我尝试将项目插入其中recyclerView，但是当我用于notifyItemInserted对其进行动画处理时，我面临强制关闭，并且消息是 Recyclerview 中没有静态方法 clearInterpolator。我不知道那是什么意思。提前感谢您的帮助
这是mainActivty,adapter和logcat
public class MainActivity extends AppCompatActivity {
DrawerLayout mDrawerLayout;
TextView txtMemoryInfo;
TextView txtMemoryPercent;
TextView txtMemoryUnit;
LinearLayout layFreeableMemoryInfo;
RecyclerView recyclerAppList;
LinearLayoutManager layoutManager;
RunningAppAdapter runningAppAdapter;
AppBarLayout appBar;
int MemFreeable;
int oldProgValue;
public List<AppInfo> result;
public WaveView wave;
int countItems = 0;
AppCompatButton btnCompatRemove;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
overrideFonts();
setContentView(R.layout.activity_main);
initToolBar();
setupViewAndListeners();
setProgressBarInfo();
ItemAnimator itemAnimator = new DefaultItemAnimator();
itemAnimator.setAddDuration(1000);
itemAnimator.setRemoveDuration(1000);
recyclerAppList.setItemAnimator(itemAnimator);
runningAppAdapter = new RunningAppAdapter(MainActivity.this);
recyclerAppList.setAdapter(runningAppAdapter);
new LoadAppsRecyclerView().execute();
}
private class LoadAppsRecyclerView extends AsyncTask<Void, String, Integer> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Integer doInBackground(Void... params) {
int isCorrect= 0;
GetRunningAppProcess getProcess = new GetRunningAppProcess(MainActivity.this);
String launcherName = getProcess.getLauncherName();
for(int count = 0; count < getProcess.runningAppProcess.size(); count++) {
final AppInfo appInfo = new AppInfo();
RunningAppProcessInfo processInfo = getProcess.runningAppProcess.get(count);
if (processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND && processInfo.importanceReasonCode == ActivityManager.RunningAppProcessInfo.REASON_UNKNOWN) {
continue;
}
try {
String appPackage = processInfo.processName;
ApplicationInfo applicationInfo = getProcess.packageManager.getApplicationInfo(appPackage.split(":")[0], 0);
float totalMemPss = getProcess.getMemTotalPss(processInfo);
String appName = applicationInfo.loadLabel(getPackageManager()).toString();
if(applicationInfo.packageName.equals(launcherName)){
continue;
}
appInfo.appName = appName;
appInfo.appPackage = appPackage;
appInfo.appMemUsed = String.valueOf(totalMemPss) + " MB";
result.add(appInfo);
MemFreeable += totalMemPss;
runOnUiThread(new Runnable() {
public void run() {
/**********
Item inserted here */
runningAppAdapter.insertItem( appInfo);
/************/
}
});
countItems++;
Log.i("count", ""+countItems);
publishProgress(String.valueOf(MemFreeable));
}
catch (NameNotFoundException e) {
}
}
//runningAppAdapter = new RunningAppAdapter(result,MainActivity.this);
return isCorrect;
}
@Override
protected void onPostExecute(Integer args) {
ObjectAnimator.ofFloat(layFreeableMemoryInfo, "rotationY", 0,180, 0).setDuration(2000).start();
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
int memPercentFreealble = ((MemFreeable) * 100)/1895;
txtMemoryUnit.setText("%");
txtMemoryPercent.setText(String.valueOf(memPercentFreealble));
}
}, 2100);
}
@Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
int memPercentFreealble = (((Integer.parseInt(values[0])) * 200))/1895;
for(int i = oldProgValue; i < memPercentFreealble; i++){
wave.setProgress(i);
txtMemoryPercent.setText(values[0]);
oldProgValue = i;
appBar.setBackgroundColor(SelectColor.selectIntColor(memPercentFreealble));
}
}
}
适配器：
public class RunningAppAdapter extends RecyclerView.Adapter<RunningAppAdapter.ContactViewHolder> {
private List<AppInfo> appList;
public static Context contextMain;
public static Picasso mPicasso;
private boolean[] itemChecks;
public RunningAppAdapter(List<AppInfo> appList,Context context) {
this.appList = appList;
RunningAppAdapter.contextMain = context;
Picasso.Builder builder = new Picasso.Builder(contextMain);
builder.addRequestHandler(new AppIconRequestHandler(contextMain));
itemChecks = new boolean [1000];
Arrays.fill(itemChecks, true);
mPicasso = builder.build();
}
public RunningAppAdapter(Context context) {
this.appList = new ArrayList<AppInfo>();
RunningAppAdapter.contextMain = context;
Picasso.Builder builder = new Picasso.Builder(contextMain);
builder.addRequestHandler(new AppIconRequestHandler(contextMain));
itemChecks = new boolean [1000];
Arrays.fill(itemChecks, true);
mPicasso = builder.build();
}
@Override
public int getItemCount() {
return appList.size();
}
public void removeFirstItems(int count) {
