所以我用viewPager做了一个活动,好吧,一旦viewPager.setAdapter
工作就崩溃了。这是崩溃日志。
java.lang.OutOfMemoryError: Failed to allocate a 26488162 byte allocation with 16777216 free bytes and 24MB until OOM
at java.lang.StringFactory.newStringFromChars(Native Method)
at java.lang.AbstractStringBuilder.toString(AbstractStringBuilder.java:629)
at java.lang.StringBuffer.toString(StringBuffer.java:723)
at java.io.StringWriter.toString(StringWriter.java:100)
at android.util.Log.getStackTraceString(Log.java:345)
at com.android.internal.os.RuntimeInit.Clog_e(RuntimeInit.java:61)
at com.android.internal.os.RuntimeInit.-wrap0(RuntimeInit.java)
at com.android.internal.os.RuntimeInit$UncaughtHandler.uncaughtException(RuntimeInit.java:86)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:693)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:690)
这是活动的课程
public class SetupActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setup);
ViewPager setupPager = (ViewPager) findViewById(R.id.setupViewpager);
SetupPagerAdapter setupPagerAdapter = new SetupPagerAdapter(getSupportFragmentManager());
setupPager.setAdapter(setupPagerAdapter);
}
}
这里是SetupPagerAdapter
public class SetupPagerAdapter extends FragmentPagerAdapter {
public SetupPagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
if(position == 0){
return new SetupFragmentOne().newInstance();
}
return null;
}
@Override
public int getCount() {
return 1;
}
}
以及此处SetupFragmentOne
public class SetupFragmentOne extends Fragment {
public SetupFragmentOne newInstance() {
SetupFragmentOne fragment = new SetupFragmentOne();
return fragment;
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.setup_fragment_1, container);
Typeface typeface = Typeface.createFromAsset(getContext().getAssets(),"coolvetica_rg.ttf");
TextView tv = (TextView) view.findViewById(R.id.setupText1);
tv.setTypeface(typeface);
return view;
}
}
答案 0 :(得分:4)
在清单文件中尝试:
<application
android:allowBackup="true"
android:hardwareAccelerated="false"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:largeHeap="true"
android:supportsRtl="true"
android:theme="@style/AppTheme">
当Java虚拟机(JVM)由于内存空间不足而无法分配对象时,会发生此错误,并且垃圾收集器无法释放一些空间。
尝试更改此行:
View view = inflater.inflate(R.layout.setup_fragment_1, container);
到
View view = inflater.inflate(R.layout.setup_fragment_1, container,false);
解决内存不足错误...更好的方法:
如果您使用大量位图或可绘制图像......您应该将不同分辨率的图像放在不同的文件夹中...... hdpi,xhdpi等... 看到这个:https://developer.android.com/guide/practices/screens_support.html
当活动被破坏时也取消绑定你的drawables所以垃圾收集器可以释放内存
private void unbindDrawables(View view)
{
if (view.getBackground() != null)
{
view.getBackground().setCallback(null);
}
if (view instanceof ViewGroup && !(view instanceof AdapterView))
{
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++)
{
unbindDrawables(((ViewGroup) view).getChildAt(i));
}
((ViewGroup) view).removeAllViews();
}
}