AndroidRuntime：FATAL EXCEPTION：main java.lang.RuntimeException：无法启动活动

Question

AndroidRuntime﹕ FATAL EXCEPTION: main
        Process: com.example.tarun.calculator, PID: 3248
        java.lang.RuntimeException: Unable to start activity

我刚刚创建了xml文件，而我使用的是默认的MainActivity.java，但在运行时我遇到了这些错误。 我是Android编程新手，任何形式的帮助将不胜感激。 日志

10-07 23:17:28.750    3248-3248/com.example.tarun.calculator E/AndroidRuntime﹕ FATAL EXCEPTION: main
        Process: com.example.tarun.calculator, PID: 3248
        java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.tarun.calculator/com.example.tarun.calculator.MainActivity}: android.view.InflateException: Binary XML file line #7: Binary XML file line #7: Error inflating class android.widget.ImageView
                at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
                at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                at android.app.ActivityThread.-wrap11(ActivityThread.java)
                at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                at android.os.Handler.dispatchMessage(Handler.java:102)
                at android.os.Looper.loop(Looper.java:148)
                at android.app.ActivityThread.main(ActivityThread.java:5417)
                at java.lang.reflect.Method.invoke(Native Method)
                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
         Caused by: android.view.InflateException: Binary XML file line #7: Binary XML file line #7: Error inflating class android.widget.ImageView
                at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
                at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
                at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
                at com.example.tarun.calculator.MainActivity.onCreate(MainActivity.java:13)
                at android.app.Activity.performCreate(Activity.java:6237)
                at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
                at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
                at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                at android.app.ActivityThread.-wrap11(ActivityThread.java)
                at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                at android.os.Handler.dispatchMessage(Handler.java:102)
                at android.os.Looper.loop(Looper.java:148)
                at android.app.ActivityThread.main(ActivityThread.java:5417)
                at java.lang.reflect.Method.invoke(Native Method)
                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
         Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class android.widget.ImageView
                at android.view.LayoutInflater.createView(LayoutInflater.java:645)
                at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
                at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
                at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
                at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
                at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
                at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
                at com.example.tarun.calculator.MainActivity.onCreate(MainActivity.java:13)
                at android.app.Activity.performCreate(Activity.java:6237)
                at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
                at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
                at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                at android.app.ActivityThread.-wrap11(ActivityThread.java)
                at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                at android.os.Handler.dispatchMessage(Handler.java:102)
                at android.os.Looper.loop(Looper.java:148)
                at android.app.ActivityThread.main(ActivityThread.java:5417)
                at java.lang.reflect.Method.invoke(Native Method)
                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
         Caused by: java.lang.reflect.InvocationTargetException
                at java.lang.reflect.Constructor.newInstance(Native Method)
                at android.view.LayoutInflater.createView(LayoutInflater.java:619)
                at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
                at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
                at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
                at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
                at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
                at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
                at com.example.tarun.calculator.MainActivity.onCreate(MainActivity.java:13)
                at android.app.Activity.performCreate(Activity.java:6237)
                at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
                at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
                at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                at android.app.ActivityThread.-wrap11(ActivityThread.java)
                at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                at android.os.Handler.dispatchMessage(Handler.java:102)
                at android.os.Looper.loop(Looper.java:148)
                at android.app.ActivityThread.main(ActivityThread.java:5417)
                at java.lang.reflect.Method.invoke(Native Method)
                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
         Caused by: java.lang.OutOfMemoryError: Failed to allocate a 74649612 byte allocation with 1048576 free bytes and 63MB 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:1080)
                at android.content.res.Resources.loadDrawableForCookie(Resources.java:2635)
                at android.content.res.Resources.loadDrawable(Resources.java:2540)
                at android.content.res.TypedArray.getDrawable(TypedArray.java:870)
                at android.widget.ImageView.<init>(ImageView.java:152)
                at android.widget.ImageView.<init>(ImageView.java:140)
                at android.widget.ImageView.<init>(ImageView.java:136)
                at java.lang.reflect.Constructor.newInstance(Native Method)
                at android.view.LayoutInflater.createView(LayoutInflater.java:619)
                at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
                at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)
                at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
                at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
                at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
                at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
                at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:255)
                at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:109)
                at com.example.tarun.calculator.MainActivity.onCreate(MainActivity.java:13)
                at android.app.Activity.performCreate(Activity.java:6237)
                at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
                at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
                at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                at android.app.ActivityThread.-wrap11(ActivityThread.java)
                at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                at android.os.Handler.dispatchMessage(Handler.java:102)
                at android.os.Looper.loop(Looper.java:148)
                at android.app.ActivityThread.main(ActivityThread.java:5417)
                at java.lang.reflect.Method.invoke(Native Method)
                at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

activity_main.xml中

<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"
    tools:context=".MainActivity">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/transform"

        />


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"

        >

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:background="#59ffffff"
            android:textSize="60dp"
             android:text="@string/hello_world"
            android:textColor="#ffffff"
            android:gravity="center"
            android:layout_weight="1"

        />

        <LinearLayout
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            >

            <Button
                android:layout_weight="1"
                android:text="1"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"
                android:layout_width="wrap_content" />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="2"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="3"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="*"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />


        </LinearLayout>




        <LinearLayout
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            >

            <Button
                android:layout_weight="1"

                android:text="4"
                android:textSize="40sp"
                android:background="#66ffffff"

                android:layout_height="match_parent"

                android:layout_width="wrap_content" />
            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="5"
                android:textSize="40sp"
                android:background="#66ffffff"

                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="6"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="/"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />


        </LinearLayout>





        <LinearLayout
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:layout_height="wrap_content"
            android:layout_weight="1"

            >

            <Button
                android:layout_weight="1"

                android:text="7"

                android:layout_height="match_parent"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_width="wrap_content" />


            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="8"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="9"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="-"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />


        </LinearLayout>






        <LinearLayout
            android:layout_width="match_parent"
            android:orientation="horizontal"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            >

            <Button
                android:layout_weight="1"

                android:text="."
                android:textSize="40sp"
                android:background="#66ffffff"

                android:layout_height="match_parent"

                android:layout_width="wrap_content" />
            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="0"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="+"
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />

            <Button
                android:layout_width="wrap_content"
                android:layout_weight="1"
                android:text="="
                android:textSize="40sp"
                android:background="#66ffffff"
                android:layout_height="match_parent"

                />


        </LinearLayout>










    </LinearLayout>


</RelativeLayout>

MainActivity.java

package com.example.tarun.helloworld;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.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();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

Answer 1

显然问题是您尝试加载的图像的大小，如以下错误日志行所示：

引起：java.lang。 OutOfMemoryError ：无法分配带有1048576个空闲字节的74649612字节分配和63MB直到OOM

Answer 2

你的图像可能

<ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/transform"

        />

对你的设备来说太大了，我的意思是，图像分辨率。尝试使用较小的图像。您的stacktrace表示您的问题在XML第7行。

Answer 3

有时是由于移动设备黑暗而发生的。

改变风格

致 parent="Theme.AppCompat.DayNight" 现在它将支持深色和浅色主题