java - 应用程序停止使用带有倒数计时器的 fragment

Question

我是Android新手。
我在倒数计时器上移动两个片段。
10秒后，下一个片段应该出现，但我的应用程序停止工作。
我尝试了一些解决方案，但找不到适合的解决方案。
请帮我。

Question3.java(第一个片段)

package com.example.sheikhspc.testapp;


import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.app.Fragment;
import android.os.CountDownTimer;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;


public class Question3 extends Fragment  {


public Question3() {
    // Required empty public constructor
}
CountDownTimer timer;
int score;
Fragment frag;
TextView tv, scr;
View view;
ImageView imageView1, imageViewR, imageView2;


@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    view =  inflater.inflate(R.layout.fragment_question3, container, false);

    tv = (TextView)view.findViewById(R.id.timer3);
    imageView1 = (ImageView) view.findViewById(R.id.wrong1);
    imageViewR = (ImageView) view.findViewById(R.id.right);
    imageView2 = (ImageView) view.findViewById(R.id.wrong2);


    timer = new CountDownTimer(10000, 1000) {

        public void onTick(long millisUntilFinished) {
            tv.setText("seconds remaining: " + millisUntilFinished / 1000);
            //here you can have your logic to set text to edittext
        }

        public void onFinish() {
            tv.setText("done!");
            frag = new Question4();
            FragmentManager fm = getFragmentManager();
            FragmentTransaction fragmentTransaction = fm.beginTransaction();

            fragmentTransaction.replace(R.id.container, frag);

            fragmentTransaction.commit();

        }

    };
    timer.start();


    return view;
}

}

Question4.java(第二个片段)

package com.example.sheikhspc.testapp;


import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.app.Fragment;
import android.os.CountDownTimer;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;


public class Question4 extends Fragment implements View.OnClickListener {


public Question4() {
    // Required empty public constructor
}
Fragment frag;
TextView tv;
View view1;
CountDownTimer timer;
ImageView imageView1, imageViewR, imageView2;


@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    view1 = inflater.inflate(R.layout.fragment_question4, container, false);

    tv = (TextView)view1.findViewById(R.id.timer4);
    imageView1 = (ImageView) view1.findViewById(R.id.wrong1);
    imageViewR = (ImageView) view1.findViewById(R.id.right);
    imageView2 = (ImageView) view1.findViewById(R.id.wrong2);
    imageView1.setOnClickListener(this);
    imageViewR.setOnClickListener(this);
    imageView2.setOnClickListener(this);

    timer = new CountDownTimer(10000, 1000) {

        public void onTick(long millisUntilFinished) {
            tv.setText("seconds remaining: " + millisUntilFinished / 1000);
            //here you can have your logic to set text to edittext
        }

        public void onFinish() {
            tv.setText("done!");
            frag = new Question5();
            FragmentManager fm = getFragmentManager();
            FragmentTransaction fragmentTransaction = fm.beginTransaction();

            fragmentTransaction.replace(R.id.container, frag);

            fragmentTransaction.commit();

        }

    };
    timer.start();




    return view1;
}

@Override
public void onClick(View v) {
}
}

错误记录

E/art: Throwing OutOfMemoryError "Failed to allocate a 12695052 byte  allocation with 7472568 free bytes and 7MB until OOM"
D/skia: --- allocation failed for scaled bitmap
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
              Process: com.example.sheikhspc.testapp, PID: 21504
              java.lang.OutOfMemoryError: Failed to allocate a 12695052 byte allocation with 7472568 free bytes and 7MB until OOM
                  at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
                  at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
                  at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:609)
                  at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:444)
                  at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:988)
                  at android.content.res.Resources.loadDrawableForCookie(Resources.java:2477)
                  at android.content.res.Resources.loadDrawable(Resources.java:2384)
                  at android.content.res.TypedArray.getDrawable(TypedArray.java:749)
                  at android.view.View.<init>(View.java:3742)
                  at android.widget.ImageView.<init>(ImageView.java:149)
                  at android.widget.ImageView.<init>(ImageView.java:145)
                  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.AppCompatDelegateImplV9.createView(AppCompatDelegateImplV9.java:1013)
                  at android.support.v7.app.AppCompatDelegateImplV9.onCreateView(AppCompatDelegateImplV9.java:1072)
                  at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44)
                  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:725)
                  at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
                  at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)
                  at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)
                  at android.view.LayoutInflater.rInflate(LayoutInflater.java:809)
                  at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
                  at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
                  at com.example.sheikhspc.testapp.Question4.onCreateView(Question4.java:36)
                  at android.app.Fragment.performCreateView(Fragment.java:2053)
                  at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:894)
                  at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
                  at android.app.BackStackRecord.run(BackStackRecord.java:834)
                  at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1454)
                  at android.app.FragmentManagerImpl$1.run(FragmentManager.java:447)
                  at android.os.Handler.handleCallback(Handler.java:746)
                  at android.os.Handler.dispatchMessage(Handler.java:95)
                  at android.os.Looper.loop(Looper.java:135)
                  at android.app.ActivityThread.main(ActivityThread.java:5356)
                  at java.lang.reflect.Method.invoke(Native Method)
                  at java.lang.reflect.Method.invoke(Method.java:372)
                  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
                  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
I/Process: Sending signal. PID: 21504 SIG: 9
Application terminated.

Answer 1

只需在AndroidManifest.xml中添加以下代码

android:largeHeap="true"

AndroidManifest.xml

<application
android:allowBackup="true"
android:icon="@mipmap/guruji"
android:label="@string/app_name"
android:supportsRtl="true"
android:largeHeap="true"
android:theme="@style/AppTheme">