:layout_height="40dip" />
</LinearLayout>
</ScrollView>
</RelativeLayout>
这是 list
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.pixel.deloitte.xprizeapplication">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="XPrize"
android:supportsRtl="true"
android:largeHeap="true"
android:theme="@style/AppTheme">
<activity android:name=".Dashboard">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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