我在 Ice Cream Sandwich Android 4.0.3 版本上使用 Texview 的 getMaxLines()
方法时遇到崩溃日志,
所以我得到的真正问题是,我的应用程序正在运行没有此 getMaxLines() 方法的较低 sdk。
如何消除这个崩溃。我没有找到任何替代方法
java.lang.NoSuchMethodError: android.widget.TextView.getMaxLines
at com.text.mobile.new.adapters.ServiceListAdapter.onBindViewHolder(ServiceListAdapter.java:232)
at android.support.v7.widget.RecyclerView$Adapter.onBindViewHolder(RecyclerView.java:5277)
at android.support.v7.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:5310)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4568)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4461)
at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:1962)
at android.support.v7.widget.GridLayoutManager.layoutChunk(GridLayoutManager.java:438)
at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1334)
at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:563)
at android.support.v7.widget.GridLayoutManager.onLayoutChildren(GridLayoutManager.java:171)
at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2847)
at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3145)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:925)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.RelativeLayout.onLayout(RelativeLayout.java:925)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1628)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1486)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1399)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.FrameLayout.onLayout(FrameLayout.java:431)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1628)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1486)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1399)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.widget.FrameLayout.onLayout(FrameLayout.java:431)
at android.view.View.layout(View.java:11278)
at android.view.ViewGroup.layout(ViewGroup.java:4224)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1489)
at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2442)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
最佳答案
getMaxLines() TextViewCompat
看起来是合适的解决方案。
您还可以在 SourceCode 中查看的TextViewCompat,并复制你需要的功能。
代码:
int maxLines = TextViewCompat.getMaxLines(yourtextView);
代替:
int maxLines = yourtextView.getMaxLines();
我强烈推荐使用支持库和 TextViewCompat。
但为了完整起见,这里也是 TextViewCompatDonut 的(当前)来源的 getMaxLines
:
static int getMaxLines(TextView textView) {
if (!sMaxModeFieldFetched) {
sMaxModeField = retrieveField("mMaxMode");
sMaxModeFieldFetched = true;
}
if (sMaxModeField != null && retrieveIntFromField(sMaxModeField, textView) == LINES) {
// If the max mode is using lines, we can grab the maximum value
if (!sMaximumFieldFetched) {
sMaximumField = retrieveField("mMaximum");
sMaximumFieldFetched = true;
}
if (sMaximumField != null) {
return retrieveIntFromField(sMaximumField, textView);
}
}
return -1;
}
关于android - Android 4.0.3 (API 15) 及以下版本的 TextView.getMaxLines() 的替代方法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34197500/