for (int i=0; i<count; i++)
appList.remove(0);
notifyDataSetChanged();
}
public void insertItem(AppInfo object) {
appList.add(object);
notifyItemInserted(getItemCount() - 1);
}
@Override
public void onBindViewHolder(ContactViewHolder appViewHolder, final int position) {
AppInfo appInfo = appList.get(position);
appViewHolder.appName.setText(appInfo.appName);
appViewHolder.appPackage.setText(appInfo.appPackage);
appViewHolder.appMemUsed.setText(appInfo.appMemUsed);
appViewHolder.appMemUsed.setOnCheckedChangeListener(null);
appViewHolder.appMemUsed.setChecked(itemChecks[position]);
appViewHolder.appMemUsed.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
itemChecks[position] = isChecked;
}
});
mPicasso.load(AppIconRequestHandler.SCHEME_APP_ICON + ":" + appInfo.appPackage.split(":")[0]).placeholder(R.drawable.ic_launcher).into(appViewHolder.appDrawable);
}
@Override
public ContactViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.custom_item_app, viewGroup, false);
ContactViewHolder app = new ContactViewHolder(itemView);
return app;
}
public static class ContactViewHolder extends RecyclerView.ViewHolder {
protected TextView appName;
protected TextView appPackage;
protected ImageView appDrawable;
protected AppCompatCheckBox appMemUsed;
protected CardView item_card;
public ContactViewHolder(View v) {
super(v);
contextMain = v.getContext();
appName = (TextView) v.findViewById(R.id.txtAppName);
appPackage = (TextView) v.findViewById(R.id.txtAppPackage);
appDrawable = (ImageView) v.findViewById(R.id.imgAppIcon);
appMemUsed = (AppCompatCheckBox) v.findViewById(R.id.chboxFree);
item_card = (CardView) v.findViewById(R.id.card_view);
v.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
Log.i("Click", "Element"+getLayoutPosition() +"click." +appName.getText().toString());
boolean checkBoxState = !appMemUsed.isChecked();
appMemUsed.setChecked(checkBoxState);
}
});
}
}
}
日志猫：
02-08 12:29:40.451: E/AndroidRuntime(2138): FATAL EXCEPTION: main
02-08 12:29:40.451: E/AndroidRuntime(2138): Process: ir.androidnevisha.ramprogress, PID: 2138
02-08 12:29:40.451: E/AndroidRuntime(2138): java.lang.NoSuchMethodError: No static method clearInterpolator(Landroid/view/View;)V in class Landroid/support/v4/animation/AnimatorCompatHelper; or its super classes (declaration of 'android.support.v4.animation.AnimatorCompatHelper' appears in /data/app/ir.androidnevisha.ramprogress-1/base.apk)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.DefaultItemAnimator.resetAnimation(DefaultItemAnimator.java:513)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.DefaultItemAnimator.animateAdd(DefaultItemAnimator.java:216)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.SimpleItemAnimator.animateAppearance(SimpleItemAnimator.java:105)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView.animateAppearance(RecyclerView.java:3037)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView.access$800(RecyclerView.java:144)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView$4.processAppeared(RecyclerView.java:421)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:213)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2931)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView.consumePendingUpdateOperations(RecyclerView.java:1445)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView.access$400(RecyclerView.java:144)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.support.v7.widget.RecyclerView$1.run(RecyclerView.java:282)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.view.Choreographer.doCallbacks(Choreographer.java:580)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.view.Choreographer.doFrame(Choreographer.java:549)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.os.Handler.handleCallback(Handler.java:739)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.os.Handler.dispatchMessage(Handler.java:95)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.os.Looper.loop(Looper.java:135)
02-08 12:29:40.451: E/AndroidRuntime(2138): at android.app.ActivityThread.main(ActivityThread.java:5254)
02-08 12:29:40.451: E/AndroidRuntime(2138): at java.lang.reflect.Method.invoke(Native Method)
02-08 12:29:40.451: E/AndroidRuntime(2138): at java.lang.reflect.Method.invoke(Method.java:372)
02-08 12:29:40.451: E/AndroidRuntime(2138): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
02-08 12:29:40.451: E/AndroidRuntime(2138): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)